Jan 28, 2024 · Flights from Spirit Airlines typically cost $377.91 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Boston to Seattle on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. Flights to Seattle, Seattle. Find flights to Seattle from $135. Fly from Boston on Spirit Airlines, United Airlines, American Airlines and more. Search for Seattle flights on …ARUBA Get Here This melting-pot island — billed as the happiest in the Caribbean — is also the most visited, with nearly 90 percent of travelers hailing from North America. Fly nonstop from 15 U.S. hubs, as well as Toronto and Montreal. Only Here It looks like a desert — dry, a tad barren, riddled with cacti.Each day, there are between 44 and 67 nonstop flights that take off from Boston and land in Washington, D.C., with an average flight time of 1h 42m. The most common departure time is 5:00 pm and most flights take off in the morning, while the most flights land at Washington, D.C. Reagan-National Airport. Each week, there are 433 flights.There are 4 airlines that fly nonstop from Seattle to New York. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $103 for a one-way flight. On average, the best prices for this route can be found at JetBlue.Question: Question 5 American Airlines flights from Boston to Seattle are on time 90 % of the time. Suppose 7 flights are randomly selected, and the number on-time flights is recorded. Round answers to 3 significant figures. The probability that exactly 6 flights are on time is The probability that at most 4 flights are on time is - The ...One-way low-fare flights Seattle to Boston.* From. flight_takeoff. To. flight_land. Budget $ Cabin Class. Select travel class. keyboard_arrow_down. From. To. Fare Type. Dates. Price. From Seattle (SEA) To Boston (BOS) One-way | Saver: Depart: Apr 30, 2024: From. $129* Seen: 23 hours agoUse Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Boston. Find the best flights fast, track prices, and book with confidence. Flights from Seattle to Boston via Chicago Midway Ave. Duration 7h 30m When Saturday Estimated price $220 - $700 Flights from Seattle to Providence via Chicago Midway Ave. Duration 7h 15m When Monday to Friday Estimated price $230 - $750 Flights from Seattle to Providence via Baltimore Ave. Duration 12h 10m When There are 3 airlines that fly nonstop from Seattle to New York John F Kennedy Intl Airport. They are: Alaska Airlines, Delta and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $124 for a one-way flight. On average, the best prices for this route can be found at JetBlue.The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £103 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Boston to Seattle with no change fee on selected ... View Delta's best fares on flights from Seattle for your next getaway. Cradled by mountains and cool waters, stunning nature meets creative cityscapes in the sprawling and colorful Seattle, Washington. This gives visitors flying into Seattle-Tacoma International Airport (SEA) the best of outdoor adventure with the abounding options of a city ... Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 2 stops $211. Spokane 1 stop $358. Pasco 1 stop $437. Bellingham 1 stop $506. Pullman 2 stops $757. Wenatchee 2 stops $875. Portland 1 stop $221. ASA460. B739. Arrived / Delayed. Thu 03:43PM PST. 11:57PM EST Thu. Seattle-Tacoma Intl (KSEA) - Boston Logan Intl (KBOS) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination. Cheap flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at CA $160 for one-way flights and CA $333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Seattle with no change fee on selected ...Mon, May 13 BOS – SEA with Spirit Airlines. 1 stop. from $247. Boston.$253 per passenger.Departing Tue, Apr 30, returning Tue, May 14.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Seattle / Tacoma International on Tue, Apr 30, arriving in Boston Logan International.Inbound indirect ...Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Shanghai 1 stop $1,165. Beijing 1 stop $1,228. Guangzhou 2 stops $1,226. Fuzhou 2 stops $1,467. Shenyang 1 stop $1,398. Chengdu 3 stops $1,321. Xiamen 3 …There are 4 airlines that fly direct from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found …Seattle/Tacoma, WA to Boston Logan, MA. departing on 11/5. one-way starting at*. $203. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 18 travel days available.The cheapest flight to Boston in the next 60 days costs $105.95 and departs on 7th May. 5h 30m. Shortest flight time. $105.95. Cheapest flight in next 60 days. 4000 km. Distance.Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $112 one-way. Flex your dates to find the best BOS–SEA ticket prices. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Boston. Find the best flights fast, track prices, and book with confidence. Find flights to Seattle from $120. Fly from Boston on Sun Country Air, American Airlines, Spirit Airlines and more. Search for Seattle flights on KAYAK now to find the best deal.Return flights from Seattle SEA to Boston BOS with United If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $620 to $620, it’s easy to find a flight that suits your budget. Flights from Seattle to Boston via Chicago Midway Ave. Duration 7h 30m When Saturday Estimated price $220 - $700 Flights from Seattle to Providence via Chicago Midway Ave. Duration 7h 15m When Monday to Friday Estimated price $230 - $750 Flights from Seattle to Providence via Baltimore Ave. Duration 12h 10m When Shop these exclusive vacation deals from Seattle. The Fly Delta app makes travel easier than ever before. Book a flight, speed through security, track your bag, have your gate information all in one place and more - only with the Fly Delta app. A portion of travel for some itineraries may be on the Delta Connection® carriers: Endeavor Air, Inc ...6 days ago · Flights on this route from Alaska Airlines typically cost $402.40 RT, a price that is 67% cheaper than the average Seattle to Boston flight. The cheapest flight found was $134 RT. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Boston. Mon, May 13 BOS – SEA with Spirit Airlines. 1 stop. from $247. Boston.$253 per passenger.Departing Tue, Apr 30, returning Tue, May 14.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Seattle / Tacoma International on Tue, Apr 30, arriving in Boston Logan International.Inbound indirect ...From Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Boston, MA Airport (BOS-Logan Intl.), you’ll be flying a distance of 2500 miles (4000 km). Pick who you travel with wisely. Entertainment, food and comfort are some of the things any …Flights from Seattle to Boston. Flights to Boston. Massachusetts. United States of America. Flights. Expedia.com. $101 Cheap Flights from Seattle (SEA) to Boston …The cheapest flight to Boston in the next 60 days costs $105.95 and departs on 7th May. 5h 30m. Shortest flight time. $105.95. Cheapest flight in next 60 days. 4000 km. Distance.The cheapest month for flights from Seattle to Boston is February, where tickets cost £175 on average. On the other hand, the most expensive months are June and July, where …Search and compare first class flight deals to Boston. Fly from Washington, D.C. from $319, from Washington, D.C. from $338, from Chicago from $387. Book your first class tickets to Boston.There are 4 airlines that fly nonstop from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $133 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines.Amazing JetBlue Airways SEA to BOS Flight Deals. The cheapest flights to Logan Intl. found within the past 7 days were $214 round trip and $129 one way. Prices and availability subject to change. Additional terms may apply. Tue, Apr 9 - Wed, Apr 24. SEA. Searching for cheap flights from Seattle to Boston? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Ultra Low Fare Flights from Boston (BOS) to Seattle (SEA) 1 passenger. From. 04/18/2024.On average, a flight to Boston costs $298. The cheapest price found on KAYAK in the last 2 weeks cost $29 and departed from Myrtle Beach. The most popular routes on KAYAK are Washington, D.C. to Boston which costs $306 on average, and San Francisco to Boston, which costs $428 on average. See prices from:Find flights to Seattle from $89. Fly from Boston on Sun Country Air, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal. Atlanta, GA - Hartsfield-Jackson Atlanta Intl Airport is the most popular connection for one stop flights between Boston, MA and Seattle; In-Flight information. The average flying time for a direct flight from Boston, MA to Seattle is 6 hours 24 minutes; Most direct flights leave around 7:00 EDT; Korean Air flight #25 is today's earliest flight ... First Class. $367. Boston. Search and compare first class flight deals to Boston. Fly from Washington, D.C. from $319, from Washington, D.C. from $338, from Chicago from $387. Book your first class tickets to Boston. Find flights to Seattle from $117. Fly from Boston on American Airlines, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal.Jan 28, 2024 · Flights from Spirit Airlines typically cost $377.91 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Boston to Seattle on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. Cheap Flights from Boston Logan International (BOS) to Seattle (SEA) from $232 | Skyscanner. Roundtrip One way Multi-city. Depart. 4/14/24. Return. 4/21/24. Travelers …There are 4 airlines that fly nonstop from Seattle to New York. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $103 for a one-way flight. On average, the best prices for this route can be found at JetBlue.Purchase a flight up to 331 days in advance. You can now purchase flights as far out as 331 days from the date of booking at any time. Our flight schedules will automatically extend day-by-day. Check out our Best Fare Finder to see if we have flights scheduled during your desired dates for a chosen route. See flight availability.The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)Find flights to Seattle from $120. Fly from Boston on Sun Country Air, American Airlines, Spirit Airlines and more. Search for Seattle flights on KAYAK now to find the best deal.Find flights to Boston from $96. Fly from Seattle on Sun Country Air, Spirit Airlines, Delta and more. Search for Boston flights on KAYAK now to find the best deal. ASA460. B739. Arrived / Delayed. Thu 03:43PM PST. 11:57PM EST Thu. Seattle-Tacoma Intl (KSEA) - Boston Logan Intl (KBOS) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination. JetBlue Route map lets you explore over 100 destinations in the U.S., Latin America and Caribbean, plus London, with low fares and great service. Whether you want to visit San Francisco, Boston, or any other city, you can find your deal and book your flight with our interactive map.Find flights to Seattle from $89. Fly from Boston on Sun Country Air, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal.The two airlines most popular with KAYAK users for flights from Seattle to Hartford are Alaska Airlines and Delta. With an average price for the route of $774 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $647 and an overall rating of 8.0. Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 1 stop $217. Spokane 1 stop $316. Pasco 1 stop $377. Bellingham 1 stop $452. Pullman 1 stop $517. Wenatchee 1 stop $552. Portland 1 stop $220. There are 4 airlines that fly direct from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with Alaska Airlines at £151 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines. The calculation of flight time is based on the straight line distance from Boston, MA to Seattle, WA ("as the crow flies"), which is about 2,492 miles or 4 011 kilometers. Your trip begins in Boston, Massachusetts. It ends in Seattle, Washington. Your flight direction from Boston, MA to Seattle, WA is Northwest (-64 degrees from North). The ...Find United Airlines cheap flights from Boston to Seattle. Enjoy a Boston to Seattle modern flight experience in premium cabins with Wi-Fi. The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA) Question: Question 5 American Airlines flights from Boston to Seattle are on time 90 % of the time. Suppose 7 flights are randomly selected, and the number on-time flights is recorded. Round answers to 3 significant figures. The probability that exactly 6 flights are on time is The probability that at most 4 flights are on time is - The ...Flights on this route from Alaska Airlines typically cost $402.40 RT, a price that is 67% cheaper than the average Seattle to Boston flight. The cheapest flight found was $134 RT. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Boston.Book cheap flights from Boston to Seattle on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Grab BOS to SEA flight deals on CheapOair and save big! Hurry, our cheap rates are not going to last forever, so make your bookings ...Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £110 for one-way flights and £205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Shanghai 1 stop $1,165. Beijing 1 stop $1,228. Guangzhou 2 stops $1,226. Fuzhou 2 stops $1,467. Shenyang 1 stop $1,398. Chengdu 3 stops $1,321. Xiamen 3 … Flights from Seattle to Boston via Chicago Midway Ave. Duration 7h 30m When Saturday Estimated price $220 - $700 Flights from Seattle to Providence via Chicago Midway Ave. Duration 7h 15m When Monday to Friday Estimated price $230 - $750 Flights from Seattle to Providence via Baltimore Ave. Duration 12h 10m When There are 32 flights per week flying from Boston to Seattle / Tacoma (as of April 2024). How long does it take to fly from Boston to Seattle / Tacoma? 6 hours and 9 minutes is …Find flights to Boston from $135. Fly from Seattle on United Airlines, American Airlines, Delta and more. Search for Boston flights on KAYAK now to find the best deal. There are 4 airlines that fly direct from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with Alaska Airlines at C$ 272. On average, the best prices for this route can be found at Delta. Airbus A380 is the largest aircraft operating here among other big planes such as the Boeing 777 and the Airbus A350. The aircraft types with most scheduled flights are the Airbus A31X/32X and the Embraer 19X/17X. The route with the longest flighttime from Boston (BOS) is to Seoul (ICN) and takes about 15h 50min with a Boeing 787-9. Seattle - Tacoma Intl. flight + hotel packages - economy flights. $128 Search for cheap flights deals from BOS to SEA (Logan Intl. to Seattle - Tacoma Intl.). We offer cheap direct, non-stop flights including one way and roundtrip tickets. Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 2 stops $211. Spokane 1 stop $358. Pasco 1 stop $437. Bellingham 1 stop $506. Pullman 2 stops $757. Wenatchee 2 stops $875. Portland 1 stop $221.Each day, there are between 12 and 18 nonstop flights that take off from Seattle and land in Boston, with an average flight time of 5h 27m. The most common departure time is 15:00 and most flights take off in the morning. Each week, there are 109 flights. The most frequent day of departure is Sunday, when 17% of all weekly flights depart.Flights from Boston to Shanghai. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Boston to Shanghai. Seattle/Tacoma, WA to Boston Logan, MA. departing on 11/5. one-way starting at*. $203. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 18 travel days available. The two airlines most popular with KAYAK users for flights from Seattle to Boston are Alaska Airlines and Delta. With an average price for the route of C$ 475 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of C$ 323 and an overall rating of 8.0.The best one-way flight to Seattle from Boston in the past 72 hours is $125. The best round-trip flight deal from Boston to Seattle found on momondo in the last 72 hours is $217. The fastest flight from Boston to Seattle takes 6h 05m. Direct flights go from Boston to Seattle every day. There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA) Searching for cheap flights from Seattle to Boston? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.. The average price for connecting flights from Seattle to Boston is not available.. The average price for …Connecting flights between Boston, MA and Seattle, WA. Here is a list of connecting flights from Boston, Massachusetts to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 15 flights to Seattle, WA with one connection: Airline routes; American Airlines BOS to CLT to SEA Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 1 stop $217. Spokane 1 stop $316. Pasco 1 stop $377. Bellingham 1 stop $452. Pullman 1 stop $517. Wenatchee 1 stop $552. Portland 1 stop $220. Looking for a cheap flight? 25% of our users found tickets from Boston to the following destinations at these prices or less: New York $135 one-way - $462 round-trip; Orlando $81 one-way - $163 round-trip; Miami $148 one-way - $316 round-trip. Morning departure is around 7% cheaper than an evening flight, on average*.Check the status of your flight to Boston Logan Airport using the information on our departures page. The data on departures times and status is frequently updated in real time. ... Seattle (SEA) 07:00 am AS459. AA9302. DE5235. JL6357. KE6222. TN2335. Alaska Airlines. American Airlines . Condor . JAL . Korean Air . Air Tahiti Nui . B. …Seattle / Tacoma to Boston Flights. Flights from SEA to BOS are operated 33 times a week, with an average of 5 flights per day. Departure times vary between 06:30 - 23:59. The earliest flight departs at 06:30, the last flight departs at 23:59. However, this depends on the date you are flying so please check with the full flight schedule above ...There are 4 airlines that fly nonstop from Seattle to New York. They are: Alaska Airlines, Delta, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $103 for a one-way flight. On average, the best prices for this route can be found at JetBlue.
1 stop. from ₹ 9,206. Seattle. ₹ 10,287 per passenger.Departing Wed, 1 May.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Boston Logan International on Wed, 1 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 10,287, select.. Orlando florida to london
One-way low-fare flights Seattle to Boston.* From. flight_takeoff. To. flight_land. Budget $ Cabin Class. Select travel class. keyboard_arrow_down. From. To. Fare Type. Dates. Price. From Seattle (SEA) To Boston (BOS) One-way | Saver: Depart: Apr 30, 2024: From. $129* Seen: 23 hours agoSelect Spirit Airlines flight, departing Wed, May 8 from Boston to Seattle, returning Tue, May 14, priced at $223 found 2 hours ago. Mon, May 6 - Mon, May 13. BOS. Boston. SEA. Seattle. ... May 7 from Boston to Seattle, returning Mon, May 13, priced at $259 found 17 hours ago. Sat, Sep 7 - Wed, Sep 18. BOS. Boston. SEA. Seattle. $260 Roundtrip ... My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. Find cheap flights from Seattle to Massachusetts from. $135. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30.See all routes, airlines and scheduled direct (non-stop) flights from Seattle Tacoma International (SEA). Find detailed information for each departure 9 months ahead and explore all 127 destinations with our smart search tool and route map.There are on average 412 passenger flights scheduled to take-off from Boston every day to 139 non-stop destinations in 40 countries and 39 U.S states. Airlines flying direct from Boston (BOS) include JetBlue, Delta, American Airlines and 43 others. The bars shows which airlines have the most departures from Boston next week (2024-03-25 to 2024 ...Book Cheap Nonstop & Direct Flights from Boston to Seattle: Search and compare airfares on Tripadvisor to find the best nonstop and direct flights for your trip from Boston to Seattle. Choose the best airline for you by reading reviews and viewing hundreds of ticket rates for non stop and direct flights going to and from your destination.Connecting flights between Boston, MA and Seattle, WA. Here is a list of connecting flights from Boston, Massachusetts to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 15 flights to Seattle, WA with one connection: Airline routes; American Airlines BOS to CLT to SEA We offer Round Trip starting at $257 and One-Way flights starting at $129. Find Last Minute Deals on flights from BOS to SEA with Hot Rate Discounts! Save up to 40% on Cheap Flights from Boston (BOS) to Seattle (SEA). The two airlines most popular with KAYAK users for flights from Boston to Shanghai are Hainan Airlines and Delta. With an average price for the route of $1,254 and an overall rating of 8.1, Hainan Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $2,001 and an overall rating of 8.0. Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 1 stop $217. Spokane 1 stop $316. Pasco 1 stop $377. Bellingham 1 stop $452. Pullman 1 stop $517. Wenatchee 1 stop $552. Portland 1 stop $220. Lowest Fare for Boston to Seattle Flight ₹ 10665- 27 Apr: Today's Lowest Fare ₹ 0: Total flights from Boston to Seattle in a Week : 142 Flights : First Flight: American Airlines, departs at 05:25: Last Flight: JetBlue Airways, Alaska Airlines, departs at 20:25: Non-Stop Flights from Boston to Seattle: 9: Airport Name & codes of Boston & Seattle Sun, 8 Dec SEA - BOS with United. 1 stop. from £204. Seattle. £204 per passenger.Departing Wed, 23 Oct, returning Sat, 26 Oct.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 23 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from ... Cheap Flights from Seattle (SEA) to Boston (BOS) Prices were available within the past 7 days and start at £102 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Seattle to Boston with no change fee on selected ....