Cheap flights from Seattle to Boston
Flights overview
Prices shown are for one adult in Economy class flights from Zürich to New York. This includes the cheapest Business class options where available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Useful information for finding cheap flights from Seattle to Boston and booking your next trip
| Cheapest round-trip flights | $257 | United1 stop8 hrThu, Apr 16 — Wed, Apr 22 | The cheapest round-trip flight from Seattle to Boston is currently $257 | |
|---|---|---|---|---|
| Cheapest one-way flight | $119 | JetBlueNonstop6 hrSat, May 16 | The cheapest one-way flight from Seattle to Boston is currently $119 | |
| Cheapest nonstop flights | $268 | DeltaNonstop6 hrSat, May 9 — Sun, May 17 | The cheapest nonstop round-trip flight from Seattle to Boston is currently $268 | |
| Last-minute weekend getaway | $487 | DeltaNonstop6 hrThu, Mar 19 — Sun, Mar 22 | The cheapest last-minute weekend getaway from Seattle to Boston is currently $487 | |
| Cheapest business class flights | $958 | American1 stop19 hrSat, Apr 18 — Sat, Apr 25 | The cheapest business class round-trip flight from Seattle to Boston is currently $958 | |
| Fastest flight | 5 hr 14 min | The fastest nonstop flight from Seattle to Boston takes 5 hr 14 min | ||
| Nonstop flights | Every day | There are direct flights on this route every day. |
When is the cheapest time to fly?
Typical prices for the least expensive flights for 1-week trips from Seattle to Boston per month. Insights are based on fares observed in the last 12 months. Current prices may differ.
The cheapest month to fly from Seattle to Boston is typically September. The most expensive month to fly is typically December.
January
Prices in January are usually between $255 and $390.
Popular airlines from Seattle to Boston
Popularity is based on the number of weekly nonstop and connecting flights the airline operates. Connecting flights do not include interline routes.
Flight suggestions are based on an airline's cheapest round-trip fares from Seattle to Boston in the next 3 months. Prices include required taxes + fees for one adult. Optional charges and bag fees may apply.
Typical prices are based on fares observed in the past year for one-week round trips with the same origin, destination, and airline.
- DeltaNonstopfrom $332Typical price: $285–58020 weekly nonstop flightsSEA - BOSEvery day252 weekly connecting flightsSEA - BOSEvery day
- AlaskaNonstopfrom $377Typical price: $290–62020 weekly nonstop flightsSEA - BOSEvery day7 weekly connecting flightsSEA - BOSEvery Wed, Thu
- Americanfrom $257Typical price: $275–560186 weekly connecting flightsSEA - BOSEvery day
- Unitedfrom $257Typical price: $270–530160 weekly connecting flightsSEA - BOSEvery day
- Southwestfrom $257Typical price: $325–60047 weekly connecting flightsSEA - BOSEvery day
- FrontierTypical price: $270–6904 weekly connecting flightsSEA - BOSEvery Mon, Thu, Fri, Sun
Popular airports near Seattle
Distance and driving time are relative to the city center. Airports are listed based on distance from Seattle center and popularity with travelers.
- Seattle-Tacoma International Airport (SEA)SeattleUnited States19 min11 mi
- Paine Field (PAE)EverettUnited States31 min21 mi
- King County International Airport - Boeing Field (BFI)SeattleUnited States11 min5 mi
- Portland International Airport (PDX)PortlandUnited States2 hr 44 min140 mi
Popular airports near Boston
Distance and driving time are relative to the city center. Airports are listed based on distance from Boston center and popularity with travelers.
- Boston Logan International Airport (BOS)BostonUnited States12 min2 mi
- John F. Kennedy International Airport (JFK)New YorkUnited States3 hr 37 min184 mi
- LaGuardia Airport (LGA)New YorkUnited States3 hr 25 min181 mi
- Rhode Island T.F. Green International Airport (PVD)ProvidenceUnited States1 hr 7 min47 mi
Frequently asked questions about flying from Seattle to Boston
The cheapest flights from Seattle to Boston are usually in September. Typical ticket prices in September range from $205 to $290.
The cheapest round-trip flight from Seattle to Boston recently found on Google Flights was with United from $257. The cheapest one-way flight was with JetBlue from $119.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest Delta flight from Seattle to Boston is $332, flying from May 30 to Jun 5.
- The cheapest Alaska flight from Seattle to Boston is $377, flying from May 4 to May 13.
- The cheapest American flight from Seattle to Boston is $257, flying from Apr 18 to Apr 24.
- The cheapest United flight from Seattle to Boston is $257, flying from Apr 16 to Apr 22.
- The cheapest Southwest flight from Seattle to Boston is $257, flying from May 4 to May 12.
The cheapest round-trip flight from Seattle to Boston starts at $257 from Thu, Apr 16 to Wed, Apr 22. The cheapest one-way flight starts at $119 and departs on Sat, May 16.
5 hr 14 min is the shortest flight time from Seattle to Boston.
Boston is a year-round destination with a 4-season climate. Spring and fall feature generally mild weather, although snow sometimes falls in early spring (Apr). Summer can be humid. Foliage season (mid-Sep–Nov) attracts the largest crowds. Patriots Day (3rd Mon of Apr) commemorates the start of the Revolutionary War and coincides with the famed Boston Marathon. Summer festivals include Boston Harborfest, the city’s weeklong 4th of July party, and Italian-American celebrations in the North End (late Jul–Aug).
It's easy to use Google Flights to find the cheapest days to fly from Seattle to Boston.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Seattle to Boston really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Seattle to Boston.
In terms of nonstop flights, Delta is the most popular. Delta offers 20 nonstop flights and 252 connecting flights per week. Delta flies from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
Other popular airlines flying from Seattle to Boston are:
In terms of nonstop flights, Delta is the most popular. Delta offers 20 nonstop flights and 252 connecting flights per week. Delta flies from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
Other popular airlines flying from Seattle to Boston are:
- Alaska offers 20 nonstop flights and 7 connecting flights per week. Alaska flies from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
- American offers 186 connecting flights per week. American flies from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
- United offers 160 connecting flights per week. United flies from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
- Southwest offers 47 connecting flights per week. Southwest flies from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
- Frontier offers 4 connecting flights per week. Frontier flies from Seattle-Tacoma International Airport (SEA) to Boston Logan International Airport (BOS).
The cheapest round-trip flight from Seattle to Boston recently found on Google Flights was with United from $257. The cheapest one-way flight was with JetBlue from $119.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest Delta flight from Seattle to Boston is $332, flying from May 30 to Jun 5.
- The cheapest Alaska flight from Seattle to Boston is $377, flying from May 4 to May 13.
- The cheapest American flight from Seattle to Boston is $257, flying from Apr 18 to Apr 24.
- The cheapest United flight from Seattle to Boston is $257, flying from Apr 16 to Apr 22.
- The cheapest Southwest flight from Seattle to Boston is $257, flying from May 4 to May 12.
Alaska and Delta fly direct from Seattle to Boston.
- There are 20 Delta direct flights from Seattle to Boston per week. Flights are available every day.
- There are 20 Alaska direct flights from Seattle to Boston per week. Flights are available every day.
The cheapest last-minute deal between Seattle and Boston at price $487 is offered by Delta from Thu, Mar 19 to Sun, Mar 22.
Alaska and Delta fly direct from Seattle to Boston.
- There are 20 Delta direct flights from Seattle to Boston per week. Flights are available every day.
- There are 20 Alaska direct flights from Seattle to Boston per week. Flights are available every day.
There are direct flights from Seattle to Boston on a daily basis.
The cheapest direct (nonstop) round-trip flights between Seattle and Boston start at $268 from Sat, May 9 to Sun, May 17 with Delta.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Seattle to Boston, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Seattle and Boston start at $958 from Sat, Apr 18 to Sat, Apr 25 with American.
The cheapest economy class round-trip flights between Seattle and Boston start at $257 from Thu, Apr 16 to Wed, Apr 22.
To book business class trips from Seattle to Boston, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.
You can also adjust the trip type to view one-way fares.
You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Seattle and Boston starts at $487 from Thu, Mar 19 to Sun, Mar 22 with Delta.
The cheapest last-minute deal between Seattle and Boston at price $487 is offered by Delta from Thu, Mar 19 to Sun, Mar 22.
To find last-minute flight deals from Seattle to Boston, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
Search more flights
Popular trips from Seattle
These suggestions are based on the cheapest fares to popular destinations in the next six months.
Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.
- Los Angeles$56Apr 20 — Apr 28Nonstop2 hr 48 minFrontier
- Honolulu$312Apr 20 — Apr 281 stop10 hr 27 minUnited
- New York$237Apr 18 — Apr 25Nonstop5 hr 21 minUnited
- Tokyo$781Apr 13 — Apr 221 stop30 hrKorean Air, Asiana Airlines
Find cheap flights from Seattle to anywhere
Find cheap flights on popular routes
Flights from Seattle to WashingtonFlights from Seattle to New YorkFlights from Seattle to ChicagoFlights from Seattle to DallasFlights from Seattle to OrlandoFlights from Seattle to TampaFlights from Seattle to AtlantaFlights from Seattle to HoustonFlights from Seattle to PortlandFlights from Seattle to Las VegasFlights from Seattle to NashvilleFlights from Seattle to San Diego