Good to know - Cheap tickets Seattle — Boston
| Cheapest flight found | $90 |
|---|---|
| Minimal flight time | 5h 12m |
| Flight distance | 4001 km |
| Most popular airline | Alaska Horizon |
Airfare Seattle – Boston by month
Here you can find out in what months how much a ticket Seattle – Boston costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| March 2026 | ||
| November 2025 | ||
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Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.
Schedule of direct flights Seattle — Boston
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 07:45 | 16:24 | daily | DL459 | Delta Air Lines | 5h 39m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 08:21 | 16:45 | daily | AS306 | Alaska Horizon | 5h 24m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 10:58 | 19:19 | daily | AS818 | Alaska Horizon | 5h 21m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 11:43 | 20:15 | daily | B6398 | JetBlue | 5h 32m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 15:43 | 23:59 | daily | AS460 | Alaska Horizon | 5h 16m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 15:50 | 00:15 | mon, tue, wed, thu, fri, sun | DL474 | Delta Air Lines | 5h 25m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 21:13 | 05:25 | daily | B6198 | JetBlue | 5h 12m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 22:17 | 06:40 | daily | DL473 | Delta Air Lines | 5h 23m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
| 23:40 | 08:00 | daily | AS536 | Alaska Horizon | 5h 20m | Seattle-Tacoma International Airport — Logan International Airport | Select dates |
Popular airlines flying Seattle — Boston
Flight Seattle – Boston is served by 33 airlines. 3 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Sales of tickets from Seattle to Boston in the last 48 hours
Flights Seattle — Boston
The selection of cheap flights Seattle — Boston
Here you can find and purchase the cheapest flights Seattle — Boston from $90 and Seattle — Boston — Seattle from $197.
The price of the flight Seattle — Boston (United States) — Seattle from $197 (round-trip).
The average price of the flight Seattle — Boston (United States) — Seattle $389 (round-trip).
- Departure city: Seattle
- IATA code of the city of origin: SEA
- Departure airports: Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport
- Departure country: United States
- Destination city: Boston
- IATA code of the destination city: BOS
- Destination airports: Pease Air Force Base, Logan International Airport, Boston City Heliport
- Destination country: United States
Low cost flights Seattle — Boston (SEA — BOS)
The distance between Seattle and Boston 2486 miles (or 4001 kilometres).
The time difference between Seattle and Boston is 3 h.
Minimal flight time from Seattle to Boston 5h 12m.
LowCostClub always do a comparison of airfares Seattle — Boston with several airlines (include Delta Air Lines, Alaska Horizon, JetBlue). They will always give you all available options so you can find the cheapest flight to Boston. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Seattle — Boston. Last week, for instance, the cheapest round-trip prices stood at $197 while the cheapest one-way price that was available within the last week cost $90
Routes from nearby cities to Boston
A flight from a neighbouring city can help you save money on plane tickets.
Most often, they fly to Boston from Pasco, this is the closest city with an airport from Seattle. The cheapest ticket can be bought for a flight departing from Portland from $105.
Popular International routes from Seattle
Popular routes from Boston
If you are going to fly from Boston, then study the popular flights. The most popular flights from Boston:
Popular domestic routes from Seattle
FAQ about Seattle — Boston
Are there any direct flights Seattle — Boston?
Yes, they do: DL459, AS306, AS818, B6398, AS460, DL474, B6198, DL473, AS536
Can we fly from Seattle to Boston?
Yes, you can fly from Seattle to Boston. Seattle has 3 airports (Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport) for flights. Delta Air Lines, Alaska Horizon, JetBlue depart from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Aeromexico, Air Canada, Air France, Allegiant Air, American Eagle, Atlas Air, Boutique Air, British Airways, Condor, Emirates, FedEx, Frontier (Choo the Pika Livery), Hainan Airlines, Hawaiian Airlines, Icelandair, Japan Airlines, Jet Linx Aviation, Korean Air, Lufthansa, NetJets, Qatar Airways, Qatar Executive, SAS, Southwest Airlines, Spirit Airlines, Sun Country Airlines, Tradewind Aviation, Turkish Airlines, United Airlines, UPS, Virgin Atlantic, WestJet.
How long does it take to fly from Seattle to Boston?
A direct flight lasts an average of 5h 12m, during which time the aircraft covers a distance of 4001 km.
How much do flights Seattle — Boston cost?
The price of flights Seattle — Boston starts from $90.
What days does the plane fly Seattle — Boston?
Planes fly Seattle — Boston 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Seattle and Boston?
In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport. In Boston — Pease Air Force Base, Logan International Airport, Boston City Heliport.
What flights are currently flying from Seattle to Boston?
The following flights fly between Seattle and Boston: DL459, AS306, AS818, B6398, AS460, DL474, B6198, DL473, AS536
What month is the cheapest to fly from Seattle to Boston?
High season is considered to be and the cheapest month is . Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Seattle — Boston flight deals.
Which airlines direct fly from Seattle to Boston?
The following airlines have direct flights Seattle — Boston: Delta Air Lines, Alaska Horizon, JetBlue.
Which airlines fly from Seattle to Boston?
All the following airlines flights Seattle — Boston: ABX Air, Aeromexico, Air Canada, Air France, Alaska Horizon, Allegiant Air, American Eagle, Atlas Air, Boutique Air, British Airways, Condor, Delta Air Lines, Emirates, FedEx, Frontier (Choo the Pika Livery), Hainan Airlines, Hawaiian Airlines, Icelandair, Japan Airlines, Jet Linx Aviation, JetBlue, Korean Air, Lufthansa, NetJets, Qatar Airways, Qatar Executive, SAS, Southwest Airlines, Spirit Airlines, Sun Country Airlines, Tradewind Aviation, Turkish Airlines, United Airlines, UPS, Virgin Atlantic, WestJet.