Cheap flights Boston — Seattle (BOS — SEA)

Good to know - Cheap tickets Boston — Seattle

Cheapest flight found $161
Flight distance 4001 km
Round-trip from $97
Cheapest month to fly March

Airfare Boston – Seattle by month

Here you can find out in what months how much a ticket Boston – Seattle costs to buy cheap plane tickets.

Month One-way Round-trip
September 2026
August 2026
July 2026
June 2026
May 2026
April 2026
March 2026
February 2026
January 2026
December 2025
November 2025
October 2025

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.

Dynamics airfare Boston — Seattle by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Boston — Seattle

The graph shows that booking flights Boston — Seattle is best planned for March and flights Boston — Seattle — Boston in the month of May.

Flights Boston — Seattle

The selection of cheap flights Boston — Seattle

Here you can find and purchase the cheapest flights Boston — Seattle from $161 and Boston — Seattle — Boston from $97.

The price of the flight Boston — Seattle (United States) — Boston from $97 (round-trip).

The average price of the flight Boston — Seattle (United States) — Boston $246 (round-trip).

Low cost flights Boston — Seattle (BOS — SEA)

The distance between Boston and Seattle 2486 miles (or 4001 kilometres).

The time difference between Boston and Seattle is 3 h.

LowCostClub always do a comparison of airfares Boston — Seattle with several airlines (include Aer Lingus, Air Canada, Air France). They will always give you all available options so you can find the cheapest flight to Seattle. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Boston — Seattle. Last week, for instance, the cheapest round-trip prices stood at $97 while the cheapest one-way price that was available within the last week cost $161

Routes from nearby cities to Seattle

A flight from a neighbouring city can help you save money on plane tickets.

The closest airports to Boston with a flight to Seattle are in Hartford.

Popular International routes from Boston

Popular routes from Seattle

If you are going to fly from Seattle, then study the popular flights. The most popular flights from Seattle:

Popular domestic routes from Boston

FAQ about Boston — Seattle

Yes, you can fly from Boston to Seattle. Boston has 3 airports (Pease Air Force Base, Logan International Airport, Boston City Heliport) for flights. There are non-direct flights through Aer Lingus, Air Canada, Air France, American Eagle, Atlas Air, Delta Connection, Hawaiian Airlines, Icelandair, Jet Linx Aviation, Lufthansa, NetJets, SkyWest Charter, Southwest Airlines, Tradewind Aviation, Turkish Airlines, United Express, Virgin Atlantic.

The price of flights Boston — Seattle starts from $161.

In Boston — Pease Air Force Base, Logan International Airport, Boston City Heliport. In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport.

High season is considered to be February and the cheapest month is March. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Boston — Seattle flight deals.

All the following airlines flights Boston — Seattle: Aer Lingus, Air Canada, Air France, American Eagle, Atlas Air, Delta Connection, Hawaiian Airlines, Icelandair, Jet Linx Aviation, Lufthansa, NetJets, SkyWest Charter, Southwest Airlines, Tradewind Aviation, Turkish Airlines, United Express, Virgin Atlantic.

Low price calendar