Departure time
Airlines
Fares are the lowest prices found recently and can change when you click through. You book on the airline's or travel agency's website. AirTriply may earn a commission at no extra cost to you.
Lowest fare$142
Cheapest monthNovember 2026
Typical flight time6h 26m
Direct flightsYes
Lowest fare by month
Airlines on this route
Frequently asked questions
What is the cheapest month to fly from Boston to Seattle?
November 2026 has had the lowest recent fares, from $142 one way.
How long is the flight from Boston to Seattle?
A typical flight takes about 6h 26m.
Are there direct flights from Boston to Seattle?
Yes. Direct flights have been found recently from $142.
Where do I book my ticket?
AirTriply compares fares from airlines and travel agencies. When you choose a deal, you book on the seller's own website.
