Planning a flight from Boston to Seattle?

Flight prices from Boston to Seattle change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Which departure and arrival airports are available?

Between Boston and Seattle, flight options may depend on the combination of airports available.

• Airports in Boston: Only Boston - Logan is currently in operation.
• Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Refine your flight search from Boston to Seattle

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Boston, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.