Fly nonstop from Boston to Seattle for $217 round-trip on Delta.
Searching Delta, we found seats departing BOS on Thursday, February 2, returning from SEA on Sunday, February 5.
Other dates are also available for travel through February.
See our fare details for booking info.
Need a room in Seattle? Here's a look at what's available for the above dates on Hotelwatchdog.
All products and services mentioned on Airfarewatchdog are independently selected by our team of expert travelers. If you buy something through our links, we may earn an affiliate commission.