Baltimore to Seattle $243 round-trip, nonstop, for spring travel

Fly nonstop from Baltimore to Seattle for $243 round-trip on Southwest.

Seen below, we found seats departing BWI on Tuesday, March 17, returning from SEA on Wednesday, March 25.

Other dates are also available for travel from March through May.

For booking info, see our Fare Details.

Above image via Shutterstock