For September travel, fly from Baltimore to Seattle for $264 roundtrip on United.
Searching United, we found seats departing BWI on Tuesday, September 18, returning from SEA on Thursday, September 25.
Other dates are available for travel from September through November.
See our Baltimore BWI fare listings for a complete look at current finds.
Need a room in Seattle? Here's what's available for the above dates on Hotelwatchdog.
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