Flights From Baltimore (WAS) to SeaTac (SEA)

Selected fares from Baltimore to SeaTac

The cheapest prices found with in the last 7 days for return flights were CA $297 and CA $154 for one-way flights to SeaTac for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 5 - Tue, Sep 22

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

CA $297 Roundtrip, found 5 days ago

CA $297

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sat, Sep 5 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Tue, Sep 22, priced at CA $297 found 5 days ago

Sat, May 2 - Fri, May 8

DCA

Ronald Reagan Washington National

SEA

Seattle - Tacoma Intl.

CA $358 Roundtrip, found 1 hour ago

CA $358

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Sat, May 2 from Ronald Reagan Washington National to Seattle - Tacoma Intl., returning Fri, May 8, priced at CA $358 found 1 hour ago

Wed, Jun 3 - Mon, Jun 8

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

CA $362 Roundtrip, found 6 days ago

CA $362

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Wed, Jun 3 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Mon, Jun 8, priced at CA $362 found 6 days ago