Cheap flights from Baltimore to Puget Sound from CA $142

View CA $142 flight on Wed, Aug. 20, 2025Opens in a new window

Popular airlines from Baltimore to Puget Sound

  • Air Canada

    Air Canada

  • WestJet

    WestJet

  • Flair Airlines

    Flair Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Porter Airlines

    Porter Airlines

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Cheap flights from Baltimore (WAS) to Puget Sound (SEA)

Prices were available within the past 7 days and start at CA $142 for one-way flights and CA $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu., Aug. 21 - Wed., Aug. 27
BWI
Baltimore
SEA
Seattle
CA $283 Roundtrip, found 3 days ago
CA $283
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu., Aug. 21 from Baltimore to Seattle, returning Wed., Aug. 27, priced at CA $283 found 3 days ago
American Airlines
Mon., Aug. 18 - Mon., Aug. 25
BWI
Baltimore
SEA
Seattle
CA $322 Roundtrip, found 1 day ago
CA $322
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon., Aug. 18 from Baltimore to Seattle, returning Mon., Aug. 25, priced at CA $322 found 1 day ago
Alaska Airlines
Sat., Aug. 16 - Mon., Aug. 25
BWI
Baltimore
SEA
Seattle
CA $353 Roundtrip, found 1 day ago
CA $353
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., Aug. 16 from Baltimore to Seattle, returning Mon., Aug. 25, priced at CA $353 found 1 day ago
Sun Country Airlines
Sun., Oct. 5 - Tue., Oct. 7
BWI
Baltimore
SEA
Seattle
CA $357 Roundtrip, found 2 days ago
CA $357
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Sun., Oct. 5 from Baltimore to Seattle, returning Tue., Oct. 7, priced at CA $357 found 2 days ago
Delta
Sat., Aug. 16 - Mon., Aug. 25
BWI
Baltimore
SEA
Seattle
CA $371 Roundtrip, found 1 day ago
CA $371
Roundtrip
found 1 day ago
Select Delta flight, departing Sat., Aug. 16 from Baltimore to Seattle, returning Mon., Aug. 25, priced at CA $371 found 1 day ago
Hawaiian Airlines
Wed., Aug. 27 - Tue., Sep. 2
BWI
Baltimore
BLI
Bellingham
CA $502 Roundtrip, found 6 days ago
CA $502
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed., Aug. 27 from Baltimore to Bellingham, returning Tue., Sep. 2, priced at CA $502 found 6 days ago
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