Cheap flights from Denver to Puget Sound from CA $89

View CA $89 flight on Thu, Aug. 7, 2025Opens in a new window

Popular airlines from Denver to Puget Sound

  • Air Canada

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  • WestJet

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  • Flair Airlines

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  • American Airlines

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  • United

    United

  • Delta

    Delta

  • Porter Airlines

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Cheap flights from Denver (DEN) to Puget Sound (SEA)

Prices were available within the past 7 days and start at CA $89 for one-way flights and CA $202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Sep. 23 - Fri, Sep. 26
DEN
Denver
SEA
Seattle
CA $202 Roundtrip, found 1 day ago
CA $202
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep. 23 from Denver to Seattle, returning Fri, Sep. 26, priced at CA $202 found 1 day ago
Delta
Tue, Sep. 23 - Fri, Sep. 26
DEN
Denver
SEA
Seattle
CA $204 Roundtrip, found 1 day ago
CA $204
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep. 23 from Denver to Seattle, returning Fri, Sep. 26, priced at CA $204 found 1 day ago
Alaska Airlines
Thu, Oct. 30 - Wed, Nov. 5
DEN
Denver
SEA
Seattle
CA $205 Roundtrip, found 3 days ago
CA $205
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Oct. 30 from Denver to Seattle, returning Wed, Nov. 5, priced at CA $205 found 3 days ago
American Airlines
Tue, Sep. 23 - Fri, Sep. 26
DEN
Denver
SEA
Seattle
CA $223 Roundtrip, found 1 day ago
CA $223
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep. 23 from Denver to Seattle, returning Fri, Sep. 26, priced at CA $223 found 1 day ago
United
Sat, Aug. 2 - Thu, Aug. 7
DEN
Denver
SEA
Seattle
CA $353 Roundtrip, found 2 days ago
CA $353
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug. 2 from Denver to Seattle, returning Thu, Aug. 7, priced at CA $353 found 2 days ago
Hawaiian Airlines
Sat, Jul. 19 - Thu, Jul. 24
DEN
Denver
BLI
Bellingham
CA $595 Roundtrip, found 5 days ago
CA $595
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, Jul. 19 from Denver to Bellingham, returning Thu, Jul. 24, priced at CA $595 found 5 days ago
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