Cheap flights from Denver to Blake Island from CA $89

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

Popular airlines from Denver to Blake Island

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

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Cheap flights from Denver (DEN) to Blake Island (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
Alaska Airlines
Tue, Sep. 23 - Fri, Sep. 26
DEN
Denver
SEA
Seattle
CA $207 Roundtrip, found 1 day ago
CA $207
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep. 23 from Denver to Seattle, returning Fri, Sep. 26, priced at CA $207 found 1 day 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

Find the cheapest month to fly from Denver (DEN) to Seattle (SEA)

January is typically the cheapest month to fly

From CA $89 - CA $358 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.