Denver to Seattle Flights (DEN-SEA) from $44

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Selected fares from Denver to Seattle

The cheapest prices found with in the last 7 days for return flights were $71 and $44 for one-way flights to Seattle for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Aug 13 - Wed, Aug 28
DEN
Denver Intl.
SEA
Seattle - Tacoma Intl.
$71 Roundtrip, found 6 days ago
$71
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Aug 13 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Aug 28, priced at $71 found 6 days ago
Alaska Airlines
Sat, Jun 8 - Sat, Jun 8
DEN
Denver Intl.
SEA
Seattle - Tacoma Intl.
$133 Roundtrip, found 3 days ago
$133
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Jun 8 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Jun 8, priced at $133 found 3 days ago
Delta
Tue, May 21 - Tue, May 28
DEN
Denver Intl.
SEA
Seattle - Tacoma Intl.
$158 Roundtrip, found 1 hour ago
$158
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, May 21 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, May 28, priced at $158 found 1 hour ago

Save more with Seattle Flight + Hotel packages

Price found within the past 48 hours. Click for updated prices.
Hotel Theodore

Hotel Theodore

4 out of 5
Save 100% on your flight
per person
Jun 7 - Jun 11
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
The Belltown Inn

The Belltown Inn

2.5 out of 5
Save 100% on your flight
per person
Jun 7 - Jun 11
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
Hotel Max

Hotel Max

3.5 out of 5
Save 100% on your flight
per person
Jun 7 - Jun 11
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
Mediterranean Inn

Mediterranean Inn

3 out of 5
Save 100% on your flight
per person
Jun 7 - Jun 11
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
Hilton Motif Seattle

Hilton Motif Seattle

4 out of 5
Save 100% on your flight
per person
Jun 7 - Jun 11
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
The Edgewater Hotel

The Edgewater Hotel

4 out of 5
Save 100% on your flight
per person
Jun 7 - Jun 11
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
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