Flights from Seattle to Allenspark

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 20 - Mon, Nov 10

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$148 Roundtrip, found 4 days ago

$148

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from Seattle Paine Field Intl. Airport to Denver Intl., returning Mon, Nov 10, priced at $148 found 4 days ago

Fri, Jul 11 - Mon, Aug 11

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 11 from Seattle Paine Field Intl. Airport to Denver Intl., returning Mon, Aug 11, priced at $154 found 1 day ago

Wed, Sep 3 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$157 Roundtrip, found 2 days ago

$157

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Sep 9, priced at $157 found 2 days ago

Wed, Sep 3 - Fri, Sep 5

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$165 Roundtrip, found 2 days ago

$165

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Denver Intl., returning Fri, Sep 5, priced at $165 found 2 days ago

Fri, Oct 24 - Mon, Nov 10

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$168 Roundtrip, found 4 days ago

$168

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Seattle Paine Field Intl. Airport to Denver Intl., returning Mon, Nov 10, priced at $168 found 4 days ago

Thu, Sep 4 - Mon, Sep 8

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$173 Roundtrip, found 2 days ago

$173

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Denver Intl., returning Mon, Sep 8, priced at $173 found 2 days ago

Mon, Sep 1 - Mon, Sep 8

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$178 Roundtrip, found 2 days ago

$178

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Sep 1 from Seattle Paine Field Intl. Airport to Denver Intl., returning Mon, Sep 8, priced at $178 found 2 days ago

Thu, Sep 4 - Mon, Sep 8

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$183 Roundtrip, found 2 days ago

$183

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Denver Intl., returning Mon, Sep 8, priced at $183 found 2 days ago

Thu, Sep 4 - Mon, Sep 8

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$185 Roundtrip, found 2 days ago

$185

Roundtrip

found 2 days ago

Select United flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Denver Intl., returning Mon, Sep 8, priced at $185 found 2 days ago

Fri, Oct 31 - Fri, Nov 14

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$188 Roundtrip, found 4 days ago

$188

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 31 from Seattle Paine Field Intl. Airport to Denver Intl., returning Fri, Nov 14, priced at $188 found 4 days ago

Thu, Sep 4 - Mon, Sep 8

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$195 Roundtrip, found 2 days ago

$195

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Denver Intl., returning Mon, Sep 8, priced at $195 found 2 days ago

Fri, Aug 22 - Fri, Sep 12

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$198 Roundtrip, found 4 days ago

$198

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Aug 22 from Seattle Paine Field Intl. Airport to Denver Intl., returning Fri, Sep 12, priced at $198 found 4 days ago

Fri, Oct 24 - Fri, Nov 7

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$203 Roundtrip, found 4 days ago

$203

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Seattle Paine Field Intl. Airport to Denver Intl., returning Fri, Nov 7, priced at $203 found 4 days ago

Thu, Sep 4 - Mon, Sep 8

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$205 Roundtrip, found 2 days ago

$205

Roundtrip

found 2 days ago

Select United flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Denver Intl., returning Mon, Sep 8, priced at $205 found 2 days ago

Mon, Sep 1 - Fri, Sep 5

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$208 Roundtrip, found 2 days ago

$208

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Sep 1 from Seattle Paine Field Intl. Airport to Denver Intl., returning Fri, Sep 5, priced at $208 found 2 days ago

Thu, Sep 4 - Mon, Sep 8

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$213 Roundtrip, found 2 days ago

$213

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Denver Intl., returning Mon, Sep 8, priced at $213 found 2 days ago

Thu, Sep 4 - Mon, Sep 8

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select United flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Denver Intl., returning Mon, Sep 8, priced at $217 found 2 days ago

Mon, Jul 14 - Fri, Aug 8

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$218 Roundtrip, found 6 days ago

$218

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Seattle Paine Field Intl. Airport to Denver Intl., returning Fri, Aug 8, priced at $218 found 6 days ago

Mon, Sep 1 - Thu, Sep 11

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$230 Roundtrip, found 2 days ago

$230

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Mon, Sep 1 from Seattle - Tacoma Intl. to Denver Intl., returning Thu, Sep 11, priced at $230 found 2 days ago

Fri, Jul 11 - Mon, Aug 11

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$2,371 Roundtrip, found 1 day ago

$2,371

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Jul 11 from Seattle Paine Field Intl. Airport to Denver Intl., returning Mon, Aug 11, priced at $2,371 found 1 day ago