Flights from Portland to Denver

Cheapest flights from Portland

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.

Tue, Aug 12 - Wed, Aug 20

PDX

Portland Intl.

DEN

Denver Intl.

$109 Roundtrip, found 2 days ago

$109

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Wed, Aug 20, priced at $109 found 2 days ago

Thu, Aug 14 - Mon, Aug 18

PDX

Portland Intl.

DEN

Denver Intl.

$120 Roundtrip, found 2 days ago

$120

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Portland Intl. to Denver Intl., returning Mon, Aug 18, priced at $120 found 2 days ago

Tue, Aug 12 - Sat, Aug 16

PDX

Portland Intl.

DEN

Denver Intl.

$121 Roundtrip, found 4 days ago

$121

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Sat, Aug 16, priced at $121 found 4 days ago

Tue, Aug 12 - Sun, Aug 17

PDX

Portland Intl.

DEN

Denver Intl.

$128 Roundtrip, found 2 days ago

$128

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Sun, Aug 17, priced at $128 found 2 days ago

Thu, Aug 14 - Fri, Aug 22

PDX

Portland Intl.

DEN

Denver Intl.

$134 Roundtrip, found 2 days ago

$134

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Portland Intl. to Denver Intl., returning Fri, Aug 22, priced at $134 found 2 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$139 Roundtrip, found 2 days ago

$139

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $139 found 2 days ago

Thu, Aug 14 - Sun, Aug 17

PDX

Portland Intl.

DEN

Denver Intl.

$141 Roundtrip, found 2 days ago

$141

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Portland Intl. to Denver Intl., returning Sun, Aug 17, priced at $141 found 2 days ago

Tue, Aug 12 - Tue, Aug 19

PDX

Portland Intl.

DEN

Denver Intl.

$147 Roundtrip, found 1 day ago

$147

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Tue, Aug 19, priced at $147 found 1 day ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$148 Roundtrip, found 2 days ago

$148

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $148 found 2 days ago

Fri, Aug 15 - Fri, Aug 22

PDX

Portland Intl.

DEN

Denver Intl.

$155 Roundtrip, found 2 days ago

$155

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Portland Intl. to Denver Intl., returning Fri, Aug 22, priced at $155 found 2 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$157 Roundtrip, found 2 days ago

$157

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $157 found 2 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$157 Roundtrip, found 2 days ago

$157

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $157 found 2 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$159 Roundtrip, found 2 days ago

$159

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $159 found 2 days ago

Fri, Aug 15 - Mon, Aug 18

PDX

Portland Intl.

DEN

Denver Intl.

$160 Roundtrip, found 3 days ago

$160

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Portland Intl. to Denver Intl., returning Mon, Aug 18, priced at $160 found 3 days ago

Tue, Aug 12 - Sat, Aug 16

PDX

Portland Intl.

DEN

Denver Intl.

$162 Roundtrip, found 4 days ago

$162

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Sat, Aug 16, priced at $162 found 4 days ago

Fri, Aug 15 - Sun, Aug 17

PDX

Portland Intl.

DEN

Denver Intl.

$162 Roundtrip, found 2 days ago

$162

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Portland Intl. to Denver Intl., returning Sun, Aug 17, priced at $162 found 2 days ago

Tue, Aug 12 - Sun, Aug 17

PDX

Portland Intl.

DEN

Denver Intl.

$169 Roundtrip, found 2 days ago

$169

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Sun, Aug 17, priced at $169 found 2 days ago

Sat, Sep 6 - Tue, Sep 9

PDX

Portland Intl.

COS

Colorado Springs

$177 Roundtrip, found 6 hours ago

$177

Roundtrip

found 6 hours ago

Select Delta flight, departing Sat, Sep 6 from Portland Intl. to Colorado Springs, returning Tue, Sep 9, priced at $177 found 6 hours ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $177 found 2 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $177 found 2 days ago