Flights from Portland to Johnstown

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, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$108 Roundtrip, found 4 days ago

$108

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $108 found 4 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$138 Roundtrip, found 4 days ago

$138

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $138 found 4 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$147 Roundtrip, found 4 days ago

$147

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $147 found 4 days ago

Tue, Aug 12 - Sat, Aug 16

PDX

Portland Intl.

DEN

Denver Intl.

$149 Roundtrip, found 21 hours ago

$149

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Sat, Aug 16, priced at $149 found 21 hours ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$153 Roundtrip, found 4 days ago

$153

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $153 found 4 days ago

Tue, Aug 12 - Mon, Aug 18

PDX

Portland Intl.

DEN

Denver Intl.

$154 Roundtrip, found 21 hours ago

$154

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Portland Intl. to Denver Intl., returning Mon, Aug 18, priced at $154 found 21 hours ago

Fri, Aug 15 - Tue, Aug 19

PDX

Portland Intl.

DEN

Denver Intl.

$159 Roundtrip, found 21 hours ago

$159

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Portland Intl. to Denver Intl., returning Tue, Aug 19, priced at $159 found 21 hours ago

Thu, Aug 14 - Sun, Aug 17

PDX

Portland Intl.

DEN

Denver Intl.

$164 Roundtrip, found 21 hours ago

$164

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Portland Intl. to Denver Intl., returning Sun, Aug 17, priced at $164 found 21 hours ago

Thu, Jul 24 - Mon, Jul 28

PDX

Portland Intl.

DEN

Denver Intl.

$165 Roundtrip, found 2 days ago

$165

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Portland Intl. to Denver Intl., returning Mon, Jul 28, priced at $165 found 2 days ago

Fri, Aug 15 - Tue, Aug 19

PDX

Portland Intl.

DEN

Denver Intl.

$171 Roundtrip, found 21 hours ago

$171

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Portland Intl. to Denver Intl., returning Tue, Aug 19, priced at $171 found 21 hours ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$173 Roundtrip, found 4 days ago

$173

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $173 found 4 days ago

Mon, Jul 21 - Sat, Jul 26

PDX

Portland Intl.

DEN

Denver Intl.

$174 Roundtrip, found 2 days ago

$174

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Portland Intl. to Denver Intl., returning Sat, Jul 26, priced at $174 found 2 days ago

Sat, Aug 16 - Sat, Aug 16

PDX

Portland Intl.

DEN

Denver Intl.

$177 Roundtrip, found 21 hours ago

$177

Roundtrip

found 21 hours ago

Select Delta flight, departing Sat, Aug 16 from Portland Intl. to Denver Intl., returning Sat, Aug 16, priced at $177 found 21 hours ago

Fri, Aug 15 - Tue, Aug 19

PDX

Portland Intl.

DEN

Denver Intl.

$177 Roundtrip, found 21 hours ago

$177

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Fri, Aug 15 from Portland Intl. to Denver Intl., returning Tue, Aug 19, priced at $177 found 21 hours ago

Fri, Aug 15 - Tue, Aug 19

PDX

Portland Intl.

DEN

Denver Intl.

$177 Roundtrip, found 21 hours ago

$177

Roundtrip

found 21 hours ago

Select United flight, departing Fri, Aug 15 from Portland Intl. to Denver Intl., returning Tue, Aug 19, priced at $177 found 21 hours ago

Thu, Jul 24 - Mon, Jul 28

PDX

Portland Intl.

DEN

Denver Intl.

$178 Roundtrip, found 2 days ago

$178

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Portland Intl. to Denver Intl., returning Mon, Jul 28, priced at $178 found 2 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$180 Roundtrip, found 4 days ago

$180

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $180 found 4 days ago

Fri, Jul 25 - Sat, Jul 26

PDX

Portland Intl.

DEN

Denver Intl.

$183 Roundtrip, found 2 days ago

$183

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Portland Intl. to Denver Intl., returning Sat, Jul 26, priced at $183 found 2 days ago

Tue, Sep 30 - Thu, Oct 2

PDX

Portland Intl.

DEN

Denver Intl.

$212 Roundtrip, found 4 days ago

$212

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Sep 30 from Portland Intl. to Denver Intl., returning Thu, Oct 2, priced at $212 found 4 days ago

Thu, Jul 24 - Mon, Jul 28

PDX

Portland Intl.

FNL

Fort Collins-Loveland Municipal

$362 Roundtrip, found 2 days ago

$362

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 24 from Portland Intl. to Fort Collins-Loveland Municipal, returning Mon, Jul 28, priced at $362 found 2 days ago