Non-stop from Portland, Oregon to Denver, Colorado (& vice versa) for only $138 roundtrip

_Denver / _Portland / Alaska Airlines / Deal / Denver / Denver, USA → Portland, USA / Depart USA / Economy / Flight / Non-Stop / North America / Portland / Portland, USA → Denver, USA / Standard Route
Flight deals from Portland, Oregon to Denver, Colorado | Secret Flying
All the information on this page is accurate at the time of publication.

If you are viewing this deal at a later date, the price and availability may no longer be as advertised.

Become a Secret Flying member to receive alerts to your inbox the moment we publish a flight deal.

Non-stop flights from Portland, Oregon to Denver, Colorado for only $138 roundtrip with Alaska Airlines.

Also works in reverse.

 

DEPART:
Portland, USA

 

ARRIVE:
Denver, USA

 

RETURN:
Portland, USA

 

DATES:
Availability from April to May 2026

Example dates:

 

Portland – Denver
14th-21st Apr
14th-22nd Apr
15th-22nd Apr
21st-28th Apr
21st-29th Apr
22nd-29th Apr
28th Apr – 5th May
6th-13th May
13th-20th May

 

Denver – Portland
14th-21st Apr
14th-22nd Apr
15th-22nd Apr
28th Apr – 5th May
28th Apr – 6th May
29th Apr – 6th May
2nd-9th May
5th-12th May

and more…

 

STOPS:

 

AIRLINES:
Alaska Airlines

 

 

GO TO DEAL

 

Non-stop flights from Portland, Oregon to Denver, Colorado for only $138 roundtrip with Alaska Airlines. Also works in reverse. Flight deal ticket image.

Top 10
Things to Do in
Denver

Check monthly
weather averages for

Denver
Find a hotel to go with your flight to
Denver