$115 Find Cheap Flights from Portland to Colorado

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Colorado departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Colorado

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Colorado, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Colorado, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Portland to Colorado

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Denver
Denver2 stops$280
Grand Junction
Grand Junction2 stops$539
Vail
Vail2 stops$475
Durango
Durango2 stops$518
Montrose
Montrose2 stops$419
Hayden
Hayden2 stops$620
Gunnison
Gunnison2 stops$477
Denver
Denver2 stops$280
Grand Junction
Grand Junction2 stops$539
Vail
Vail2 stops$475
Durango
Durango2 stops$518
Montrose
Montrose2 stops$419
Hayden
Hayden2 stops$620
Gunnison
Gunnison2 stops$477

Book Cheap Portland to Colorado Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Colorado that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Colorado

Tue, May 5 - Wed, May 6
United Airlines Logo
6:00 am - 10:47 am
PWM
-
COS
6h 47m
1 stop
United Airlines Logo
11:43 am - 9:19 pm
COS
-
PWM
7h 36m
1 stop
$235United Airlines
Tue, May 5 - Wed, May 6
United Airlines Logo
6:00 am - 10:47 am
PWM
-
COS
6h 47m
1 stop
United Airlines Logo
11:43 am - 11:59 pm
COS
-
PWM
10h 16m
2 stops
$240United Airlines
Fri, May 29 - Wed, Jun 3
Delta Logo
6:00 am - 12:48 pm
PWM
-
COS
8h 48m
1 stop
Delta Logo
1:55 pm - 11:09 pm
COS
-
PWM
7h 14m
1 stop
$277Delta
Thu, Jun 4 - Mon, Jun 8
Southwest Logo
5:35 am - 1:40 pm
PWM
-
DEN
10h 05m
2 stops
Southwest Logo
11:50 pm - 9:55 am
DEN
-
PWM
8h 05m
1 stop
$280Southwest
Mon, Apr 13 - Wed, Apr 15
Southwest Logo
2:50 pm - 9:30 pm
PWM
-
DEN
8h 40m
1 stop
Southwest Logo
11:55 pm - 12:10 pm
DEN
-
PWM
10h 15m
1 stop
$284Southwest
Tue, Jun 9 - Wed, Jun 17
JetBlue Logo
2:37 pm - 10:46 pm
PWM
-
DEN
10h 09m
1 stop
JetBlue Logo
2:29 pm - 11:57 pm
DEN
-
PWM
7h 28m
1 stop
$285JetBlue
Sat, Jun 13 - Tue, Jun 23
JetBlue Logo
2:25 pm - 10:55 pm
PWM
-
DEN
10h 30m
1 stop
JetBlue Logo
2:29 pm - 11:57 pm
DEN
-
PWM
7h 28m
1 stop
$321JetBlue
Fri, May 29 - Wed, Jun 3
Delta Logo
6:00 am - 12:48 pm
PWM
-
COS
8h 48m
1 stop
Delta Logo
1:55 pm - 11:09 pm
COS
-
PWM
7h 14m
1 stop
$348Delta
Tue, Aug 18 - Wed, Aug 26
American Airlines Logo
1:14 pm - 12:18 pm
PWM
-
GUC
25h 04m
2 stops
American Airlines Logo
12:56 pm - 11:47 pm
GUC
-
PWM
8h 51m
2 stops
$477American Airlines
Thu, Aug 27 - Sun, Aug 30
American Airlines Logo
6:00 am - 6:53 pm
PWM
-
EGE
14h 53m
2 stops
American Airlines Logo
7:50 am - 6:31 pm
EGE
-
PWM
8h 41m
1 stop
$499American Airlines
Booking Insights

KAYAK's insights & trends for Portland to Colorado flights

Get data-powered insights and trends into flights from Portland to Colorado to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland, Maine to Colorado?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland, Maine to Colorado departing in June.

What is the cheapest Portland to Colorado flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Colorado from Portland found in the last 72 hours was to Denver, at $299 round-trip. The most popular route is from Portland (PWM) to Denver (DEN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $299.

What is the cheapest time of day to fly to Colorado?

The average price for all round-trip flights from Portland to Colorado depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Colorado is generally in the evening, when round-trip flights cost $555 on average. Morning departures are around 37% more expensive than evening flights, on average. The most expensive time of day to fly to Colorado is generally in the morning, which is peak travel time and where the average cost of a ticket is $762.

Can I save money by flying with a layover from Portland to Colorado?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $433, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Portland to Colorado?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Colorado, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Colorado is February, when tickets cost $374 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $524 and $521 respectively.

What’s the cheapest day of the week to fly from Portland to Colorado?

The average price of all round-trip flights from Portland to Colorado clicked on KAYAK for each day over the last 12 months.

For Portland to Colorado, Friday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Colorado back to Portland, the best deals are generally found on Friday, with Sunday being the most expensive.

How far in advance should I book a flight from Portland to Colorado?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Colorado, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Portland to Colorado, you should book around 3 weeks before departure, which saves you about 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$115
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Portland to Denver

FAQs - booking Colorado flights

  • How does KAYAK find such low prices on flights from Portland to Colorado?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Colorado.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Colorado?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Colorado?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Colorado with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Colorado?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Colorado

  • Looking for a cheap flight? 25% of our users found tickets from Portland to the following destinations at these prices or less: Denver $273 one-way - $452 round-trip

Reviews of the top 4 airlines serving from Portland to Colorado

 
See real verified KAYAK customer reviews for airlines flying from Portland to Colorado. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Colorado? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4333 reviews
7.0Food
8.0Comfort
8.6Crew
7.5Entertainment
8.1Boarding
Airline reviews

Great flight. Good snacks and drinks. Grateful it was free. The flight from Nashville to louisville, i think her name was Tracy (not sure that's right) super awesome, nice and cheerful. She really enjoyed being at work today! She was the person who scanned the boarding pass on flight wn941. She should be recommended for a raise !

10.0 ExcellentGwen, Mar 2026
DAL - BNA
Read more Southwest reviews

Great flight. Good snacks and drinks. Grateful it was free. The flight from Nashville to louisville, i think her name was Tracy (not sure that's right) super awesome, nice and cheerful. She really enjoyed being at work today! She was the person who scanned the boarding pass on flight wn941. She should be recommended for a raise !

I liked it better when you were truer to your roots Am paying more for less fun

Southwest was greaat! The most expensive but the least upsetting for those we were flying to see.

I flew twice this week on Southwest, was delayed over 2 hours both ways. From Pittsburgh to Chicago it was due to weather but the gate agents, pilot etc were great at updating everyone. Today from Midway to Pittsburgh the plane had come from an international location, kept getting delayed, no information was given until we were delayed for the third time. It was ridiculous, whoever scheduled that plane to fly to Pittsburgh after didn’t consider a lot of things.

Boarding was easy. The seats are small and fairly uncomfortable

I was supposed to be on a later flight. When I showed up at the gate, the woman working there was extremely helpful getting moved up to this earlier flight.

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

I took seat 15A in anticipation of window seat, there is no window.

The first class flight attendant was awful to everyone. Very rude; no customer service. She should not be working in first class.

Snacks and included beverages were appreciated. Boarding went smoothly. Plenty of overhead bin space. Seats get very uncomfortable after a couple of hours. After waiting 10 painful minutes for my walker, a very nice Delta guest agent pushed me in a wheelchair to the gate. It was finally delivered to me after another 15 minutes . Our checked bag was on the carousel long b4 I was able to retrieve it. Fortunately it was still there but somewhere along the way the straps we used to secure it were removed and and were not reattached. Wish I had made note of the agents name.

It was fine. 55 minute flight. No snacks or beverage service offered. Boarding went smoothly and my walker was waiting for me on the jet way.

Smaller plane for a longer flight than my first one. Doesn’t make sense.

The cabin temperature was nice and cool. The wifi was not working.

Flight late, the waited for a long time for “personal” to arrive at gate to dock the plane in Rochester. So annoying. This flight was expected, why aren’t personel available for the jet bridge?

As previously noted, this flight was great: departure was timely, the crew was friendly and attentive, and wifi connectivity was seamless. In particular, I appreciated that the flight attendant just told me to stow the laptop right before takeoff/landing, and trusted me to do so (which I did!).

Kayak botched up the booking, i had to call delta and fix. In the process Delta failed to honor my comfort plus seat assignment that i had previously.

Entertainment is ok! Boarding and seat with zone is terrible. I paid for the seats but you didn’t give me what I paid for which is exit isles.

During landing. 2 crew members passed 3 times by my lane and didn't notice that people in front of us had their site to the furthermore reclined... That was uncomfortable and could have been dangerous.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

It’s always a great time flying with united airlines.

We got delayed three hours and nobody thought to have the bathroom fixed while we were sitting waiting to board? took a full hour to have maintenance come and check it off. Had to shut the bathroom down twice so that the pilots could go to the bathroom. Everyone missed their connections.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

As great a red-eye flight as red-eye flights can be.

Both of my flights arrived early and check in process was smooth

Everything was on time Will use united again for sure

The flight was delayed by two de-icings. The seatbelt did not work correctly. It did not stay tight.

Hotter than Hades in August. Why, why do crews think that in the winter when we are already dressed for cold weather we need a cabin that is 82 degrees. Even the vents were blowing hot air.

The flight attendant in business class was excellent! Professional, friendly and attentive.

Delays with no explanation. It could have been handled better.

Ceiling fell down and had to have maintenance come and duct tape it up. No WiFi on the flight.

A first class seat should fit a fat person, and this doesn't. The trays in the armrest are less functional than an ordinary tray in the back of the seat.

The flight attendant was friendly and efficient. The temperature was kept nice and cool. The plane was nice, but filthy. There were visible spills on my tray table. The gate agent was somewhat rude with her announcements and in speaking with other customers.

I appreciate that I finally got the seat I paid extra for this time. Thank you

I would have liked vegetarian and gluten free options for evening dinner time flight. I would have like a pillow on the international overnight flight . The veg wrap and oaten desert on the international flight was good

The experience at checkin for my American Airlines flight from Sacramento to LAX was very good including the assistance I received in getting my bags checked in and boarding passes printed. Was pleasantly surprised the my bags were checked through all the way to my destination at Clark International Airport in Angeles, Philippines.

Absolutely terrible. Would never fly American again. 2 deplaned incidents and delayed by close to 24 hours. $12 meal voucher for first class passengers was an insult to the injury. Pathetic.

Terrible planning. And even worse gate agents. Absolutely rude behavior.

Everything you need to know for your flight from Portland to Colorado

Information on your arrival and departure airports