How many flights depart from Portland to Colorado on average per day?

11 flights are operational daily from Portland to Colorado as of September 2026. The most popular departure time for this route is 12:00PM, with 53% of flights per day taking off in the afternoon.

What airlines fly to Colorado?

United Airlines, Frontier and Alaska Airlines are the top three most popular airlines that fly to Colorado from Portland according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How many flights depart from Portland to Colorado on average per week?

As of September 2026, 78 flights take off from Portland and land in Colorado each week. The most common flight departure day for this route is Mon, with 23% of weekly flights taking off on this day.

What is the cheapest airline that flies from Portland to Colorado?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Portland to Colorado

When did momondo last update prices for flights from Portland Airport to Colorado?

Prices for flights from Portland Airport to Colorado are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Colorado?

As of September 2026, there are 7 operators available to choose from for flights from Portland Airport to Colorado.

How old do you have to be to fly from Portland Airport to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$107 Cheap Flights from Portland to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:35 pm - 8:07 pmPDX Portland-DEN Denver Intl

2h 32mnonstop

1:40 pm - 3:40 pmDEN Denver Intl-PDX Portland

3h 00mnonstop

$144Frontier

Thu, Dec 3 - Tue, Dec 8

11:06 am - 6:01 pmPDX Portland-DEN Denver Intl

5h 55m1 stop Los Angeles

9:00 am - 10:54 amDEN Denver Intl-PDX Portland

2h 54mnonstop

$183Frontier

Thu, Oct 8 - Tue, Oct 13

10:49 am - 2:32 pmPDX Portland-DEN Denver Intl

2h 43mnonstop

9:00 am - 10:54 amDEN Denver Intl-PDX Portland

2h 54mnonstop

$186Multiple Airlines

Sat, Oct 10 - Tue, Oct 13

2:48 pm - 6:25 pmPDX Portland-DEN Denver Intl

2h 37mnonstop

9:00 am - 10:54 amDEN Denver Intl-PDX Portland

2h 54mnonstop

$188Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

6:55 pm - 10:29 pmPDX Portland-DEN Denver Intl

2h 34mnonstop

7:45 am - 9:28 amDEN Denver Intl-PDX Portland

2h 43mnonstop

$225United Airlines

Wed, Oct 14 - Wed, Oct 21

10:43 am - 2:23 pmPDX Portland-DEN Denver Intl

2h 40mnonstop

7:25 pm - 9:10 pmDEN Denver Intl-PDX Portland

2h 45mnonstop

$225United Airlines

Wed, Oct 21 - Sat, Oct 24

2:48 pm - 6:25 pmPDX Portland-DEN Denver Intl

2h 37mnonstop

7:53 am - 9:42 amDEN Denver Intl-PDX Portland

2h 49mnonstop

$225Alaska Airlines

Wed, Oct 7 - Wed, Oct 14

10:49 am - 2:32 pmPDX Portland-DEN Denver Intl

2h 43mnonstop

7:33 am - 9:30 amDEN Denver Intl-PDX Portland

2h 57mnonstop

$225Alaska Airlines

Wed, Oct 28 - Wed, Nov 4

9:50 am - 1:10 pmPDX Portland-DEN Denver Intl

2h 20mnonstop

7:35 pm - 9:30 pmDEN Denver Intl-PDX Portland

2h 55mnonstop

$227Southwest

Sat, Nov 7 - Sat, Nov 7

10:50 am - 2:15 pmPDX Portland-DEN Denver Intl

2h 25mnonstop

2:45 pm - 4:25 pmDEN Denver Intl-PDX Portland

2h 40mnonstop

$227Southwest

Sat, Jan 16 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

12:38 pm - 4:18 pmPDX Portland-DEN Denver Intl

2h 40mnonstop

10:00 am - 11:43 amDEN Denver Intl-PDX Portland

2h 43mnonstop

$246Frontier

Thu, Sep 17 - Sun, Sep 20

12:24 pm - 10:07 amPDX Portland-DEN Denver Intl

20h 43m1 stop Las Vegas Harry Reid Intl

1:10 pm - 10:11 amDEN Denver Intl-PDX Portland

22h 01m1 stop Los Angeles

$315Frontier

Sat, Sep 19 - Sat, Oct 17

12:24 pm - 10:07 amPDX Portland-DEN Denver Intl

20h 43m1 stop Las Vegas Harry Reid Intl

7:53 am - 9:42 amDEN Denver Intl-PDX Portland

2h 49mnonstop

$324Multiple Airlines

Sat, Sep 19 - Sat, Oct 17

11:02 am - 5:59 pmPDX Portland-DEN Denver Intl

5h 57m1 stop Los Angeles

7:53 am - 9:42 amDEN Denver Intl-PDX Portland

2h 49mnonstop

$328Multiple Airlines

Thu, Sep 17 - Wed, Oct 14

12:40 pm - 4:05 pmPDX Portland-DEN Denver Intl

2h 25mnonstop

4:40 pm - 6:30 pmDEN Denver Intl-PDX Portland

2h 50mnonstop

$422Southwest

Sat, Sep 19 - Sat, Oct 17

3:00 pm - 9:22 pmPDX Portland-GJT Grand Junction Regnl

5h 22m1 stop Phoenix Sky Harbor Intl

8:20 am - 1:35 pmGJT Grand Junction Regnl-PDX Portland

6h 15m1 stop Phoenix Sky Harbor Intl

$424American Airlines

Thu, Sep 17 - Sat, Sep 19

5:10 pm - 9:57 pmPDX Portland-GJT Grand Junction Regnl

3h 47m1 stop Salt Lake City

7:41 am - 12:15 pmGJT Grand Junction Regnl-PDX Portland

5h 34m1 stop Salt Lake City

$444Delta

Fri, Sep 18 - Mon, Sep 21

5:10 am - 11:27 amPDX Portland-GJT Grand Junction Regnl

5h 17m1 stop Phoenix Sky Harbor Intl

8:20 am - 1:35 pmGJT Grand Junction Regnl-PDX Portland

6h 15m1 stop Phoenix Sky Harbor Intl

$444American Airlines

Thu, Sep 17 - Sat, Sep 19

11:40 am - 6:45 pmPDX Portland-DEN Denver Intl

6h 05m1 stop Kansas City

12:30 pm - 9:45 pmDEN Denver Intl-PDX Portland

10h 15m2 stops Cincinnati Cinci./N. Kentucky Chicago Midway

$447Southwest

Sat, Sep 19 - Sat, Oct 17

6:08 am - 6:18 pmPDX Portland-GJT Grand Junction Regnl

11h 10m2 stops Los Angeles Salt Lake City

7:41 am - 12:15 pmGJT Grand Junction Regnl-PDX Portland

5h 34m1 stop Salt Lake City

$449Delta

Fri, Sep 18 - Mon, Sep 21

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Frontier flights from Portland to Colorado

Our best Frontier deals on Portland to Colorado flight tickets

Frontier

Dec 3

PDX4:35 pmPortland

2h 32m

DEN8:07 pmDenver Intl

Dec 8

DEN1:40 pmDenver Intl

3h 00m

PDX3:40 pmPortland

$144

Frontier

Oct 8

PDX11:06 amPortland

5h 55m

1 stop

DEN6:01 pmDenver Intl

Oct 13

DEN9:00 amDenver Intl

2h 54m

PDX10:54 amPortland

$183

Frontier

Nov 12

PDX12:02 pmPortland

2h 33m

DEN3:35 pmDenver Intl

Nov 17

DEN9:10 amDenver Intl

2h 57m

PDX11:07 amPortland

$187

Southwest flights from Portland to Colorado

Our best Southwest deals on Portland to Colorado flight tickets

Southwest

Oct 24

PDX2:40 pmPortland

6h 40m

1 stop

COS10:20 pmColorado Springs

Oct 27

COS5:45 pmColorado Springs

5h 35m

1 stop

PDX10:20 pmPortland

$234

Southwest

Oct 7

PDX6:50 amPortland

5h 30m

1 stop

DEN1:20 pmDenver Intl

Oct 13

DEN8:25 pmDenver Intl

2h 50m

PDX10:15 pmPortland

$237

Southwest

Oct 24

PDX2:40 pmPortland

6h 40m

1 stop

COS10:20 pmColorado Springs

Oct 27

COS6:30 amColorado Springs

8h 00m

2 stops

PDX1:30 pmPortland

$239

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Thu 12/3

4:35 pm-8:07 pm

Nonstop2h 32m

Denver Intl

Tue 12/8

1:40 pm-3:40 pm

Nonstop3h 00m

$144

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Thu 10/8

11:06 am-6:01 pm

1 stop5h 55m

Denver Intl

Tue 10/13

9:00 am-10:54 am

Nonstop2h 54m

$183

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Sat 10/10

10:49 am-2:32 pm

Nonstop2h 43m

Denver Intl

Tue 10/13

9:00 am-10:54 am

Nonstop2h 54m

$186

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Wed 10/7

2:48 pm-6:25 pm

Nonstop2h 37m

Denver Intl

Tue 10/13

9:00 am-10:54 am

Nonstop2h 54m

$188

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Wed 10/14

6:55 pm-10:29 pm

Nonstop2h 34m

Denver Intl

Wed 10/21

7:45 am-9:28 am

Nonstop2h 43m

$225

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Wed 10/21

10:43 am-2:23 pm

Nonstop2h 40m

Denver Intl

Sat 10/24

7:25 pm-9:10 pm

Nonstop2h 45m

$225

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Wed 10/7

2:48 pm-6:25 pm

Nonstop2h 37m

Denver Intl

Wed 10/14

7:53 am-9:42 am

Nonstop2h 49m

$225

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Wed 10/28

10:49 am-2:32 pm

Nonstop2h 43m

Denver Intl

Wed 11/4

7:33 am-9:30 am

Nonstop2h 57m

$225

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Sat 11/7

9:50 am-1:10 pm

Nonstop2h 20m

Denver Intl

Sat 11/7

7:35 pm-9:30 pm

Nonstop2h 55m

$227

Quickest round-trip

PortlandDenver

PDX Portland - DEN Denver Intl

PDXDEN

Portland

Sat 1/16

10:50 am-2:15 pm

Nonstop2h 25m

Denver Intl

Tue 1/19

2:45 pm-4:25 pm

Nonstop2h 40m

$227

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of January is, on average, the cheapest month to fly to Colorado from Portland, with most prices found around $234. The month of April is another great option to travel to Colorado, with average flight prices from Portland averaging around $243.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Portland to Colorado is on a Thursday when prices can be found for as low as $371. On the other hand, Monday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $465.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the afternoon when flights can be purchased for as low as $335. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $406 per ticket.

What is the cheapest Portland to Colorado flight route?

Fly from Portland to Denver Intl for the best Portland - Colorado flight prices

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

You are more likely to see cheaper flights to Colorado from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $259 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Portland for as low as $224 on momondo.

What cabin class options are available on Portland to Colorado flights?

There are 4 cabin classes available to choose from on Portland to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to Colorado flights?

No. A direct flight is the cheapest option for a flight between Portland to Colorado.

Cheap Portland to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Colorado

Best Price Found	$107
Fastest flight time	2h 25m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Portland in the past 72 hours is $107. The best round-trip flight deal from Portland to Colorado found on momondo in the last 72 hours is $144.

The fastest flight from Portland to Colorado takes 2h 25m

Direct flights go from Portland to Colorado every day.

There are 87 airports in Colorado. From Portland there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Portland to Colorado

When did momondo last update prices for flights from Portland Airport to Colorado?
Prices for flights from Portland Airport to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Colorado?
As of September 2026, there are 7 operators available to choose from for flights from Portland Airport to Colorado.
How old do you have to be to fly from Portland Airport to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Portland to Colorado?
momondo data reveals that the most frequently booked plane model on the route from Portland to Colorado is Boeing 737-800 Passenger/BBJ2 (winglets), representing 18.96% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 16.19%, Airbus A320-100/200 at 11.35%, and Airbus A321neo at 10.81%.

Best airlines flying from Portland to Colorado

Compare and see reviews for airlines that fly from Portland to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $55	Free Cancellation	Rating 5.6 2,601 reviews	Search Frontier flights
Delta	PriceFrom $88	Free Cancellation	Rating 7.8 8,569 reviews	Search Delta flights
JetBlue	PriceFrom $126	Free Cancellation	Rating 7.1 3,038 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $141	Free Cancellation	Rating 7.9 12,930 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,189 reviews	Search Southwest flights
United Airlines	PriceFrom $150	Free Cancellation	Rating 7.4 10,216 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 12,062 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Colorado?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Colorado. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Colorado with flexible booking policies on momondo?

Flights from Portland to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Colorado?

momondo provides multiple filters to help you find the best flight to Colorado from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Colorado right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 10/16

Fri 10/23

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Colorado

Popular cities

Other flights from Portland

Other flights to Colorado

Airlines

Complete your trip

Feeling lucky

Popular cities in Colorado

Flights to New Yorkfrom $68

Flights to Los Angelesfrom $50

Flights to Orlandofrom $54

Flights to Miamifrom $79

Flights to San Franciscofrom $41

Flights to Chicagofrom $58

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $60

Flights to Bostonfrom $92

Flights to Fort Lauderdalefrom $59

Flights to Atlantafrom $48

Flights to Dallasfrom $80

Cheap flights from Portland to Colorado from $107

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Colorado departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from Portland to Colorado

Our best Frontier deals on Portland to Colorado flight tickets

Southwest flights from Portland to Colorado

Our best Southwest deals on Portland to Colorado flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Colorado that are best for you.

See travel insights to Colorado from

How to get the cheapest flight ticket from Portland to Colorado

What is the cheapest month to fly to Colorado?

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

What is the cheapest Portland to Colorado flight route?

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

What cabin class options are available on Portland to Colorado flights?

Can stopping save me money on Portland to Colorado flights?

What is the cheapest airline that flies from Portland to Colorado?

What airlines fly to Colorado?

How many flights depart from Portland to Colorado on average per day?

How many flights depart from Portland to Colorado on average per week?

Cheap Portland to Colorado flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Portland to Colorado

Best airlines flying from Portland to Colorado

Compare and see reviews for airlines that fly from Portland to Colorado with momondo

Why use momondo?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

Colorado flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Colorado

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Colorado

Explore popular destinations other users love

According to popular flight searches on momondo this year