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

United Airlines, Southwest, and Delta are the most popular carriers operating from Colorado to Oregon

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

79 flights are operational weekly from Colorado to Oregon as of August 2026. The most popular departure day for this route is Mon, with 62% of flights per week taking off on this day.

How long is the flight from Colorado to Oregon?

Flight times from Colorado to Oregon vary, but if you’re flying out of Denver and flying into Portland (one of the most popular routes), then the duration is 2h 40m on average. Another popular route from Colorado to Oregon is flying from Colorado Springs to Portland, which will take roughly 4h 28m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Oregon?

United Airlines, Frontier and Alaska Airlines are the top three most popular airlines that fly to Oregon from Colorado according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 7 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

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

As of August 2026, 11 flights take off from Colorado and land in Oregon each day. The most common flight departure time for this route is 7:00PM, with 36% of daily flights taking off at noon.

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

Prices for flights from Colorado to Oregon are updated daily.

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

As of August 2026, there are 7 operators available to choose from for flights from Colorado to Oregon.

How old do you have to be to fly from Colorado to Oregon?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Oregon.

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

The required travel and health documents for your Oregon trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$54 Cheap Flights from Colorado to Oregon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Oregon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:28 pm - 5:11 pmDEN Denver Intl-PDX Portland

2h 43mnonstop

12:20 pm - 4:03 pmPDX Portland-DEN Denver Intl

2h 43mnonstop

$193Frontier

Wed, Sep 2 - Sun, Sep 6

3:28 pm - 5:11 pmDEN Denver Intl-PDX Portland

2h 43mnonstop

12:20 pm - 4:03 pmPDX Portland-DEN Denver Intl

2h 43mnonstop

$193Frontier

Sat, Aug 29 - Sun, Sep 6

4:00 pm - 5:58 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

1h 58mnonstop

5:00 am - 7:10 amBOI Boise Air Term. Gowen Fld-DEN Denver Intl

2h 10mnonstop

$195United Airlines

Thu, Sep 3 - Mon, Sep 7

7:08 pm - 8:50 pmDEN Denver Intl-PDX Portland

2h 42mnonstop

5:58 pm - 9:46 pmPDX Portland-DEN Denver Intl

2h 48mnonstop

$195Alaska Airlines

Thu, Sep 17 - Mon, Sep 21

7:40 am - 9:35 amDEN Denver Intl-BOI Boise Air Term. Gowen Fld

1h 55mnonstop

5:40 pm - 7:41 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

2h 01mnonstop

$196United Airlines

Tue, Sep 8 - Fri, Sep 11

7:30 am - 11:36 amDEN Denver Intl-PDX Portland

5h 06m1 stop Las Vegas Harry Reid Intl

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

2h 37mnonstop

$196Multiple Airlines

Sat, Oct 3 - Tue, Oct 6

1:35 pm - 3:30 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

1h 55mnonstop

2:55 pm - 4:45 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

1h 50mnonstop

$197Southwest

Sat, Sep 5 - Fri, Sep 11

5:34 pm - 11:44 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

6h 10m1 stop Seattle/Tacoma Intl

12:24 pm - 2:30 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

2h 06mnonstop

$198Multiple Airlines

Tue, Sep 1 - Sun, Sep 6

7:02 pm - 8:50 pmDEN Denver Intl-PDX Portland

2h 48mnonstop

2:34 pm - 6:12 pmPDX Portland-DEN Denver Intl

2h 38mnonstop

$201Alaska Airlines

Wed, Dec 2 - Tue, Dec 8

8:50 am - 10:35 amDEN Denver Intl-PDX Portland

2h 45mnonstop

10:10 am - 1:35 pmPDX Portland-DEN Denver Intl

2h 25mnonstop

$201Southwest

Tue, Oct 27 - Wed, Nov 4

Cheap last minute flights

Enter your travel dates to find the best prices.

3:08 pm - 4:51 pmDEN Denver Intl-PDX Portland

2h 43mnonstop

5:56 pm - 9:39 pmPDX Portland-DEN Denver Intl

2h 43mnonstop

$268Frontier

Sat, Aug 15 - Wed, Aug 26

3:08 pm - 4:51 pmDEN Denver Intl-PDX Portland

2h 43mnonstop

5:56 pm - 9:39 pmPDX Portland-DEN Denver Intl

2h 43mnonstop

$268Frontier

Sun, Aug 16 - Wed, Aug 26

7:00 am - 11:35 amDEN Denver Intl-PDX Portland

5h 35m1 stop Los Angeles Los Angeles

3:00 pm - 11:16 pmPDX Portland-DEN Denver Intl

7h 16m1 stop Seattle/Tacoma Intl

$384Multiple Airlines

Sun, Aug 16 - Wed, Aug 19

10:39 pm - 11:35 amDEN Denver Intl-PDX Portland

13h 56m1 stop Los Angeles Los Angeles

9:15 am - 7:26 pmPDX Portland-DEN Denver Intl

9h 11m1 stop San Diego

$390Multiple Airlines

Fri, Aug 14 - Wed, Aug 19

7:35 pm - 9:11 pmDEN Denver Intl-RDM Bend/Redmond

2h 36mnonstop

2:43 pm - 11:42 pmRDM Bend/Redmond-DEN Denver Intl

7h 59m1 stop San Francisco

$399United Airlines

Fri, Aug 14 - Mon, Aug 17

3:50 pm - 8:50 pmDEN Denver Intl-RDM Bend/Redmond

6h 00m1 stop San Francisco

2:43 pm - 11:42 pmRDM Bend/Redmond-DEN Denver Intl

7h 59m1 stop San Francisco

$409United Airlines

Fri, Aug 14 - Mon, Aug 17

6:53 pm - 11:59 pmGJT Grand Junction Regnl-BOI Boise Air Term. Gowen Fld

5h 06m1 stop Salt Lake City

5:15 pm - 9:56 pmBOI Boise Air Term. Gowen Fld-GJT Grand Junction Regnl

4h 41m1 stop Salt Lake City

$409Delta

Thu, Aug 13 - Sat, Aug 15

6:53 pm - 11:59 pmGJT Grand Junction Regnl-BOI Boise Air Term. Gowen Fld

5h 06m1 stop Salt Lake City

5:15 pm - 9:56 pmBOI Boise Air Term. Gowen Fld-GJT Grand Junction Regnl

4h 41m1 stop Salt Lake City

$424Delta

Thu, Aug 13 - Sat, Aug 15

8:40 am - 3:26 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

6h 46m1 stop Seattle/Tacoma Intl

4:17 pm - 11:16 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

6h 59m1 stop Seattle/Tacoma Intl

$461Alaska Airlines

Fri, Aug 14 - Fri, Aug 21

8:00 am - 3:18 pmDEN Denver Intl-EUG Eugene

8h 18m1 stop Portland

3:08 pm - 11:16 pmEUG Eugene-DEN Denver Intl

7h 08m1 stop Seattle/Tacoma Intl

$480Alaska Airlines

Sat, Aug 15 - Mon, Aug 24

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Delta flights from Colorado to Oregon

Our best Delta deals on Colorado to Oregon flight tickets

Delta

Sep 5

DEN7:05 amDenver Intl

5h 09m

1 stop

BOI12:14 pmBoise Air Term. Gowen Fld

Sep 6

BOI10:58 amBoise Air Term. Gowen Fld

4h 04m

1 stop

DEN3:02 pmDenver Intl

$216

Delta

Sep 5

DEN7:05 amDenver Intl

5h 09m

1 stop

BOI12:14 pmBoise Air Term. Gowen Fld

Sep 6

BOI6:00 amBoise Air Term. Gowen Fld

6h 04m

1 stop

DEN12:04 pmDenver Intl

$217

Delta

Sep 17

DEN5:30 amDenver Intl

4h 11m

1 stop

PDX8:41 amPortland

Sep 21

PDX5:49 pmPortland

4h 58m

1 stop

DEN11:47 pmDenver Intl

$221

United Airlines flights from Colorado to Oregon

Our best United Airlines deals on Colorado to Oregon flight tickets

United Airlines

Sep 3

DEN4:00 pmDenver Intl

1h 58m

BOI5:58 pmBoise Air Term. Gowen Fld

Sep 7

BOI5:00 amBoise Air Term. Gowen Fld

2h 10m

DEN7:10 amDenver Intl

$195

United Airlines

Sep 8

DEN7:40 amDenver Intl

1h 55m

BOI9:35 amBoise Air Term. Gowen Fld

Sep 11

BOI5:40 pmBoise Air Term. Gowen Fld

2h 01m

DEN7:41 pmDenver Intl

$196

United Airlines

Sep 5

DEN7:37 pmDenver Intl

2h 00m

BOI9:37 pmBoise Air Term. Gowen Fld

Sep 6

BOI6:30 amBoise Air Term. Gowen Fld

2h 01m

DEN8:31 amDenver Intl

$197

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPortland

DEN Denver Intl - PDX Portland

DENPDX

Denver Intl

Wed 9/2

3:28 pm-5:11 pm

Nonstop2h 43m

Portland

Sun 9/6

12:20 pm-4:03 pm

Nonstop2h 43m

$193

DenverPortland

DEN Denver Intl - PDX Portland

DENPDX

Denver Intl

Sat 8/29

3:28 pm-5:11 pm

Nonstop2h 43m

Portland

Sun 9/6

12:20 pm-4:03 pm

Nonstop2h 43m

$193

DenverBoise

DEN Denver Intl - BOI Boise Air Term. Gowen Fld

DENBOI

Denver Intl

Thu 9/3

4:00 pm-5:58 pm

Nonstop1h 58m

Boise Air Term. Gowen Fld

Mon 9/7

5:00 am-7:10 am

Nonstop2h 10m

$195

DenverPortland

DEN Denver Intl - PDX Portland

DENPDX

Denver Intl

Thu 9/17

7:08 pm-8:50 pm

Nonstop2h 42m

Portland

Mon 9/21

5:58 pm-9:46 pm

Nonstop2h 48m

$195

DenverBoise

DEN Denver Intl - BOI Boise Air Term. Gowen Fld

DENBOI

Denver Intl

Tue 9/8

7:40 am-9:35 am

Nonstop1h 55m

Boise Air Term. Gowen Fld

Fri 9/11

5:40 pm-7:41 pm

Nonstop2h 01m

$196

DenverPortland

DEN Denver Intl - PDX Portland

DENPDX

Denver Intl

Sat 10/3

7:30 am-11:36 am

1 stop5h 06m

Portland

Tue 10/6

2:48 pm-6:25 pm

Nonstop2h 37m

$196

Quickest round-trip

DenverBoise

DEN Denver Intl - BOI Boise Air Term. Gowen Fld

DENBOI

Denver Intl

Sat 9/5

1:35 pm-3:30 pm

Nonstop1h 55m

Boise Air Term. Gowen Fld

Fri 9/11

2:55 pm-4:45 pm

Nonstop1h 50m

$197

DenverBoise

DEN Denver Intl - BOI Boise Air Term. Gowen Fld

DENBOI

Denver Intl

Tue 9/1

5:34 pm-11:44 pm

1 stop6h 10m

Boise Air Term. Gowen Fld

Sun 9/6

12:24 pm-2:30 pm

Nonstop2h 06m

$198

DenverPortland

DEN Denver Intl - PDX Portland

DENPDX

Denver Intl

Wed 12/2

7:02 pm-8:50 pm

Nonstop2h 48m

Portland

Tue 12/8

2:34 pm-6:12 pm

Nonstop2h 38m

$201

DenverPortland

DEN Denver Intl - PDX Portland

DENPDX

Denver Intl

Tue 10/27

8:50 am-10:35 am

Nonstop2h 45m

Portland

Wed 11/4

10:10 am-1:35 pm

Nonstop2h 25m

$201

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 Colorado to Oregon

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 Oregon?

The month of January is, on average, the cheapest month to fly to Oregon from Colorado, with most prices found around $230. The month of October is another great option to travel to Oregon, with average flight prices from Colorado averaging around $248.

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

On average, the least expensive day to fly to Oregon from Colorado is on a Saturday. momondo users have found tickets for Saturday departures for as low as $235. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Monday, with ticket prices averaging around $320.

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

According to our data, the cheapest time of day to fly to Oregon is in the afternoon. momondo users have found flights departing from Colorado to Oregon in the afternoon for as low as $258. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly at noon, with an average ticket price of $291. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Colorado to Oregon flight route?

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

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

You are more likely to see cheaper flights to Oregon from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $244 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Colorado for as low as $170 on momondo.

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

There are 4 cabin classes available to choose from on Colorado to Oregon 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 Colorado to Oregon flights?

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

Cheap Colorado to Oregon flight deals and tips

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

Best Price Found	$144
Fastest flight time	1h 50m
Direct flights	Every day
Airports in Oregon	64 airports

The best one-way flight to Oregon from Colorado in the past 72 hours is $144. The best round-trip flight deal from Colorado to Oregon found on momondo in the last 72 hours is $235.

The fastest flight from Colorado to Oregon takes 1h 50m

Direct flights go from Colorado to Oregon every day.

There are 64 airports in Oregon. From Colorado there are direct flights to Boise Air Term. Gowen Fld (BOI).

Search flight deals

Frequently asked questions about flying from Colorado to Oregon

When did momondo last update prices for flights from Colorado to Oregon?
Prices for flights from Colorado to Oregon are updated daily.
How many operators does momondo search for flights from Colorado to Oregon?
As of August 2026, there are 7 operators available to choose from for flights from Colorado to Oregon.
How old do you have to be to fly from Colorado to Oregon?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Oregon.
What documentation or ID do you need to fly to Oregon?
The required travel and health documents for your Oregon trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to Oregon?
Based on momondo bookings for flights between Colorado and Oregon, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 15.53% of the total bookings. Other popular models include Airbus A320-100/200 with 15.18%, Boeing 737 MAX 8 with 14.50%, and Boeing 737-900 with 12.19%.

Best airlines flying from Colorado to Oregon

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $56	Free Cancellation	Rating 5.6 2,703 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $136	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,220 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $147	Free Cancellation	Rating 7.9 12,795 reviews	Search Alaska Airlines flights
Delta	PriceFrom $157	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
American Airlines	PriceFrom $210	Free Cancellation	Rating 7.1 11,904 reviews	Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Oregon for you.

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

Flights from Colorado to Oregon 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 Colorado to Oregon?

Once you have performed a search for Colorado to Oregon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Colorado to Oregon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oregon and let you know when they change.

An easier way to manage your Oregon trip

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Popular cities in Oregon

Flights to New Yorkfrom $69

Flights to Los Angelesfrom $59

Flights to Orlandofrom $58

Flights to Miamifrom $64

Flights to Chicagofrom $62

Flights to San Franciscofrom $60

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $73

Flights to Bostonfrom $62

Flights to Atlantafrom $46

Flights to Fort Lauderdalefrom $51

Flights to Dallasfrom $63

Cheap flights from Colorado to Oregon from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Oregon departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Colorado to Oregon

Our best Delta deals on Colorado to Oregon flight tickets

United Airlines flights from Colorado to Oregon

Our best United Airlines deals on Colorado to Oregon flight tickets

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See travel insights to Oregon from

How to get the cheapest flight ticket from Colorado to Oregon

What is the cheapest month to fly to Oregon?

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

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

What is the cheapest Colorado to Oregon flight route?

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

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

Can stopping save me money on Colorado to Oregon flights?

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

What airlines fly to Oregon?

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

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

How long is the flight from Colorado to Oregon?

Cheap Colorado to Oregon flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Oregon

Frequently asked questions about flying from Colorado to Oregon

Best airlines flying from Colorado to Oregon

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

Why use momondo?

An easier way to manage your Oregon 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 Oregon

Popular cities in Oregon

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

Colorado flight routes

According to popular flight searches on momondo this year

Oregon flight routes

According to popular flight searches on momondo this year

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