What airlines fly to Colorado?

United Airlines, Frontier and Alaska Airlines are the top three most popular airlines that fly to Colorado from Oregon according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 8 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 Oregon to Colorado on average per week?

The number of flights available between Oregon and Colorado is 261 per week as of August 2026. The most frequent departure day is Sun, with 18% of weekly flights leaving on this day.

How long is the flight from Oregon to Colorado?

Flight times from Oregon to Colorado vary, but if you’re flying out of Medford and flying into Denver (one of the most popular routes), then the duration is 2h 25m on average. Another popular route from Oregon to Colorado is flying from Eugene to Denver, which will take roughly 2h 25m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

The number of flights available between Oregon and Colorado is 37 per day as of August 2026. The most frequent departure time is 12:00PM, with 58% of daily flights leaving in the afternoon.

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

Prices for flights from Oregon to Colorado are updated daily.

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

The number of operators available for flights from Oregon to Colorado is 8 as of August 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Colorado.

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

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$92 Cheap Flights from Oregon to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:50 pm - 11:44 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

8h 54m1 stop Las Vegas Harry Reid Intl

7:30 am - 1:55 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

6h 25m1 stop Las Vegas Harry Reid Intl

$178Frontier

Thu, Sep 17 - Mon, Sep 21

2:50 pm - 6:33 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

27h 43m1 stop Las Vegas Harry Reid Intl

1:05 pm - 1:55 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

24h 50m1 stop Las Vegas Harry Reid Intl

$193Frontier

Thu, Oct 1 - Wed, Oct 7

3:50 pm - 5:40 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

1h 50mnonstop

8:55 pm - 10:55 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

2h 00mnonstop

$197Southwest

Mon, Oct 19 - Thu, Oct 22

11:55 am - 1:50 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

1h 55mnonstop

9:05 pm - 11:05 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

2h 00mnonstop

$197Southwest

Thu, Jan 21 - Mon, Jan 25

11:12 am - 5:02 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

5h 50m1 stop Salt Lake City

10:45 am - 4:14 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

5h 29m1 stop Salt Lake City

$217Delta

Wed, Sep 16 - Sat, Sep 19

1:06 pm - 7:40 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

6h 34m1 stop Salt Lake City

5:30 am - 9:51 amDEN Denver Intl-BOI Boise Air Term. Gowen Fld

4h 21m1 stop Salt Lake City

$217Delta

Wed, Sep 16 - Tue, Sep 22

5:29 pm - 11:30 pmBOI Boise Air Term. Gowen Fld-DEN Denver Intl

6h 01m1 stop Phoenix Sky Harbor Intl

8:05 am - 1:22 pmDEN Denver Intl-BOI Boise Air Term. Gowen Fld

5h 17m1 stop Phoenix Sky Harbor Intl

$217American Airlines

Mon, Oct 19 - Tue, Oct 20

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

2h 10mnonstop

7:40 am - 9:34 amDEN Denver Intl-BOI Boise Air Term. Gowen Fld

1h 54mnonstop

$225United Airlines

Thu, Oct 1 - Mon, Oct 5

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

2h 10mnonstop

7:40 am - 9:34 amDEN Denver Intl-BOI Boise Air Term. Gowen Fld

1h 54mnonstop

$231United Airlines

Thu, Oct 1 - Wed, Oct 7

3:00 pm - 10:22 pmPDX Portland-DRO Durango La Plata County

6h 22m1 stop Phoenix Sky Harbor Intl

11:59 am - 5:54 pmDRO Durango La Plata County-PDX Portland

6h 55m1 stop Phoenix Sky Harbor Intl

$310American Airlines

Fri, Oct 23 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

6:17 pm - 9:05 amPDX Portland-DEN Denver Intl

13h 48m1 stop Las Vegas Harry Reid Intl

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

2h 43mnonstop

$270Frontier

Fri, Sep 4 - Fri, Oct 2

5:56 pm - 12:44 amPDX Portland-DEN Denver Intl

5h 48m1 stop Los Angeles

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

5h 06m1 stop Las Vegas Harry Reid Intl

$279Frontier

Sat, Sep 5 - Sat, Oct 3

5:56 pm - 12:44 amPDX Portland-DEN Denver Intl

5h 48m1 stop Los Angeles

3:06 pm - 4:50 pmDEN Denver Intl-PDX Portland

2h 44mnonstop

$319Multiple Airlines

Sat, Sep 5 - Sat, Oct 3

10:50 am - 5:53 pmPDX Portland-COS Colorado Springs

6h 03m1 stop Denver Intl

1:03 pm - 5:49 pmCOS Colorado Springs-PDX Portland

5h 46m1 stop Denver Intl

$337United Airlines

Sat, Sep 5 - Wed, Sep 9

10:50 am - 4:26 pmPDX Portland-COS Colorado Springs

4h 36m1 stop Denver Intl

11:30 am - 6:19 pmCOS Colorado Springs-PDX Portland

7h 49m2 stops Denver Intl San Francisco

$342United Airlines

Sat, Sep 5 - Wed, Sep 9

4:02 pm - 9:46 pmRDM Bend/Redmond-DEN Denver Intl

4h 44m1 stop Portland

5:41 pm - 11:58 pmDEN Denver Intl-RDM Bend/Redmond

7h 17m1 stop Seattle/Tacoma Intl

$354Alaska Airlines

Fri, Sep 4 - Fri, Sep 11

10:09 am - 6:10 pmRDM Bend/Redmond-DEN Denver Intl

7h 01m1 stop Seattle/Tacoma Intl

6:20 am - 12:53 pmDEN Denver Intl-RDM Bend/Redmond

7h 33m1 stop San Diego

$354Alaska Airlines

Wed, Sep 2 - Wed, Sep 9

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

2h 43mnonstop

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

2h 49mnonstop

$378Multiple Airlines

Sat, Sep 5 - Sat, Oct 3

3:00 pm - 9:14 pmPDX Portland-DRO Durango La Plata County

5h 14m1 stop Phoenix Sky Harbor Intl

7:21 pm - 11:12 pmDRO Durango La Plata County-PDX Portland

4h 51m1 stop Phoenix Sky Harbor Intl

$423American Airlines

Sat, Sep 5 - Thu, Sep 10

5:30 am - 5:56 pmRDM Bend/Redmond-DEN Denver Intl

11h 26m2 stops Phoenix Sky Harbor Intl Los Angeles

3:47 pm - 10:54 pmDEN Denver Intl-RDM Bend/Redmond

8h 07m1 stop Phoenix Sky Harbor Intl

$434American Airlines

Thu, Sep 3 - Sun, Sep 6

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Southwest flights from Oregon to Colorado

Our best Southwest deals on Oregon to Colorado flight tickets

Southwest

Oct 19

BOI3:50 pmBoise Air Term. Gowen Fld

1h 50m

DEN5:40 pmDenver Intl

Oct 24

DEN2:15 pmDenver Intl

2h 00m

BOI4:15 pmBoise Air Term. Gowen Fld

$197

Southwest

Oct 19

BOI3:50 pmBoise Air Term. Gowen Fld

1h 50m

DEN5:40 pmDenver Intl

Oct 24

DEN4:20 pmDenver Intl

6h 20m

1 stop

BOI10:40 pmBoise Air Term. Gowen Fld

$207

Southwest

Oct 19

BOI3:50 pmBoise Air Term. Gowen Fld

1h 50m

DEN5:40 pmDenver Intl

Oct 24

DEN7:55 amDenver Intl

7h 30m

2 stops

BOI3:25 pmBoise Air Term. Gowen Fld

$212

United Airlines flights from Oregon to Colorado

Our best United Airlines deals on Oregon to Colorado flight tickets

United Airlines

Sep 23

EUG5:00 amEugene

2h 40m

DEN8:40 amDenver Intl

Sep 29

DEN11:32 amDenver Intl

2h 40m

EUG1:12 pmEugene

$237

United Airlines

Sep 23

EUG1:57 pmEugene

7h 10m

1 stop

DEN10:07 pmDenver Intl

Sep 29

DEN11:32 amDenver Intl

2h 40m

EUG1:12 pmEugene

$247

United Airlines

Nov 6

EUG4:30 pmEugene

6h 29m

1 stop

DEN11:59 pmDenver Intl

Nov 11

DEN11:32 amDenver Intl

2h 53m

EUG1:25 pmEugene

$281

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Thu 9/17

2:50 pm-11:44 pm

1 stop8h 54m

Denver Intl

Mon 9/21

7:30 am-1:55 pm

1 stop6h 25m

$178

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Thu 10/1

2:50 pm-6:33 pm

1 stop27h 43m

Denver Intl

Wed 10/7

1:05 pm-1:55 pm

1 stop24h 50m

$193

Quickest round-trip

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Mon 10/19

3:50 pm-5:40 pm

Nonstop1h 50m

Denver Intl

Thu 10/22

8:55 pm-10:55 pm

Nonstop2h 00m

$197

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Thu 1/21

11:55 am-1:50 pm

Nonstop1h 55m

Denver Intl

Mon 1/25

9:05 pm-11:05 pm

Nonstop2h 00m

$197

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Wed 9/16

11:12 am-5:02 pm

1 stop5h 50m

Denver Intl

Sat 9/19

10:45 am-4:14 pm

1 stop5h 29m

$217

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Wed 9/16

1:06 pm-7:40 pm

1 stop6h 34m

Denver Intl

Tue 9/22

5:30 am-9:51 am

1 stop4h 21m

$217

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Mon 10/19

5:29 pm-11:30 pm

1 stop6h 01m

Denver Intl

Tue 10/20

8:05 am-1:22 pm

1 stop5h 17m

$217

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Thu 10/1

5:00 am-7:10 am

Nonstop2h 10m

Denver Intl

Mon 10/5

7:40 am-9:34 am

Nonstop1h 54m

$225

BoiseDenver

BOI Boise Air Term. Gowen Fld - DEN Denver Intl

BOIDEN

Boise Air Term. Gowen Fld

Thu 10/1

5:00 am-7:10 am

Nonstop2h 10m

Denver Intl

Wed 10/7

7:40 am-9:34 am

Nonstop1h 54m

$231

PortlandDurango

PDX Portland - DRO Durango La Plata County

PDXDRO

Portland

Fri 10/23

3:00 pm-10:22 pm

1 stop6h 22m

Durango La Plata County

Tue 11/10

11:59 am-5:54 pm

1 stop6h 55m

$310

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 Oregon 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 October is, on average, the cheapest month to fly to Colorado from Oregon, with most prices found around $262. The month of January is another great option to travel to Colorado, with average flight prices from Oregon averaging around $266.

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

The cheapest day to depart from Oregon to Colorado is on a Friday when prices can be found for as low as $357. On the other hand, Monday is the most expensive day to depart from Oregon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $447.

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 $332. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $398 per ticket.

What is the cheapest Oregon to Colorado flight route?

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

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

You are more likely to see cheaper flights to Colorado from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $255 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Oregon for as low as $223 on momondo.

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

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

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

Cheap Oregon to Colorado flight deals and tips

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

Best Price Found	$92
Fastest flight time	1h 53m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Oregon in the past 72 hours is $92. The best round-trip flight deal from Oregon to Colorado found on momondo in the last 72 hours is $178.

The fastest flight from Oregon to Colorado takes 1h 53m

Direct flights go from Oregon to Colorado every day.

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

Search flight deals

Frequently asked questions about flying from Oregon to Colorado

When did momondo last update prices for flights from Oregon to Colorado?
Prices for flights from Oregon to Colorado are updated daily.
How many operators does momondo search for flights from Oregon to Colorado?
The number of operators available for flights from Oregon to Colorado is 8 as of August 2026.
How old do you have to be to fly from Oregon to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Oregon to Colorado?
momondo data reveals that the most frequently booked plane model on the route from Oregon to Colorado is Boeing 737-800 Passenger/BBJ2 (winglets), representing 16.80% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 14.95%, Airbus A320-100/200 at 12.89%, and Boeing 737-900 at 11.04%.

Best airlines flying from Oregon to Colorado

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $56	Free Cancellation	Rating 5.6 2,635 reviews	Search Frontier flights
Delta	PriceFrom $88	Free Cancellation	Rating 7.8 8,536 reviews	Search Delta flights
JetBlue	PriceFrom $126	Free Cancellation	Rating 7.1 3,034 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $141	Free Cancellation	Rating 7.9 12,865 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,199 reviews	Search Southwest flights
United Airlines	PriceFrom $150	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $173	Free Cancellation	Rating 7.8 2,816 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.1 12,021 reviews	Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oregon to Colorado. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Oregon to Colorado flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Oregon.

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

Yes. momondo can track prices for Oregon to Colorado flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular cities in Colorado

Flights to New Yorkfrom $70

Flights to Los Angelesfrom $44

Flights to Orlandofrom $58

Flights to Miamifrom $74

Flights to San Franciscofrom $38

Flights to Chicagofrom $50

Flights to Las Vegasfrom $45

Flights to Washington, D.C.from $57

Flights to Bostonfrom $80

Flights to Fort Lauderdalefrom $50

Flights to Atlantafrom $43

Flights to Dallasfrom $53

Cheap flights from Oregon to Colorado from $92

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Colorado departing on 10/26. 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 Oregon to Colorado

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Southwest flights from Oregon to Colorado

Our best Southwest deals on Oregon to Colorado flight tickets

United Airlines flights from Oregon to Colorado

Our best United Airlines deals on Oregon to Colorado flight tickets

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

See travel insights to Colorado from

How to get the cheapest flight ticket from Oregon 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 Oregon to Colorado flight route?

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

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

Can stopping save me money on Oregon to Colorado flights?

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

What airlines fly to Colorado?

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

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

How long is the flight from Oregon to Colorado?

Cheap Oregon to Colorado flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Oregon to Colorado

Best airlines flying from Oregon to Colorado

Compare and see reviews for airlines that fly from Oregon 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

Oregon flight routes

According to popular flight searches on momondo this year

Colorado flight routes

According to popular flight searches on momondo this year

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