How popular is this Colorado to Portland flight route?

This flight path from Colorado to Portland was viewed by 44 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from Colorado to Portland one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $67. Hawaiian Airlines flights start at $88 while deals on Delta start at $89 one-way.

What are the most popular routes from Colorado to Portland?

The most popular flight routes from Colorado to Portland are Denver Intl - Portland, Colorado Springs - Portland and Grand Junction Regnl - Portland.

What are the cheapest flights from Colorado to Portland?

Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Denver Intl - Portland) can be booked for $98 on average our data indicates $356 when flying from Colorado to Portland.

What are the most reliable airlines from Colorado to Portland?

Before booking your flight to Portland from Colorado, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (92%), Hawaiian Airlines (86%), Lufthansa( 80%).

What are the most popular airlines that fly from Colorado to Portland?

The most popular airlines flying from Colorado to Portland are Alaska Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

Find a great deal and save up to 66% by booking at least 58 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Colorado to Portland within the next two weeks, with the cheapest ticket starting at $147.

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

September is one of the best times of the year to fly to Portland from Colorado. Prices for September average $190 per person but you can even find prices for as low as $56. The most expensive prices can be found in the month of March. Opting for a September flight can save you 24% on your journey compared to booking in March

What airport do you fly into for flights to Portland from Colorado?

For a flight from Colorado to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.

Can I find deals for flights from Colorado to Portland that include hotel bookings?

Yes. In addition to deals on Colorado to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Colorado to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Portland.

Can I find deals for business class flights from Colorado to Portland?

Yes. Cheapflights offers flight deals from Colorado to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$67+ Flights from Colorado to Portland

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Cheap flight deals from Colorado to Portland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$98 (CheapOair)
One-way from	$67 (Kiwi.com)
Popular in	March
Cheapest in	September
Average price	$237
Good round-trip deal	$176 or less
Good one-way deal	$95 or less

Provider with most accurate pricing for Denver Intl-Portland flight deals.

Search Deals

Provider most trusted by Cheapflights users for Denver Intl-Portland flights.

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From Colorado to Portland

Search Deals

One-way flight from Colorado to Portland

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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Price to beat on a round-trip flight from Colorado to Portland.

Search Deals

Price to beat on a one-way flight from Colorado to Portland.

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Find flight deals from Colorado to Portland

Cheapest flights from Colorado to Portland
Explore the most affordable flight options available from Colorado to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Fri 5/910:50 pmDEN - PDX

Nonstop2h 48mFrontier

Sun 5/116:20 amPDX - DEN

Nonstop2h 38mFrontier

Deal found 3/25

$98

Wed 4/237:00 amDEN - PDX

1 stop4h 52mMultiple Airlines

Tue 4/296:20 amPDX - DEN

Nonstop2h 36mMultiple Airlines

Deal found 3/24

$151

Tue 4/228:00 amDEN - PDX

Nonstop2h 47mUnited Airlines

Tue 4/291:39 pmPDX - DEN

1 stop8h 05mUnited Airlines

Deal found 3/25

$163

Sat 4/192:45 pmDEN - PDX

1 stop6h 30mSouthwest

Wed 4/232:55 pmPDX - DEN

Nonstop2h 30mSouthwest

Deal found 3/24

$167

Tue 4/2211:59 amDEN - PDX

1 stop7h 07mDelta

Tue 4/291:35 pmPDX - DEN

1 stop4h 39mDelta

Deal found 3/24

$177

Fri 4/182:53 pmDEN - PDX

Nonstop2h 49mAlaska Airlines

Mon 4/219:35 pmPDX - DEN

Nonstop2h 35mAlaska Airlines

Deal found 3/24

$194

Tue 5/65:50 pmCOS - PDX

1 stop6h 35mSouthwest

Sat 5/108:00 amPDX - COS

1 stop4h 25mSouthwest

Deal found 3/25

$197

Tue 5/66:00 amCOS - PDX

1 stop4h 46mUnited Airlines

Sun 5/117:54 amPDX - COS

2 stops9h 00mUnited Airlines

Deal found 3/25

$222

Thu 5/18:05 amCOS - PDX

1 stop5h 23mDelta

Tue 5/610:08 amPDX - COS

2 stops8h 14mDelta

Deal found 3/25

$262

Thu 8/147:15 pmDEN - PDX

1 stop23h 31mSun Country Air

Sun 8/1711:59 pmPDX - DEN

1 stop17h 16mSun Country Air

Deal found 3/25

$265

Thu 5/14:39 pmCOS - PDX

1 stop7h 08mAmerican Airlines

Tue 5/611:59 pmPDX - COS

1 stop8h 41mAmerican Airlines

Deal found 3/25

$277

Thu 8/282:41 pmMTJ - PDX

1 stop7h 07mAmerican Airlines

Tue 9/211:59 pmPDX - MTJ

1 stop8h 49mAmerican Airlines

Deal found 3/25

$291

Best flights from Colorado to Portland
Discover carefully curated flight deals from Colorado to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Fri 5/910:50 pmDEN - PDX

Nonstop2h 48mFrontier

Sun 5/116:20 amPDX - DEN

Nonstop2h 38mFrontier

Deal found 3/25

$98

Wed 4/2310:50 pmDEN - PDX

Nonstop2h 52mMultiple Airlines

Tue 4/2910:35 amPDX - DEN

1 stop7h 22mMultiple Airlines

Deal found 3/26

$151

Tue 4/228:00 amDEN - PDX

Nonstop2h 47mUnited Airlines

Tue 4/291:39 pmPDX - DEN

1 stop8h 05mUnited Airlines

Deal found 3/25

$163

Sat 4/192:45 pmDEN - PDX

1 stop6h 30mSouthwest

Wed 4/232:55 pmPDX - DEN

Nonstop2h 30mSouthwest

Deal found 3/24

$167

Wed 4/235:45 amDEN - PDX

1 stop4h 15mDelta

Tue 4/295:15 amPDX - DEN

1 stop6h 41mDelta

Deal found 3/26

$177

Fri 4/182:53 pmDEN - PDX

Nonstop2h 49mAlaska Airlines

Mon 4/219:35 pmPDX - DEN

Nonstop2h 35mAlaska Airlines

Deal found 3/24

$194

Thu 8/147:15 pmDEN - PDX

1 stop23h 31mSun Country Air

Sun 8/1711:59 pmPDX - DEN

1 stop17h 16mSun Country Air

Deal found 3/25

$265

Thu 5/14:39 pmCOS - PDX

1 stop7h 08mAmerican Airlines

Tue 5/611:59 pmPDX - COS

1 stop8h 41mAmerican Airlines

Deal found 3/25

$277

Tue 7/157:06 pmDEN - PDX

Nonstop2h 44mHawaiian Airlines

Sun 7/203:40 pmPDX - DEN

1 stop7h 19mHawaiian Airlines

Deal found 3/26

$312

Tue 5/65:50 pmCOS - PDX

1 stop6h 35mSouthwest

Sat 5/108:00 amPDX - COS

1 stop4h 25mSouthwest

Deal found 3/25

$197

Tue 5/66:00 amCOS - PDX

1 stop4h 46mUnited Airlines

Sun 5/117:54 amPDX - COS

2 stops9h 00mUnited Airlines

Deal found 3/25

$222

Thu 5/18:05 amCOS - PDX

1 stop5h 23mDelta

Tue 5/610:08 amPDX - COS

2 stops8h 14mDelta

Deal found 3/25

$262

Last-minute flights from Colorado to Portland
Discover last-minute flight deals from Colorado to Portland. Data last updated March 26, 2025 and is based on user searches.

Tue 4/17:00 amDEN - PDX

1 stop4h 52mHawaiian Airlines

Sat 5/312:30 pmPDX - DEN

Nonstop2h 39mHawaiian Airlines

Deal found 3/25

$247

Tue 4/13:20 pmDEN - PDX

2 stops7h 20mSouthwest

Tue 4/82:55 pmPDX - DEN

Nonstop2h 30mSouthwest

Deal found 3/25

$282

Wed 4/210:45 pmDEN - PDX

Nonstop2h 52mFrontier

Tue 4/89:59 amPDX - DEN

Nonstop2h 41mFrontier

Deal found 3/25

$136

Wed 4/210:45 pmDEN - PDX

Nonstop2h 52mMultiple Airlines

Tue 4/81:32 pmPDX - DEN

1 stop4h 29mMultiple Airlines

Deal found 3/25

$201

Wed 4/27:00 amDEN - PDX

1 stop4h 52mAlaska Airlines

Tue 4/81:32 pmPDX - DEN

1 stop4h 29mAlaska Airlines

Deal found 3/25

$286

Wed 4/28:15 amCOS - PDX

1 stop5h 08mDelta

Tue 4/81:29 pmPDX - COS

1 stop4h 36mDelta

Deal found 3/24

$417

Wed 4/212:35 pmCOS - PDX

2 stops11h 03mAmerican Airlines

Tue 4/811:35 amPDX - COS

2 stops11h 11mAmerican Airlines

Deal found 3/24

$427

Sat 4/55:45 amDEN - PDX

1 stop4h 23mDelta

Tue 4/157:23 amPDX - DEN

1 stop5h 08mDelta

Deal found 3/25

$257

Sat 4/51:27 pmDEN - PDX

1 stop6h 06mUnited Airlines

Tue 4/87:54 amPDX - DEN

2 stops10h 46mUnited Airlines

Deal found 3/24

$445

Wed 4/95:15 amDRO - PDX

1 stop5h 32mUnited Airlines

Sun 4/135:00 amPDX - DRO

1 stop5h 00mUnited Airlines

Deal found 3/24

$328

Fri 4/114:39 pmCOS - PDX

1 stop7h 08mAmerican Airlines

Tue 4/1511:59 pmPDX - COS

1 stop8h 53mAmerican Airlines

Deal found 3/25

$287

Fri 4/182:53 pmDEN - PDX

Nonstop2h 49mAlaska Airlines

Mon 4/219:35 pmPDX - DEN

Nonstop2h 35mAlaska Airlines

Deal found 3/24

$194

One-way flights from Colorado to Portland
Search for one-way flight options from Colorado to Portland. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Wed 4/210:45 pmDEN - PDX

Nonstop2h 52mFrontier

Deal found 3/25

$67

Tue 4/297:00 amDEN - PDX

1 stop4h 52mHawaiian Airlines

Deal found 3/25

$88

Sat 4/266:30 amDEN - PDX

1 stop7h 45mDelta

Deal found 3/25

$89

Tue 4/157:00 amDEN - PDX

1 stop4h 52mAlaska Airlines

Deal found 3/25

$98

Tue 4/294:35 pmDEN - PDX

2 stops7h 30mSouthwest

Deal found 3/25

$104

Thu 4/247:12 pmDEN - PDX

Nonstop2h 48mUnited Airlines

Deal found 3/25

$119

Mon 6/236:47 pmDEN - PDX

1 stop5h 35mAmerican Airlines

Deal found 3/24

$129

Tue 7/154:55 pmCOS - PDX

1 stop8h 41mAmerican Airlines

Deal found 3/25

$144

Mon 5/126:30 pmDEN - PDX

2 stops23h 15mMultiple Airlines

Deal found 3/25

$160

Tue 5/131:35 pmMTJ - PDX

2 stops8h 18mUnited Airlines

Deal found 3/24

$186

Tue 7/1512:55 pmCOS - PDX

2 stops8h 42mUnited Airlines

Deal found 3/25

$189

Mon 5/122:45 pmMTJ - PDX

2 stops8h 35mSouthwest

Deal found 3/24

$199

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 5/9

10:50 pm-12:38 am

Nonstop2h 48m

Portland

Sun 5/11

6:20 am-9:58 am

Nonstop2h 38m

$98

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 4/23

10:50 pm-12:42 am

Nonstop2h 52m

Portland

Tue 4/29

10:35 am-6:57 pm

1 stop7h 22m

$151

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 4/22

8:00 am-9:47 am

Nonstop2h 47m

Portland

Tue 4/29

1:39 pm-10:44 pm

1 stop8h 05m

$163

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 4/19

2:45 pm-8:15 pm

1 stop6h 30m

Portland

Wed 4/23

2:55 pm-6:25 pm

Nonstop2h 30m

$167

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 4/23

5:45 am-9:00 am

1 stop4h 15m

Portland

Tue 4/29

5:15 am-12:56 pm

1 stop6h 41m

$177

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 4/18

2:53 pm-4:42 pm

Nonstop2h 49m

Portland

Mon 4/21

9:35 pm-1:10 am

Nonstop2h 35m

$194

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Tue 5/6

5:50 pm-11:25 pm

1 stop6h 35m

Portland

Sat 5/10

8:00 am-1:25 pm

1 stop4h 25m

$197

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Tue 5/6

6:00 am-9:46 am

1 stop4h 46m

Portland

Sun 5/11

7:54 am-5:54 pm

2 stops9h 00m

$222

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Thu 5/1

8:05 am-12:28 pm

1 stop5h 23m

Portland

Tue 5/6

10:08 am-7:22 pm

2 stops8h 14m

$262

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 6/12

10:33 am-10:46 pm

1 stop13h 13m

Portland

Sun 6/15

11:59 pm-5:07 pm

1 stop16h 08m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 40 results

Best time to book a flight from Colorado to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Colorado with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Colorado to Portland?

Currently, November is the cheapest month in which you can book a flight from Colorado to Portland (average of $277). Flying from Colorado to Portland in March is currently the most expensive (average of $370). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to PDX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Portland as you normally would.

Rainfall in Portland by month

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

To help decide which airline to fly from Colorado to Portland, see what other customers have to say about Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,274 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,789 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,891 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines

7.9

Good

2,330 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,608 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airport do you fly into for flights to Portland from Colorado?
For a flight from Colorado to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.
How popular is this Colorado to Portland flight route?
This flight path from Colorado to Portland was viewed by 44 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from Colorado to Portland one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $67. Hawaiian Airlines flights start at $88 while deals on Delta start at $89 one-way.
What are the most popular routes from Colorado to Portland?
The most popular flight routes from Colorado to Portland are Denver Intl - Portland, Colorado Springs - Portland and Grand Junction Regnl - Portland.
What are the most reliable airlines from Colorado to Portland?
Before booking your flight to Portland from Colorado, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (92%), Hawaiian Airlines (86%), Lufthansa( 80%).
What are the cheapest flights from Colorado to Portland?
Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Denver Intl - Portland) can be booked for $98 on average our data indicates $356 when flying from Colorado to Portland.
Can I find deals for flights from Colorado to Portland that include hotel bookings?
Yes. In addition to deals on Colorado to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Colorado to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Portland.
Can I find deals for business class flights from Colorado to Portland?
Yes. Cheapflights offers flight deals from Colorado to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Colorado to Portland?
Currently, November is the cheapest month in which you can book a flight from Colorado to Portland (average of $277). Flying from Colorado to Portland in March is currently the most expensive (average of $370). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Tigard

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Top 7 airlines flying from Colorado to Portland

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$56	Average$125	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$98	Average$216	FlexibilityNo cancel fee	On-time85%
Alaska Airlines	Cheapest$141	Average$254	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$146	Average$507	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$148	Average$315	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$156	Average$381	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$298	Average$470	FlexibilityNo cancel fee	On-time71%

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$67+ Cheap flights from Colorado to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Portland with Cheapflights

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Cheap flight deals from Colorado to Portland

Keep the following information in mind while searching for Colorado to Portland flight deals. Data was last updated March 26, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Colorado to Portland

Cheapest flights from Colorado to PortlandExplore the most affordable flight options available from Colorado to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Explore the most affordable flight options available from Colorado to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Colorado to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Colorado with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from Colorado to Portland?

What is the cheapest time of day to fly from CO to PDX?

Find hourly flight availability from Colorado to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

Reviews of airlines servicing Portland

To help decide which airline to fly from Colorado to Portland, see what other customers have to say about Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Portland from Colorado?

How popular is this Colorado to Portland flight route?

What are the cheapest airlines to fly from Colorado to Portland one-way?

What are the most popular routes from Colorado to Portland?

What are the most reliable airlines from Colorado to Portland?

What are the cheapest flights from Colorado to Portland?

Can I find deals for flights from Colorado to Portland that include hotel bookings?

How can I find direct flights from Colorado to Portland?

Can I find deals for business class flights from Colorado to Portland?

What is the cheapest month to book a flight from Colorado to Portland?

Traveling to a place near Colorado?

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Alternative routes for Colorado to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Colorado to Portland

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Cheapest flights from Colorado to Portland
Explore the most affordable flight options available from Colorado to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.