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$81+ Cheap flights from Portland (PDX) to Colorado

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheap flight deals from Portland to Colorado

Keep the following information in mind while searching for Portland to Colorado flight deals. Data was last updated abril 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$121
(Cheapflightsfares)

One-way from

$81
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$197

Good round-trip deal

$257 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for Portland-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Denver Intl flights.
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From Portland to Colorado
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One-way flight from Portland to Colorado
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Portland to Colorado.
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Price to beat on a one-way flight from Portland to Colorado.
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Find flight deals from Portland to Colorado

Cheapest flights from Portland to Colorado
Explore the most affordable flight options available from Portland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/146:53 pmPDX - DEN
Nonstop2h 44mFrontier
mié. 6/189:30 amDEN - PDX
Nonstop2h 53mFrontier
Deal found 4/28$121
This Orbitz deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/46:35 amPDX - DEN
Nonstop2h 37mMultiple Airlines
lun. 6/96:00 amDEN - PDX
1 stop5h 53mMultiple Airlines
Deal found 4/28$180
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/289:30 amPDX - DEN
1 stop6h 19mHawaiian Airlines
mié. 5/287:05 pmDEN - PDX
Nonstop2h 45mHawaiian Airlines
Deal found 4/29$181
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/209:30 amPDX - DEN
1 stop6h 19mAlaska Airlines
sáb. 5/317:05 pmDEN - PDX
Nonstop2h 45mAlaska Airlines
Deal found 4/29$187
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/254:15 pmPDX - COS
1 stop6h 44mUnited Airlines
sáb. 5/316:30 pmCOS - PDX
1 stop5h 05mUnited Airlines
Deal found 4/28$199
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/912:35 pmPDX - COS
2 stops8h 38mDelta
mar. 7/158:15 amCOS - PDX
2 stops9h 52mDelta
Deal found 4/28$207
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2912:20 pmPDX - DEN
2 stops7h 25mSouthwest
vie. 5/309:50 pmDEN - PDX
Nonstop2h 40mSouthwest
Deal found 4/28$212
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/85:15 amPDX - GJT
1 stop5h 27mAmerican Airlines
vie. 6/136:59 pmGJT - PDX
1 stop5h 23mAmerican Airlines
Deal found 4/28$217
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/215:18 amPDX - DEN
1 stop4h 42mDelta
mar. 7/16:23 pmDEN - PDX
1 stop5h 15mDelta
Deal found 4/27$217
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/124:20 pmPDX - GJT
1 stop4h 52mUnited Airlines
jue. 5/155:30 amGJT - PDX
1 stop5h 16mUnited Airlines
Deal found 4/28$221
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/233:42 pmPDX - DEN
1 stop7h 36mUnited Airlines
lun. 5/267:57 amDEN - PDX
Nonstop2h 42mUnited Airlines
Deal found 4/29$267
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/175:00 pmPDX - GJT
1 stop4h 33mDelta
dom. 5/256:05 amGJT - PDX
1 stop3h 37mDelta
Deal found 4/28$271

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
Use the filters below to find and compare flights from Portland to Colorado that are best for you.

Fly from

Portland

Fly to

Colorado

Route

Depart

Return

Price

PortlandDenver

PDX - DEN

PDXDEN

Portland

sáb. 6/14

6:53 pm-10:37 pm

Nonstop2h 44m

Denver Intl

mié. 6/18

9:30 am-11:23 am

Nonstop2h 53m

$121

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 5/20

6:20 am-9:58 am

Nonstop2h 38m

Denver Intl

jue. 5/22

7:05 pm-8:50 pm

Nonstop2h 45m

$166

PortlandDenver

PDX - DEN

PDXDEN

Portland

mié. 5/28

9:30 am-4:49 pm

1 stop6h 19m

Denver Intl

mié. 5/28

7:05 pm-8:50 pm

Nonstop2h 45m

$181

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 5/20

7:00 am-10:40 am

Nonstop2h 40m

Denver Intl

mié. 5/28

5:49 pm-11:44 pm

1 stop6h 55m

$187

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

dom. 5/25

4:15 pm-11:59 pm

1 stop6h 44m

Colorado Springs

sáb. 5/31

6:30 pm-10:35 pm

1 stop5h 05m

$199

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

mié. 7/9

12:35 pm-10:13 pm

2 stops8h 38m

Colorado Springs

mar. 7/15

8:15 am-5:07 pm

2 stops9h 52m

$207

PortlandDenver

PDX - DEN

PDXDEN

Portland

jue. 5/29

12:20 pm-8:45 pm

2 stops7h 25m

Denver Intl

vie. 5/30

9:50 pm-11:30 pm

Nonstop2h 40m

$212

PortlandGrand Junction

PDX - GJT

PDXGJT

Portland

dom. 6/8

5:15 am-11:42 am

1 stop5h 27m

Grand Junction Regnl

vie. 6/13

6:59 pm-11:22 pm

1 stop5h 23m

$217

PortlandDenver

PDX - DEN

PDXDEN

Portland

sáb. 6/21

5:18 am-11:00 am

1 stop4h 42m

Denver Intl

mar. 7/1

6:23 pm-10:38 pm

1 stop5h 15m

$217

PortlandGrand Junction

PDX - GJT

PDXGJT

Portland

lun. 5/12

4:20 pm-10:12 pm

1 stop4h 52m

Grand Junction Regnl

jue. 5/15

5:30 am-9:46 am

1 stop5h 16m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 49 results
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Best time to book a flight from Portland to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Portland 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 Portland to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Portland to Colorado (average of $197). Flying from Portland to Colorado in March is currently the most expensive (average of $278). 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 PDX to CO?

Find hourly flight availability from Portland to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

When flying from Portland to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portland to Colorado

Explore weekly flight availability from Portland to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 29, 2025.

The most flights from PDX to USCO are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated abril 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Portland to Colorado. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Portland to Colorado. 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 from for flights from Portland to Colorado?

    If you book a flight to Colorado from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland.

  • How popular is this Portland to Colorado flight route?

    Flights from Portland to Colorado have been viewed 279 times in the past calendar month.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $81. Alaska Airlines flights start at $98 while deals on Southwest start at $99 one-way.

  • What are the most popular routes from Portland to Colorado?

    The most popular route from Portland to Colorado is Portland - Denver Intl. You may also consider Portland - Grand Junction Regnl or Portland - Colorado Springs.

  • What are the most reliable airlines from Portland to Colorado?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to Colorado on time: Sun Country Air (100%), Alaska Airlines (95%), Hawaiian Airlines (95%).

  • What are the cheapest flights from Portland to Colorado?

    On average you can expect to pay $750 for a flight from Portland to Colorado. The cheapest flight overall is $88 while the most popular route, (Portland - Denver Intl) is currently priced at $145.

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

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

  • How can I find direct flights from Portland to Colorado?

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

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

    Yes. Cheapflights offers flight deals from Portland to Colorado 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 Portland to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Portland to Colorado (average of $197). Flying from Portland to Colorado in March is currently the most expensive (average of $278). 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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Alternative routes for Portland to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Portland to Colorado

Discover the top 7 airlines that operate flights from Portland to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$120FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$94Average$253FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$150Average$511FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$156Average$260FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$362FlexibilityNo cancel feeOn-time63%
DeltaCheapest$176Average$342FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$410FlexibilityNo cancel feeOn-time71%

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