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Fort Collins

$48+ Cheap flights from Portland (PDX) to Fort Collins, CO

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Fort Collins are usually found in January or August, booked 29 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Portland to Fort Collins

Cheapest flights from Portland to Fort Collins
Explore the most affordable flight options available from Portland to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Frontier deal was found by Cheapflights users on 12/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:45 pmPDX - DEN
1 stop11h 10mFrontier
Wed 12/316:15 amDEN - PDX
1 stop9h 45mFrontier
Deal found 12/12$228
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:47 pmPDX - DEN
Nonstop2h 28mFrontier
Sun 1/49:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 12/12$251
This Frontier deal was found by Cheapflights users on 12/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:29 pmPDX - DEN
1 stop8h 04mFrontier
Wed 12/316:15 amDEN - PDX
1 stop9h 45mFrontier
Deal found 12/12$258
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:59 pmPDX - DEN
1 stop15h 56mFrontier
Sun 1/49:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 12/12$260
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:29 pmPDX - DEN
1 stop12h 29mFrontier
Wed 12/316:15 amDEN - PDX
1 stop9h 45mFrontier
Deal found 12/12$271
This Expedia deal was found by Cheapflights users on 12/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:45 pmPDX - DEN
1 stop11h 10mFrontier
Sun 12/217:00 amDEN - PDX
1 stop7h 24mFrontier
Deal found 12/12$272
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:45 pmPDX - DEN
1 stop11h 10mFrontier
Mon 12/2910:37 pmDEN - PDX
1 stop15h 47mFrontier
Deal found 12/12$276
This Frontier deal was found by Cheapflights users on 12/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:45 pmPDX - DEN
1 stop11h 10mFrontier
Sun 1/49:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 12/12$280
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:45 pmPDX - DEN
1 stop11h 10mFrontier
Thu 1/19:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 12/12$282
This Travelocity deal was found by Cheapflights users on 12/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:45 pmPDX - DEN
1 stop11h 10mFrontier
Fri 1/212:26 pmDEN - PDX
1 stop8h 24mFrontier
Deal found 12/13$283

Find flight deals from Portland to Fort Collins

Keep the following information in mind while searching for Portland to Fort Collins flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$93
(Frontier)

One-way from

$48
(Super.com)

Popular in

December

Cheapest in

January

Average price

$257
Provider with most accurate pricing for Portland-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Denver Intl flights.
Search Deals
From Portland to Fort Collins
Search Deals
One-way flight from Portland to Fort Collins
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($8 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 December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Fort Collins 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 December 15, 2025.
Use the filters below to find and compare flights from Portland to Fort Collins that are best for you.

Fly from

Portland

Fly to

Fort Collins

Route

Depart

Return

Price

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 2/14

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Tue 2/17

11:38 am-1:38 pm

Nonstop3h 00m

$137

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sun 2/15

5:05 am-8:38 am

Nonstop2h 33m

Denver Intl

Wed 2/18

7:20 pm-9:15 pm

Nonstop2h 55m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 2/10

7:21 am-10:53 am

Nonstop2h 32m

Denver Intl

Thu 2/12

11:38 am-1:38 pm

Nonstop3h 00m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 1/17

1:39 pm-6:40 pm

1 stop4h 01m

Denver Intl

Sat 1/24

7:00 am-12:32 pm

1 stop6h 32m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 1/10

5:20 am-8:50 am

Nonstop2h 30m

Denver Intl

Mon 1/12

8:40 am-10:35 am

Nonstop2h 55m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 1/13

5:15 pm-11:25 pm

1 stop5h 10m

Denver Intl

Tue 1/20

6:23 pm-11:55 pm

1 stop6h 32m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 2/4

5:35 pm-11:35 pm

1 stop5h 00m

Denver Intl

Sun 2/8

11:49 am-1:44 pm

Nonstop2h 55m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 2/18

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Thu 2/19

1:10 pm-8:50 pm

1 stop8h 40m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Mon 1/5

2:44 pm-11:59 pm

1 stop8h 15m

Denver Intl

Wed 1/7

7:00 am-12:38 pm

1 stop6h 38m

$166

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 1/17

5:20 am-8:50 am

Nonstop2h 30m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 21 results
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Best time to book a flight from Portland to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins 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 Fort Collins

How far ahead should I book a flight from Portland to Fort Collins?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Fort Collins. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Fort Collins, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Portland to Fort Collins (average of $38). Flying from Portland to Fort Collins in July is currently the most expensive (average of $98). 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 FC9?

Find hourly flight availability from Portland to Fort Collins. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

One of the essential ways to save on airfare from Portland to Fort Collins is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 53% on airfare.

What is the cheapest day to fly from Portland to Fort Collins?

Use this chart to determine the cheapest time to fly round-trip from Portland to Fort Collins. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Fort Collins flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to Fort Collins

Explore weekly flight availability from Portland to Fort Collins. 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 December 15, 2025.

The most flights from PDX to FC9 are scheduled on a Sunday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Fort Collins

Get insights into the airlines that provide service to Fort Collins. 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 Fort Collins. Reviews last updated December 15, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from Portland to Fort Collins by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,448 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,448 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,092 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Frontier
5.8
Fair
3,081 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Portland to Fort Collins. 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 Fort Collins?

    Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Fort Collins from Portland. Booking flights from Portland (PDX) to Fort Collins should be relatively easy as there are 8 daily outbound flights to Fort Collins from 6 different airlines.

  • How popular is this Portland to Fort Collins flight route?

    Flights from Portland to Fort Collins have been viewed 220 times in the past calendar month.

  • How long is the flight from Portland to Fort Collins?

    Airlines like Alaska Airlines and United Airlines fly from Portland to Fort Collins in about 2h 33m. The time it takes to get you to your destination is usually consistent. Portland and Fort Collins are separated by a distance of 989 mi. All flights are typically nonstop.

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

    One-way options have recently been found by users for as low as $34 on Frontier. Other airlines that offer cheap prices include Delta from $74 and Alaska Airlines from $78 one-way.

  • What are the most reliable airlines from Portland to Fort Collins?

    Consider Lufthansa (97%), United Airlines (96%) or Frontier (90%) when booking your flight. These represent the most reliable airlines when flying from Portland to Fort Collins.

  • What are the cheapest flights from Portland to Fort Collins?

    While on average a flight from Portland to Fort Collins is generally $835, our data shows the cheapest flight currently is $68. When looking at the most popular route, (Portland - Denver Intl), you can expect to pay $102 for that flight.

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

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

  • How can I find direct flights from Portland to Fort Collins?

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

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

    Yes. Cheapflights offers flight deals from Portland to Fort Collins 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 Fort Collins?

    Currently, February is the cheapest month in which you can book a flight from Portland to Fort Collins (average of $38). Flying from Portland to Fort Collins in July is currently the most expensive (average of $98). 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 Fort Collins

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Portland to Fort Collins

Discover the top 6 airlines that operate flights from Portland to Fort Collins. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$149FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$234FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$248FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$157Average$264FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$253FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$157Average$400FlexibilityNo cancel feeOn-time69%

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