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$73+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Fort Collins are usually found in September or October, booked 30 days in advance, depart on a Friday or Saturday and return on a Saturday

Cheap 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 September 11, 2025.

Round-trip from

$96
(Kiwi.com)

One-way from

$73
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$143
From Portland to Fort Collins
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One-way flight from Portland to Fort Collins
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Highest demand for flights based on searches. 4% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/37:17 pmPDX - DEN
1 stop28h 09mFrontier
Tue 10/79:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/10$96
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Thu 10/1612:43 pmPDX - DEN
Nonstop2h 43mFrontier
Sat 10/189:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/8$97
This Frontier deal was found by Cheapflights users on 9/9. 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.
Wed 10/17:15 amPDX - DEN
Nonstop2h 43mFrontier
Thu 10/210:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 9/9$98
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Wed 10/812:43 pmPDX - DEN
Nonstop2h 43mFrontier
Sun 10/1210:29 pmDEN - PDX
1 stop23h 18mFrontier
Deal found 9/10$99
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:43 pmPDX - DEN
Nonstop2h 43mFrontier
Mon 10/206:00 amDEN - PDX
1 stop15h 47mFrontier
Deal found 9/10$100
This Frontier deal was found by Cheapflights users on 9/8. 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.
Tue 9/307:15 amPDX - DEN
Nonstop2h 43mFrontier
Fri 10/310:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 9/8$102
This Frontier deal was found by Cheapflights users on 9/10. 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.
Sat 9/277:15 amPDX - DEN
Nonstop2h 43mFrontier
Wed 10/18:50 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 9/10$103
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/296:05 amPDX - DEN
Nonstop2h 39mFrontier
Wed 10/18:50 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 9/8$104
This Frontier deal was found by Cheapflights users on 9/10. 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 9/2911:09 amPDX - DEN
1 stop11h 07mFrontier
Thu 10/210:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 9/10$105
This Frontier deal was found by Cheapflights users on 9/11. 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.
Fri 10/36:05 amPDX - DEN
Nonstop2h 39mFrontier
Sun 10/510:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 9/11$106
This Frontier deal was found by Cheapflights users on 9/11. 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.
Sat 10/1812:43 pmPDX - DEN
Nonstop2h 43mFrontier
Mon 10/279:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/11$107

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 September 11, 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 1/24

5:20 am-8:50 am

Nonstop2h 30m

Denver Intl

Wed 1/28

8:40 am-10:35 am

Nonstop2h 55m

$129

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 1/8

7:00 am-10:32 am

Nonstop2h 32m

Denver Intl

Sat 1/10

11:30 am-1:14 pm

Nonstop2h 44m

$149

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 10/21

1:30 pm-6:56 pm

1 stop4h 26m

Denver Intl

Wed 10/29

6:25 am-10:30 am

1 stop5h 05m

$153

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 9/30

5:15 am-11:09 am

1 stop4h 54m

Denver Intl

Tue 9/30

7:49 pm-11:52 pm

1 stop5h 03m

$153

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 11/5

5:30 am-1:35 pm

1 stop7h 05m

Denver Intl

Mon 11/10

7:50 am-12:05 pm

1 stop5h 15m

$155

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 11/27

7:05 am-10:30 am

Nonstop2h 25m

Denver Intl

Mon 12/1

7:05 am-9:00 am

Nonstop2h 55m

$155

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 10/15

10:45 am-6:20 pm

2 stops6h 35m

Denver Intl

Sat 10/18

3:20 pm-10:10 pm

1 stop7h 50m

$163

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 10/21

5:10 am-11:10 am

1 stop5h 00m

Denver Intl

Tue 10/28

7:55 am-2:35 pm

2 stops7h 40m

$164

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 10/9

5:00 am-8:34 am

Nonstop2h 34m

Denver Intl

Sun 10/12

3:40 pm-5:21 pm

Nonstop2h 41m

$165

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 12/3

7:10 am-10:45 am

Nonstop2h 35m

Denver Intl

Sat 1/3

7:20 am-9:18 am

Nonstop2h 58m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Fort Collins, you should look to book at least 30 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, October is the cheapest month in which you can book a flight from Portland to Fort Collins (average of $197). Flying from Portland to Fort Collins 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 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 September 11, 2025.

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

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 Thursday evenings 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 September 11, 2025.

The most flights from PDX to FC9 are scheduled on a Thursday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 September 11, 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
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,177 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

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 15 daily outbound flights to Fort Collins from 5 different airlines.

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

    Flights from Portland to Fort Collins have been viewed 214 times in the past calendar month.

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

    Airlines like Southwest, Alaska Airlines, and Delta fly from Portland to Fort Collins in about 2h 30m. The time it takes to get you to your destination can typically vary by up to 1h 56m. Portland and Fort Collins are separated by a distance of 989 mi. This flight may include one or multiple stops.

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

    Consider United Airlines (82%), Lufthansa (80%) or SWISS (73%) 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 $834, our data shows the cheapest flight currently is $89. When looking at the most popular route, (Portland - Denver Intl), you can expect to pay $57 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, October is the cheapest month in which you can book a flight from Portland to Fort Collins (average of $197). Flying from Portland to Fort Collins 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.

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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 5 airlines flying from Portland to Fort Collins

Discover the top 5 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$141FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$234FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$157Average$246FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$395FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$163Average$262FlexibilityNo cancel feeOn-time75%

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