$110+ 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
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Fort Collins with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Fort Collins are usually found in January or October, booked 77 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Portland to Fort Collins
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to Fort CollinsExplore 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 August 6, 2026.
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 August 6, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Fri 9/2512:38 pm -
Nonstop2h 40m
Mon 9/287:30 am -
1 stop5h 24m
Deal found 8/3![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/15:56 pm -
Nonstop2h 43m
Fri 9/1110:50 pm -
1 stop13h 46m
Deal found 8/4![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 8/4. 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 10/293:47 pm -
Nonstop2h 36m
Sun 11/12:45 pm -
Nonstop2h 50m
Deal found 8/4![Frontier logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 9/312:20 pm -
Nonstop2h 43m
Tue 9/83:28 pm -
Nonstop2h 43m
Deal found 8/3![Frontier logo]()
$189
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Mon 8/246:17 pm -
1 stop13h 48m
Mon 8/313:28 pm -
Nonstop2h 43m
Deal found 8/3![Frontier logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 9/25:56 pm -
Nonstop2h 43m
Fri 9/43:28 pm -
Nonstop2h 43m
Deal found 8/2![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Sat 9/512:20 pm -
Nonstop2h 43m
Mon 9/76:10 am -
1 stop5h 38m
Deal found 8/3![Frontier logo]()
$192
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 9/312:20 pm -
Nonstop2h 43m
Mon 9/73:28 pm -
Nonstop2h 43m
Deal found 8/2![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/286:17 pm -
1 stop13h 48m
Tue 9/13:28 pm -
Nonstop2h 43m
Deal found 8/1![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 8/4. 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.
Sun 9/612:20 pm -
Nonstop2h 43m
Mon 9/73:28 pm -
Nonstop2h 43m
Deal found 8/4![Frontier logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/265:56 pm -
Nonstop2h 43m
Fri 9/43:28 pm -
Nonstop2h 43m
Deal found 8/1![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 8/1. 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 9/1812:39 pm -
1 stop10h 05m
Fri 9/2510:00 am -
Nonstop2h 43m
Deal found 8/1![Frontier logo]()
$197
Best flights from Portland to Fort CollinsDiscover carefully curated flight deals from Portland to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Portland to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 9/302:51 pm -
Nonstop2h 41m
Tue 10/63:06 pm -
Nonstop2h 44m
Deal found 8/3![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 9/255:10 pm -
1 stop4h 30m
Mon 9/286:00 am -
1 stop5h 40m
Deal found 7/31![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 8/2. 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.
Fri 10/25:30 am -
2 stops6h 55m
Thu 10/84:10 pm -
2 stops7h 55m
Deal found 8/2![Southwest logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/302:03 pm -
1 stop6h 10m
Sat 10/35:57 pm -
1 stop6h 05m
Deal found 7/31![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 8/2. 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.
Tue 8/259:29 am -
1 stop7h 19m
Thu 8/271:21 pm -
1 stop7h 23m
Deal found 8/2![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 8/5. 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.
Thu 8/2712:40 pm -
2 stops6h 25m
Sun 8/308:40 am -
1 stop5h 40m
Deal found 8/5![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 8/4. 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.
Thu 9/1012:40 pm -
2 stops6h 25m
Sun 9/136:20 am -
1 stop6h 00m
Deal found 8/4![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 8/1. 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.
Fri 9/255:00 am -
2 stops7h 55m
Sun 9/276:20 am -
1 stop6h 00m
Deal found 8/1![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 8/2. 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.
Wed 10/1411:25 am -
2 stops11h 25m
Mon 10/196:42 pm -
1 stop6h 17m
Deal found 8/2![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 8/1. 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.
Thu 10/85:30 am -
2 stops6h 55m
Mon 10/124:10 pm -
2 stops7h 55m
Deal found 8/1![Southwest logo]()
$372
This Delta deal was found by Cheapflights users on 8/3. 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.
Fri 10/27:00 am -
2 stops11h 40m
Sun 10/45:30 am -
1 stop4h 11m
Deal found 8/3![Delta logo]()
$416
This Southwest deal was found by Cheapflights users on 8/4. 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.
Tue 8/1811:30 pm -
1 stop7h 40m
Fri 8/214:10 pm -
2 stops7h 00m
Deal found 8/4![Southwest logo]()
$412
Last-minute flights from Portland to Fort CollinsDiscover last-minute flight deals from Portland to Fort Collins. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Fort Collins. Data last updated August 6, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Mon 8/246:17 pm -
1 stop13h 48m
Mon 8/313:28 pm -
Nonstop2h 43m
Deal found 8/3![Frontier logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/265:56 pm -
Nonstop2h 43m
Fri 9/43:28 pm -
Nonstop2h 43m
Deal found 8/1![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/286:17 pm -
1 stop13h 48m
Tue 9/13:28 pm -
Nonstop2h 43m
Deal found 8/1![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/15:56 pm -
Nonstop2h 43m
Fri 9/1110:50 pm -
1 stop13h 46m
Deal found 8/4![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 9/25:56 pm -
Nonstop2h 43m
Fri 9/43:28 pm -
Nonstop2h 43m
Deal found 8/2![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 9/312:20 pm -
Nonstop2h 43m
Tue 9/83:28 pm -
Nonstop2h 43m
Deal found 8/3![Frontier logo]()
$189
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 9/312:20 pm -
Nonstop2h 43m
Mon 9/73:28 pm -
Nonstop2h 43m
Deal found 8/2![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/412:20 pm -
Nonstop2h 43m
Wed 9/98:08 am -
Nonstop2h 42m
Deal found 8/4![Multiple Airlines logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Sat 9/512:20 pm -
Nonstop2h 43m
Mon 9/76:10 am -
1 stop5h 38m
Deal found 8/3![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 8/4. 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.
Sun 9/612:20 pm -
Nonstop2h 43m
Mon 9/73:28 pm -
Nonstop2h 43m
Deal found 8/4![Frontier logo]()
$195
This Frontier deal was found by Cheapflights users on 8/1. 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 9/1812:39 pm -
1 stop10h 05m
Fri 9/2510:00 am -
Nonstop2h 43m
Deal found 8/1![Frontier logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Fri 9/2512:38 pm -
Nonstop2h 40m
Mon 9/287:30 am -
1 stop5h 24m
Deal found 8/3![Frontier logo]()
$186
One-way flights from Portland to Fort CollinsSearch for one-way flight options from Portland to Fort Collins. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Portland to Fort Collins. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Super.com deal was found by Cheapflights users on 8/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:02 am -
1 stop5h 57m
Deal found 8/3![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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.
Sun 10/1112:34 pm -
Nonstop2h 32m
Deal found 8/4![Frontier logo]()
$112
This Southwest deal was found by Cheapflights users on 8/2. 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.
Tue 10/65:45 am -
1 stop4h 50m
Deal found 8/2![Southwest logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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.
Mon 8/246:17 pm -
1 stop26h 24m
Deal found 8/2![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 8/1. 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 10/312:24 pm -
1 stop10h 20m
Deal found 8/1![Frontier logo]()
$117
This Southwest deal was found by Cheapflights users on 8/2. 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.
Tue 9/12:50 pm -
1 stop5h 30m
Deal found 8/2![Southwest logo]()
$119
This Southwest deal was found by Cheapflights users on 8/1. 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.
Wed 9/21:05 pm -
2 stops7h 15m
Deal found 8/1![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 11/19:03 pm -
1 stop5h 49m
Deal found 8/1![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 8/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:20 pm -
Nonstop2h 43m
Deal found 8/2![Frontier logo]()
$127
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 10/25:49 pm -
1 stop4h 58m
Deal found 8/4![Delta logo]()
$129
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $186 (Cheapflightsfares) |
One-way from | $110 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $235 |
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 August 6, 2026.
Use the filters below to find and compare flights from Portland to Fort Collins that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Wed 9/30
2:51 pm-6:32 pm
Nonstop2h 41m
Denver Intl
Tue 10/6
3:06 pm-4:50 pm
Nonstop2h 44m
$257
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Fri 9/25
5:10 pm-10:40 pm
1 stop4h 30m
Denver Intl
Mon 9/28
6:00 am-10:40 am
1 stop5h 40m
$257
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Wed 9/30
2:03 pm-9:13 pm
1 stop6h 10m
Denver Intl
Sat 10/3
5:57 pm-11:02 pm
1 stop6h 05m
$297
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Fri 10/2
5:30 am-1:25 pm
2 stops6h 55m
Denver Intl
Thu 10/8
4:10 pm-11:05 pm
2 stops7h 55m
$299
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Tue 8/25
9:29 am-5:48 pm
1 stop7h 19m
Denver Intl
Thu 8/27
1:21 pm-7:44 pm
1 stop7h 23m
$321
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Thu 8/27
12:40 pm-8:05 pm
2 stops6h 25m
Denver Intl
Sun 8/30
8:40 am-1:20 pm
1 stop5h 40m
$334
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Thu 9/10
12:40 pm-8:05 pm
2 stops6h 25m
Denver Intl
Sun 9/13
6:20 am-11:20 am
1 stop6h 00m
$334
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Fri 9/25
5:00 am-1:55 pm
2 stops7h 55m
Denver Intl
Sun 9/27
6:20 am-11:20 am
1 stop6h 00m
$342
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Thu 10/8
5:30 am-1:25 pm
2 stops6h 55m
Denver Intl
Mon 10/12
4:10 pm-11:05 pm
2 stops7h 55m
$372
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Wed 10/14
11:25 am-11:50 pm
2 stops11h 25m
Denver Intl
Mon 10/19
6:42 pm-11:59 pm
1 stop6h 17m
$405
Showing 1-10 of 23 resultsSorted by cheapest first
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.
PDX-DEN
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
PDX-FC9
PDX-DEN
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 August 6, 2026.
One of the essential ways to save on airfare from Portland to Fort Collins is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 15% on airfare.
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 August 6, 2026.
The most flights from PDX to FC9 are scheduled on a Tuesday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Portland to Fort Collins?
Airfare is typical for this route at the moment.
Portland to Fort Collins flights typically cost between $183 and $301 in September.The cheapest round-trip price found within the last 5 days was $186 on Frontier (Sep 25-Sep 28).
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 August 1, 2026.
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. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 6, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andHawaiian 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Portland and Fort Collins flights
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Top 7 airlines flying from Portland to Fort Collins
Discover the top 7 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$180 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$126 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$277 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$295 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$293 | FlexibilityNo cancel fee | On-time69% |