$89+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
May 31 — Jun 71
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 August or September, booked 83 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Portland to Fort Collins
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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 May 1, 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 May 1, 2026.
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.
Thu 6/412:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Sun 6/710:39 pm
DEN
- PDX
1 stop14h 11m
Frontier
Deal found 4/28![Frontier logo]()
$143
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Thu 6/47:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/28![Frontier logo]()
$144
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Mon 6/17:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/28![Frontier logo]()
$147
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:46 pm
PDX
- DEN
2 stops20h 21m
Frontier
Sat 5/233:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/27![Frontier logo]()
$148
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Mon 6/16:10 am
DEN
- PDX
1 stop5h 10m
Frontier
Deal found 4/29![Frontier logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 7/155:16 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Wed 7/227:26 pm
DEN
- PDX
1 stop23h 38m
Frontier
Deal found 4/30![Frontier logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Tue 5/265:46 pm
PDX
- DEN
Nonstop2h 52m
Frontier
Sat 5/307:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/30![Frontier logo]()
$154
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:20 pm
PDX
- DEN
Nonstop2h 41m
Frontier
Sun 6/283:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Deal found 4/28![Frontier logo]()
$155
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.
Sat 5/2312:35 pm
PDX
- DEN
Nonstop2h 48m
Multiple Airlines
Wed 5/275:58 pm
DEN
- PDX
Nonstop2h 48m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 5/2812:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Fri 6/510:29 pm
DEN
- PDX
1 stop12h 51m
Frontier
Deal found 4/30![Frontier logo]()
$157
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Sat 5/233:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/27![Frontier logo]()
$158
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:46 pm
PDX
- DEN
2 stops20h 21m
Frontier
Thu 5/213:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/27![Frontier logo]()
$159
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 May 1, 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 May 1, 2026.
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.
Wed 5/275:46 pm
PDX
- DEN
1 stop5h 13m
Alaska Airlines
Wed 6/312:02 pm
DEN
- PDX
Nonstop2h 48m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$227
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.
Tue 7/145:00 am
PDX
- DEN
Nonstop2h 31m
United Airlines
Tue 7/147:30 pm
DEN
- PDX
Nonstop2h 45m
United Airlines
Deal found 4/29![United Airlines logo]()
$247
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.
Wed 7/155:30 am
PDX
- DEN
1 stop5h 32m
Delta
Mon 7/206:30 am
DEN
- PDX
1 stop6h 11m
Delta
Deal found 4/28![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 4/30. 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 6/117:40 pm
PDX
- DEN
Nonstop2h 25m
Southwest
Mon 6/159:05 pm
DEN
- PDX
Nonstop2h 40m
Southwest
Deal found 4/30![Southwest logo]()
$267
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.
Mon 7/206:50 pm
PDX
- DEN
Nonstop2h 38m
United Airlines
Sun 7/269:20 pm
DEN
- PDX
Nonstop2h 43m
United Airlines
Deal found 4/29![United Airlines logo]()
$247
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.
Fri 7/173:30 pm
PDX
- DEN
1 stop7h 14m
Delta
Mon 7/206:30 am
DEN
- PDX
1 stop6h 11m
Delta
Deal found 4/28![Delta logo]()
$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.
Tue 7/285:50 pm
PDX
- DEN
1 stop4h 54m
Delta
Fri 7/316:30 am
DEN
- PDX
1 stop5h 05m
Delta
Deal found 4/28![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 5/1. 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.
Tue 5/196:30 am
PDX
- DEN
2 stops7h 35m
Southwest
Tue 5/268:20 pm
DEN
- PDX
Nonstop2h 40m
Southwest
Deal found 5/1![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 4/26. 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.
Sat 5/165:01 pm
PDX
- DEN
1 stop4h 39m
Delta
Tue 5/1912:35 pm
DEN
- PDX
1 stop6h 26m
Delta
Deal found 4/26![Delta logo]()
$287
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:15 pm
PDX
- DEN
Nonstop2h 36m
United Airlines
Mon 6/84:00 pm
DEN
- PDX
Nonstop2h 44m
United Airlines
Deal found 4/27![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 4/26. 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.
Sun 6/712:55 pm
PDX
- DEN
2 stops7h 05m
Southwest
Wed 8/59:05 am
DEN
- PDX
1 stop7h 15m
Southwest
Deal found 4/26![Southwest logo]()
$322
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:55 pm
PDX
- DEN
1 stop5h 10m
Southwest
Sat 7/184:10 pm
DEN
- PDX
2 stops6h 50m
Southwest
Deal found 4/29![Southwest logo]()
$327
Last-minute flights from Portland to Fort CollinsDiscover last-minute flight deals from Portland to Fort Collins. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Fort Collins. Data last updated May 1, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 5/149:46 pm
PDX
- DEN
1 stop10h 52m
Frontier
Thu 5/213:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/26![Frontier logo]()
$143
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Sat 5/233:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/27![Frontier logo]()
$158
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:46 pm
PDX
- DEN
2 stops20h 21m
Frontier
Sat 5/233:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/27![Frontier logo]()
$148
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:46 pm
PDX
- DEN
2 stops20h 21m
Frontier
Thu 5/213:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/27![Frontier logo]()
$159
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:17 am
PDX
- DEN
Nonstop2h 49m
Multiple Airlines
Sat 5/233:00 pm
DEN
- PDX
Nonstop2h 46m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$153
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.
Sat 5/2312:35 pm
PDX
- DEN
Nonstop2h 48m
Multiple Airlines
Wed 5/275:58 pm
DEN
- PDX
Nonstop2h 48m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/2312:35 pm
PDX
- DEN
Nonstop2h 48m
Multiple Airlines
Tue 5/268:00 am
DEN
- PDX
Nonstop2h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$161
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Mon 6/13:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/28![Frontier logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Tue 5/265:46 pm
PDX
- DEN
Nonstop2h 52m
Frontier
Sat 5/307:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/30![Frontier logo]()
$154
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Thu 6/47:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/28![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 5/2812:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Fri 6/510:29 pm
DEN
- PDX
1 stop12h 51m
Frontier
Deal found 4/30![Frontier logo]()
$157
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Mon 6/17:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/28![Frontier logo]()
$147
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 May 1, 2026.
Search for one-way flight options from Portland to Fort Collins. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Super.com deal was found by Cheapflights users on 5/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:31 pm
PDX
- DEN
1 stop6h 07m
Frontier
Deal found 5/1![Frontier logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 5/155:31 pm
PDX
- DEN
1 stop6h 07m
Frontier
Deal found 4/30![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/2912:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 4/26![Frontier logo]()
$93
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 4/27![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 4/30. 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 5/149:46 pm
PDX
- DEN
1 stop10h 52m
Frontier
Deal found 4/30![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Sat 6/2712:26 pm
PDX
- DEN
Nonstop2h 42m
Frontier
Deal found 4/26![Frontier logo]()
$99
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.
Fri 5/2212:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 4/28![Frontier logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 5/812:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 4/26![Frontier logo]()
$103
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:46 pm
PDX
- DEN
2 stops20h 21m
Frontier
Deal found 4/29![Frontier logo]()
$106
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 May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $143 (Cheapflightsfares) |
One-way from | $89 (Super.com) |
Popular in | March |
Cheapest in | August |
Average price | $238 |
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 May 1, 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
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 5/27
5:46 pm-11:59 pm
1 stop5h 13m
Denver Intl
Wed 6/3
12:02 pm-1:50 pm
Nonstop2h 48m
$227
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 7/14
5:00 am-8:31 am
Nonstop2h 31m
Denver Intl
Tue 7/14
7:30 pm-9:15 pm
Nonstop2h 45m
$247
PortlandDenver
PDX - DEN
PDXDEN
Portland
Mon 7/20
6:50 pm-10:28 pm
Nonstop2h 38m
Denver Intl
Sun 7/26
9:20 pm-11:03 pm
Nonstop2h 43m
$247
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 7/15
5:30 am-12:02 pm
1 stop5h 32m
Denver Intl
Mon 7/20
6:30 am-11:41 am
1 stop6h 11m
$267
Quickest round-trip
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 6/11
7:40 pm-11:05 pm
Nonstop2h 25m
Denver Intl
Mon 6/15
9:05 pm-10:45 pm
Nonstop2h 40m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 7/17
3:30 pm-11:44 pm
1 stop7h 14m
Denver Intl
Mon 7/20
6:30 am-11:41 am
1 stop6h 11m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 7/28
5:50 pm-11:44 pm
1 stop4h 54m
Denver Intl
Fri 7/31
6:30 am-10:35 am
1 stop5h 05m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 5/16
5:01 pm-10:40 pm
1 stop4h 39m
Denver Intl
Tue 5/19
12:35 pm-6:01 pm
1 stop6h 26m
$287
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 5/19
6:30 am-3:05 pm
2 stops7h 35m
Denver Intl
Tue 5/26
8:20 pm-10:00 pm
Nonstop2h 40m
$312
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 6/5
4:15 pm-7:51 pm
Nonstop2h 36m
Denver Intl
Mon 6/8
4:00 pm-5:44 pm
Nonstop2h 44m
$317
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 May 1, 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 evening could potentially save you up to 16% 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 April 25, 2026.
Travelers seeking maximum savings on their Portland to Fort Collins flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday evenings 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 May 1, 2026.
The most flights from PDX to FC9 are scheduled on a Thursday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Portland to Fort Collins?
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 May 1, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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Alternative routes for Portland to Fort Collins
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Complete your trip
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Search flights from Portland to Fort Collins by cabin class
Find flights from Portland to Fort Collins, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Fort Collins flights
Browse other Portland and Fort Collins flight options. Last updated on May 1, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on May 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Fort Collins flights
Consider these flights traveling from Portland to Fort Collins.
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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$154 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$231 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$198 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$140 | Average$259 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$145 | Average$381 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$260 | FlexibilityNo cancel fee | On-time63% |