$74+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Mar 1 — Mar 81
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 January, booked 29 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Portland to Fort Collins
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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 January 30, 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 January 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 5/811:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Sun 5/109:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 1/28![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 3/107:05 am
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Sun 3/159:10 am
DEN
- PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 3/129:53 am
PDX
- DEN
1 stop13h 37m
Frontier
Mon 3/169:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 1/29![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Fri 3/133:52 pm
PDX
- DEN
1 stop7h 07m
Multiple Airlines
Mon 3/169:10 am
DEN
- PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 3/610:08 am
PDX
- DEN
1 stop13h 22m
Frontier
Sun 3/89:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 1/28![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Wed 3/117:05 am
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Thu 3/199:10 am
DEN
- PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Fri 4/1011:58 am
PDX
- DEN
Nonstop2h 38m
Frontier
Tue 4/1411:10 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 1/29![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 4/141:48 pm
PDX
- DEN
Nonstop2h 41m
Frontier
Wed 4/227:05 pm
DEN
- PDX
1 stop14h 54m
Frontier
Deal found 1/29![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 4/92:47 pm
PDX
- DEN
Nonstop2h 41m
Multiple Airlines
Mon 4/139:10 am
DEN
- PDX
Nonstop2h 53m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 3/1212:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Wed 3/1810:29 pm
DEN
- PDX
1 stop14h 23m
Frontier
Deal found 1/28![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 3/612:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Wed 3/114:41 pm
DEN
- PDX
2 stops17h 17m
Frontier
Deal found 1/28![Frontier logo]()
$134
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 January 30, 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 January 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Sat 2/217:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Wed 2/2511:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:57 pm
PDX
- DEN
Nonstop2h 33m
United Airlines
Sat 3/78:00 am
DEN
- PDX
Nonstop2h 54m
United Airlines
Deal found 1/28![United Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:15 am
PDX
- DEN
Nonstop2h 30m
Southwest
Sun 3/110:00 pm
DEN
- PDX
Nonstop3h 05m
Southwest
Deal found 1/28![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:36 pm
PDX
- DEN
1 stop4h 53m
Delta
Tue 3/1712:30 pm
DEN
- PDX
1 stop4h 31m
Delta
Deal found 1/30![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Tue 2/2411:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:57 pm
PDX
- DEN
Nonstop2h 33m
United Airlines
Sun 3/17:48 am
DEN
- PDX
Nonstop2h 54m
United Airlines
Deal found 1/28![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:52 pm
PDX
- DEN
1 stop4h 31m
Alaska Airlines
Wed 3/186:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 1/28. 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.
Thu 2/195:45 am
PDX
- DEN
1 stop5h 15m
Delta
Tue 3/36:40 am
DEN
- PDX
1 stop5h 07m
Delta
Deal found 1/28![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 1/29. 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 3/24:00 pm
PDX
- DEN
Nonstop2h 33m
United Airlines
Fri 3/69:04 pm
DEN
- PDX
Nonstop2h 55m
United Airlines
Deal found 1/29![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 1/28. 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.
Thu 3/125:45 am
PDX
- DEN
1 stop4h 48m
Delta
Tue 3/175:34 am
DEN
- PDX
1 stop4h 30m
Delta
Deal found 1/28![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 1/28. 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 2/273:59 pm
PDX
- DEN
1 stop6h 26m
Delta
Sat 3/75:30 am
DEN
- PDX
1 stop4h 45m
Delta
Deal found 1/28![Delta logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:52 pm
PDX
- DEN
1 stop7h 07m
Alaska Airlines
Thu 3/196:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$167
Last-minute flights from Portland to Fort CollinsDiscover last-minute flight deals from Portland to Fort Collins. Data last updated January 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Fort Collins. Data last updated January 30, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Wed 2/2511:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$147
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:18 pm
PDX
- DEN
1 stop21h 19m
Multiple Airlines
Fri 2/2711:38 am
DEN
- PDX
Nonstop3h 00m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 1/29. 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.
Mon 2/235:50 am
PDX
- DEN
2 stops7h 05m
Southwest
Fri 2/2710:00 pm
DEN
- PDX
Nonstop3h 05m
Southwest
Deal found 1/29![Southwest logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Sat 3/711:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 2/251:36 pm
PDX
- DEN
1 stop6h 47m
Multiple Airlines
Mon 3/99:10 am
DEN
- PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$144
This Southwest deal was found by Cheapflights users on 1/29. 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.
Thu 2/268:45 pm
PDX
- DEN
Nonstop2h 20m
Southwest
Sun 3/110:00 pm
DEN
- PDX
Nonstop3h 05m
Southwest
Deal found 1/29![Southwest logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/268:30 am
PDX
- DEN
1 stop7h 50m
Multiple Airlines
Mon 3/99:10 am
DEN
- PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:30 am
PDX
- DEN
1 stop5h 45m
Delta
Sat 2/286:20 pm
DEN
- PDX
1 stop5h 32m
Delta
Deal found 1/29![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:30 am
PDX
- DEN
1 stop5h 45m
Delta
Thu 3/55:30 am
DEN
- PDX
1 stop4h 45m
Delta
Deal found 1/29![Delta logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/2710:18 pm
PDX
- DEN
1 stop9h 09m
Frontier
Tue 3/1010:40 pm
DEN
- PDX
1 stop11h 18m
Frontier
Deal found 1/28![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/2710:18 pm
PDX
- DEN
1 stop9h 09m
Frontier
Fri 3/610:29 pm
DEN
- PDX
1 stop13h 27m
Frontier
Deal found 1/28![Frontier logo]()
$169
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 January 30, 2026.
Search for one-way flight options from Portland to Fort Collins. Find affordable one-way fares based on user searches. Data last updated January 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Mon 3/210:18 pm
PDX
- DEN
1 stop10h 13m
Frontier
Deal found 1/30![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Fri 3/610:08 am
PDX
- DEN
1 stop22h 36m
Frontier
Deal found 1/30![Frontier logo]()
$78
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sun 2/225:05 am
PDX
- DEN
Nonstop2h 33m
United Airlines
Deal found 1/29![United Airlines logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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.
Thu 4/169:53 am
PDX
- DEN
1 stop6h 56m
Frontier
Deal found 1/30![Frontier logo]()
$80
This Southwest deal was found by Cheapflights users on 1/29. 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.
Wed 3/117:10 am
PDX
- DEN
2 stops9h 00m
Southwest
Deal found 1/29![Southwest logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Mon 2/1610:18 pm
PDX
- DEN
1 stop28h 38m
Frontier
Deal found 1/28![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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.
Mon 5/412:52 pm
PDX
- DEN
1 stop10h 27m
Frontier
Deal found 1/30![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 1/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 1/28![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 3/88:09 pm
PDX
- DEN
1 stop27h 09m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$88
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Mon 3/302:30 pm
PDX
- DEN
1 stop8h 14m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$89
This Southwest deal was found by Cheapflights users on 1/29. 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.
Sat 2/216:40 am
PDX
- DEN
2 stops10h 10m
Southwest
Deal found 1/29![Southwest logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 3/16:56 pm
PDX
- DEN
1 stop28h 34m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$92
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 January 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $123 (Cheapflightsfares) |
One-way from | $74 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $180 |
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 January 30, 2026.
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 2/21
7:05 am-10:42 am
Nonstop2h 37m
Denver Intl
Wed 2/25
11:38 am-1:38 pm
Nonstop3h 00m
$147
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 2/27
6:57 pm-10:30 pm
Nonstop2h 33m
Denver Intl
Sat 3/7
8:00 am-9:54 am
Nonstop2h 54m
$147
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 2/21
7:05 am-10:42 am
Nonstop2h 37m
Denver Intl
Tue 2/24
11:38 am-1:38 pm
Nonstop3h 00m
$147
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 3/11
3:52 pm-9:23 pm
1 stop4h 31m
Denver Intl
Wed 3/18
6:03 pm-7:52 pm
Nonstop2h 49m
$147
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 2/27
5:15 am-8:45 am
Nonstop2h 30m
Denver Intl
Sun 3/1
10:00 pm-12:05 am
Nonstop3h 05m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 3/11
5:36 pm-11:29 pm
1 stop4h 53m
Denver Intl
Tue 3/17
12:30 pm-4:01 pm
1 stop4h 31m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 2/27
6:57 pm-10:30 pm
Nonstop2h 33m
Denver Intl
Sun 3/1
7:48 am-9:42 am
Nonstop2h 54m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Mon 3/2
4:00 pm-7:33 pm
Nonstop2h 33m
Denver Intl
Fri 3/6
9:04 pm-10:59 pm
Nonstop2h 55m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 2/19
5:45 am-12:00 pm
1 stop5h 15m
Denver Intl
Tue 3/3
6:40 am-10:47 am
1 stop5h 07m
$167
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 3/12
5:45 am-11:33 am
1 stop4h 48m
Denver Intl
Tue 3/17
5:34 am-9:04 am
1 stop4h 30m
$167
Showing 1-10 of 24 results
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
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 January 23, 2026.
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 $46). 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 January 30, 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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 12% 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 January 24, 2026.
Travelers seeking maximum savings on their Portland to Fort Collins flight should consider departing on Saturday evenings 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 January 30, 2026.
The most flights from PDX to FC9 are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 January 30, 2026.
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.
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
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 January 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$148 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$200 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$138 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$260 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$153 | Average$259 | FlexibilityNo cancel fee | On-time63% |