$113+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Aug 29 — Sep 51
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 July 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 July 30, 2026.
This Frontier deal was found by Cheapflights users on 7/28. 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.
Wed 8/265:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/277:00 am
DEN
- PDX
1 stop5h 35m
Frontier
Deal found 7/28![Frontier logo]()
$189
This Super.com deal was found by Cheapflights users on 7/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:34 pm
PDX
- DEN
Nonstop2h 32m
Frontier
Sun 10/252:45 pm
DEN
- PDX
Nonstop2h 50m
Frontier
Deal found 7/27![Frontier logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Tue 8/185:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Sun 8/233:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/2812:20 pm
PDX
- DEN
Nonstop2h 43m
Multiple Airlines
Wed 9/98:08 am
DEN
- PDX
Nonstop2h 42m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$192
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Thu 9/312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 9/73:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$193
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 8/3110:00 am
DEN
- PDX
1 stop8h 21m
Frontier
Deal found 7/29![Frontier logo]()
$194
This Orbitz deal was found by Cheapflights users on 7/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:38 pm
PDX
- DEN
Nonstop2h 40m
Multiple Airlines
Mon 9/286:17 am
DEN
- PDX
1 stop8h 31m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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.
Sat 8/295:56 pm
PDX
- DEN
1 stop15h 07m
Frontier
Sat 9/53:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 9/45:56 pm
PDX
- DEN
1 stop29h 48m
Frontier
Sun 9/63:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/277:00 am
DEN
- PDX
1 stop5h 35m
Frontier
Deal found 7/26![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/3112:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Fri 9/43:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/28![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 9/1112:39 pm
PDX
- DEN
1 stop20h 28m
Frontier
Fri 9/1810:00 am
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$200
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 July 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 July 30, 2026.
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 9/124:07 pm
PDX
- DEN
Nonstop2h 38m
United Airlines
Tue 9/157:50 am
DEN
- PDX
Nonstop2h 42m
United Airlines
Deal found 7/25![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 7/25. 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 9/121:35 pm
PDX
- DEN
2 stops8h 15m
Southwest
Wed 9/167:35 am
DEN
- PDX
1 stop6h 45m
Southwest
Deal found 7/25![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 8/295:54 pm
PDX
- DEN
1 stop5h 04m
Delta
Sun 8/306:20 am
DEN
- PDX
1 stop5h 22m
Delta
Deal found 7/28![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/29. 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 8/291:35 pm
PDX
- DEN
2 stops8h 10m
Southwest
Wed 9/29:05 am
DEN
- PDX
2 stops8h 05m
Southwest
Deal found 7/29![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 10/95:49 pm
PDX
- DEN
1 stop5h 06m
Delta
Sun 10/115:20 am
DEN
- PDX
1 stop4h 30m
Delta
Deal found 7/29![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:25 am
PDX
- DEN
1 stop5h 22m
Delta
Fri 10/166:10 am
DEN
- PDX
1 stop6h 59m
Delta
Deal found 7/27![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/29. 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 9/105:15 pm
PDX
- DEN
1 stop4h 55m
Southwest
Mon 9/144:10 pm
DEN
- PDX
2 stops7h 05m
Southwest
Deal found 7/29![Southwest logo]()
$258
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 am
PDX
- DEN
1 stop5h 02m
Delta
Sat 8/296:28 pm
DEN
- PDX
1 stop5h 10m
Delta
Deal found 7/27![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 8/267:50 am
PDX
- DEN
2 stops8h 20m
Southwest
Thu 8/274:10 pm
DEN
- PDX
2 stops7h 00m
Southwest
Deal found 7/28![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 8/197:50 am
PDX
- DEN
2 stops6h 55m
Southwest
Thu 8/274:10 pm
DEN
- PDX
2 stops7h 00m
Southwest
Deal found 7/26![Southwest logo]()
$288
This Southwest deal was found by Cheapflights users on 7/29. 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 10/85:30 am
PDX
- DEN
2 stops6h 55m
Southwest
Sun 10/116:10 am
DEN
- PDX
1 stop5h 15m
Southwest
Deal found 7/29![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/29. 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 8/245:00 am
PDX
- DEN
2 stops7h 55m
Southwest
Fri 8/2812:30 pm
DEN
- PDX
2 stops6h 55m
Southwest
Deal found 7/29![Southwest logo]()
$292
Last-minute flights from Portland to Fort CollinsDiscover last-minute flight deals from Portland to Fort Collins. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Fort Collins. Data last updated July 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:49 pm
PDX
- DEN
1 stop8h 59m
Frontier
Sat 8/223:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:49 pm
PDX
- DEN
1 stop8h 59m
Frontier
Mon 8/173:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$284
This Super.com deal was found by Cheapflights users on 7/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Wed 8/193:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/203:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Sun 8/233:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Sat 8/153:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:36 pm
PDX
- DEN
1 stop6h 06m
Frontier
Wed 8/193:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 8/177:00 am
DEN
- PDX
1 stop5h 35m
Frontier
Deal found 7/26![Frontier logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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.
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 8/103:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Wed 8/122:55 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Deal found 7/26![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Sun 8/163:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$289
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 July 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 July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sun 9/2011:02 am
PDX
- DEN
1 stop21h 30m
Frontier
Deal found 7/28![Frontier logo]()
$113
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 9/23:43 pm
PDX
- DEN
1 stop6h 59m
United Airlines
Deal found 7/27![United Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sun 8/3012:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/28![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/285:56 pm
PDX
- DEN
1 stop15h 07m
Frontier
Deal found 7/27![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 7/26![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:34 pm
PDX
- DEN
1 stop5h 18m
Frontier
Deal found 7/29![Frontier logo]()
$118
This Southwest deal was found by Cheapflights users on 7/28. 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.
Tue 9/85:50 am
PDX
- DEN
1 stop6h 10m
Southwest
Deal found 7/28![Southwest logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 8/246:17 pm
PDX
- DEN
1 stop26h 24m
Frontier
Deal found 7/26![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:56 pm
PDX
- DEN
1 stop5h 48m
Frontier
Deal found 7/29![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 7/29. 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 9/237:50 am
PDX
- DEN
2 stops6h 55m
Southwest
Deal found 7/29![Southwest logo]()
$124
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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.
Sun 8/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sun 10/255:30 pm
PDX
- DEN
1 stop20h 07m
Frontier
Deal found 7/29![Frontier logo]()
$128
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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $189 (Frontier) |
One-way from | $113 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $289 |
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 July 30, 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 - DEN
PDXDEN
Portland
Sat 9/12
4:07 pm-7:45 pm
Nonstop2h 38m
Denver Intl
Tue 9/15
7:50 am-9:32 am
Nonstop2h 42m
$217
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 9/12
1:35 pm-10:50 pm
2 stops8h 15m
Denver Intl
Wed 9/16
7:35 am-1:20 pm
1 stop6h 45m
$242
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 8/29
5:54 pm-11:58 pm
1 stop5h 04m
Denver Intl
Sun 8/30
6:20 am-10:42 am
1 stop5h 22m
$247
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 8/29
1:35 pm-10:45 pm
2 stops8h 10m
Denver Intl
Wed 9/2
9:05 am-4:10 pm
2 stops8h 05m
$252
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 10/9
5:49 pm-11:55 pm
1 stop5h 06m
Denver Intl
Sun 10/11
5:20 am-8:50 am
1 stop4h 30m
$257
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 10/15
11:25 am-5:47 pm
1 stop5h 22m
Denver Intl
Fri 10/16
6:10 am-12:09 pm
1 stop6h 59m
$257
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 9/10
5:15 pm-11:10 pm
1 stop4h 55m
Denver Intl
Mon 9/14
4:10 pm-10:15 pm
2 stops7h 05m
$258
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 8/22
5:45 am-11:47 am
1 stop5h 02m
Denver Intl
Sat 8/29
6:28 pm-10:38 pm
1 stop5h 10m
$262
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 8/26
7:50 am-5:10 pm
2 stops8h 20m
Denver Intl
Thu 8/27
4:10 pm-10:10 pm
2 stops7h 00m
$282
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 8/19
7:50 am-3:45 pm
2 stops6h 55m
Denver Intl
Thu 8/27
4:10 pm-10:10 pm
2 stops7h 00m
$288
Showing 1-10 of 21 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 July 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 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 July 30, 2026.
The most flights from PDX to FC9 are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 $161 and $289 in August.The cheapest round-trip price found within the last 5 days was $189 on Frontier (Aug 26-Aug 27).
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 July 25, 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 July 30, 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.
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
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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Alternative routes for Portland to Fort Collins
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Complete your trip
Complete your trip to Fort Collins by adding a car rental and/or hotel reservation to your travel itinerary.
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 July 30, 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 July 30, 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 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$178 | 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$142 | Average$273 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$292 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$412 | FlexibilityNo cancel fee | On-time69% |