$56+ Cheap flights from Sky Harbor Intl (PHX) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl 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 Phoenix Sky Harbor Intl to Fort Collins are usually found in February or October, booked 69 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from Sky Harbor Intl to Fort Collins
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Best
Last-minute
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Cheapest flights from Sky Harbor Intl to Fort CollinsExplore the most affordable flight options available from Sky Harbor Intl to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/316:57 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Sat 9/510:29 pm
DEN
- PHX
1 stop10h 29m
Frontier
Deal found 7/30![Frontier logo]()
$109
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.
Tue 8/182:04 pm
PHX
- DEN
1 stop6h 37m
Frontier
Thu 8/278:31 pm
DEN
- PHX
Nonstop1h 57m
Frontier
Deal found 7/28![Frontier logo]()
$110
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.
Wed 8/262:04 pm
PHX
- DEN
1 stop9h 06m
Frontier
Thu 8/2710:48 pm
DEN
- PHX
Nonstop1h 51m
Frontier
Deal found 7/28![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:21 am
PHX
- DEN
1 stop11h 01m
Frontier
Sun 9/207:00 am
DEN
- PHX
Nonstop2h 00m
Frontier
Deal found 7/31![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:25 am
PHX
- DEN
Nonstop2h 18m
Frontier
Mon 9/286:38 pm
DEN
- PHX
1 stop5h 09m
Frontier
Deal found 7/31![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/296:57 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Sat 9/510:29 pm
DEN
- PHX
1 stop10h 29m
Frontier
Deal found 7/30![Frontier logo]()
$114
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.
Tue 8/2510:09 pm
PHX
- DEN
1 stop4h 39m
Frontier
Wed 8/269:15 am
DEN
- PHX
Nonstop1h 56m
Frontier
Deal found 7/29![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:21 am
PHX
- DEN
Nonstop1h 56m
Frontier
Mon 8/315:05 am
DEN
- PHX
1 stop8h 07m
Frontier
Deal found 7/30![Frontier logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 8/1911:21 am
PHX
- DEN
Nonstop1h 56m
Frontier
Thu 8/202:55 pm
DEN
- PHX
1 stop9h 05m
Frontier
Deal found 7/30![Frontier logo]()
$117
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 10/198:16 am
PHX
- DEN
Nonstop1h 56m
Frontier
Thu 10/226:10 am
DEN
- PHX
Nonstop2h 01m
Frontier
Deal found 7/26![Frontier logo]()
$118
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:40 pm
PHX
- DEN
Nonstop1h 55m
Frontier
Tue 11/1010:30 am
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 7/27![Frontier 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.
Sat 10/176:30 am
PHX
- DEN
1 stop6h 14m
Frontier
Mon 10/196:10 am
DEN
- PHX
Nonstop2h 01m
Frontier
Deal found 7/26![Frontier logo]()
$120
Best flights from Sky Harbor Intl to Fort CollinsDiscover carefully curated flight deals from Sky Harbor Intl to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:49 pm
PHX
- DEN
1 stop15h 31m
Alaska Airlines
Sat 8/296:17 am
DEN
- PHX
1 stop6h 14m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:25 pm
PHX
- DEN
Nonstop1h 50m
Southwest
Mon 9/288:40 pm
DEN
- PHX
Nonstop2h 00m
Southwest
Deal found 7/31![Southwest logo]()
$235
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
PHX
- DEN
Nonstop1h 55m
United Airlines
Sun 8/304:11 pm
DEN
- PHX
Nonstop1h 59m
United Airlines
Deal found 7/30![United Airlines logo]()
$259
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 9/35:10 pm
PHX
- DEN
1 stop4h 45m
Delta
Fri 9/45:35 am
DEN
- PHX
1 stop4h 09m
Delta
Deal found 7/27![Delta logo]()
$309
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.
Fri 9/118:50 pm
PHX
- DEN
Nonstop1h 50m
Southwest
Sun 9/138:00 am
DEN
- PHX
Nonstop2h 05m
Southwest
Deal found 7/26![Southwest logo]()
$264
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:13 pm
PHX
- DEN
1 stop7h 17m
Alaska Airlines
Wed 8/196:17 am
DEN
- PHX
1 stop6h 14m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$270
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 8/2712:35 pm
PHX
- DEN
1 stop3h 20m
Southwest
Sun 8/308:30 am
DEN
- PHX
2 stops6h 50m
Southwest
Deal found 7/29![Southwest logo]()
$293
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:13 pm
PHX
- DEN
1 stop6h 13m
Alaska Airlines
Sat 8/298:08 am
DEN
- PHX
2 stops11h 59m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:13 pm
PHX
- DEN
1 stop7h 17m
Alaska Airlines
Fri 8/76:00 am
DEN
- PHX
1 stop7h 23m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$342
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.
Thu 10/225:50 am
PHX
- DEN
1 stop4h 10m
Southwest
Fri 10/231:25 pm
DEN
- PHX
2 stops6h 05m
Southwest
Deal found 7/26![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/173:13 pm
PHX
- DEN
1 stop7h 17m
Alaska Airlines
Mon 8/248:08 am
DEN
- PHX
2 stops11h 59m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$365
Last-minute flights from Sky Harbor Intl to Fort CollinsDiscover last-minute flight deals from Sky Harbor Intl to Fort Collins. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Fort Collins. Data last updated August 1, 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.
Wed 8/51:35 pm
PHX
- DEN
Nonstop1h 59m
Frontier
Sat 8/152:46 pm
DEN
- PHX
Nonstop1h 58m
Frontier
Deal found 7/26![Frontier logo]()
$167
This Super.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:40 am
PHX
- DEN
Nonstop1h 58m
Frontier
Fri 8/146:45 am
DEN
- PHX
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 8/74:48 pm
PHX
- DEN
Nonstop1h 58m
Frontier
Tue 8/119:15 am
DEN
- PHX
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$206
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.
Sat 8/81:15 pm
PHX
- DEN
Nonstop1h 59m
Frontier
Mon 8/176:45 am
DEN
- PHX
Nonstop1h 55m
Frontier
Deal found 7/27![Frontier logo]()
$164
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 8/81:15 pm
PHX
- DEN
Nonstop1h 59m
Frontier
Sat 8/152:46 pm
DEN
- PHX
Nonstop1h 58m
Frontier
Deal found 7/26![Frontier logo]()
$183
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.
Sat 8/81:15 pm
PHX
- DEN
Nonstop1h 59m
Frontier
Sat 9/122:28 pm
DEN
- PHX
1 stop7h 06m
Frontier
Deal found 7/28![Frontier logo]()
$186
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 8/96:53 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Sat 8/152:46 pm
DEN
- PHX
Nonstop1h 58m
Frontier
Deal found 7/26![Frontier logo]()
$193
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 8/106:53 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Tue 8/1810:48 pm
DEN
- PHX
Nonstop1h 51m
Frontier
Deal found 7/26![Frontier logo]()
$173
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 8/109:18 am
PHX
- DEN
1 stop7h 03m
Frontier
Mon 8/1710:36 pm
DEN
- PHX
Nonstop1h 51m
Frontier
Deal found 7/26![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 8/106:53 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Sat 8/1510:36 pm
DEN
- PHX
Nonstop1h 51m
Frontier
Deal found 7/30![Frontier logo]()
$207
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:48 pm
PHX
- DEN
Nonstop1h 58m
Frontier
Tue 8/1112:22 pm
DEN
- PHX
Nonstop1h 55m
Frontier
Deal found 7/30![Frontier logo]()
$208
One-way flights from Sky Harbor Intl to Fort CollinsSearch for one-way flight options from Sky Harbor Intl to Fort Collins. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Sky Harbor Intl to Fort Collins. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Tue 10/277:05 am
PHX
- DEN
1 stop5h 44m
Frontier
Deal found 7/30![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:23 pm
PHX
- DEN
1 stop15h 44m
Frontier
Deal found 7/31![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/265:55 pm
PHX
- DEN
1 stop8h 57m
Frontier
Deal found 7/30![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/2810:33 pm
PHX
- DEN
1 stop19h 47m
Frontier
Deal found 7/30![Frontier logo]()
$60
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 8/3110:33 pm
PHX
- DEN
1 stop10h 30m
Frontier
Deal found 7/28![Frontier logo]()
$62
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.
Tue 8/182:04 pm
PHX
- DEN
1 stop26h 56m
Frontier
Deal found 7/28![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 pm
PHX
- DEN
1 stop5h 20m
Frontier
Deal found 7/31![Frontier logo]()
$64
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.
Wed 8/262:04 pm
PHX
- DEN
1 stop12h 44m
Frontier
Deal found 7/27![Frontier logo]()
$65
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:09 pm
PHX
- DEN
1 stop12h 10m
Frontier
Deal found 7/27![Frontier logo]()
$66
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.
Sat 8/299:03 am
PHX
- DEN
1 stop7h 57m
Frontier
Deal found 7/27![Frontier logo]()
$68
Find flight deals from Sky Harbor Intl to Fort Collins
Keep the following information in mind while searching for Sky Harbor Intl to Fort Collins flight deals. Data was last updated August 1, 2026.
Round-trip from | $109 (Kiwi.com) |
|---|---|
One-way from | $56 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $203 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Fort Collins that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Fort Collins that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Mon 8/24
7:49 pm-12:20 pm
1 stop15h 31m
Denver Intl
Sat 8/29
6:17 am-11:31 am
1 stop6h 14m
$214
Quickest round-trip
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sat 9/26
5:25 pm-8:15 pm
Nonstop1h 50m
Denver Intl
Mon 9/28
8:40 pm-9:40 pm
Nonstop2h 00m
$235
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 8/27
6:00 am-8:55 am
Nonstop1h 55m
Denver Intl
Sun 8/30
4:11 pm-5:10 pm
Nonstop1h 59m
$259
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Fri 9/11
8:50 pm-11:40 pm
Nonstop1h 50m
Denver Intl
Sun 9/13
8:00 am-9:05 am
Nonstop2h 05m
$264
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Tue 8/11
3:13 pm-11:30 pm
1 stop7h 17m
Denver Intl
Wed 8/19
6:17 am-11:31 am
1 stop6h 14m
$270
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 8/27
12:35 pm-4:55 pm
1 stop3h 20m
Denver Intl
Sun 8/30
8:30 am-2:20 pm
2 stops6h 50m
$293
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sat 8/22
12:13 pm-7:26 pm
1 stop6h 13m
Denver Intl
Sat 8/29
8:08 am-7:07 pm
2 stops11h 59m
$305
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 9/3
5:10 pm-10:55 pm
1 stop4h 45m
Denver Intl
Fri 9/4
5:35 am-8:44 am
1 stop4h 09m
$309
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Tue 8/4
3:13 pm-11:30 pm
1 stop7h 17m
Denver Intl
Fri 8/7
6:00 am-12:23 pm
1 stop7h 23m
$342
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 10/22
5:50 am-11:00 am
1 stop4h 10m
Denver Intl
Fri 10/23
1:25 pm-6:30 pm
2 stops6h 05m
$348
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Sky Harbor Intl to Fort Collins
Have a flexible travel schedule? Discover the best time to fly to Fort Collins from Sky Harbor Intl with our price prediction graph.
PHX-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 Phoenix Sky Harbor Intl Airport to Fort Collins
PHX-FC9
PHX-DEN
What is the cheapest time of day to fly from PHX to FC9?
Find hourly flight availability from Sky Harbor Intl to Fort Collins. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.
One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport 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 45% on airfare.
Weekly flight availability from Phoenix Sky Harbor Intl Airport to Fort Collins
Explore weekly flight availability from Sky Harbor Intl to Fort Collins. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2026.
The most flights from PHX to FC9 are scheduled on a Friday (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Fort Collins?
Airfare is below average for this route at the moment.
Phoenix Sky Harbor Intl Airport to Fort Collins flights typically cost between $133 and $266 in August.The cheapest round-trip price found within the last 5 days was $109 on Frontier (Aug 31-Sep 5).
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Fort Collins?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Fort Collins. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Fort Collins flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Fort Collins
Get insights into the airlines that provide service to Fort Collins. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fort Collins. Reviews last updated August 1, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Phoenix Sky Harbor Intl Airport 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
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl 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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Complete your trip
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Sky Harbor Intl and Fort Collins flights
Browse other Sky Harbor Intl and Fort Collins flight options. Last updated on August 1, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on August 1, 2026.
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Sky Harbor Intl to Fort Collins flights
Consider these flights traveling from Sky Harbor Intl to Fort Collins.
Top 4 airlines flying from Sky Harbor Intl to Fort Collins
Discover the top 4 airlines that operate flights from Sky Harbor Intl to Fort Collins. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$157 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$262 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$141 | Average$351 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$301 | FlexibilityNo cancel fee | On-time63% |