$56+ Cheap flights from Colorado to Phoenix
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Phoenix 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
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Cheapest flights from Colorado to PhoenixExplore the most affordable flight options available from Colorado to Phoenix. 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 Colorado to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:00 am
DEN
- PHX
Nonstop2h 07m
Frontier
Sat 10/178:16 am
PHX
- DEN
Nonstop1h 56m
Frontier
Deal found 8/1![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:34 pm
DEN
- PHX
Nonstop2h 01m
Frontier
Mon 10/194:44 pm
PHX
- DEN
1 stop6h 28m
Frontier
Deal found 8/1![Frontier logo]()
$117
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:40 am
DEN
- PHX
1 stop6h 43m
Frontier
Sun 9/209:15 am
PHX
- DEN
Nonstop1h 56m
Frontier
Deal found 7/31![Frontier logo]()
$120
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:31 pm
DEN
- PHX
Nonstop1h 57m
Frontier
Sun 8/306:57 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Deal found 7/31![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:39 pm
DEN
- PHX
1 stop7h 56m
Frontier
Fri 10/163:40 pm
PHX
- DEN
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$122
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.
Fri 8/216:45 am
DEN
- PHX
Nonstop1h 55m
Frontier
Mon 8/2410:30 pm
PHX
- DEN
1 stop9h 35m
Frontier
Deal found 7/28![Frontier logo]()
$124
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.
Thu 8/274:25 pm
DEN
- PHX
1 stop7h 59m
Frontier
Thu 9/34:48 pm
PHX
- DEN
Nonstop1h 58m
Frontier
Deal found 7/29![Frontier logo]()
$125
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.
Fri 8/288:31 pm
DEN
- PHX
Nonstop1h 57m
Frontier
Sat 8/294:48 pm
PHX
- DEN
Nonstop1h 58m
Frontier
Deal found 7/29![Frontier logo]()
$126
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.
Thu 9/104:11 pm
DEN
- PHX
1 stop6h 39m
Frontier
Sat 9/123:21 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 7/30![Frontier logo]()
$127
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.
Sat 9/121:18 pm
DEN
- PHX
Nonstop1h 59m
Frontier
Fri 9/189:15 am
PHX
- DEN
Nonstop1h 56m
Frontier
Deal found 7/28![Frontier logo]()
$128
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 8/182:45 pm
DEN
- PHX
Nonstop1h 58m
Frontier
Thu 8/209:03 am
PHX
- DEN
1 stop7h 57m
Frontier
Deal found 7/29![Frontier logo]()
$129
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.
Thu 9/109:37 am
DEN
- AZA
1 stop9h 59m
Multiple Airlines
Thu 9/178:20 am
AZA
- DEN
1 stop5h 50m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$188
Best flights from Colorado to PhoenixDiscover carefully curated flight deals from Colorado to Phoenix 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 Colorado to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 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.
Thu 9/109:37 am
DEN
- AZA
1 stop9h 59m
Multiple Airlines
Thu 9/178:20 am
AZA
- DEN
1 stop5h 50m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$195
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.
Wed 10/216:59 pm
DEN
- PHX
1 stop15h 27m
Alaska Airlines
Sat 10/247:38 am
PHX
- DEN
1 stop9h 23m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$211
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.
Wed 10/215:20 am
DEN
- PHX
1 stop4h 26m
Delta
Mon 10/265:20 pm
PHX
- DEN
1 stop4h 44m
Delta
Deal found 7/27![Delta logo]()
$227
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.
Thu 9/243:00 pm
COS
- PHX
1 stop8h 00m
Southwest
Mon 9/284:55 pm
PHX
- COS
1 stop5h 45m
Southwest
Deal found 7/31![Southwest logo]()
$233
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:05 am
DEN
- PHX
Nonstop1h 59m
United Airlines
Tue 9/19:23 am
PHX
- DEN
Nonstop1h 55m
United Airlines
Deal found 7/29![United Airlines logo]()
$237
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:55 am
CEZ
- PHX
Nonstop1h 50m
Denver Air Connection
Tue 9/81:15 pm
PHX
- CEZ
Nonstop1h 50m
Denver Air Connection
Deal found 7/28![Denver Air Connection logo]()
$254
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:21 pm
MTJ
- PHX
1 stop8h 33m
American Airlines
Mon 8/316:10 am
PHX
- MTJ
1 stop6h 20m
American Airlines
Deal found 7/29![American Airlines logo]()
$279
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.
Mon 10/266:00 pm
DEN
- PHX
1 stop6h 58m
Delta
Tue 10/275:45 am
PHX
- DEN
1 stop5h 11m
Delta
Deal found 7/27![Delta logo]()
$227
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.
Thu 9/176:17 am
DEN
- PHX
1 stop6h 14m
Alaska Airlines
Tue 9/2212:13 pm
PHX
- DEN
1 stop6h 13m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$234
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 am
COS
- PHX
Nonstop1h 55m
Southwest
Sun 10/1810:00 pm
PHX
- COS
Nonstop1h 45m
Southwest
Deal found 8/1![Southwest logo]()
$249
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.
Wed 8/267:05 am
DEN
- PHX
1 stop6h 01m
Delta
Sat 8/291:20 pm
PHX
- DEN
1 stop5h 41m
Delta
Deal found 7/29![Delta logo]()
$227
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:55 am
CEZ
- PHX
Nonstop1h 50m
Denver Air Connection
Tue 9/151:15 pm
PHX
- CEZ
Nonstop1h 50m
Denver Air Connection
Deal found 7/28![Denver Air Connection logo]()
$254
This Denver Air Connection 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:55 am
CEZ
- PHX
Nonstop1h 50m
Denver Air Connection
Mon 11/162:15 pm
PHX
- CEZ
Nonstop1h 50m
Denver Air Connection
Deal found 7/27![Denver Air Connection logo]()
$254
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 9/67:30 am
DEN
- AZA
1 stop12h 06m
Multiple Airlines
Wed 9/98:10 am
AZA
- DEN
1 stop23h 05m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$282
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
COS
- PHX
2 stops8h 05m
United Airlines
Tue 8/256:00 am
PHX
- COS
1 stop3h 30m
United Airlines
Deal found 7/31![United Airlines logo]()
$286
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 10/225:20 am
DEN
- PHX
1 stop4h 26m
Delta
Mon 10/265:20 pm
PHX
- DEN
1 stop4h 44m
Delta
Deal found 7/27![Delta logo]()
$237
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:10 pm
COS
- PHX
1 stop4h 15m
Southwest
Mon 10/125:10 pm
PHX
- COS
1 stop6h 00m
Southwest
Deal found 7/30![Southwest logo]()
$265
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:40 pm
COS
- PHX
Nonstop1h 50m
Southwest
Thu 9/176:10 pm
PHX
- COS
1 stop4h 30m
Southwest
Deal found 7/30![Southwest logo]()
$268
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.
Tue 8/258:08 am
DEN
- PHX
2 stops11h 59m
Alaska Airlines
Wed 8/2612:13 pm
PHX
- DEN
1 stop6h 13m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$298
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.
Thu 9/179:37 am
DEN
- AZA
1 stop9h 59m
Multiple Airlines
Sun 9/208:20 am
AZA
- DEN
1 stop5h 50m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$300
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 8/215:35 am
DEN
- PHX
1 stop4h 09m
Delta
Mon 8/241:20 pm
PHX
- DEN
1 stop5h 41m
Delta
Deal found 7/29![Delta logo]()
$267
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:55 am
CEZ
- PHX
Nonstop1h 50m
Denver Air Connection
Wed 9/301:15 pm
PHX
- CEZ
Nonstop1h 50m
Denver Air Connection
Deal found 7/30![Denver Air Connection logo]()
$299
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 9/111:55 am
CEZ
- PHX
Nonstop1h 50m
Multiple Airlines
Tue 9/82:15 pm
PHX
- CEZ
1 stop20h 20m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$308
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:15 am
DEN
- PHX
Nonstop1h 55m
Southwest
Tue 8/2510:50 am
PHX
- DEN
Nonstop1h 50m
Southwest
Deal found 7/30![Southwest logo]()
$280
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:23 pm
MTJ
- PHX
1 stop5h 09m
United Airlines
Sun 10/47:30 am
PHX
- MTJ
1 stop5h 57m
United Airlines
Deal found 8/1![United Airlines logo]()
$346
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 8/226:20 am
COS
- PHX
Nonstop1h 55m
Southwest
Tue 8/259:00 am
PHX
- COS
1 stop6h 35m
Southwest
Deal found 7/31![Southwest logo]()
$281
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.
Thu 9/179:37 am
DEN
- AZA
1 stop9h 59m
Multiple Airlines
Mon 9/218:30 am
AZA
- DEN
1 stop12h 08m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$312
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 10/297:15 am
MTJ
- PHX
2 stops8h 17m
United Airlines
Sat 11/78:10 am
PHX
- MTJ
1 stop4h 26m
United Airlines
Deal found 7/30![United Airlines logo]()
$354
This Denver Air Connection 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:55 am
CEZ
- PHX
Nonstop1h 50m
Denver Air Connection
Thu 8/201:15 pm
PHX
- CEZ
Nonstop1h 50m
Denver Air Connection
Deal found 7/31![Denver Air Connection logo]()
$324
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:18 pm
DRO
- PHX
Nonstop1h 37m
American Airlines
Sun 10/118:46 am
PHX
- DRO
Nonstop1h 37m
American Airlines
Deal found 8/1![American Airlines logo]()
$437
Last-minute flights from Colorado to PhoenixDiscover last-minute flight deals from Colorado to Phoenix. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Phoenix. Data last updated August 1, 2026 and is based on user searches.
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.
Tue 8/189:15 am
DEN
- PHX
Nonstop1h 56m
Frontier
Thu 8/206:35 am
PHX
- DEN
Nonstop1h 59m
Frontier
Deal found 7/30![Frontier logo]()
$128
This Cheapflightsfares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:22 pm
DEN
- PHX
Nonstop1h 55m
Frontier
Fri 8/216:35 am
PHX
- DEN
Nonstop1h 59m
Frontier
Deal found 8/1![Frontier logo]()
$131
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 am
COS
- PHX
Nonstop1h 55m
Southwest
Mon 8/248:00 am
PHX
- COS
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$245
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.
Thu 8/2010:00 am
DEN
- AZA
2 stops9h 36m
Multiple Airlines
Sun 8/238:20 am
AZA
- DEN
1 stop27h 19m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$254
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:31 pm
DEN
- PHX
Nonstop1h 57m
Frontier
Mon 8/249:03 am
PHX
- DEN
1 stop14h 07m
Frontier
Deal found 7/31![Frontier logo]()
$120
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:10 am
COS
- PHX
1 stop4h 56m
Delta
Thu 8/275:10 pm
PHX
- COS
1 stop4h 18m
Delta
Deal found 7/31![Delta logo]()
$257
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.
Wed 8/266:16 pm
COS
- PHX
1 stop6h 25m
Delta
Wed 9/25:10 pm
PHX
- COS
1 stop4h 18m
Delta
Deal found 7/29![Delta logo]()
$255
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.
Thu 8/274:25 pm
DEN
- PHX
1 stop7h 59m
Frontier
Thu 9/34:48 pm
PHX
- DEN
Nonstop1h 58m
Frontier
Deal found 7/29![Frontier logo]()
$125
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:10 pm
COS
- PHX
Nonstop1h 55m
Southwest
Mon 8/3111:35 am
PHX
- COS
Nonstop1h 40m
Southwest
Deal found 7/30![Southwest logo]()
$213
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:31 pm
DEN
- PHX
Nonstop1h 57m
Frontier
Sun 8/306:57 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Deal found 7/31![Frontier logo]()
$121
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.
Fri 8/288:31 pm
DEN
- PHX
Nonstop1h 57m
Frontier
Sat 8/294:48 pm
PHX
- DEN
Nonstop1h 58m
Frontier
Deal found 7/29![Frontier logo]()
$126
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 8/296:20 am
COS
- PHX
Nonstop1h 55m
Southwest
Mon 8/318:00 am
PHX
- COS
Nonstop1h 45m
Southwest
Deal found 7/31![Southwest logo]()
$207
One-way flights from Colorado to PhoenixSearch for one-way flight options from Colorado to Phoenix. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Colorado to Phoenix. 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 7/31. 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.
Tue 10/132:39 pm
DEN
- PHX
1 stop20h 34m
Frontier
Deal found 7/31![Frontier logo]()
$56
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.
Wed 9/3010:50 pm
DEN
- PHX
1 stop14h 32m
Frontier
Deal found 7/30![Frontier logo]()
$57
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 9/152:29 pm
DEN
- PHX
1 stop7h 05m
Frontier
Deal found 7/29![Frontier logo]()
$61
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 8/297:40 am
DEN
- PHX
1 stop25h 18m
Frontier
Deal found 7/30![Frontier logo]()
$62
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.
Wed 9/210:29 pm
DEN
- PHX
1 stop10h 29m
Frontier
Deal found 7/31![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:30 am
DEN
- PHX
1 stop5h 29m
Frontier
Deal found 8/1![Frontier logo]()
$66
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 9/286:38 pm
DEN
- PHX
1 stop5h 09m
Frontier
Deal found 7/30![Frontier logo]()
$67
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 10/2610:30 pm
DEN
- PHX
1 stop13h 19m
Frontier
Deal found 7/30![Frontier logo]()
$68
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.
Thu 9/177:30 am
DEN
- PHX
1 stop16h 17m
Frontier
Deal found 7/29![Frontier logo]()
$69
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.
Thu 8/277:30 am
DEN
- AZA
1 stop12h 06m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$93
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.
Thu 11/58:39 am
DEN
- AZA
1 stop14h 23m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$95
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.
Thu 9/179:37 am
DEN
- AZA
1 stop9h 59m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$98
Find flight deals from Colorado to Phoenix
Keep the following information in mind while searching for Colorado to Phoenix flight deals. Data was last updated August 1, 2026.
Round-trip from | $116 (Frontier) |
|---|---|
One-way from | $56 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $200 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Phoenix 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 Colorado to Phoenix that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverPhoenix
DEN - AZA
DENAZA
Denver Intl
Thu 9/10
9:37 am-6:36 pm
1 stop9h 59m
Phoenix-Mesa Gateway
Thu 9/17
8:20 am-3:10 pm
1 stop5h 50m
$195
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Wed 10/21
6:59 pm-9:26 am
1 stop15h 27m
Phoenix Sky Harbor Intl
Sat 10/24
7:38 am-6:01 pm
1 stop9h 23m
$211
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Wed 10/21
5:20 am-8:46 am
1 stop4h 26m
Phoenix Sky Harbor Intl
Mon 10/26
5:20 pm-11:04 pm
1 stop4h 44m
$227
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Mon 10/26
6:00 pm-11:58 pm
1 stop6h 58m
Phoenix Sky Harbor Intl
Tue 10/27
5:45 am-11:56 am
1 stop5h 11m
$227
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Wed 8/26
7:05 am-12:06 pm
1 stop6h 01m
Phoenix Sky Harbor Intl
Sat 8/29
1:20 pm-8:01 pm
1 stop5h 41m
$227
Colorado SpringsPhoenix
COS - PHX
COSPHX
Colorado Springs
Thu 9/24
3:00 pm-10:00 pm
1 stop8h 00m
Phoenix Sky Harbor Intl
Mon 9/28
4:55 pm-11:40 pm
1 stop5h 45m
$233
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Thu 9/17
6:17 am-11:31 am
1 stop6h 14m
Phoenix Sky Harbor Intl
Tue 9/22
12:13 pm-7:26 pm
1 stop6h 13m
$234
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Fri 8/28
8:05 am-9:04 am
Nonstop1h 59m
Phoenix Sky Harbor Intl
Tue 9/1
9:23 am-12:18 pm
Nonstop1h 55m
$237
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Thu 10/22
5:20 am-8:46 am
1 stop4h 26m
Phoenix Sky Harbor Intl
Mon 10/26
5:20 pm-11:04 pm
1 stop4h 44m
$237
Colorado SpringsPhoenix
COS - PHX
COSPHX
Colorado Springs
Wed 10/14
7:45 am-8:40 am
Nonstop1h 55m
Phoenix Sky Harbor Intl
Sun 10/18
10:00 pm-12:45 am
Nonstop1h 45m
$249
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix from Colorado with our price prediction graph.
DEN-PHX
COS-PHX
DEN-AZA
CEZ-PHX
MTJ-PHX
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 Colorado to Phoenix
USCO-PH1
DEN-PHX
COS-PHX
DEN-AZA
CEZ-PHX
What is the cheapest month to book a flight from Colorado to Phoenix?
Currently, September is the cheapest month in which you can book a flight from Colorado to Phoenix (average of $189). Flying from Colorado to Phoenix in July is currently the most expensive (average of $251). 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 CO to PHX?
Find hourly flight availability from Colorado to Phoenix. 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.
It’s optimal to fly from Colorado to Phoenix at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from Colorado to Phoenix
Explore weekly flight availability from Colorado to Phoenix. 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 USCO to PH1 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 (10 on average).
How much does it cost to fly round-trip from Colorado to Phoenix?
Airfare is below average for this route at the moment.
Colorado to Phoenix flights typically cost between $141 and $260 in October.The cheapest round-trip price found within the last 5 days was $116 on Frontier (Oct 15-Oct 21).
How far ahead should I book a flight from Colorado to Phoenix?
To ensure you get the cheapest price possible for a flight from Colorado to Phoenix, you should look to book at least 52 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 day to fly from Colorado to Phoenix?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Phoenix. Price data was last updated on October 19, 2025.
Travelers seeking maximum savings on their Colorado to Phoenix flight should consider departing on Wednesday at noon 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.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Phoenix. 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 Colorado to Phoenix
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Complete your trip
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Search flights from Colorado to Phoenix by cabin class
Find flights from Colorado to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Phoenix flights
Browse other Colorado and Phoenix flight options. Last updated on August 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Colorado to Phoenix flights
Consider these flights traveling from Colorado to Phoenix.
Top 6 airlines flying from Colorado to Phoenix
Discover the top 6 airlines that operate flights from Colorado to Phoenix. 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$61 | Average$185 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$89 | Average$136 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$138 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$156 | Average$315 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$174 | Average$250 | FlexibilityNo cancel fee | On-time62% |