$60+ Cheap flights from Denver (DEN) to Sky Harbor Intl (PHX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Sky Harbor Intl 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 Denver Intl to Phoenix Sky Harbor Intl are usually found in January or December, booked 37 days in advance, depart on a Saturday or Wednesday and return on a Saturday
Cheap flight deals from Denver to Sky Harbor Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to Sky Harbor IntlExplore the most affordable flight options available from Denver to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Denver to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/13. 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 11/107:00 am -
Nonstop2h 04m
Thu 11/129:59 pm -
Nonstop1h 54m
Deal found 9/13![Frontier logo]()
$77
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 10/110:47 pm -
Nonstop1h 56m
Sat 10/39:15 am -
Nonstop1h 56m
Deal found 9/12![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/306:46 pm -
Nonstop2h 08m
Mon 11/29:59 pm -
Nonstop1h 54m
Deal found 9/14![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/217:12 am -
Nonstop1h 58m
Wed 10/213:29 pm -
Nonstop1h 55m
Deal found 9/12![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 9/12. 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 10/1910:44 pm -
Nonstop2h 04m
Thu 10/226:15 am -
Nonstop1h 55m
Deal found 9/12![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/610:47 pm -
Nonstop1h 56m
Wed 10/148:51 pm -
Nonstop1h 52m
Deal found 9/15![Frontier logo]()
$105
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:14 pm -
Nonstop2h 03m
Sat 11/2110:03 pm -
Nonstop1h 46m
Deal found 9/16![Frontier logo]()
$106
This eDestinos deal was found by Cheapflights users on 9/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
Nonstop2h 00m
Wed 10/143:29 pm -
Nonstop1h 55m
Deal found 9/16![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/77:00 am -
Nonstop2h 00m
Tue 10/138:51 pm -
Nonstop1h 52m
Deal found 9/16![Frontier logo]()
$109
This Expedia deal was found by Cheapflights users on 9/14. 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.
Thu 11/1210:37 pm -
Nonstop2h 05m
Mon 11/169:59 pm -
Nonstop1h 54m
Deal found 9/14![Frontier logo]()
$110
Best flights from Denver to Sky Harbor IntlDiscover carefully curated flight deals from Denver to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Denver to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/16. 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.
Sat 10/109:03 am -
1 stop6h 31m
Tue 10/1310:55 am -
1 stop9h 54m
Deal found 9/16![Frontier logo]()
$166
This Southwest deal was found by Cheapflights users on 9/15. 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 11/102:25 pm -
Nonstop1h 55m
Thu 11/129:50 pm -
Nonstop1h 55m
Deal found 9/15![Southwest logo]()
$199
This Delta deal was found by Cheapflights users on 9/16. 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 10/247:15 am -
1 stop6h 02m
Wed 10/285:29 pm -
1 stop4h 11m
Deal found 9/16![Delta logo]()
$205
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 11/187:33 am -
2 stops8h 37m
Sat 11/218:26 pm -
1 stop13h 50m
Deal found 9/13![Alaska Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:35 am -
Nonstop2h 02m
Sat 11/289:05 pm -
Nonstop1h 53m
Deal found 9/16![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 9/13. 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 10/144:20 pm -
1 stop4h 40m
Mon 10/196:05 pm -
1 stop4h 10m
Deal found 9/13![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 9/14. 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 12/88:50 am -
1 stop3h 20m
Fri 12/118:00 am -
1 stop3h 20m
Deal found 9/14![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 9/15. 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 11/2010:45 am -
1 stop6h 33m
Mon 11/2310:45 am -
1 stop6h 25m
Deal found 9/15![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 9/16. 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 10/165:55 am -
Nonstop1h 55m
Sun 10/189:35 pm -
Nonstop1h 45m
Deal found 9/16![Southwest logo]()
$310
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 10/45:30 am -
1 stop4h 08m
Fri 10/161:30 pm -
1 stop5h 04m
Deal found 9/13![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 9/15. 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 10/301:25 pm -
2 stops6h 05m
Mon 11/28:00 am -
1 stop3h 20m
Deal found 9/15![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 9/12. 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 11/205:00 am -
Nonstop2h 00m
Fri 11/2710:40 pm -
Nonstop1h 50m
Deal found 9/12![Southwest logo]()
$341
Last-minute flights from Denver to Sky Harbor IntlDiscover last-minute flight deals from Denver to Sky Harbor Intl. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Sky Harbor Intl. Data last updated September 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 10/110:47 pm -
Nonstop1h 56m
Sat 10/39:15 am -
Nonstop1h 56m
Deal found 9/12![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/610:47 pm -
Nonstop1h 56m
Tue 10/136:15 am -
Nonstop1h 55m
Deal found 9/15![Frontier logo]()
$105
This eDestinos deal was found by Cheapflights users on 9/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
Nonstop2h 00m
Wed 10/143:29 pm -
Nonstop1h 55m
Deal found 9/16![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/77:00 am -
Nonstop2h 00m
Tue 10/138:51 pm -
Nonstop1h 52m
Deal found 9/16![Frontier logo]()
$109
This Priceline deal was found by Cheapflights users on 9/16. 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.
Wed 10/710:47 pm -
Nonstop1h 56m
Thu 10/89:15 am -
Nonstop2h 00m
Deal found 9/16![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1010:44 pm -
Nonstop2h 04m
Wed 10/148:51 pm -
Nonstop1h 52m
Deal found 9/16![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1010:44 pm -
Nonstop2h 04m
Sat 10/178:51 pm -
Nonstop1h 52m
Deal found 9/16![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 9/12. 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 10/1910:44 pm -
Nonstop2h 04m
Thu 10/226:15 am -
Nonstop1h 55m
Deal found 9/12![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/217:12 am -
Nonstop1h 58m
Wed 10/213:29 pm -
Nonstop1h 55m
Deal found 9/12![Frontier logo]()
$103
This Expedia deal was found by Cheapflights users on 9/14. 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 10/264:10 pm -
Nonstop2h 07m
Tue 10/278:52 am -
1 stop10h 33m
Deal found 9/14![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/306:46 pm -
Nonstop2h 08m
Mon 11/29:59 pm -
Nonstop1h 54m
Deal found 9/14![Frontier logo]()
$102
One-way flights from Denver to Sky Harbor IntlSearch for one-way flight options from Denver to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Denver to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/1010:37 pm -
Nonstop2h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$60
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:44 pm -
Nonstop2h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$61
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/87:12 am -
Nonstop1h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 12/1510:06 am -
Nonstop1h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$64
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:50 pm -
Nonstop2h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$66
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 11/126:46 pm -
Nonstop2h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/167:00 am -
Nonstop2h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 9/15. 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 10/157:12 am -
Nonstop1h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$72
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 11/32:28 pm -
1 stop7h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$73
This Super.com deal was found by Cheapflights users on 9/16. 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 10/1610:44 pm -
Nonstop2h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$74
This Super.com deal was found by Cheapflights users on 9/15. 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 11/1310:37 pm -
Nonstop2h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$75
This Super.com deal was found by Cheapflights users on 9/14. 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 11/510:37 pm -
Nonstop2h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$78
Find flight deals from Denver to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $77 (Priceline) |
One-way from | $60 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $200 |
Good round-trip deal | $160 or less |
Good one-way deal | $113 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Sky Harbor Intl 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Denver to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Wed 11/11
8:50 am-12:10 pm
1 stop3h 20m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Thu 10/15
9:00 pm-9:59 pm
Nonstop1h 59m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Mon 10/19
9:00 pm-9:59 pm
Nonstop1h 59m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Sun 11/29
5:50 pm-4:45 pm
1 stop22h 55m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Sun 11/22
8:00 pm-10:29 am
1 stop14h 29m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Wed 9/30
2:00 pm-3:05 pm
Nonstop2h 05m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
Quickest round-trip
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Sat 10/3
7:35 pm-8:30 pm
Nonstop1h 55m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Sun 10/11
6:00 am-6:55 am
Nonstop1h 55m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Mon 9/21
10:47 pm-11:43 pm
Nonstop1h 56m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$163
DenverPhoenix
DEN Denver Intl - PHX Phoenix Sky Harbor Intl
DENPHX
Denver Intl
Sat 10/10
9:03 am-2:34 pm
1 stop6h 31m
Phoenix Sky Harbor Intl
Tue 10/13
10:55 am-9:49 pm
1 stop9h 54m
$166
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Denver to Sky Harbor Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Sky Harbor Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Denver with our price prediction graph.
DEN-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 Denver to Phoenix Sky Harbor Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Denver to Phoenix Sky Harbor Intl Airport?
Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Phoenix Sky Harbor Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Denver to Phoenix Sky Harbor Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Denver to Phoenix Sky Harbor Intl Airport (average of $181). Flying from Denver to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $244). 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 DEN to PHX?
Find hourly flight availability from Denver to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
When flying from Denver to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 13% versus a flight in the morning.
What is the cheapest day to fly from Denver to Phoenix Sky Harbor Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Denver to Sky Harbor Intl. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Denver to Phoenix Sky Harbor Intl Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Denver to Phoenix delayed?
About 18% of weekly flights between Denver and Phoenix have experienced delays in the past year, with the average delay time being 127 minutes.
What is the most punctual flight time for Denver to Phoenix flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Denver to Phoenix flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
The best insider tips for Denver to Phoenix Sky Harbor Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Phoenix Sky Harbor Intl Airport trip
Our travel experts
Reviews of airlines servicing Sky Harbor Intl
Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated September 17, 2026.
Read through reviews of airlines operating flights from Denver to Phoenix Sky Harbor Intl Airport, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Denver to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Phoenix Sky Harbor Intl Airport?
Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locationsGlendale
Buckeye
Payson
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Chandler
Casa Grande
Camp Verde
Globe
Fountain Hills
Guadalupe
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Denver and Sky Harbor Intl flights
Browse other Denver and Sky Harbor Intl flight options. Last updated on September 17, 2026.
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Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Top 5 airlines flying from Denver to Sky Harbor Intl
Discover the top 5 airlines that operate flights from Denver to Sky Harbor Intl. 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$180 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$306 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$273 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$163 | Average$298 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$174 | Average$268 | FlexibilityNo cancel fee | On-time62% |