$56+ Cheap flights from Denver (DEN) to Sky Harbor Intl (PHX)
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
Sep 3 — Sep 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 September or January, booked 81 days in advance, depart on a Saturday or Wednesday and return on a Thursday
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 August 4, 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 August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/2310:29 pm -
Nonstop2h 04m
Wed 10/286:55 pm -
Nonstop1h 53m
Deal found 8/3![Frontier logo]()
$113
This Cheapflightsfares deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:31 pm -
Nonstop1h 57m
Tue 9/86:57 pm -
Nonstop1h 56m
Deal found 8/3![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/2310:29 pm -
Nonstop2h 04m
Sat 10/248:16 am -
Nonstop1h 56m
Deal found 8/3![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:22 pm -
Nonstop1h 55m
Wed 8/262:15 pm -
Nonstop1h 55m
Deal found 8/3![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/2110:48 pm -
Nonstop1h 51m
Mon 8/2410:33 pm -
1 stop10h 30m
Deal found 8/3![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 8/3. 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 10/226:10 am -
Nonstop2h 01m
Fri 10/238:16 am -
Nonstop1h 56m
Deal found 8/3![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/162:29 pm -
1 stop7h 05m
Fri 9/188:56 pm -
Nonstop1h 52m
Deal found 8/4![Frontier logo]()
$119
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 10/96:10 am -
Nonstop2h 01m
Mon 10/125:05 am -
1 stop6h 19m
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 -
Nonstop1h 57m
Sun 8/306:57 pm -
Nonstop1h 56m
Deal found 7/31![Frontier logo]()
$121
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.
Fri 10/210:47 pm -
Nonstop1h 56m
Sat 10/38:30 am -
1 stop9h 03m
Deal found 7/30![Frontier logo]()
$122
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:08 pm -
Nonstop1h 59m
Wed 12/165:13 pm -
Nonstop1h 55m
Deal found 7/31![Frontier logo]()
$123
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:29 pm -
Nonstop2h 04m
Mon 10/266:05 am -
Nonstop1h 55m
Deal found 8/1![Frontier logo]()
$124
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 August 4, 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 August 4, 2026.
This Southwest deal was found by Cheapflights users on 8/3. 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 9/87:20 am -
Nonstop1h 55m
Fri 9/118:50 pm -
Nonstop1h 50m
Deal found 8/3![Southwest logo]()
$226
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.
Thu 10/16:17 am -
1 stop6h 14m
Fri 10/212:13 pm -
1 stop10h 31m
Deal found 7/30![Alaska Airlines logo]()
$270
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.
Sun 11/1510:45 am -
1 stop6h 15m
Thu 11/267:00 am -
1 stop5h 00m
Deal found 7/31![Delta logo]()
$288
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 8/219:38 am -
Nonstop1h 59m
Mon 8/243:19 pm -
Nonstop1h 56m
Deal found 8/1![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:40 pm -
Nonstop1h 55m
Tue 8/252:30 pm -
Nonstop1h 45m
Deal found 8/3![Southwest logo]()
$235
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.
Sat 11/219:00 pm -
Nonstop2h 00m
Thu 11/2610:55 am -
1 stop4h 00m
Deal found 7/30![Southwest logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 -
1 stop6h 14m
Tue 9/2212:13 pm -
2 stops10h 06m
Deal found 8/2![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 8/3. 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 11/2110:45 am -
1 stop6h 15m
Wed 11/252:36 pm -
1 stop5h 00m
Deal found 8/3![Delta logo]()
$304
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.
Fri 12/257:40 pm -
Nonstop2h 00m
Wed 12/307:50 am -
1 stop3h 20m
Deal found 8/1![Southwest logo]()
$253
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.
Sun 11/1510:45 am -
1 stop6h 15m
Fri 11/206:05 pm -
1 stop4h 55m
Deal found 7/31![Delta logo]()
$321
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.
Fri 10/166:35 pm -
Nonstop1h 55m
Sun 10/186:05 am -
Nonstop1h 50m
Deal found 8/1![Southwest logo]()
$289
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.
Sun 11/228:30 am -
1 stop3h 20m
Fri 11/277:05 pm -
1 stop4h 05m
Deal found 7/31![Southwest logo]()
$304
Last-minute flights from Denver to Sky Harbor IntlDiscover last-minute flight deals from Denver to Sky Harbor Intl. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Sky Harbor Intl. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/2110:48 pm -
Nonstop1h 51m
Mon 8/2410:33 pm -
1 stop10h 30m
Deal found 8/3![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:31 pm -
Nonstop1h 57m
Fri 8/286:57 pm -
Nonstop1h 56m
Deal found 8/3![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:22 pm -
Nonstop1h 55m
Wed 8/262:15 pm -
Nonstop1h 55m
Deal found 8/3![Frontier logo]()
$116
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 -
Nonstop1h 57m
Sun 8/306:57 pm -
Nonstop1h 56m
Deal found 7/31![Frontier logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:31 pm -
Nonstop1h 57m
Tue 9/86:57 pm -
Nonstop1h 56m
Deal found 8/3![Frontier logo]()
$114
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.
Fri 9/48:31 pm -
Nonstop1h 57m
Sun 9/66:57 pm -
Nonstop1h 56m
Deal found 8/1![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 9/58:31 pm -
Nonstop1h 57m
Mon 9/710:30 pm -
1 stop18h 30m
Deal found 8/2![Frontier logo]()
$125
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:11 pm -
1 stop6h 39m
Sat 9/123:21 pm -
Nonstop1h 54m
Deal found 7/31![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:10 pm -
1 stop10h 14m
Tue 9/153:21 pm -
Nonstop1h 54m
Deal found 8/4![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/162:29 pm -
1 stop7h 05m
Fri 9/188:56 pm -
Nonstop1h 52m
Deal found 8/4![Frontier logo]()
$119
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 -
1 stop6h 43m
Sun 9/209:15 am -
Nonstop1h 56m
Deal found 7/31![Frontier logo]()
$120
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 August 4, 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 August 4, 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 -
1 stop20h 34m
Deal found 7/31![Frontier logo]()
$56
This Super.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:48 pm -
Nonstop1h 51m
Deal found 8/2![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.
Wed 9/3010:50 pm -
1 stop24h 57m
Deal found 7/30![Frontier logo]()
$58
This Trip.com deal was found by Cheapflights users on 8/2. 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 11/44:28 pm -
Nonstop2h 07m
Deal found 8/2![Frontier logo]()
$60
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 -
1 stop25h 18m
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 -
1 stop10h 29m
Deal found 7/31![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/77:40 am -
1 stop25h 18m
Deal found 8/2![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:29 pm -
1 stop23h 05m
Deal found 8/3![Frontier logo]()
$66
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:48 pm -
Nonstop1h 51m
Deal found 8/1![Frontier logo]()
$68
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.
Thu 12/32:08 pm -
Nonstop1h 59m
Deal found 8/1![Frontier logo]()
$69
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $113 (Frontier) |
One-way from | $56 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $200 |
Good round-trip deal | $189 or less |
Good one-way deal | $111 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 2,558,603 searches. Data last updated August 4, 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 - PHX
DENPHX
Denver Intl
Tue 9/8
7:20 am-8:15 am
Nonstop1h 55m
Phoenix Sky Harbor Intl
Fri 9/11
8:50 pm-11:40 pm
Nonstop1h 50m
$226
Quickest round-trip
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Mon 8/24
8:40 pm-9:35 pm
Nonstop1h 55m
Phoenix Sky Harbor Intl
Tue 8/25
2:30 pm-5:15 pm
Nonstop1h 45m
$235
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Sat 11/21
9:00 pm-11:00 pm
Nonstop2h 00m
Phoenix Sky Harbor Intl
Thu 11/26
10:55 am-2:55 pm
1 stop4h 00m
$240
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Fri 12/25
7:40 pm-9:40 pm
Nonstop2h 00m
Phoenix Sky Harbor Intl
Wed 12/30
7:50 am-11:10 am
1 stop3h 20m
$253
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Thu 10/1
6:17 am-11:31 am
1 stop6h 14m
Phoenix Sky Harbor Intl
Fri 10/2
12:13 pm-11:44 pm
1 stop10h 31m
$270
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Sun 11/15
10:45 am-5:00 pm
1 stop6h 15m
Phoenix Sky Harbor Intl
Thu 11/26
7:00 am-12:00 pm
1 stop5h 00m
$288
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Fri 10/16
6:35 pm-7:30 pm
Nonstop1h 55m
Phoenix Sky Harbor Intl
Sun 10/18
6:05 am-8:55 am
Nonstop1h 50m
$289
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-11:19 pm
2 stops10h 06m
$295
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Sat 11/21
10:45 am-5:00 pm
1 stop6h 15m
Phoenix Sky Harbor Intl
Wed 11/25
2:36 pm-7:36 pm
1 stop5h 00m
$304
DenverPhoenix
DEN - PHX
DENPHX
Denver Intl
Sun 11/22
8:30 am-11:50 am
1 stop3h 20m
Phoenix Sky Harbor Intl
Fri 11/27
7:05 pm-11:10 pm
1 stop4h 05m
$304
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 August.
| 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 80 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, September is the cheapest month in which you can book a flight from Denver to Phoenix Sky Harbor Intl Airport (average of $174). Flying from Denver to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $238). 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 August 4, 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 16% 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 August 1, 2026.
Travelers seeking maximum savings on their Denver to Phoenix Sky Harbor Intl Airport flight should consider departing on Wednesday evenings 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 128 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, Frontier have had the lowest number of delays on this route, with just 15% 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 August 4, 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.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
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
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Payson
Chandler
Casa Grande
Camp Verde
Globe
Fountain Hills
Guadalupe
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Denver
Popular flights
Sky Harbor Intl flight routes
Alternative routes for Denver to Sky Harbor Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sky Harbor Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Sky Harbor Intl by cabin class
Find flights from Denver to Sky Harbor Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Sky Harbor Intl flights
Browse other Denver and Sky Harbor Intl flight options. Last updated on August 4, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sky Harbor Intl
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 4, 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 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$176 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$297 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$144 | Average$263 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$156 | Average$292 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$174 | Average$250 | FlexibilityNo cancel fee | On-time62% |