$54+ Cheap flights from Sky Harbor Intl (PHX) to Denver (DEN)
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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Denver Intl are usually found in February or October, booked 69 days in advance, depart on a Saturday or Thursday and return on a Saturday
Cheap flight deals from Sky Harbor Intl to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sky Harbor Intl to DenverExplore the most affordable flight options available from Sky Harbor Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This Super.com deal was found by Cheapflights users on 9/17. 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.
Tue 10/139:15 am -
Nonstop2h 00m
Sat 10/1710:44 pm -
Nonstop2h 04m
Deal found 9/17![Frontier logo]()
$95
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.
Sat 10/243:29 pm -
Nonstop1h 55m
Tue 10/2710:37 pm -
Nonstop2h 05m
Deal found 9/16![Frontier logo]()
$96
This Trip.com deal was found by Cheapflights users on 9/17. 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 10/148:51 pm -
Nonstop1h 52m
Wed 10/216:44 pm -
Nonstop2h 02m
Deal found 9/17![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/2612:01 pm -
Nonstop1h 47m
Wed 12/210:36 pm -
Nonstop2h 13m
Deal found 9/20![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 11/2110:03 pm -
Nonstop1h 46m
Wed 12/27:25 am -
Nonstop2h 04m
Deal found 9/19![Frontier logo]()
$101
This Flightnetwork deal was found by Cheapflights users on 9/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:15 am -
Nonstop1h 51m
Wed 10/286:46 pm -
Nonstop2h 08m
Deal found 9/20![Frontier logo]()
$102
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:59 pm -
Nonstop1h 50m
Sat 10/317:00 am -
Nonstop2h 04m
Deal found 9/16![Frontier logo]()
$103
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.
Tue 10/69:15 am -
Nonstop1h 56m
Tue 10/610:47 pm -
Nonstop1h 56m
Deal found 9/16![Frontier logo]()
$104
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.
Tue 10/66:25 am -
Nonstop2h 18m
Wed 10/710:47 pm -
Nonstop1h 56m
Deal found 9/16![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/206:15 am -
Nonstop1h 55m
Tue 10/2710:37 pm -
Nonstop2h 05m
Deal found 9/17![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/278:59 pm -
Nonstop1h 50m
Mon 11/22:14 pm -
Nonstop2h 03m
Deal found 9/21![Frontier logo]()
$107
Best flights from Sky Harbor Intl to DenverDiscover carefully curated flight deals from Sky Harbor Intl to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This Delta deal was found by Cheapflights users on 9/18. 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 10/205:45 am -
1 stop5h 11m
Wed 10/288:20 am -
1 stop4h 57m
Deal found 9/18![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 9/19. 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 10/165:25 pm -
Nonstop1h 55m
Sat 10/177:35 pm -
Nonstop1h 55m
Deal found 9/19![Southwest logo]()
$204
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:12 am -
1 stop6h 49m
Tue 10/69:45 am -
1 stop6h 15m
Deal found 9/16![Alaska Airlines logo]()
$251
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.
Tue 10/271:50 pm -
Nonstop1h 50m
Wed 11/117:45 am -
Nonstop2h 04m
Deal found 9/16![United Airlines logo]()
$265
This Contour deal was found by Cheapflights users on 9/20. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:40 pm -
1 stop21h 45m
Sun 11/295:50 pm -
1 stop22h 55m
Deal found 9/20![Contour logo]()
$287
This Delta deal was found by Cheapflights users on 9/18. 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 10/225:27 pm -
1 stop4h 13m
Sat 10/248:20 am -
1 stop4h 57m
Deal found 9/18![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 9/20. 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 10/101:05 pm -
Nonstop1h 45m
Mon 10/1210:00 pm -
Nonstop2h 00m
Deal found 9/20![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/2910:12 am -
2 stops11h 25m
Mon 11/21:55 pm -
1 stop5h 45m
Deal found 9/20![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 9/20. 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 10/295:45 am -
1 stop5h 11m
Sun 11/17:15 am -
1 stop6h 04m
Deal found 9/20![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Mon 10/53:30 pm -
Nonstop1h 55m
Thu 10/88:08 am -
Nonstop1h 59m
Deal found 9/20![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 9/19. 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 10/165:25 pm -
Nonstop1h 55m
Sun 10/1810:30 pm -
Nonstop2h 00m
Deal found 9/19![Southwest logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 10/2010:12 am -
2 stops11h 25m
Tue 10/2712:31 pm -
1 stop7h 11m
Deal found 9/18![Alaska Airlines logo]()
$305
Last-minute flights from Sky Harbor Intl to DenverDiscover last-minute flight deals from Sky Harbor Intl to Denver. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Denver. Data last updated September 21, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:15 am -
Nonstop1h 56m
Mon 10/51:18 pm -
Nonstop1h 59m
Deal found 9/17![Frontier logo]()
$174
This Super.com deal was found by Cheapflights users on 9/19. 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.
Tue 9/296:25 am -
Nonstop2h 18m
Tue 10/137:12 am -
Nonstop1h 58m
Deal found 9/19![Frontier logo]()
$179
This Super.com deal was found by Cheapflights users on 9/17. 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.
Wed 9/303:21 pm -
Nonstop1h 54m
Tue 10/61:18 pm -
Nonstop1h 59m
Deal found 9/17![Frontier logo]()
$140
This Super.com deal was found by Cheapflights users on 9/17. 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.
Wed 9/303:21 pm -
Nonstop1h 54m
Mon 10/51:18 pm -
Nonstop1h 59m
Deal found 9/17![Frontier logo]()
$159
This Super.com deal was found by Cheapflights users on 9/17. 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.
Wed 9/309:15 am -
Nonstop1h 56m
Wed 9/306:45 pm -
Nonstop2h 06m
Deal found 9/17![Frontier logo]()
$185
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:21 pm -
Nonstop1h 54m
Wed 10/77:00 am -
Nonstop2h 00m
Deal found 9/16![Frontier logo]()
$164
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.
Thu 10/19:15 am -
Nonstop1h 56m
Mon 10/510:47 pm -
Nonstop1h 56m
Deal found 9/16![Frontier logo]()
$189
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.
Thu 10/19:15 am -
Nonstop1h 56m
Mon 10/1210:44 pm -
Nonstop2h 04m
Deal found 9/16![Frontier logo]()
$191
One-way flights from Sky Harbor Intl to DenverSearch for one-way flight options from Sky Harbor Intl to Denver. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Sky Harbor Intl to Denver. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Frontier deal was found by Cheapflights users on 9/19. 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 12/177:15 am -
Nonstop1h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/146:15 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$57
This Frontier deal was found by Cheapflights users on 9/17. 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 11/1410:09 am -
Nonstop1h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$58
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.
Thu 10/158:51 pm -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$61
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:56 pm -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$62
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:25 am -
Nonstop1h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$63
This Trip.com deal was found by Cheapflights users on 9/18. 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.
Mon 11/29:59 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$64
This Super.com deal was found by Cheapflights users on 9/18. 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 10/128:51 pm -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$66
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:16 am -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$67
This Super.com deal was found by Cheapflights users on 9/21. 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.
Tue 12/297:15 am -
Nonstop1h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$68
This Super.com deal was found by Cheapflights users on 9/20. 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 10/169:15 am -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$70
Find flight deals from Sky Harbor Intl to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Denver (DEN). 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $95 (Super.com) |
One-way from | $54 (Frontier) |
Popular in | July |
Cheapest in | February |
Average price | $229 |
Good round-trip deal | $208 or less |
Good one-way deal | $156 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Denver 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 21, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Tue 10/27
9:55 am-4:56 pm
1 stop6h 01m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Mon 12/21
5:38 pm-10:37 pm
1 stop4h 59m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Mon 11/23
10:45 am-5:10 pm
1 stop6h 25m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
Quickest round-trip
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Thu 10/15
6:15 pm-9:00 pm
Nonstop1h 45m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Mon 1/4
11:36 pm-8:56 am
1 stop9h 20m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Thu 10/15
6:43 pm-9:39 pm
Nonstop1h 56m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Mon 10/19
6:00 am-8:55 am
Nonstop1h 55m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Wed 3/17
7:10 am-3:10 pm
2 stops7h 00m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Sat 10/3
8:00 am-12:20 pm
1 stop3h 20m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$164
PhoenixDenver
PHX Phoenix Sky Harbor Intl - DEN Denver Intl
PHXDEN
Phoenix Sky Harbor Intl
Sun 11/1
9:50 pm-11:40 pm
Nonstop1h 50m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Sky Harbor Intl to Denver
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 Sky Harbor Intl to Denver in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Denver 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 Phoenix Sky Harbor Intl Airport-Denver 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 Sky Harbor Intl to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Sky Harbor Intl with our price prediction graph.
PHX-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Denver
Prices
Airlines
Delays
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Denver?
The best time to book flights from Phoenix Sky Harbor Intl Airport to Denver is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?
Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of $151). Flying from Phoenix Sky Harbor Intl Airport to Denver in July is currently the most expensive (average of $249). 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 PHX to DEN?
Find hourly flight availability from Sky Harbor Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 21, 2026.
It’s optimal to fly from Phoenix Sky Harbor Intl Airport to Denver in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Denver?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Denver. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Denver flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Phoenix to Denver delayed?
About 16% of weekly flights between Phoenix and Denver have experienced delays in the past year, with the average delay time being 128 minutes.
What is the most punctual flight time for Phoenix to Denver 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 Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Phoenix to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
The best insider tips for Phoenix Sky Harbor Intl Airport to Denver 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 Phoenix Sky Harbor Intl Airport to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated September 21, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Phoenix Sky Harbor Intl Airport to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Denver. 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 Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Centennial
Black Hawk
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Frisco
Winter Park
Limon
Englewood
Manitou Springs
Glendale
Evergreen
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Other flights to Denver
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Sky Harbor Intl and Denver flights
Browse other Sky Harbor Intl and Denver flight options. Last updated on September 21, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Sky Harbor Intl to Denver
Discover the top 4 airlines that operate flights from Sky Harbor Intl to Denver. 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$290 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$149 | Average$273 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$176 | Average$317 | FlexibilityNo cancel fee | On-time63% |