$49+ Cheap flights from Phoenix to Denver (DEN)
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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Apr 2 — Apr 91
1 adult, Economy
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Find cheap flights from Phoenix 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 to Denver Intl are usually found in February or October, booked 69 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Phoenix to Denver
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Cheapest flights from Phoenix to DenverExplore the most affordable flight options available from Phoenix to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.
Explore the most affordable flight options available from Phoenix to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.
This Expedia deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:52 am
PHX
- DEN
Nonstop1h 59m
Frontier
Sun 4/266:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 2/27![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:24 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Mon 5/1810:40 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/27![Frontier logo]()
$67
This Priceline deal was found by Cheapflights users on 3/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 3/2812:49 pm
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 3/1![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:32 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Fri 4/1010:40 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/27![Frontier logo]()
$70
This Super.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Wed 4/810:35 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/27![Frontier logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:50 am
PHX
- DEN
Nonstop1h 53m
Frontier
Mon 4/136:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 2/27![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 3/3. 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 5/149:24 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Sun 5/176:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 3/3![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1412:54 pm
PHX
- DEN
Nonstop1h 52m
Frontier
Tue 3/2410:40 pm
DEN
- PHX
Nonstop2h 11m
Frontier
Deal found 2/27![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:24 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Tue 3/314:36 pm
DEN
- PHX
Nonstop2h 10m
Frontier
Deal found 2/27![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:45 pm
PHX
- DEN
Nonstop1h 55m
Frontier
Thu 3/266:30 am
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/26![Frontier logo]()
$88
Best flights from Phoenix to DenverDiscover carefully curated flight deals from Phoenix to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 3, 2026.
Discover carefully curated flight deals from Phoenix to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 3, 2026.
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:44 pm
PHX
- DEN
Nonstop1h 56m
United Airlines
Mon 5/185:59 pm
DEN
- PHX
Nonstop2h 03m
United Airlines
Deal found 2/26![United Airlines logo]()
$130
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:15 am
PHX
- DEN
1 stop5h 09m
Alaska Airlines
Sat 4/46:20 pm
DEN
- PHX
1 stop6h 07m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:16 pm
PHX
- DEN
1 stop4h 25m
Delta
Sun 5/175:40 am
DEN
- PHX
1 stop3h 48m
Delta
Deal found 2/26![Delta logo]()
$187
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:30 am
PHX
- DEN
Nonstop1h 50m
Southwest
Tue 4/75:15 pm
DEN
- PHX
Nonstop1h 55m
Southwest
Deal found 3/2![Southwest logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 3/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:21 pm
PHX
- DEN
1 stop7h 23m
Alaska Airlines
Wed 4/16:20 pm
DEN
- PHX
1 stop6h 07m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 3/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1310:05 am
PHX
- DEN
1 stop4h 06m
Delta
Wed 6/176:25 pm
DEN
- PHX
1 stop6h 16m
Delta
Deal found 3/1![Delta logo]()
$253
This Southwest deal was found by Cheapflights users on 3/3. 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.
Sat 7/256:05 pm
PHX
- DEN
1 stop3h 30m
Southwest
Tue 7/289:35 am
DEN
- PHX
2 stops6h 15m
Southwest
Deal found 3/3![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:20 am
PHX
- DEN
1 stop5h 19m
Alaska Airlines
Tue 5/198:00 am
DEN
- PHX
2 stops8h 41m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:30 am
PHX
- DEN
1 stop3h 55m
Southwest
Tue 4/78:55 am
DEN
- PHX
2 stops6h 05m
Southwest
Deal found 2/27![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:05 am
PHX
- DEN
1 stop4h 50m
Southwest
Wed 7/229:35 am
DEN
- PHX
2 stops6h 15m
Southwest
Deal found 2/28![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:55 pm
PHX
- DEN
Nonstop1h 45m
Southwest
Sun 4/51:35 pm
DEN
- PHX
Nonstop2h 00m
Southwest
Deal found 2/28![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:05 am
PHX
- DEN
1 stop4h 30m
Southwest
Mon 4/1312:55 pm
DEN
- PHX
2 stops6h 15m
Southwest
Deal found 2/27![Southwest logo]()
$313
Last-minute flights from Phoenix to DenverDiscover last-minute flight deals from Phoenix to Denver. Data last updated March 3, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Denver. Data last updated March 3, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 3/1. 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.
Sat 3/1412:54 pm
PHX
- DEN
Nonstop1h 52m
Frontier
Tue 4/74:40 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 3/1![Frontier logo]()
$67
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1412:54 pm
PHX
- DEN
Nonstop1h 52m
Frontier
Tue 3/2410:40 pm
DEN
- PHX
Nonstop2h 11m
Frontier
Deal found 2/27![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 3/2. 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.
Tue 3/243:11 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Thu 4/26:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 3/2![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:45 pm
PHX
- DEN
Nonstop1h 55m
Frontier
Thu 3/266:30 am
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/26![Frontier logo]()
$88
This Priceline deal was found by Cheapflights users on 3/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 3/2812:49 pm
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 3/1![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:24 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Tue 3/314:36 pm
DEN
- PHX
Nonstop2h 10m
Frontier
Deal found 2/27![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:24 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 4/44:40 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/27![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Wed 4/810:35 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/27![Frontier logo]()
$81
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:32 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Fri 4/1010:40 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/27![Frontier logo]()
$70
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:50 am
PHX
- DEN
Nonstop1h 53m
Frontier
Mon 4/136:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 2/27![Frontier logo]()
$82
This Expedia deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:52 am
PHX
- DEN
Nonstop1h 59m
Frontier
Sun 4/266:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 2/27![Frontier logo]()
$66
One-way flights from Phoenix to DenverSearch for one-way flight options from Phoenix to Denver. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
Search for one-way flight options from Phoenix to Denver. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/143:11 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 2/27![Frontier logo]()
$49
This Frontier deal was found by Cheapflights users on 3/3. 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 3/176:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 3/3![Frontier logo]()
$50
This Orbitz deal was found by Cheapflights users on 3/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:52 pm
PHX
- DEN
Nonstop1h 53m
Frontier
Deal found 3/3![Frontier logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:50 am
PHX
- DEN
Nonstop1h 53m
Frontier
Deal found 2/28![Frontier logo]()
$53
This Super.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:24 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 2/26![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:24 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 2/27![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:28 pm
PHX
- DEN
1 stop14h 06m
Frontier
Deal found 2/27![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:45 am
PHX
- DEN
1 stop18h 16m
Frontier
Deal found 2/27![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:20 am
PHX
- DEN
Nonstop1h 57m
Frontier
Deal found 2/27![Frontier logo]()
$61
This Frontier deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:20 am
PHX
- DEN
Nonstop1h 57m
Frontier
Deal found 2/26![Frontier logo]()
$62
Find flight deals from Phoenix to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 March 3, 2026.
Round-trip from | $66 (Expedia) |
|---|---|
One-way from | $49 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $162 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix 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 2,558,603 searches. Data last updated March 3, 2026.
Use the filters below to find and compare flights from Phoenix to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Fri 5/15
6:44 pm-9:40 pm
Nonstop1h 56m
Denver Intl
Mon 5/18
5:59 pm-7:02 pm
Nonstop2h 03m
$130
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 4/2
11:15 am-5:24 pm
1 stop5h 09m
Denver Intl
Sat 4/4
6:20 pm-11:27 pm
1 stop6h 07m
$178
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Tue 3/31
3:21 pm-11:44 pm
1 stop7h 23m
Denver Intl
Wed 4/1
6:20 pm-11:27 pm
1 stop6h 07m
$178
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 5/14
5:16 pm-10:41 pm
1 stop4h 25m
Denver Intl
Sun 5/17
5:40 am-8:28 am
1 stop3h 48m
$187
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 3/19
7:30 am-10:20 am
Nonstop1h 50m
Denver Intl
Tue 4/7
5:15 pm-6:10 pm
Nonstop1h 55m
$238
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sat 6/13
10:05 am-3:11 pm
1 stop4h 06m
Denver Intl
Wed 6/17
6:25 pm-11:41 pm
1 stop6h 16m
$253
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sat 5/16
7:20 am-1:39 pm
1 stop5h 19m
Denver Intl
Tue 5/19
8:00 am-3:41 pm
2 stops8h 41m
$262
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sat 7/25
6:05 pm-10:35 pm
1 stop3h 30m
Denver Intl
Tue 7/28
9:35 am-2:50 pm
2 stops6h 15m
$287
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Mon 4/6
5:30 am-10:25 am
1 stop3h 55m
Denver Intl
Tue 4/7
8:55 am-2:00 pm
2 stops6h 05m
$302
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sun 7/19
6:05 am-11:55 am
1 stop4h 50m
Denver Intl
Wed 7/22
9:35 am-2:50 pm
2 stops6h 15m
$309
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Best time to book a flight from Phoenix to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Phoenix with our price prediction graph.
PH1-DEN
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 to Denver
PH1-DEN
PHX-DEN
How far ahead should I book a flight from Phoenix to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Denver. Price data was last updated on February 27, 2026.
The price you pay for your flight from Phoenix to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Phoenix to Denver?
Currently, April is the cheapest month in which you can book a flight from Phoenix to Denver (average of $57). Flying from Phoenix to Denver in July is currently the most expensive (average of $103). 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 Phoenix 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 March 3, 2026.
It’s optimal to fly from Phoenix to Denver in the evening. By choosing this option you can save up to 55% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Phoenix to Denver?
Use this chart to determine the cheapest time to fly round-trip from Phoenix to Denver. Price data was last updated on February 21, 2026.
Travelers seeking maximum savings on their Phoenix to Denver flight should consider departing on Friday 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 17% of weekly flights between Phoenix and Denver have experienced delays in the past year, with the average delay time being 125 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 early afternoon 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 Phoenix to Denver flights?
Over the last year, Frontier have had the lowest number of delays on this route, with just 12% of flights being delayed.
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 March 3, 2026.
Read through reviews of airlines operating flights from Phoenix to Denver, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Phoenix 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
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Phoenix to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 3, 2026.
Search flights from Phoenix to Denver by cabin class
Find flights from Phoenix to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Phoenix and Denver flights
Browse other Phoenix and Denver flight options. Last updated on March 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Phoenix to Denver
Discover the top 4 airlines that operate flights from Phoenix 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 2,558,603 searches. Data last updated March 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$148 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$331 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$225 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$149 | Average$250 | FlexibilityNo cancel fee | On-time63% |