$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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Mar 10 — Mar 171
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 78 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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Best
Last-minute
One-way
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 February 8, 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 February 8, 2026.
This Super.com deal was found by Cheapflights users on 2/5. 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 4/156:50 am
PHX
- DEN
Nonstop1h 53m
Frontier
Mon 4/206:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 2/5![Frontier logo]()
$64
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 4/1112:50 pm
PHX
- DEN
Nonstop1h 55m
Frontier
Tue 4/1410:40 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/7![Frontier logo]()
$65
This CheapOair deal was found by Cheapflights users on 2/8. 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 4/169:24 pm
PHX
- DEN
Nonstop1h 56m
Frontier
Sun 4/196:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 2/8![Frontier logo]()
$66
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 2/267:36 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 2/287:32 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/281:22 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Sun 3/86:30 am
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/7![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 2/7. 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 3/57:36 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Tue 3/1010:40 pm
DEN
- PHX
Nonstop2h 11m
Frontier
Deal found 2/7![Frontier logo]()
$70
This Super.com deal was found by Cheapflights users on 2/7. 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 2/2710:39 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Tue 3/36:30 am
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/7![Frontier logo]()
$71
This Super.com deal was found by Cheapflights users on 2/7. 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 2/216:00 am
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 2/287:32 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$72
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 2/256:00 am
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 2/287:32 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$73
This Super.com deal was found by Cheapflights users on 2/8. 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 3/57:36 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Mon 3/910:39 am
DEN
- PHX
Nonstop2h 15m
Frontier
Deal found 2/8![Frontier logo]()
$74
This Frontier deal was found by Cheapflights users on 2/7. 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 3/210:39 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Mon 3/97:05 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/316:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Thu 4/212:40 pm
DEN
- PHX
Nonstop2h 05m
Frontier
Deal found 2/6![Frontier logo]()
$76
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 February 8, 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 February 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/246:50 am
PHX
- DEN
Nonstop1h 53m
Frontier
Mon 4/276:30 am
DEN
- PHX
Nonstop2h 06m
Frontier
Deal found 2/7![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 2/7. 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 3/210:39 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Sat 3/74:36 pm
DEN
- PHX
Nonstop2h 10m
Frontier
Deal found 2/7![Frontier logo]()
$65
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:28 pm
PHX
- DEN
1 stop5h 20m
Alaska Airlines
Tue 3/101:10 pm
DEN
- PHX
1 stop6h 22m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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 3/246:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Tue 3/3112:49 pm
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/8![Frontier logo]()
$70
This United Airlines deal was found by Cheapflights users on 2/6. 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
Sun 5/175:59 pm
DEN
- PHX
Nonstop2h 03m
United Airlines
Deal found 2/6![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:00 am
PHX
- DEN
1 stop4h 33m
Delta
Tue 3/316:10 pm
DEN
- PHX
1 stop5h 00m
Delta
Deal found 2/4![Delta logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 2/266:00 am
PHX
- DEN
Nonstop1h 54m
Frontier
Sun 3/16:00 am
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/7![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 2/7. 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.
Sun 3/15:05 am
PHX
- DEN
1 stop6h 34m
Frontier
Mon 3/94:36 pm
DEN
- PHX
Nonstop2h 10m
Frontier
Deal found 2/7![Frontier logo]()
$113
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 5/83:43 pm
PHX
- DEN
1 stop7h 16m
Alaska Airlines
Tue 5/121:02 pm
DEN
- PHX
1 stop6h 24m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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 2/284:27 pm
PHX
- DEN
1 stop7h 32m
Alaska Airlines
Mon 3/91:10 pm
DEN
- PHX
1 stop6h 22m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:27 pm
PHX
- DEN
1 stop7h 32m
Alaska Airlines
Mon 3/96:45 pm
DEN
- PHX
1 stop4h 57m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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 3/312:28 pm
PHX
- DEN
1 stop5h 20m
Alaska Airlines
Wed 3/116:45 pm
DEN
- PHX
1 stop4h 57m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$178
Last-minute flights from Phoenix to DenverDiscover last-minute flight deals from Phoenix to Denver. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Denver. Data last updated February 8, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 2/7. 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 2/216:00 am
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 2/287:32 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$72
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 2/256:00 am
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 2/287:32 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$73
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 2/267:36 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Sat 2/287:32 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$67
This Super.com deal was found by Cheapflights users on 2/7. 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 2/2710:39 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Tue 3/36:30 am
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/7![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/281:22 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Sun 3/86:30 am
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/7![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 2/5. 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 2/286:00 am
PHX
- DEN
Nonstop1h 54m
Frontier
Thu 3/1210:40 pm
DEN
- PHX
Nonstop2h 11m
Frontier
Deal found 2/5![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 2/7. 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 3/210:39 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Mon 3/97:05 pm
DEN
- PHX
Nonstop2h 09m
Frontier
Deal found 2/7![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 2/7. 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 3/57:36 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Tue 3/1010:40 pm
DEN
- PHX
Nonstop2h 11m
Frontier
Deal found 2/7![Frontier logo]()
$70
This Super.com deal was found by Cheapflights users on 2/8. 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 3/57:36 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Mon 3/910:39 am
DEN
- PHX
Nonstop2h 15m
Frontier
Deal found 2/8![Frontier logo]()
$74
This Super.com deal was found by Cheapflights users on 2/5. 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 3/610:24 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Mon 3/910:40 pm
DEN
- PHX
Nonstop2h 11m
Frontier
Deal found 2/5![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 2/5. 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 3/610:24 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Sun 3/812:49 pm
DEN
- PHX
Nonstop2h 12m
Frontier
Deal found 2/5![Frontier logo]()
$66
This Super.com deal was found by Cheapflights users on 2/6. 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 3/316:50 am
PHX
- DEN
Nonstop1h 54m
Frontier
Mon 4/64:40 pm
DEN
- PHX
Nonstop2h 07m
Frontier
Deal found 2/6![Frontier logo]()
$76
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 February 8, 2026.
Search for one-way flight options from Phoenix to Denver. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
This Super.com deal was found by Cheapflights users on 2/5. 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 2/2110:51 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Deal found 2/5![Frontier logo]()
$49
This CheapOair deal was found by Cheapflights users on 2/5. 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.
Tue 2/246:00 am
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 2/5![Frontier logo]()
$50
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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 2/1410:51 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Deal found 2/8![Frontier logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/210:39 pm
PHX
- DEN
Nonstop1h 51m
Frontier
Deal found 2/5![Frontier logo]()
$53
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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 3/137:03 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 2/8![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 4/201:09 pm
PHX
- DEN
1 stop20h 41m
Frontier
Deal found 2/5![Frontier logo]()
$55
This WAYA deal was found by Cheapflights users on 2/8. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:40 am
PHX
- DEN
1 stop5h 49m
Frontier
Deal found 2/8![Frontier logo]()
$57
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:17 pm
PHX
- DEN
Nonstop1h 52m
American Airlines
Deal found 2/8![American Airlines logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/269:59 pm
PHX
- DEN
1 stop12h 01m
Frontier
Deal found 2/6![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/302:23 pm
PHX
- DEN
1 stop9h 24m
Frontier
Deal found 2/8![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/239:24 pm
PHX
- DEN
Nonstop1h 54m
Frontier
Deal found 2/7![Frontier logo]()
$61
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 February 8, 2026.
Round-trip from | $64 (Super.com) |
|---|---|
One-way from | $49 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $108 |
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 February 8, 2026.
Use the filters below to find and compare flights from Phoenix to Denver that are best for you.
Fly from
Phoenix
Fly to
Denver
Route
Depart
Return
Price
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Fri 4/24
6:50 am-9:43 am
Nonstop1h 53m
Denver Intl
Mon 4/27
6:30 am-7:36 am
Nonstop2h 06m
$65
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Mon 3/2
10:39 pm-12:30 am
Nonstop1h 51m
Denver Intl
Sat 3/7
4:36 pm-6:46 pm
Nonstop2h 10m
$65
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Tue 3/24
6:50 am-9:44 am
Nonstop1h 54m
Denver Intl
Tue 3/31
12:49 pm-2:01 pm
Nonstop2h 12m
$70
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Thu 2/26
6:00 am-7:54 am
Nonstop1h 54m
Denver Intl
Sun 3/1
6:00 am-8:12 am
Nonstop2h 12m
$107
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sun 3/1
5:05 am-11:39 am
1 stop6h 34m
Denver Intl
Mon 3/9
4:36 pm-5:46 pm
Nonstop2h 10m
$113
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Wed 3/4
12:28 pm-5:48 pm
1 stop5h 20m
Denver Intl
Tue 3/10
1:10 pm-6:32 pm
1 stop6h 22m
$148
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Fri 5/8
3:43 pm-11:59 pm
1 stop7h 16m
Denver Intl
Tue 5/12
1:02 pm-6:26 pm
1 stop6h 24m
$167
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Sat 2/28
4:27 pm-11:59 pm
1 stop7h 32m
Denver Intl
Mon 3/9
1:10 pm-6:32 pm
1 stop6h 22m
$168
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Wed 3/4
4:27 pm-11:59 pm
1 stop7h 32m
Denver Intl
Mon 3/9
6:45 pm-10:42 pm
1 stop4h 57m
$168
PhoenixDenver
PHX - DEN
PHXDEN
Phoenix Sky Harbor Intl
Fri 5/15
6:44 pm-9:40 pm
Nonstop1h 56m
Denver Intl
Sun 5/17
5:59 pm-7:02 pm
Nonstop2h 03m
$177
Showing 1-10 of 23 results
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 January 30, 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 73 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, February is the cheapest month in which you can book a flight from Phoenix to Denver (average of $56). Flying from Phoenix to Denver in July is currently the most expensive (average of $102). 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 February 8, 2026.
It’s optimal to fly from Phoenix to Denver in the evening. By choosing this option you can save up to 58% 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 January 31, 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 124 minutes.
What is the most punctual flight time for Phoenix to Denver flights?
Historically, flights departing at night 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 Friday 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 February 8, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
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
Toggle through the tabs below to find thousands of 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 February 8, 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 February 8, 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 February 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$60 | Average$147 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$132 | Average$341 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$224 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$148 | Average$247 | FlexibilityNo cancel fee | On-time63% |