$365+ Cheap flights from Denver to Flagstaff (DEN - FLG)
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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FLG
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Denver to Flagstaff 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.Cheap flight deals from Denver to Flagstaff
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to FlagstaffExplore the most affordable flight options available from Denver to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Denver to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:23 pm -
1 stop6h 12m
Wed 11/181:22 pm -
1 stop6h 31m
Deal found 9/5![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/66:22 am -
1 stop5h 48m
Tue 11/101:22 pm -
1 stop6h 31m
Deal found 9/9![American Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/297:15 am -
1 stop3h 52m
Sat 10/1010:34 am -
1 stop6h 39m
Deal found 9/8![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:41 am -
1 stop6h 09m
Sun 11/87:05 pm -
1 stop5h 35m
Deal found 9/5![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/3012:17 pm -
1 stop3h 43m
Sun 10/116:20 pm -
1 stop4h 10m
Deal found 9/8![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/306:55 pm -
1 stop4h 49m
Sat 1/212:49 pm -
1 stop5h 26m
Deal found 9/9![American Airlines logo]()
$503
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:20 am -
1 stop8h 02m
Fri 11/2712:40 pm -
1 stop5h 27m
Deal found 9/6![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/2312:21 pm -
1 stop6h 23m
Sat 10/246:15 am -
1 stop4h 16m
Deal found 9/8![American Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:30 am -
2 stops13h 05m
Sat 11/712:41 pm -
1 stop6h 41m
Deal found 9/5![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/267:28 am -
1 stop5h 37m
Fri 10/306:20 pm -
1 stop16h 11m
Deal found 9/9![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:15 am -
1 stop4h 58m
Sat 9/2610:40 am -
1 stop4h 14m
Deal found 9/7![American Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:26 am -
1 stop6h 27m
Mon 9/146:49 am -
1 stop3h 38m
Deal found 9/5![American Airlines logo]()
$572
Best flights from Denver to FlagstaffDiscover carefully curated flight deals from Denver to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Denver to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:30 am -
1 stop6h 40m
Sat 11/1412:41 pm -
1 stop6h 41m
Deal found 9/5![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/66:22 am -
1 stop5h 48m
Tue 11/101:22 pm -
1 stop6h 31m
Deal found 9/9![American Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/297:15 am -
1 stop3h 52m
Sat 10/1010:34 am -
1 stop6h 39m
Deal found 9/8![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/3012:17 pm -
1 stop3h 43m
Sun 10/116:20 pm -
1 stop4h 10m
Deal found 9/8![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:20 am -
1 stop8h 02m
Fri 11/2712:40 pm -
1 stop5h 27m
Deal found 9/6![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:26 am -
1 stop4h 13m
Mon 11/2312:40 pm -
1 stop5h 27m
Deal found 9/7![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:15 am -
1 stop4h 58m
Sat 9/2610:40 am -
1 stop4h 14m
Deal found 9/7![American Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 10/47:15 am -
1 stop4h 58m
Sun 10/116:20 pm -
1 stop4h 10m
Deal found 9/9![American Airlines logo]()
$572
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop5h 04m
Wed 10/2810:34 am -
1 stop3h 38m
Deal found 9/8![American Airlines logo]()
$671
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:22 am -
1 stop5h 48m
Wed 11/1112:41 pm -
1 stop6h 41m
Deal found 9/6![American Airlines logo]()
$747
Last-minute flights from Denver to FlagstaffDiscover last-minute flight deals from Denver to Flagstaff. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Flagstaff. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:26 am -
1 stop6h 27m
Mon 9/146:49 am -
1 stop3h 38m
Deal found 9/5![American Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 am -
1 stop3h 52m
Thu 9/2410:40 am -
1 stop6h 36m
Deal found 9/5![American Airlines logo]()
$768
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:15 am -
1 stop4h 58m
Sat 9/2610:40 am -
1 stop4h 14m
Deal found 9/7![American Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/297:15 am -
1 stop3h 52m
Sat 10/1010:34 am -
1 stop6h 39m
Deal found 9/8![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/3012:17 pm -
1 stop3h 43m
Sun 10/116:20 pm -
1 stop4h 10m
Deal found 9/8![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/96:00 am -
1 stop5h 04m
Sun 10/116:20 pm -
1 stop4h 10m
Deal found 9/8![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/2312:21 pm -
1 stop6h 23m
Sat 10/246:15 am -
1 stop4h 16m
Deal found 9/8![American Airlines logo]()
$541
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop5h 04m
Wed 10/2810:34 am -
1 stop3h 38m
Deal found 9/8![American Airlines logo]()
$671
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:28 am -
2 stops11h 16m
Sun 11/17:05 pm -
1 stop5h 35m
Deal found 9/6![American Airlines logo]()
$667
One-way flights from Denver to FlagstaffSearch for one-way flight options from Denver to Flagstaff. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Denver to Flagstaff. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:15 am -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 am -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:39 am -
2 stops11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/239:03 am -
2 stops12h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$497
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/165:57 pm -
2 stops27h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:30 pm -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:15 pm -
2 stops11h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 9/2111:06 am -
2 stops10h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$604
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 9/2412:15 pm -
3 stops32h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$719
Find flight deals from Denver to Flagstaff
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Flagstaff (FLG). 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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $430 (American Airlines) |
One-way from | $365 (American Airlines) |
Popular in | January |
Cheapest in | November |
Average price | $483 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Flagstaff 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 9, 2026.
Use the filters below to find and compare flights from Denver to Flagstaff that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Tue 9/22
7:15 am-11:13 am
1 stop4h 58m
Flagstaff Pulliam
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$365
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Fri 10/16
8:05 am-11:16 am
1 stop4h 11m
Flagstaff Pulliam
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$386
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Sun 9/20
7:15 am-11:13 am
1 stop4h 58m
Flagstaff Pulliam
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$386
Quickest round-trip
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Mon 9/21
12:17 pm-3:00 pm
1 stop3h 43m
Flagstaff Pulliam
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$386
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Fri 9/25
7:15 am-11:13 am
1 stop4h 58m
Flagstaff Pulliam
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$386
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Wed 11/11
5:30 am-12:10 pm
1 stop6h 40m
Flagstaff Pulliam
Sat 11/14
12:41 pm-7:22 pm
1 stop6h 41m
$430
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Tue 10/6
10:39 am-8:39 pm
2 stops11h 00m
Flagstaff Pulliam
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$443
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Fri 11/6
6:22 am-12:10 pm
1 stop5h 48m
Flagstaff Pulliam
Tue 11/10
1:22 pm-7:53 pm
1 stop6h 31m
$462
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Tue 9/29
7:15 am-10:07 am
1 stop3h 52m
Flagstaff Pulliam
Sat 10/10
10:34 am-6:13 pm
1 stop6h 39m
$463
DenverFlagstaff
DEN Denver Intl - FLG Flagstaff Pulliam
DENFLG
Denver Intl
Wed 9/30
12:17 pm-3:00 pm
1 stop3h 43m
Flagstaff Pulliam
Sun 10/11
6:20 pm-11:30 pm
1 stop4h 10m
$495
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Denver to Flagstaff
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Flagstaff in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Flagstaff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Flagstaff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Flagstaff flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Flagstaff flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Flagstaff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Flagstaff
Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Denver with our price prediction graph.
DEN-FLG
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Flagstaff
What is the cheapest month to book a flight from Denver to Flagstaff?
Currently, November is the cheapest month in which you can book a flight from Denver to Flagstaff (average of $405). Flying from Denver to Flagstaff in January is currently the most expensive (average of $626). 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.
How much does it cost to fly round-trip from Denver to Flagstaff?
Airfare is below average for this route at the moment.
Denver to Flagstaff flights typically cost between $483 and $617 in November.The cheapest round-trip price found within the last 5 days was $430 on American Airlines (Nov 14-Nov 18).
Reviews of airlines servicing Flagstaff
Get insights into the airlines that provide service to Flagstaff. 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 Flagstaff. Reviews last updated September 9, 2026.
See what other customers who have flown with American Airlines from Denver to Flagstaff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Food
6.4
Boarding
7.5
Overall
7.1
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Crew
7.9
Food
6.4
Boarding
7.5
Overall
7.1
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Related info for your journey
Find useful and relevant information for your journey from Denver to Flagstaff. 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 Flagstaff?
Book flights to Flagstaff if you plan to visit one of these locationsWilliams
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Denver
Popular flights
Alternative routes for Denver to Flagstaff
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Flagstaff by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Flagstaff by cabin class
Find flights from Denver to Flagstaff, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Flagstaff flights
Browse other Denver and Flagstaff flight options. Last updated on September 9, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Denver to Flagstaff
Discover the top airline that operate flights from Denver to Flagstaff. 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$385 | Average$485 | FlexibilityNo cancel fee | On-time71% |