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$211+ Cheap flights from Flagstaff to Denver (FLG - 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — DEN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Flagstaff to Denver

Cheapest flights from Flagstaff to Denver
Explore the most affordable flight options available from Flagstaff to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/3110:19 amFLG - DEN
1 stop4h 48mAmerican Airlines
Fri 1/210:58 amDEN - FLG
1 stop4h 37mAmerican Airlines
Deal found 12/10$356
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/264:05 pmFLG - DEN
1 stop6h 43mAmerican Airlines
Sun 1/47:10 amDEN - FLG
1 stop5h 30mAmerican Airlines
Deal found 12/11$366
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:39 amFLG - DEN
1 stop4h 05mAmerican Airlines
Mon 1/57:10 amDEN - FLG
1 stop5h 30mAmerican Airlines
Deal found 12/9$376
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:39 amFLG - DEN
1 stop4h 05mAmerican Airlines
Sun 1/47:10 amDEN - FLG
1 stop5h 30mAmerican Airlines
Deal found 12/9$406
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:39 amFLG - DEN
1 stop4h 05mAmerican Airlines
Fri 1/210:58 amDEN - FLG
1 stop4h 37mAmerican Airlines
Deal found 12/9$426
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/284:05 pmFLG - DEN
1 stop6h 43mAmerican Airlines
Mon 1/510:58 amDEN - FLG
1 stop4h 37mAmerican Airlines
Deal found 12/9$456
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/284:05 pmFLG - DEN
1 stop6h 43mAmerican Airlines
Sun 1/47:10 amDEN - FLG
1 stop5h 30mAmerican Airlines
Deal found 12/9$486
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/284:05 pmFLG - DEN
1 stop6h 43mAmerican Airlines
Sat 1/36:44 pmDEN - FLG
1 stop5h 08mAmerican Airlines
Deal found 12/9$506
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/3010:19 amFLG - DEN
1 stop4h 48mAmerican Airlines
Tue 12/306:44 pmDEN - FLG
1 stop5h 08mAmerican Airlines
Deal found 12/9$520
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/284:05 pmFLG - DEN
1 stop6h 43mAmerican Airlines
Wed 12/3110:58 amDEN - FLG
1 stop4h 37mAmerican Airlines
Deal found 12/9$536
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/284:05 pmFLG - DEN
1 stop6h 43mAmerican Airlines
Tue 12/3010:58 amDEN - FLG
1 stop4h 37mAmerican Airlines
Deal found 12/9$551
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/317:39 amFLG - DEN
1 stop4h 05mAmerican Airlines
Wed 12/312:13 pmDEN - FLG
1 stop19h 36mAmerican Airlines
Deal found 12/9$589

Find flight deals from Flagstaff to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Flagstaff (FLG) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$306
(American Airlines)

One-way from

$211
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$365
Provider with most accurate pricing for Flagstaff Pulliam-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flagstaff Pulliam-Denver Intl flights.
Search Deals
From Flagstaff Pulliam to Denver Intl
Search Deals
One-way flight from Flagstaff Pulliam to Denver Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flagstaff 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 December 12, 2025.
Use the filters below to find and compare flights from Flagstaff to Denver that are best for you.

Fly from

Flagstaff

Fly to

Denver

Route

Depart

Return

Price

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Wed 12/31

10:19 am-3:07 pm

1 stop4h 48m

Denver Intl

Fri 1/2

6:44 pm-11:52 pm

1 stop5h 08m

$356

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Fri 12/26

10:19 am-3:07 pm

1 stop4h 48m

Denver Intl

Sun 1/4

10:58 am-3:35 pm

1 stop4h 37m

$366

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Fri 1/9

6:05 pm-10:30 pm

1 stop4h 25m

Denver Intl

Mon 1/12

11:43 am-5:31 pm

1 stop5h 48m

$376

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Tue 1/6

7:24 am-11:34 am

1 stop4h 10m

Denver Intl

Mon 1/12

11:43 am-5:31 pm

1 stop5h 48m

$376

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Thu 1/8

7:24 am-11:42 am

1 stop4h 18m

Denver Intl

Sun 1/11

6:56 pm-11:44 pm

1 stop4h 48m

$376

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Wed 1/7

7:24 am-11:34 am

1 stop4h 10m

Denver Intl

Tue 1/13

2:06 pm-5:31 pm

1 stop3h 25m

$376

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Tue 1/6

12:38 pm-6:06 pm

1 stop5h 28m

Denver Intl

Sun 1/11

6:56 pm-11:44 pm

1 stop4h 48m

$376

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Tue 12/30

7:39 am-11:44 am

1 stop4h 05m

Denver Intl

Mon 1/5

7:10 am-12:40 pm

1 stop5h 30m

$376

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Thu 1/1

4:05 pm-10:49 pm

1 stop6h 44m

Denver Intl

Sun 1/4

10:58 am-3:35 pm

1 stop4h 37m

$406

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Fri 1/9

7:24 am-11:42 am

1 stop4h 18m

Denver Intl

Fri 1/9

2:06 pm-5:31 pm

1 stop3h 25m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 results
1
2

Compare providers for flights from Flagstaff to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Flagstaff to Denver in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flagstaff-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Flagstaff-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Flagstaff-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flagstaff-Denver flights, Cheapflights users trust eDreams the most. eDreams 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 Flagstaff-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Flagstaff to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Flagstaff with our price prediction graph.
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 Flagstaff to Denver

What is the cheapest month to book a flight from Flagstaff to Denver?

Currently, May is the cheapest month in which you can book a flight from Flagstaff to Denver (average of $259). Flying from Flagstaff to Denver in September is currently the most expensive (average of $345). 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 FLG to DEN?

Find hourly flight availability from Flagstaff 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 December 12, 2025.

It’s optimal to fly from Flagstaff to Denver in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

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 December 12, 2025.
Read through reviews of airlines operating flights from Flagstaff to Denver, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Flagstaff to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Flagstaff to Denver?

    A quick flight from Flagstaff to Denver can take about 4h 48m. American Airlines provides one of the quickest options available for as low as $356. Flagstaff and Denver are separated by a distance of 503 mi.

  • What is the cheapest airline to fly from Flagstaff to Denver round-trip?

    Cheapflights users have booked flights from Flagstaff to Denver round-trip from $295. This flight start at 37% lower than the current average price 3 months from now.

  • Can I find deals for flights from Flagstaff to Denver that include hotel bookings?

    Yes. In addition to deals on Flagstaff to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Flagstaff to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Flagstaff to Denver.

  • Can I find deals for business class flights from Flagstaff to Denver?

    Yes. Cheapflights offers flight deals from Flagstaff to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Flagstaff to Denver?

    Currently, May is the cheapest month in which you can book a flight from Flagstaff to Denver (average of $259). Flying from Flagstaff to Denver in September is currently the most expensive (average of $345). 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.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Flagstaff to Denver

Discover the top airline that operate flights from Flagstaff 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$295Average$470FlexibilityNo cancel feeOn-time71%

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