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$171+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$386
(American Airlines)

One-way from

$171
(American Airlines)

Popular in

March

Cheapest in

May

Average price

$574
From Flagstaff Pulliam to Denver Intl
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One-way flight from Flagstaff Pulliam to Denver Intl
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/197:45 amFLG - DEN
1 stop5h 42mAmerican Airlines
Sun 9/2112:14 pmDEN - FLG
1 stop5h 40mAmerican Airlines
Deal found 6/10$346

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 June 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

Mon 7/21

11:56 am-6:05 pm

1 stop5h 09m

Denver Intl

Fri 7/25

6:45 pm-9:26 pm

1 stop3h 41m

$386

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Thu 8/7

10:30 am-6:18 pm

1 stop6h 48m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, October is the cheapest month in which you can book a flight from Flagstaff to Denver (average of $197). Flying from Flagstaff to Denver in March is currently the most expensive (average of $278). 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 June 12, 2025.

It’s optimal to fly from Flagstaff to Denver in the afternoon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the morning.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

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.

  • 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 $386. This flight start at 32% 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, October is the cheapest month in which you can book a flight from Flagstaff to Denver (average of $197). Flying from Flagstaff to Denver in March is currently the most expensive (average of $278). 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 Flagstaff?

Book flights to Flagstaff if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$335Average$568FlexibilityNo cancel feeOn-time71%

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