$181 Cheap Flights from Flagstaff (FLG) to Denver (DEN)

View $181 flight on Fri, Dec 19, 2025Opens in a new window

Popular airlines from Flagstaff Pulliam Field (FLG) to Denver Intl. Airport (DEN)

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Cheap Flights from Flagstaff to Denver (FLG-DEN)

Prices were available within the past 7 days and start at $181 for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Jan 2 - Sun, Jan 4
FLG
Flagstaff
DEN
Denver
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 2 from Flagstaff to Denver, returning Sun, Jan 4, priced at $306 found 1 day ago
American Airlines
Fri, Dec 19 - Tue, Dec 23
FLG
Flagstaff
DEN
Denver
$336 Roundtrip, found 2 days ago
$336
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 19 from Flagstaff to Denver, returning Tue, Dec 23, priced at $336 found 2 days ago
American Airlines
Thu, Dec 4 - Sat, Dec 6
FLG
Flagstaff
DEN
Denver
$356 Roundtrip, found 10 hours ago
$356
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Flagstaff to Denver, returning Sat, Dec 6, priced at $356 found 10 hours ago
American Airlines
Fri, Jan 2 - Sun, Jan 4
FLG
Flagstaff
DEN
Denver
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 2 from Flagstaff to Denver, returning Sun, Jan 4, priced at $376 found 1 day ago
American Airlines
Wed, Dec 31 - Sat, Jan 3
FLG
Flagstaff
DEN
Denver
$386 Roundtrip, found 1 day ago
$386
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 31 from Flagstaff to Denver, returning Sat, Jan 3, priced at $386 found 1 day ago
American Airlines
Sun, Nov 23 - Tue, Nov 25
FLG
Flagstaff
DEN
Denver
$396 Roundtrip, found 6 days ago
$396
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Nov 23 from Flagstaff to Denver, returning Tue, Nov 25, priced at $396 found 6 days ago
American Airlines
Fri, Dec 19 - Tue, Dec 23
FLG
Flagstaff
DEN
Denver
$406 Roundtrip, found 2 days ago
$406
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 19 from Flagstaff to Denver, returning Tue, Dec 23, priced at $406 found 2 days ago
American Airlines
Fri, Nov 28 - Mon, Dec 1
FLG
Flagstaff
DEN
Denver
$416 Roundtrip, found 16 hours ago
$416
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Fri, Nov 28 from Flagstaff to Denver, returning Mon, Dec 1, priced at $416 found 16 hours ago
American Airlines
Thu, Dec 4 - Sat, Dec 6
FLG
Flagstaff
DEN
Denver
$426 Roundtrip, found 10 hours ago
$426
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Flagstaff to Denver, returning Sat, Dec 6, priced at $426 found 10 hours ago
American Airlines
Wed, Nov 26 - Sat, Nov 29
FLG
Flagstaff
DEN
Denver
$436 Roundtrip, found 16 hours ago
$436
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Nov 26 from Flagstaff to Denver, returning Sat, Nov 29, priced at $436 found 16 hours ago

Find the cheapest month to fly from Flagstaff (FLG) to Denver (DEN)

May is typically the cheapest month to fly

From $205 - $650 per traveler.

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $426
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $426
Flights from Flagstaff (FLG) to Denver (DEN)
Origin airport
Flagstaff Pulliam Field
Destination airport
Denver Intl.
Airlines serving
American Airlines
Roundtrip price
$305
Distance
502 mi

Flagstaff to Denver Flights

The cheapest times to fly from Flagstaff to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Flagstaff to Denver are during the month of January. You can find some of the cheapest flights from Flagstaff to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Flagstaff to Denver

Sunday is one of the best days to book for cheap flights from Flagstaff to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Flagstaff to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Flagstaff to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $181 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Flagstaff to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Flagstaff to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN) cost?
Grab a cheap one-way flight from $181 or cheap return flight from $306 from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN)?
January is the most affordable month to fly from FLG to DEN. Traveling during an off-peak travel window is often the key to better flight prices.
Which airlines fly direct from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN)?
You can't take a direct flight from Flagstaff, AZ (FLG-Flagstaff Pulliam Field) to Denver Intl. Airport (DEN). However, you can easily travel to Denver without any layovers by departing from Prescott Municipal Airport (PRC).
What is the cheapest airline that flies from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN)?
To find the cheapest airline that'll fly you from FLG to DEN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN)?
There are no daily nonstop flights from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from FLG to DEN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN)?
To touch down at Denver Intl. Airport (DEN) without delays, pick a flight that takes off from Flagstaff Pulliam Field Airport (FLG) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN) last-minute?
Holding off until just before your departure to book a ticket from FLG to DEN often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a FLG to DEN flight and hotel package?
Securing a FLG to DEN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Flagstaff Pulliam Field Airport (FLG) to Denver Intl. Airport (DEN)?
In most instances, you can reschedule or cancel your FLG to DEN flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.