$111 Cheap Flights from Flagstaff (FLG) to Denver (DEN)

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

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Find available prices by choosing your travel dates.

Cheap Flights from Flagstaff to Denver (FLG-DEN)

Prices were available within the past 7 days and start at $111 for one-way flights and $206 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Flights from Flagstaff (FLG) to Denver (DEN)
Origin airport
Flagstaff Pulliam Field
Destination airport
Denver Intl.
Airlines serving
American Airlines
Roundtrip price
$205
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 May. 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 $111 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?
Discover the latest flight deals from FLG to DEN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FLG to DEN?
The cheapest flights from FLG to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 FLG to DEN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from FLG to DEN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.