Cheap Flights from Boulder (WBU) to Flagstaff (FLG)

Popular airlines from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field (FLG)

Frequently asked questions

How much does a flight from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG) cost?
Get a cheap one-way flight or cheap return flight from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG)?
The cheapest month to fly from WBU to FLG is , when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest WBU to FLG flight.
How many flights per day from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG)?
Nonstop flights from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from WBU to FLG?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG)?
Select a flight from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG) last-minute?
Holding off until just before your trip to book a flight from WBU to FLG often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for the best chance of landing a bargain.
Is it cheaper to book a WBU to FLG flight and hotel package?
You'll generally save money by booking a WBU to FLG flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Boulder, CO (WBU-Boulder Municipal) to Flagstaff Pulliam Field Airport (FLG)?
If you booked your WBU to FLG flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Boulder Municipal
Destination airport
Flagstaff Pulliam Field
Distance
488 mi

Book with confidence

Boulder to Flagstaff Flights

The cheapest times to fly from Boulder to Flagstaff

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 Boulder to Flagstaff are during the month of . You can find some of the cheapest flights from Boulder to Flagstaff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boulder to Flagstaff

Sunday is one of the best days to book for cheap flights from Boulder to Flagstaff: 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 Boulder to Flagstaff

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 Boulder to Flagstaff in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Boulder to Flagstaff 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 Boulder to Flagstaff 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.

 

Boulder to Flagstaff Flights

Explore a world of travel with Expedia

*Available to One Key members.