$241 Cheap Flights from Missoula (MSO) to Flagstaff (FLG)

View $241 flight on Thu, Jan 8, 2026Opens in a new window

Popular airlines from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field (FLG)

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Cheap Flights from Missoula to Flagstaff (MSO-FLG)

Prices were available within the past 7 days and start at $241 for one-way flights and $386 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Jan 11 - Tue, Jan 13
MSO
Missoula
FLG
Flagstaff
$386 Roundtrip, found 5 days ago
$386
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Jan 11 from Missoula to Flagstaff, returning Tue, Jan 13, priced at $386 found 5 days ago
American Airlines
Thu, Jan 8 - Sun, Jan 11
MSO
Missoula
FLG
Flagstaff
$416 Roundtrip, found 5 days ago
$416
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jan 8 from Missoula to Flagstaff, returning Sun, Jan 11, priced at $416 found 5 days ago
American Airlines
Wed, Jan 7 - Fri, Jan 9
MSO
Missoula
FLG
Flagstaff
$436 Roundtrip, found 5 days ago
$436
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jan 7 from Missoula to Flagstaff, returning Fri, Jan 9, priced at $436 found 5 days ago
American Airlines
Tue, Dec 9 - Wed, Dec 17
MSO
Missoula
FLG
Flagstaff
$441 Roundtrip, found 4 days ago
$441
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 9 from Missoula to Flagstaff, returning Wed, Dec 17, priced at $441 found 4 days ago
American Airlines
Mon, Jan 5 - Fri, Jan 9
MSO
Missoula
FLG
Flagstaff
$466 Roundtrip, found 5 days ago
$466
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 5 from Missoula to Flagstaff, returning Fri, Jan 9, priced at $466 found 5 days ago
American Airlines
Thu, Jan 8 - Sun, Jan 11
MSO
Missoula
FLG
Flagstaff
$486 Roundtrip, found 5 days ago
$486
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jan 8 from Missoula to Flagstaff, returning Sun, Jan 11, priced at $486 found 5 days ago
American Airlines
Wed, Dec 10 - Wed, Dec 17
MSO
Missoula
FLG
Flagstaff
$491 Roundtrip, found 4 days ago
$491
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Dec 10 from Missoula to Flagstaff, returning Wed, Dec 17, priced at $491 found 4 days ago
American Airlines
Sat, Jan 10 - Sun, Jan 11
MSO
Missoula
FLG
Flagstaff
$516 Roundtrip, found 5 days ago
$516
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jan 10 from Missoula to Flagstaff, returning Sun, Jan 11, priced at $516 found 5 days ago
American Airlines
Sat, Dec 13 - Wed, Dec 17
MSO
Missoula
FLG
Flagstaff
$521 Roundtrip, found 4 days ago
$521
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Missoula to Flagstaff, returning Wed, Dec 17, priced at $521 found 4 days ago
Alaska Airlines
Mon, Nov 17 - Fri, Nov 21
MSO
Missoula
FLG
Flagstaff
$2,355 Roundtrip, found 4 days ago
$2,355
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 17 from Missoula to Flagstaff, returning Fri, Nov 21, priced at $2,355 found 4 days ago

Alternative airports near Flagstaff

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

Select flight to Flagstaff Pulliam Field FLG. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $841
FLG
Flagstaff Pulliam Field
CheapestClosest
Average driving time to city center9 min
Flights from $841

Frequently asked questions

How much does a flight from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG) cost?
Grab a cheap one-way flight from $241 or cheap return flight from $386 from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG)?
The cheapest month to fly from MSO to FLG is January, when there's less demand. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG)?
To find the cheapest airline that'll fly you from MSO to FLG, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG)?
There are no daily direct flights available from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from MSO to FLG?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG)?
To avoid possible delays on the Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG) last-minute?
Booking your plane ticket from MSO to FLG shortly before your trip is typically more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a MSO to FLG flight and hotel package?
You can save money by securing a MSO to FLG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Missoula Intl. Airport (MSO) to Flagstaff Pulliam Field Airport (FLG)?
If you reserved your MSO to FLG flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Missoula Intl.
Destination airport
Flagstaff Pulliam Field
Airlines serving
Alaska Airlines
Roundtrip price
$385
Distance
823 mi

Book with confidence

Missoula to Flagstaff Flights

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

 

The best time to book a flight from Missoula to Flagstaff

Sunday is one of the best days to book for cheap flights from Missoula 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 Missoula 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 Missoula to Flagstaff in 2025. You can also book with separate airlines for your outbound and return journeys, from $241 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 Missoula 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 Missoula 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.

 

Missoula to Flagstaff Flights

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*Available to One Key members.