Cheap Flights from Bozeman (BZN) to St. Marys (KSM)

Popular airlines from Bozeman Yellowstone Intl. Airport (BZN) to St. Marys, AK (KSM)

Frequently asked questions

How much does a flight from Gallatin Field Airport (BZN) to St. Marys Airport (KSM) cost?
Grab a cheap one-way flight or cheap return flight from Gallatin Field Airport (BZN) to St. Marys Airport (KSM) 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 Gallatin Field Airport (BZN) to St. Marys Airport (KSM)?
The cheapest month to fly from BZN to KSM is , when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Gallatin Field Airport (BZN) to St. Marys Airport (KSM)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from BZN to KSM. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Gallatin Field Airport (BZN) to St. Marys Airport (KSM)?
There are no daily direct flights departing from Gallatin Field Airport (BZN) to St. Marys Airport (KSM). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from BZN to KSM?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gallatin Field Airport (BZN) to St. Marys Airport (KSM)?
To arrive at St. Marys Airport (KSM) on time, choose a flight that leaves from Gallatin Field Airport (BZN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Gallatin Field Airport (BZN) to St. Marys Airport (KSM) last-minute?
Last-minute bookings from BZN to KSM are generally more expensive. To secure the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a BZN to KSM flight and hotel package?
You'll typically save money by booking a BZN to KSM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Gallatin Field Airport (BZN) to St. Marys Airport (KSM)?
It's usually possible to cancel or reschedule your BZN to KSM flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Bozeman Yellowstone Intl.
Destination airport
St. Marys
Distance
2314 mi

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Bozeman to St. Marys Flights

The cheapest times to fly from Bozeman to St. Marys

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

 

The best time to book a flight from Bozeman to St. Marys

Sunday is one of the best days to book for cheap flights from Bozeman to St. Marys: 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 Bozeman to St. Marys

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 Bozeman to St. Marys in 2025. 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 Bozeman to St. Marys 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 Bozeman to St. Marys 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.

 

Bozeman to St. Marys Flights

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*Available to One Key members.