$96 Cheap Flights from St. Louis (STL) to Bozeman (BZN)

View $96 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Bozeman Yellowstone Intl. Airport (BZN)

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Cheap Flights from St. Louis to Bozeman (STL-BZN)

Prices were available within the past 7 days and start at $96 for one-way flights and $192 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Oct 23 - Mon, Oct 27
STL
St. Louis
BZN
Bozeman
$192 Roundtrip, found 7 hours ago
$192
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Thu, Oct 23 from St. Louis to Bozeman, returning Mon, Oct 27, priced at $192 found 7 hours ago
Southwest Airlines
Thu, Oct 23 - Mon, Oct 27
STL
St. Louis
BZN
Bozeman
$198 Roundtrip, found 7 hours ago
$198
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Thu, Oct 23 from St. Louis to Bozeman, returning Mon, Oct 27, priced at $198 found 7 hours ago
Southwest Airlines
Wed, Dec 3 - Mon, Dec 8
STL
St. Louis
BZN
Bozeman
$213 Roundtrip, found 9 hours ago
$213
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Wed, Dec 3 from St. Louis to Bozeman, returning Mon, Dec 8, priced at $213 found 9 hours ago
Southwest Airlines
Sun, Oct 19 - Sat, Oct 25
STL
St. Louis
BZN
Bozeman
$216 Roundtrip, found 2 hours ago
$216
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sun, Oct 19 from St. Louis to Bozeman, returning Sat, Oct 25, priced at $216 found 2 hours ago
Southwest Airlines
Sun, Oct 19 - Sat, Oct 25
STL
St. Louis
BZN
Bozeman
$221 Roundtrip, found 2 hours ago
$221
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sun, Oct 19 from St. Louis to Bozeman, returning Sat, Oct 25, priced at $221 found 2 hours ago
Southwest Airlines
Thu, Oct 23 - Mon, Oct 27
STL
St. Louis
BZN
Bozeman
$224 Roundtrip, found 7 hours ago
$224
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Thu, Oct 23 from St. Louis to Bozeman, returning Mon, Oct 27, priced at $224 found 7 hours ago
United
Thu, Oct 16 - Sat, Oct 18
STL
St. Louis
BZN
Bozeman
$230 Roundtrip, found 6 hours ago
$230
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Oct 16 from St. Louis to Bozeman, returning Sat, Oct 18, priced at $230 found 6 hours ago
Alaska Airlines
Thu, Oct 16 - Sat, Oct 18
STL
St. Louis
BZN
Bozeman
$235 Roundtrip, found 6 hours ago
$235
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Thu, Oct 16 from St. Louis to Bozeman, returning Sat, Oct 18, priced at $235 found 6 hours ago
American Airlines
Thu, Oct 16 - Sat, Oct 18
STL
St. Louis
BZN
Bozeman
$257 Roundtrip, found 6 hours ago
$257
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Oct 16 from St. Louis to Bozeman, returning Sat, Oct 18, priced at $257 found 6 hours ago
Delta
Tue, Dec 16 - Wed, Dec 24
STL
St. Louis
BZN
Bozeman
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Delta flight, departing Tue, Dec 16 from St. Louis to Bozeman, returning Wed, Dec 24, priced at $257 just found

Find the cheapest month to fly from St. Louis (STL) to Bozeman (BZN)

September is typically the cheapest month to fly

From $214 - $519 per traveler.

Graph displaying average flight prices per month

Alternative airports near Bozeman

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

Select flight to Gallatin Field BZN. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $351
BZN
Gallatin Field
CheapestClosest
Average driving time to city center13 min
Flights from $351
Flights from St. Louis (STL) to Bozeman (BZN)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Bozeman Yellowstone Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$192
Distance
1164 mi

St. Louis to Bozeman Flights

The cheapest times to fly from St. Louis to Bozeman

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

 

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

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

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 St. Louis to Bozeman in 2025. You can also book with separate airlines for your outbound and return journeys, from $96 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 St. Louis to Bozeman 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 St. Louis to Bozeman 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 Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN) cost?
Secure a cheap one-way flight from $96 or cheap return flight from $192 from Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN) 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 Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN)?
Traveling in October is a good way to save, as it's the cheapest month for flights between STL and BZN. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN)?
To find the cheapest airline flying from STL to BZN, 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 most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to BZN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a number of factors, such as 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 Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 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 Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN) last-minute?
Last-minute fares from STL to BZN are typically more expensive. To secure the best prices, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a STL to BZN flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to BZN flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Gallatin Field Airport (BZN)?
Usually, it's possible to reschedule or cancel your STL to BZN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.