$118 Cheap Flights from Ontario (ONT) to Bozeman (BZN)

View $118 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Bozeman Yellowstone Intl. Airport (BZN)

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Cheap Flights from Ontario to Bozeman (ONT-BZN)

Prices were available within the past 7 days and start at $118 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Tue, Nov 11 - Tue, Nov 11
ONT
Ontario
BZN
Bozeman
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, Nov 11 from Ontario to Bozeman, returning Tue, Nov 11, priced at $229 found 1 day ago
Alaska Airlines
Tue, Nov 11 - Tue, Nov 11
ONT
Ontario
BZN
Bozeman
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Ontario to Bozeman, returning Tue, Nov 11, priced at $231 found 1 day ago
Alaska Airlines
Sat, Nov 15 - Sat, Nov 15
ONT
Ontario
BZN
Bozeman
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Nov 15 from Ontario to Bozeman, returning Sat, Nov 15, priced at $235 found 3 days ago
Bargain Flight
Wed, Oct 15 - Wed, Oct 22
ONT
Ontario
BZN
Bozeman
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Oct 15 from Ontario to Bozeman, returning Wed, Oct 22, priced at $236 found 3 days ago
Bargain Flight
Fri, Nov 7 - Mon, Nov 10
ONT
Ontario
BZN
Bozeman
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Fri, Nov 7 from Ontario to Bozeman, returning Mon, Nov 10, priced at $236 found 3 days ago
United
Fri, Oct 31 - Mon, Nov 3
ONT
Ontario
BZN
Bozeman
$236 Roundtrip, found 2 days ago
$236
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 31 from Ontario to Bozeman, returning Mon, Nov 3, priced at $236 found 2 days ago
Southwest Airlines
Wed, Nov 5 - Tue, Nov 11
ONT
Ontario
BZN
Bozeman
$237 Roundtrip, found 19 hours ago
$237
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Wed, Nov 5 from Ontario to Bozeman, returning Tue, Nov 11, priced at $237 found 19 hours ago
Delta
Wed, Nov 5 - Tue, Nov 11
ONT
Ontario
BZN
Bozeman
$237 Roundtrip, found 19 hours ago
$237
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Nov 5 from Ontario to Bozeman, returning Tue, Nov 11, priced at $237 found 19 hours ago
American Airlines
Tue, Sep 30 - Wed, Oct 1
ONT
Ontario
BZN
Bozeman
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 30 from Ontario to Bozeman, returning Wed, Oct 1, priced at $237 found 6 days ago
Bargain Flight
Thu, Oct 16 - Sun, Oct 19
ONT
Ontario
BZN
Bozeman
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Thu, Oct 16 from Ontario to Bozeman, returning Sun, Oct 19, priced at $238 found 2 days ago

Find the cheapest month to fly from Ontario (ONT) to Bozeman (BZN)

August is typically the cheapest month to fly

From $199 - $364 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 $271
BZN
Gallatin Field
CheapestClosest
Average driving time to city center13 min
Flights from $271
Flights from Ontario (ONT) to Bozeman (BZN)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Bozeman Yellowstone Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$228
Distance
877 mi

Ontario to Bozeman Flights

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

 

The best time to book a flight from Ontario to Bozeman

Sunday is one of the best days to book for cheap flights from Ontario 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 Ontario 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 Ontario to Bozeman in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 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 Ontario 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 Ontario 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 Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN) cost?
Lock in a cheap one-way flight from $118 or cheap return flight from $229 from Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN)?
Flying in November may help you find better deals, as it's the cheapest month for flights between ONT and BZN. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN)?
You can't fly nonstop to Gallatin Field Airport (BZN) from Ontario, CA (ONT-Los Angeles - Ontario Intl.). However, you can easily journey to Bozeman without any layovers by departing from Los Angeles Intl. Airport (LAX).
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN)?
To find the cheapest airline that'll fly you from ONT to BZN, use Expedia's filter tool. Tailor your search based on your travel style, 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 Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN)?
You'll have to hop on a flight with a layover when traveling from Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ONT to BZN?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be 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 Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN)?
To avoid potential delays on the Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN) last-minute?
Booking your ticket from ONT to BZN right before your trip is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an ONT to BZN flight and hotel package?
Compared with arranging hotels and flights separately, booking an ONT to BZN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Just secure your flights and select from our wide 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 Los Angeles - Ontario Intl. Airport (ONT) to Gallatin Field Airport (BZN)?
In most cases, you can reschedule or cancel your ONT to BZN flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, head to our Customer Service portal.

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*Available to One Key members.