$105 Cheap Flights from Chicago (ORD) to Bozeman (BZN)

View $105 flight on Tue, Aug 19, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Chicago to Bozeman (ORD-BZN)

Prices were available within the past 7 days and start at $105 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Sep 21 - Thu, Sep 25
ORD
Chicago
BZN
Bozeman
$197 Roundtrip, found 5 hours ago
$197
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sun, Sep 21 from Chicago to Bozeman, returning Thu, Sep 25, priced at $197 found 5 hours ago
American Airlines
Fri, Sep 5 - Tue, Sep 9
ORD
Chicago
BZN
Bozeman
$204 Roundtrip, found 4 hours ago
$204
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Sep 5 from Chicago to Bozeman, returning Tue, Sep 9, priced at $204 found 4 hours ago
Bargain Flight
Wed, Jun 4 - Sat, Jun 7
ORD
Chicago
BZN
Bozeman
$209 Roundtrip, found 3 days ago
$209
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Jun 4 from Chicago to Bozeman, returning Sat, Jun 7, priced at $209 found 3 days ago
Hawaiian Airlines
Sat, Aug 30 - Wed, Sep 3
ORD
Chicago
BZN
Bozeman
$210 Roundtrip, found 10 hours ago
$210
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Sat, Aug 30 from Chicago to Bozeman, returning Wed, Sep 3, priced at $210 found 10 hours ago
United
Thu, Aug 21 - Tue, Aug 26
ORD
Chicago
BZN
Bozeman
$211 Roundtrip, found 1 hour ago
$211
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 21 from Chicago to Bozeman, returning Tue, Aug 26, priced at $211 found 1 hour ago
Alaska Airlines
Tue, Aug 19 - Mon, Aug 25
ORD
Chicago
BZN
Bozeman
$213 Roundtrip, just found
$213
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Aug 19 from Chicago to Bozeman, returning Mon, Aug 25, priced at $213 just found
United
Tue, Aug 19 - Mon, Aug 25
ORD
Chicago
BZN
Bozeman
$213 Roundtrip, just found
$213
Roundtrip
just found
Select United flight, departing Tue, Aug 19 from Chicago to Bozeman, returning Mon, Aug 25, priced at $213 just found
American Airlines
Thu, Sep 4 - Mon, Sep 8
ORD
Chicago
BZN
Bozeman
$214 Roundtrip, just found
$214
Roundtrip
just found
Select American Airlines flight, departing Thu, Sep 4 from Chicago to Bozeman, returning Mon, Sep 8, priced at $214 just found
Southwest Airlines
Sat, Jun 14 - Fri, Jun 20
ORD
Chicago
BZN
Bozeman
$217 Roundtrip, found 4 hours ago
$217
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sat, Jun 14 from Chicago to Bozeman, returning Fri, Jun 20, priced at $217 found 4 hours ago
Southwest Airlines
Fri, Sep 5 - Tue, Sep 9
ORD
Chicago
BZN
Bozeman
$221 Roundtrip, found 4 hours ago
$221
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Sep 5 from Chicago to Bozeman, returning Tue, Sep 9, priced at $221 found 4 hours ago
Flights from Chicago (ORD) to Bozeman (BZN)
Origin airport
O'Hare Intl.
Destination airport
Bozeman Yellowstone Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$197
Distance
1183 mi

Chicago to Bozeman Flights

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

The best time to book a flight from Chicago to Bozeman

Sunday is one of the best days to book for cheap flights from Chicago 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 Chicago 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 Chicago to Bozeman in 2025. You can also book with separate airlines for your outbound and return journeys, from $105 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 Chicago 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 Chicago 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 O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN) cost?
You can book cheap return tickets starting at $211 from O’Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines and Southwest Airlines flight leaving ORD on May 20 2025 and touching down at BZN. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from ORD to BZN?
The cheapest flights from ORD to BZN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN)?
Jump on a nonstop flight with United Airlines and travel straight from O’Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN).
What is the cheapest airline that flies from ORD to BZN?
Journey from ORD to BZN with American Airlines. This carrier currently offers the lowest one-way fare for this route, starting from $106. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on July 16 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN)?
With an average of 2 nonstop flights that operate from O’Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN) every day, you’ll be jetting off in no time.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN)?
The 9 AM departures from ORD to BZN are the top choice for many travelers. Prices can be higher for these popular slots. If you’re looking to save, pick a less crowded time to fly.
What day of the week has the most flights from ORD to BZN?
If you jet off on a Saturday, you’ll get the largest range of options for flights from O’Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN)?
The earliest flight jetting off from O’Hare Intl. Airport (ORD) is at around 9:15AM UTC-6. Board this plane and you’ll touch down at Gallatin Field Airport (BZN) at approximately 11:49AM UTC-7. The total flight duration is 3h 34m.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN)?
It takes approximately 3 hours and 32 minutes to travel the 1,200 mi from ORD to BZN.
What airline has the least delays from ORD to BZN?
American Airlines has the strongest track record for on-time direct flights from O’Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN), with an on-time rating of 80%. Use the Expedia App to see your flight schedule before you go and get immediate updates about any trip changes.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN)?
To touch down at Gallatin Field Airport (BZN) without delays, book a flight that leaves O’Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Bozeman from O'Hare Intl. Airport (ORD)?
Explore your flight options from O’Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN). This is the only Bozeman airport you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN) last-minute?
Last-minute bookings from ORD to BZN are typically more expensive. To lock in the cheapest rates, start looking for flights as early as possible. That said, if your travel plans are flexible, it’s possible to score a cheap ticket right before you leave.
Is it cheaper to book an ORD to BZN flight and hotel package?
Compared with arranging flights and hotels separately, booking an ORD to BZN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Gallatin Field Airport (BZN)?
It’s generally possible to reschedule or cancel your ORD to BZN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check 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.