$96 Cheap Flights from Bozeman (BZN) to Chicago (ORD)

View $96 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Bozeman Yellowstone Intl. Airport (BZN) to Chicago O'Hare Intl. Airport (ORD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Bozeman to Chicago (BZN-ORD)

Prices were available within the past 7 days and start at $96 for one-way flights and $191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 19 - Mon, Sep 22
BZN
Bozeman
ORD
Chicago
$191 Roundtrip, just found
$191
Roundtrip
just found
Select American Airlines flight, departing Fri, Sep 19 from Bozeman to Chicago, returning Mon, Sep 22, priced at $191 just found
United
Fri, Sep 19 - Mon, Sep 22
BZN
Bozeman
ORD
Chicago
$191 Roundtrip, just found
$191
Roundtrip
just found
Select United flight, departing Fri, Sep 19 from Bozeman to Chicago, returning Mon, Sep 22, priced at $191 just found
United
Fri, Sep 19 - Mon, Sep 22
BZN
Bozeman
ORD
Chicago
$193 Roundtrip, just found
$193
Roundtrip
just found
Select United flight, departing Fri, Sep 19 from Bozeman to Chicago, returning Mon, Sep 22, priced at $193 just found
American Airlines
Fri, Sep 5 - Sun, Sep 7
BZN
Bozeman
ORD
Chicago
$194 Roundtrip, found 22 hours ago
$194
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Fri, Sep 5 from Bozeman to Chicago, returning Sun, Sep 7, priced at $194 found 22 hours ago
American Airlines
Fri, Aug 22 - Mon, Aug 25
BZN
Bozeman
ORD
Chicago
$196 Roundtrip, found 5 days ago
$196
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Aug 22 from Bozeman to Chicago, returning Mon, Aug 25, priced at $196 found 5 days ago
Southwest Airlines
Fri, Sep 19 - Mon, Sep 22
BZN
Bozeman
ORD
Chicago
$201 Roundtrip, just found
$201
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Sep 19 from Bozeman to Chicago, returning Mon, Sep 22, priced at $201 just found
Southwest Airlines
Fri, Sep 5 - Mon, Sep 8
BZN
Bozeman
ORD
Chicago
$202 Roundtrip, found 1 day ago
$202
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Fri, Sep 5 from Bozeman to Chicago, returning Mon, Sep 8, priced at $202 found 1 day ago
Alaska Airlines
Fri, Sep 5 - Mon, Sep 8
BZN
Bozeman
ORD
Chicago
$203 Roundtrip, found 1 day ago
$203
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Bozeman to Chicago, returning Mon, Sep 8, priced at $203 found 1 day ago
United
Sat, Sep 13 - Tue, Sep 16
BZN
Bozeman
ORD
Chicago
$204 Roundtrip, found 11 hours ago
$204
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Sep 13 from Bozeman to Chicago, returning Tue, Sep 16, priced at $204 found 11 hours ago
Delta
Sat, Sep 13 - Tue, Sep 16
BZN
Bozeman
ORD
Chicago
$217 Roundtrip, found 11 hours ago
$217
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Sep 13 from Bozeman to Chicago, returning Tue, Sep 16, priced at $217 found 11 hours ago

Find the cheapest month to fly from Bozeman (BZN) to Chicago (ORD)

August is typically the cheapest month to fly

From $171 - $593 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chicago

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

Select flight to Midway Intl. MDW. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $295
MDW
Midway Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $295
Flights from Bozeman (BZN) to Chicago (ORD)
Origin airport
Bozeman Yellowstone Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$191
Distance
1183 mi
Average flight time
4 hours 8 mins

Bozeman to Chicago Flights

The cheapest times to fly from Bozeman to Chicago

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

 

The best time to book a flight from Bozeman to Chicago

Sunday is one of the best days to book for cheap flights from Bozeman to Chicago: 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 Chicago

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 Chicago 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 Bozeman to Chicago 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 Chicago 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 Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD) cost?
Cheap return fares from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD) start at $191. 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 United and Southwest Airlines flight leaving BZN on August 19 2025 and touching down at ORD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BZN to ORD?
The cheapest flights from BZN to ORD 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 Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD)?
Fly directly from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD) on a United Airlines flight.
What is the cheapest airline that flies from BZN to ORD?
Right now, the cheapest carrier offering one-way flights from BZN to ORD is United. You can jet off on this route from $96. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BZN on October 17 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD)?
With, on average, 2 direct flights departing from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD) each day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD)?
The 12 PM departures from BZN to ORD are the most sought after. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from BZN to ORD?
Sunday offers the most flights from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD). Consider taking off on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD)?
Catch the earliest flight at around 8:45AM UTC-7, departing from Gallatin Field Airport (BZN). You'll be in the air for approximately 3h 15m, reaching O'Hare Intl. Airport (ORD) at approximately 1:00PM UTC-6.
How long does it take to fly from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD)?
The average flight time from BZN to ORD is 3 hours and 5 minutes, covering a distance of 1,200 mi.
What airline has the least delays from BZN to ORD?
With 82% of flights usually arriving on time, United Airlines has the best on-time performance for direct flights from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD). To monitor your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD)?
Select a flight from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour 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.
What airports do you fly into for Chicago from Gallatin Field Airport (BZN)?
Browse your flight options from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD). This is the only airport in Chicago you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD) last-minute?
Last-minute fares from BZN to ORD are typically more expensive. To lock in the best rates, start searching for flights early. That being said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a BZN to ORD flight and hotel package?
Booking a BZN to ORD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gallatin Field Airport (BZN) to O'Hare Intl. Airport (ORD)?
It's generally possible to cancel or reschedule your BZN to ORD flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.