HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$140+ Cheap flights from Bozeman (BZN) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — ORD
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bozeman to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Bozeman Gallatin Field to Chicago O'Hare Intl are usually found in February or September, booked 53 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Bozeman to O'Hare Intl

Cheapest flights from Bozeman to O'Hare Intl
Explore the most affordable flight options available from Bozeman to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:40 pm
BZN
-
ORD
Nonstop3h 19m
American Airlines
Sun 10/410:16 am
ORD
-
BZN
Nonstop3h 27m
American Airlines
Deal found 7/30$295
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:55 pm
BZN
-
ORD
Nonstop3h 21m
American Airlines
Sun 9/69:45 am
ORD
-
BZN
Nonstop3h 20m
American Airlines
Deal found 8/1$296
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:30 pm
BZN
-
ORD
1 stop7h 16m
United Airlines
Sat 9/54:15 pm
ORD
-
BZN
Nonstop3h 27m
United Airlines
Deal found 7/31$301
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:30 pm
BZN
-
ORD
Nonstop3h 07m
United Airlines
Wed 9/210:55 am
ORD
-
BZN
1 stop5h 35m
United Airlines
Deal found 7/31$310
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:30 pm
BZN
-
ORD
1 stop7h 16m
United Airlines
Sat 9/51:01 pm
ORD
-
BZN
Nonstop3h 22m
United Airlines
Deal found 7/29$311
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:38 pm
BZN
-
ORD
1 stop7h 19m
Delta
Sun 10/187:00 am
ORD
-
BZN
1 stop8h 58m
Delta
Deal found 7/31$315
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:55 am
BZN
-
ORD
Nonstop3h 04m
United Airlines
Fri 9/41:01 pm
ORD
-
BZN
Nonstop3h 22m
United Airlines
Deal found 8/1$316
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am
BZN
-
ORD
2 stops12h 11m
Delta
Sun 10/257:35 am
ORD
-
BZN
1 stop5h 32m
Delta
Deal found 7/31$320

Find flight deals from Bozeman to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bozeman (BZN) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(American Airlines)

One-way from

$140
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$366

Good round-trip deal

$422 or less

Good one-way deal

$240 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Chicago O'Hare Intl flights.
Search Deals
From Bozeman Gallatin Field to Chicago O'Hare Intl
Search Deals
One-way flight from Bozeman Gallatin Field to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Bozeman Gallatin Field to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Bozeman Gallatin Field to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bozeman to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
Use the filters below to find and compare flights from Bozeman to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 9/4

12:43 pm-4:50 pm

Nonstop3h 07m

Chicago O'Hare Intl

Sun 9/6

4:15 pm-6:42 pm

Nonstop3h 27m

$295

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Thu 9/17

4:32 pm-10:46 pm

1 stop5h 14m

Chicago O'Hare Intl

Mon 9/21

4:50 pm-7:17 pm

Nonstop3h 27m

$305

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Sun 9/20

6:00 am-11:55 am

1 stop4h 55m

Chicago O'Hare Intl

Wed 9/23

7:40 pm-12:19 am

1 stop5h 39m

$315

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 10/23

5:30 am-11:55 am

1 stop5h 25m

Chicago O'Hare Intl

Sun 10/25

7:00 am-2:58 pm

1 stop8h 58m

$315

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Thu 9/3

8:25 am-5:00 pm

1 stop7h 35m

Chicago O'Hare Intl

Sun 9/6

7:00 am-3:09 pm

1 stop9h 09m

$315

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Tue 10/6

2:37 pm-10:46 pm

1 stop7h 09m

Chicago O'Hare Intl

Sat 10/10

4:20 pm-9:04 pm

1 stop5h 44m

$320

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Mon 8/31

3:49 pm-11:29 pm

1 stop6h 40m

Chicago O'Hare Intl

Wed 9/2

6:00 am-12:05 pm

2 stops7h 05m

$320

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Sat 12/12

3:25 pm-11:59 pm

1 stop7h 34m

Chicago O'Hare Intl

Sat 1/9

3:50 pm-12:10 am

2 stops9h 20m

$340

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Sat 8/29

2:30 pm-10:46 pm

1 stop7h 16m

Chicago O'Hare Intl

Sat 9/5

4:15 pm-6:42 pm

Nonstop3h 27m

$351

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 8/28

2:30 pm-10:46 pm

1 stop7h 16m

Chicago O'Hare Intl

Sun 8/30

5:00 am-9:39 am

1 stop5h 39m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Bozeman to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bozeman to O'Hare Intl in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bozeman-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bozeman-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bozeman-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bozeman-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bozeman-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bozeman to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Bozeman with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bozeman to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Bozeman to Chicago O'Hare Intl Airport?

To ensure you get the cheapest price possible for a flight from Bozeman to Chicago O'Hare Intl Airport, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Bozeman to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Bozeman to Chicago O'Hare Intl Airport (average of $229). Flying from Bozeman to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $599). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BZN to ORD?

Find hourly flight availability from Bozeman to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2026.

When flying from Bozeman to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Bozeman to Chicago O'Hare Intl Airport?

Airfare is typical for this route at the moment.

Bozeman to Chicago O'Hare Intl Airport flights typically cost between $295 and $446 in October.
The cheapest round-trip price found within the last 5 days was $295 on American Airlines (Oct 2-Oct 4).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated August 2, 2026.
Read through reviews of airlines operating flights from Bozeman to Chicago O'Hare Intl Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,061 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
10,061 reviews
United Airlines
7.4
Good
10,061 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.1
Good
11,846 reviews
United Airlines
7.4
Good
10,061 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Bozeman to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bozeman to Chicago O'Hare Intl?

    Bozeman Gallatin Field (BZN), located 8.7 mi from the city center, is the airport you fly out of when you book flights from Bozeman to Chicago O'Hare Intl. 2 airlines have flights from Gallatin Field to Chicago O'Hare Intl on a regular basis. Booking flights from Bozeman Gallatin Field to Chicago O'Hare Intl should not be difficult; the airport handles an average of 9 outbound flights to Chicago O'Hare Intl per day.

  • How long is the flight from Bozeman to Chicago O'Hare Intl Airport?

    For as low as $295, United Airlines can have you in Chicago O'Hare Intl Airport from Bozeman in 3h 07m. The distance from Bozeman to Chicago O'Hare Intl Airport is about 1182 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Bozeman to Chicago O'Hare Intl Airport round-trip?

    American Airlines, at $191, was found to be the cheapest airline from Bozeman to Chicago O'Hare Intl Airport. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 47% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Bozeman to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Bozeman to Chicago O'Hare Intl Airport consider choosing Lufthansa (73%), United Airlines (73%) or Emirates (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Bozeman to Chicago O'Hare Intl Airport?

    On average you can expect to pay $414 for a flight from Bozeman to Chicago O'Hare Intl Airport. The cheapest flight overall is $187 while the most popular route, (Bozeman Gallatin Field - Chicago O'Hare Intl) is currently priced at $295.

  • Can I find deals for flights from Bozeman to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Bozeman to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bozeman to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bozeman to O'Hare Intl.

  • Can I find deals for business class flights from Bozeman to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Bozeman to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bozeman to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Bozeman to Chicago O'Hare Intl Airport (average of $229). Flying from Bozeman to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $599). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Aurora
Racine
Great Lakes
Janesville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Bozeman to O'Hare Intl

Discover the top 2 airlines that operate flights from Bozeman to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$384FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.