Chicago

$67+ Cheap flights from Bozeman (BZN) to Chicago (CHI)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — CHI
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Bozeman Gallatin Field to Chicago are usually found in July or January, booked 57 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Bozeman to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Bozeman (BZN) to Chicago (CHI). 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 September 11, 2025.

Round-trip from

$133
(United Airlines)

One-way from

$67
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$371

Good round-trip deal

$253 or less

Good one-way deal

$196 or less
From Bozeman Gallatin Field to Chicago (CHI)
One-way flight from Bozeman Gallatin Field to Chicago (CHI)
Highest demand for flights based on searches. 14% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Bozeman Gallatin Field to Chicago (CHI).
Price to beat on a one-way flight from Bozeman Gallatin Field to Chicago (CHI).

Find flight deals from Bozeman to Chicago

Cheapest flights from Bozeman to Chicago
Explore the most affordable flight options available from Bozeman to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/158:00 amBZN - ORD
Nonstop3h 05mUnited Airlines
Sat 10/184:40 pmORD - BZN
Nonstop3h 18mUnited Airlines
Deal found 9/10$133
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/312:50 pmBZN - ORD
Nonstop3h 05mUnited Airlines
Sun 10/54:40 pmORD - BZN
Nonstop3h 18mUnited Airlines
Deal found 9/10$165
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/1612:50 pmBZN - ORD
Nonstop3h 05mUnited Airlines
Sun 10/199:15 amORD - BZN
Nonstop3h 24mUnited Airlines
Deal found 9/11$191
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:50 amBZN - ORD
1 stop11h 15mSouthwest
Sat 10/111:50 pmORD - BZN
1 stop8h 35mSouthwest
Deal found 9/8$199
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:02 pmBZN - ORD
1 stop8h 22mAlaska Airlines
Sun 11/25:00 amORD - BZN
1 stop9h 08mAlaska Airlines
Deal found 9/10$210
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 11/1112:45 pmBZN - ORD
Nonstop2h 59mUnited Airlines
Wed 11/129:15 amORD - BZN
Nonstop3h 28mUnited Airlines
Deal found 9/11$213
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/264:30 pmBZN - ORD
1 stop5h 09mUnited Airlines
Tue 9/304:40 pmORD - BZN
Nonstop3h 18mUnited Airlines
Deal found 9/11$216
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/188:00 amBZN - ORD
Nonstop3h 05mUnited Airlines
Mon 10/209:15 amORD - BZN
Nonstop3h 24mUnited Airlines
Deal found 9/11$229
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 11/116:04 amBZN - MDW
1 stop6h 03mDelta
Wed 11/126:00 amMDW - BZN
1 stop8h 25mDelta
Deal found 9/11$264
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:45 pmBZN - MDW
1 stop5h 20mSouthwest
Mon 11/106:35 pmMDW - BZN
1 stop6h 40mSouthwest
Deal found 9/10$272
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:30 pmBZN - MDW
1 stop5h 10mSouthwest
Mon 12/225:15 amMDW - BZN
1 stop5h 20mSouthwest
Deal found 9/9$280
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:00 pmBZN - MDW
1 stop6h 05mSouthwest
Mon 9/298:25 amMDW - BZN
Nonstop3h 10mSouthwest
Deal found 9/10$289

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bozeman to Chicago 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 September 11, 2025.
Use the filters below to find and compare flights from Bozeman to Chicago that are best for you.

Fly from

Bozeman

Fly to

Chicago

Route

Depart

Return

Price

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Tue 2/24

12:30 pm-4:30 pm

Nonstop3h 00m

Chicago O'Hare Intl

Fri 2/27

9:10 am-11:33 am

Nonstop3h 23m

$149

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Thu 10/16

12:50 pm-4:55 pm

Nonstop3h 05m

Chicago O'Hare Intl

Sun 10/19

9:15 am-11:39 am

Nonstop3h 24m

$165

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 10/3

12:50 pm-4:55 pm

Nonstop3h 05m

Chicago O'Hare Intl

Sun 10/5

4:40 pm-6:58 pm

Nonstop3h 18m

$165

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Wed 10/15

12:50 pm-4:55 pm

Nonstop3h 05m

Chicago O'Hare Intl

Sat 10/18

8:49 am-1:22 pm

1 stop5h 33m

$201

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 9/26

4:30 pm-10:39 pm

1 stop5h 09m

Chicago O'Hare Intl

Tue 9/30

4:40 pm-6:58 pm

Nonstop3h 18m

$216

BozemanChicago

BZN - MDW

BZNMDW

Bozeman Gallatin Field

Tue 2/24

11:15 am-10:40 pm

1 stop10h 25m

Chicago Midway

Fri 2/27

5:20 am-9:55 am

1 stop5h 35m

$232

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Thu 2/26

3:00 pm-11:44 pm

1 stop7h 44m

Chicago O'Hare Intl

Mon 3/2

7:00 pm-12:04 am

1 stop6h 04m

$237

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Fri 10/31

2:29 pm-11:59 pm

1 stop8h 30m

Chicago O'Hare Intl

Sun 11/2

7:37 am-2:21 pm

1 stop7h 44m

$237

BozemanChicago

BZN - MDW

BZNMDW

Bozeman Gallatin Field

Thu 2/26

6:00 am-6:34 pm

2 stops11h 34m

Chicago Midway

Mon 3/2

6:45 pm-12:04 am

1 stop6h 19m

$242

BozemanChicago

BZN - ORD

BZNORD

Bozeman Gallatin Field

Thu 2/26

12:30 pm-4:30 pm

Nonstop3h 00m

Chicago O'Hare Intl

Mon 3/2

3:50 pm-6:13 pm

Nonstop3h 23m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 35 results
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Best time to book a flight from Bozeman to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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

How far ahead should I book a flight from Bozeman to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Bozeman to Chicago. Price data was last updated on August 29, 2025.

The price you pay for your flight from Bozeman to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Bozeman to Chicago?

Currently, August is the cheapest month in which you can book a flight from Bozeman to Chicago (average of $245). Flying from Bozeman to Chicago in March is currently the most expensive (average of $321). 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 CHI?

Find hourly flight availability from Bozeman to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Bozeman to Chicago in the afternoon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Bozeman to Chicago

Explore weekly flight availability from Bozeman to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from BZN to CHI are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Bozeman to Chicago?

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Bozeman to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Bozeman to Chicago. 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?

    If you book a flight to Chicago from Bozeman, you will be flying from Gallatin Field, which is the city’s only airport. Bozeman Gallatin Field (BZN) is located 8.7 mi from the center of Bozeman. There are 10 flights from Gallatin Field to Chicago per day from 5 different airlines.

  • How long is the flight from Bozeman to Chicago?

    United Airlines, Southwest, and Delta can get you from Bozeman to Chicago in just under 3h. Your travel time can differ by up to 8h 34m. Airlines will cover a distance of 1182 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Bozeman to Chicago round-trip?

    Flying on American Airlines is currently your cheapest option to Chicago, with prices starting at $191. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $236 and $246, respectively. You may be able to fly from Bozeman to Chicago for 52% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Bozeman to Chicago?

    Consider SkyWest Airlines (79%), United Airlines (74%) or Lufthansa (71%) when booking your flight. These represent the most reliable airlines when flying from Bozeman to Chicago.

  • What are the cheapest flights from Bozeman to Chicago?

    Looking at all options, your cheapest flight can be booked for $120. While the most popular route (Bozeman Gallatin Field - Chicago O'Hare Intl) can be booked for $133 on average, our data indicates $704 when flying from Bozeman to Chicago.

  • Can I find deals for flights from Bozeman to Chicago that include hotel bookings?

    Yes. In addition to deals on Bozeman to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bozeman to Chicago?

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

  • Can I find deals for business class flights from Bozeman to Chicago?

    Yes. Cheapflights offers flight deals from Bozeman to Chicago 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?

    Currently, August is the cheapest month in which you can book a flight from Bozeman to Chicago (average of $245). Flying from Bozeman to Chicago in March is currently the most expensive (average of $321). 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?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Chesterton

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Top 5 airlines flying from Bozeman to Chicago

Discover the top 5 airlines that operate flights from Bozeman to Chicago. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$302FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$398FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$297Average$325FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$388Average$418FlexibilityNo cancel feeOn-time63%

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