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Big Sky

$108+ Cheap flights from Chicago (CHI) to Big Sky, MT

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BZN
nov. 11 — nov. 181
1 adult
lun. 11/11
lun. 11/18
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The best prices from Chicago to Big Sky are usually found in January or October, booked 88 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Chicago to Big Sky

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Big Sky (BS1). 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 noviembre 6, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$346
(Delta)

One-way from

$108
(FareScan)
High demand for flights, 11% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From Chicago (CHI) to Big Sky
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One-way flight from Chicago (CHI) to Big Sky
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Find flight deals from Chicago to Big Sky

Cheapest flights from Chicago to Big Sky
Explore the most affordable flight options available from Chicago to Big Sky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2024.

This United Airlines deal was found by Cheapflights users on 11/5. 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.
lun. 12/238:20 pmORD - BZN
Nonstop3h 29mUnited Airlines
lun. 12/305:38 pmBZN - ORD
1 stop5h 21mUnited Airlines
Deal found 11/5$350
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
mié. 12/257:00 amORD - BZN
2 stops11h 00mAlaska Airlines
mar. 1/144:52 pmBZN - ORD
2 stops20h 11mAlaska Airlines
Deal found 11/5$359
This Delta deal was found by Cheapflights users on 11/4. 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.
mié. 11/273:45 pmORD - BZN
2 stops9h 36mDelta
mié. 12/46:05 amBZN - ORD
1 stop5h 37mDelta
Deal found 11/4$371
This FareScan deal was found by Cheapflights users on 11/5. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/188:52 amORD - BZN
2 stops26h 09mMultiple Airlines
dom. 12/2210:51 amBZN - ORD
2 stops19h 07mMultiple Airlines
Deal found 11/5$378
This Southwest deal was found by Cheapflights users on 11/5. 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.
mar. 12/2411:25 amORD - BZN
2 stops10h 45mSouthwest
mar. 1/145:05 amBZN - ORD
2 stops15h 25mSouthwest
Deal found 11/5$398
This Southwest deal was found by Cheapflights users on 11/5. 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.
jue. 12/58:20 amMDW - BZN
1 stop7h 00mSouthwest
jue. 12/126:00 amBZN - MDW
1 stop6h 50mSouthwest
Deal found 11/5$420
This American Airlines deal was found by Cheapflights users on 11/6. 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.
vie. 12/208:20 amORD - BZN
Nonstop3h 38mAmerican Airlines
sáb. 12/282:00 pmBZN - ORD
Nonstop3h 06mAmerican Airlines
Deal found 11/6$421
This Delta deal was found by Cheapflights users on 11/5. 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.
jue. 12/51:30 pmMDW - BZN
2 stops11h 51mDelta
jue. 12/125:30 amBZN - MDW
1 stop7h 01mDelta
Deal found 11/5$425

Find flights from Chicago to Big Sky within your budget

Customize your flight search to find flights from Chicago to Big Sky 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 2,552,551 searches. Data last updated noviembre 6, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mié. 12/4

9:10 pm-9:16 am

1 stop13h 06m

$108

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mar. 1/7

5:00 pm-10:56 pm

1 stop6h 56m

$128

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

lun. 1/6

8:20 am-10:58 am

Nonstop3h 38m

$139

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

jue. 2/6

5:28 pm-11:56 pm

1 stop7h 28m

$170

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mar. 1/28

9:15 am-11:49 am

Nonstop3h 34m

$179

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

lun. 1/6

6:15 am-12:45 pm

1 stop7h 30m

$188

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

mar. 1/28

6:59 pm-11:38 pm

1 stop5h 39m

$128

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

mié. 12/11

3:25 pm-9:10 pm

1 stop6h 45m

$200

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

dom. 1/26

6:15 am-6:01 pm

2 stops12h 46m

Bozeman Gallatin Field

jue. 1/30

5:45 am-3:33 pm

2 stops8h 48m

$346

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mié. 1/22

9:45 am-12:12 pm

Nonstop3h 27m

Bozeman Gallatin Field

dom. 1/26

1:02 pm-5:05 pm

Nonstop3h 03m

$349

Flights are sorted by cheapest first

Deals found on 11/4

Showing 1-10 of 16 results
1
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Best time to book a flight from Chicago to Big Sky

Have a flexible travel schedule? Discover the best time to fly to Big Sky from Chicago 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.

Travel insights for flights from Chicago to Big Sky

Get recent, data-driven insights about flights from Chicago to Big Sky including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Big Sky. Price data was last updated on November 1, 2024.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Big Sky. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Chicago to Big Sky (average of $370). Flying from Chicago to Big Sky in June is currently the most expensive (average of $516). 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 CHI to BS1?

Find hourly flight availability from Chicago to Big Sky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 6, 2024.

When flying from Chicago to Big Sky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chicago to Big Sky

Explore weekly flight availability from Chicago to Big Sky. 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 noviembre 6, 2024.

The most flights from CHI to BS1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Big Sky by month

Plan your trip to Big Sky by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Big Sky ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Big Sky when rainfall is around 0.4 in.

Temperature in Big Sky by month

Plan your trip to Big Sky by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Big Sky, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Big Sky

Get insights into the airlines that provide service to Big Sky. 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 Big Sky. Reviews last updated noviembre 6, 2024.
To help decide which airline to fly from Chicago to Big Sky, see what other customers have to say about Delta, United Airlines and Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,084 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,084 reviews
Southwest
8.1
Very good
5,084 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,429 reviews
Southwest
8.1
Very good
5,084 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,827 reviews
Southwest
8.1
Very good
5,084 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,216 reviews
Southwest
8.1
Very good
5,084 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.3
Good
10,000 reviews
Southwest
8.1
Very good
5,084 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Chicago to Big Sky. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Chicago to Big Sky one-way?

    $128 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $139 and $170, respectively.

  • What are the most reliable airlines from Chicago to Big Sky?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Big Sky on time: Alaska Airlines (96%), American Airlines (91%), Envoy Air (88%).

  • What are the cheapest flights from Chicago to Big Sky?

    On average you can expect to pay $368 for a flight from Chicago to Big Sky. The cheapest flight overall is $235 while the most popular route, (Chicago O'Hare Intl - Bozeman Gallatin Field) is currently priced at $256.

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

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

  • How can I find direct flights from Chicago to Big Sky?

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

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

    Yes. Cheapflights offers flight deals from Chicago to Big Sky 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 Chicago to Big Sky?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Big Sky (average of $370). Flying from Chicago to Big Sky in June is currently the most expensive (average of $516). 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

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Alternative routes for Chicago to Big Sky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Chicago to Big Sky

Discover the top 5 airlines that operate flights from Chicago to Big Sky. 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 2,552,551 searches. Data last updated noviembre 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$175Average$245FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$230Average$435FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$540FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$318Average$632FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$344Average$498FlexibilityNo cancel feeOn-time69%
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