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O'Hare Intl

$116+ Cheap flights from Billings (BIL) 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Billings to O'Hare Intl

Cheapest flights from Billings to O'Hare Intl
Explore the most affordable flight options available from Billings to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Delta deal was found by Cheapflights users on 10/15. 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.
Wed 11/55:25 amBIL - ORD
1 stop6h 02mDelta
Sat 11/85:15 pmORD - BIL
1 stop6h 50mDelta
Deal found 10/15$249
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 10/306:25 amBIL - ORD
1 stop7h 30mDelta
Sat 11/13:50 pmORD - BIL
1 stop4h 52mDelta
Deal found 10/15$279
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 10/2512:20 pmBIL - ORD
Nonstop2h 57mAmerican Airlines
Wed 10/299:40 amORD - BIL
Nonstop3h 10mAmerican Airlines
Deal found 10/15$304
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 10/255:25 amBIL - ORD
1 stop7h 31mDelta
Wed 10/2911:23 amORD - BIL
2 stops12h 02mDelta
Deal found 10/16$329
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/52:31 pmBIL - ORD
1 stop5h 27mUnited Airlines
Mon 11/101:00 pmORD - BIL
1 stop5h 16mUnited Airlines
Deal found 10/15$339

Cheap flight deals from Billings to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

One-way from

$116
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$321

Good round-trip deal

$408 or less

Good one-way deal

$259 or less
Provider with most accurate pricing for Billings Logan Intl-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-Chicago O'Hare Intl flights.
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From Billings Logan Intl to Chicago O'Hare Intl
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One-way flight from Billings Logan Intl to Chicago O'Hare Intl
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Highest demand for flights based on searches. 16% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Billings Logan Intl to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Billings Logan Intl to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings 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 October 16, 2025.
Use the filters below to find and compare flights from Billings to Chicago O'Hare Intl Airport that are best for you.

Fly from

Billings

Fly to

O'Hare Intl

Route

Depart

Return

Price

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 1/15

2:45 pm-11:59 pm

1 stop8h 14m

Chicago O'Hare Intl

Thu 1/22

7:00 am-1:24 pm

1 stop7h 24m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 11/5

5:25 am-4:11 pm

2 stops9h 46m

Chicago O'Hare Intl

Mon 11/10

7:40 pm-12:10 am

1 stop5h 30m

$254

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 11/5

5:25 am-4:11 pm

2 stops9h 46m

Chicago O'Hare Intl

Sat 11/8

5:15 pm-11:05 pm

1 stop6h 50m

$254

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 2/26

5:40 am-12:26 pm

1 stop5h 46m

Chicago O'Hare Intl

Mon 3/2

7:00 pm-10:50 pm

1 stop4h 50m

$264

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 10/31

2:30 pm-9:43 pm

1 stop6h 13m

Chicago O'Hare Intl

Tue 11/4

5:40 pm-11:18 pm

1 stop6h 38m

$279

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 10/30

6:25 am-2:55 pm

1 stop7h 30m

Chicago O'Hare Intl

Sun 11/2

5:40 pm-11:18 pm

1 stop6h 38m

$279

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 11/5

2:31 pm-8:58 pm

1 stop5h 27m

Chicago O'Hare Intl

Mon 11/10

1:00 pm-5:16 pm

1 stop5h 16m

$339

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 2/12

3:35 pm-1:04 pm

1 stop20h 29m

Chicago O'Hare Intl

Sun 2/15

10:00 am-10:43 pm

1 stop13h 43m

$359

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 12/11

10:24 pm-11:42 am

1 stop12h 18m

$116

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 11/17

12:00 pm-7:38 pm

2 stops30h 38m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 17 results
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Compare providers for flights from Billings 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 Billings to O'Hare Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Billings-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 Billings-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-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 Billings-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 Billings to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Billings 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 Billings to Chicago O'Hare Intl Airport

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

Currently, September is the cheapest month in which you can book a flight from Billings to Chicago O'Hare Intl Airport (average of $217). Flying from Billings to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $597). 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 BIL to ORD?

Find hourly flight availability from Billings 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 October 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Billings to Chicago O'Hare Intl Airport as you normally would.

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

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 October 16, 2025.
Read through reviews of airlines operating flights from Billings to Chicago O'Hare Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,984 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,043 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Billings 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 Billings to Chicago O'Hare Intl?

    For a flight from Billings to Chicago O'Hare Intl, you will be flying from Billings Logan Intl. Billings Logan Intl (BIL) is just 2.7 mi from the center of the city. Billings Logan Intl is the only Billings airport and it handles 3 outbound flights to Chicago O'Hare Intl per day. 3 airlines have flights to Chicago O'Hare Intl from Billings Logan Intl on a regular basis.

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

    Airlines like United Airlines and Delta fly from Billings to Chicago O'Hare Intl Airport in about 8h 14m. The time it takes to get you to your destination can typically vary by up to 1h 32m. The distance between Billings and Chicago O'Hare Intl Airport is about 1057 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, American Airlines ($225), United Airlines ($239), and Delta ($248) offers the cheapest pricing from Billings to Chicago O'Hare Intl Airport. Users have found that American Airlines is 46% cheaper than the other options available to this destination.

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

    No one likes to see their flight delayed. When booking a flight from Billings to Chicago O'Hare Intl Airport consider choosing American Airlines (85%), Envoy Air (85%) or SkyWest Airlines (80%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $413 for a flight from Billings to Chicago O'Hare Intl Airport. The cheapest flight overall is $185 while the most popular route, (Billings Logan Intl - Chicago O'Hare Intl) is currently priced at $249.

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

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

  • How can I find direct flights from Billings 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 Billings to O'Hare Intl.

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

    Yes. Cheapflights offers flight deals from Billings 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 Billings to Chicago O'Hare Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Billings to Chicago O'Hare Intl Airport (average of $217). Flying from Billings to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $597). 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
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Racine
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Billings to O'Hare Intl

Discover the top 3 airlines that operate flights from Billings 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$484FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$391FlexibilityNo cancel feeOn-timeN/A

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