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O'Hare Intl

$117+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This Delta deal was found by Cheapflights users on 2/13. 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 3/246:25 am
BIL
-
ORD
1 stop4h 10m
Delta
Wed 4/83:59 pm
ORD
-
BIL
1 stop5h 20m
Delta
Deal found 2/13$209
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 4/92:35 pm
BIL
-
ORD
1 stop7h 19m
United Airlines
Tue 4/142:35 pm
ORD
-
BIL
1 stop7h 22m
United Airlines
Deal found 2/10$249
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
BIL
-
ORD
Nonstop2h 51m
American Airlines
Mon 8/318:46 pm
ORD
-
BIL
Nonstop3h 13m
American Airlines
Deal found 2/10$250
This Delta deal was found by Cheapflights users on 2/12. 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 5/95:35 am
BIL
-
ORD
1 stop5h 17m
Delta
Wed 5/135:43 pm
ORD
-
BIL
1 stop6h 20m
Delta
Deal found 2/12$274
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 3/265:15 am
BIL
-
ORD
1 stop6h 03m
Delta
Mon 3/303:59 pm
ORD
-
BIL
1 stop5h 20m
Delta
Deal found 2/11$280
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:32 pm
BIL
-
ORD
1 stop20h 39m
Alaska Airlines
Tue 3/172:07 pm
ORD
-
BIL
1 stop24h 18m
Alaska Airlines
Deal found 2/9$287

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$111
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$264

Good round-trip deal

$605 or less

Good one-way deal

$466 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
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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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 February 13, 2026.
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

Tue 3/24

6:25 am-11:35 am

1 stop4h 10m

Chicago O'Hare Intl

Wed 4/8

3:59 pm-8:19 pm

1 stop5h 20m

$209

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 4/21

5:51 pm-12:30 am

1 stop5h 39m

Chicago O'Hare Intl

Sat 4/25

5:45 pm-10:43 pm

1 stop5h 58m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 5/9

5:35 am-11:52 am

1 stop5h 17m

Chicago O'Hare Intl

Wed 5/13

5:43 pm-11:03 pm

1 stop6h 20m

$259

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 3/26

5:15 am-12:18 pm

1 stop6h 03m

Chicago O'Hare Intl

Mon 3/30

3:59 pm-8:19 pm

1 stop5h 20m

$280

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 4/13

10:34 am-6:47 am

1 stop19h 13m

$117

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 3/7

2:04 pm-11:56 pm

1 stop8h 52m

$139

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 4/7

2:05 pm-11:59 pm

1 stop8h 54m

$139

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 3/6

2:04 pm-11:56 pm

1 stop8h 52m

$149

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 5/11

10:34 am-6:47 am

1 stop19h 13m

$150

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 4/6

9:57 am-8:50 am

2 stops45h 53m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 13 results
1
2

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 February.
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 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 December is currently the most expensive (average of $347). 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.

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 February 13, 2026.
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
7.9
Good
8,186 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,186 reviews
Delta
7.9
Good
8,186 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,283 reviews
Delta
7.9
Good
8,186 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,275 reviews
Delta
7.9
Good
8,186 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 0 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 6h 03m. The time it takes to get you to your destination can typically vary by up to 1h 16m. 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 36% cheaper than the other options available to this destination.

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

    On average you can expect to pay $627 for a flight from Billings to Chicago O'Hare Intl Airport. The cheapest flight overall is $204 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 December is currently the most expensive (average of $347). 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
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora

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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$406FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$353FlexibilityNo cancel feeOn-timeN/A

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