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O'Hare Intl

$144+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
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 August 3, 2026.

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.
Sat 9/511:43 am
BIL
-
ORD
Nonstop3h 05m
United Airlines
Sat 9/128:40 am
ORD
-
BIL
Nonstop3h 22m
United Airlines
Deal found 7/31$261
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.
Sat 9/512:57 pm
BIL
-
ORD
2 stops10h 00m
Delta
Sat 9/123:29 pm
ORD
-
BIL
1 stop5h 38m
Delta
Deal found 7/31$286
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:58 pm
BIL
-
ORD
1 stop8h 02m
Delta
Wed 10/147:35 am
ORD
-
BIL
1 stop5h 43m
Delta
Deal found 7/29$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.
Sat 11/145:00 am
BIL
-
ORD
1 stop5h 19m
United Airlines
Sat 11/217:00 am
ORD
-
BIL
1 stop7h 29m
United Airlines
Deal found 7/31$302
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.
Wed 9/1612:28 pm
BIL
-
ORD
Nonstop3h 02m
American Airlines
Wed 9/239:41 am
ORD
-
BIL
Nonstop3h 16m
American Airlines
Deal found 8/1$309
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.
Sat 11/146:30 am
BIL
-
ORD
2 stops9h 33m
Delta
Sat 11/214:30 pm
ORD
-
BIL
1 stop6h 52m
Delta
Deal found 7/31$315

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 August 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(United Airlines)

One-way from

$144
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$517

Good round-trip deal

$473 or less

Good one-way deal

$323 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
Search Deals
One-way flight from Billings Logan Intl to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% 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 Billings Logan Intl to Chicago O'Hare Intl.
Search Deals
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 August 3, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 9/5

11:43 am-3:48 pm

Nonstop3h 05m

Chicago O'Hare Intl

Sat 9/12

8:40 am-11:02 am

Nonstop3h 22m

$261

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 10/23

6:01 am-7:11 pm

2 stops12h 10m

Chicago O'Hare Intl

Tue 10/27

3:30 pm-8:15 pm

1 stop5h 45m

$317

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 9/16

2:29 pm-10:00 pm

1 stop6h 31m

Chicago O'Hare Intl

Sun 9/20

5:00 am-9:41 am

1 stop5h 41m

$361

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/27

5:20 am-11:59 am

1 stop5h 39m

Chicago O'Hare Intl

Mon 8/31

3:51 pm-8:12 pm

1 stop5h 21m

$424

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/27

2:29 pm-10:00 pm

1 stop6h 31m

Chicago O'Hare Intl

Mon 8/31

5:51 pm-10:07 pm

1 stop5h 16m

$424

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 10/8

6:01 am-8:30 pm

2 stops13h 29m

Chicago O'Hare Intl

Tue 10/13

7:35 am-12:18 pm

1 stop5h 43m

$458

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 10/7

12:58 pm-7:41 am

2 stops17h 43m

Chicago O'Hare Intl

Wed 10/14

8:05 am-8:15 pm

2 stops13h 10m

$462

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 9/16

6:23 am-11:39 am

1 stop4h 16m

Chicago O'Hare Intl

Wed 9/23

12:29 pm-10:34 pm

2 stops11h 05m

$464

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 9/23

7:29 pm-6:20 am

1 stop9h 51m

Chicago O'Hare Intl

Wed 9/30

7:20 am-11:29 pm

2 stops17h 09m

$498
Cheapest one-way

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 9/30

2:28 pm-9:52 pm

1 stop6h 24m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 17 resultsSorted by cheapest first
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 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 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, February is the cheapest month in which you can book a flight from Billings to Chicago O'Hare Intl Airport (average of $279). Flying from Billings to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $658). 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 August 3, 2026.

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?

Airfare is below average for this route at the moment.

Billings to Chicago O'Hare Intl Airport flights typically cost between $339 and $569 in September.
The cheapest round-trip price found within the last 5 days was $261 on United Airlines (Sep 5-Sep 12).

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 3, 2026.
Read through reviews of airlines operating flights from Billings to Chicago O'Hare Intl Airport, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,058 reviews
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,842 reviews
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 1 outbound flight 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 3h 05m. The time it takes to get you to your destination can typically vary by up to 9h 05m. 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, Delta ($230), United Airlines ($249), and American Airlines ($311) offers the cheapest pricing from Billings to Chicago O'Hare Intl Airport. Users have found that Delta is 45% 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 (72%), Qatar Airways (72%) or Envoy Air (72%) 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 $481 for a flight from Billings to Chicago O'Hare Intl Airport. The cheapest flight overall is $287 while the most popular route, (Billings Logan Intl - Chicago O'Hare Intl) is currently priced at $261.

  • 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, February is the cheapest month in which you can book a flight from Billings to Chicago O'Hare Intl Airport (average of $279). Flying from Billings to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $658). 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
Oakbrook Terrace
Delavan
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet

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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 August 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$378FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$311Average$473FlexibilityNo cancel feeOn-time71%

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