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O'Hare Intl

$148+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:02 pm
BIL
-
ORD
Nonstop2h 58m
American Airlines
Sat 10/249:40 am
ORD
-
BIL
Nonstop3h 02m
American Airlines
Deal found 5/8$251
This United Airlines deal was found by Cheapflights users on 5/10. 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 10/212:29 pm
BIL
-
ORD
1 stop5h 44m
United Airlines
Sat 10/243:55 pm
ORD
-
BIL
1 stop6h 05m
United Airlines
Deal found 5/10$271
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:45 am
BIL
-
ORD
1 stop5h 40m
Delta
Sat 10/241:35 pm
ORD
-
BIL
2 stops9h 57m
Delta
Deal found 5/10$276
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:20 am
BIL
-
ORD
1 stop5h 40m
Delta
Wed 7/85:54 pm
ORD
-
BIL
1 stop6h 26m
Delta
Deal found 5/6$281
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:50 am
BIL
-
ORD
1 stop6h 08m
Delta
Fri 7/35:57 pm
ORD
-
BIL
1 stop6h 03m
Delta
Deal found 5/6$300
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:20 am
BIL
-
ORD
1 stop5h 40m
Delta
Tue 7/78:27 am
ORD
-
BIL
2 stops10h 25m
Delta
Deal found 5/10$303
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:45 am
BIL
-
ORD
2 stops8h 13m
Delta
Sat 9/128:15 am
ORD
-
BIL
2 stops12h 22m
Delta
Deal found 5/8$310
This Delta deal was found by Cheapflights users on 5/7. 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 8/2711:51 am
BIL
-
ORD
2 stops11h 07m
Delta
Mon 8/315:20 pm
ORD
-
BIL
1 stop6h 17m
Delta
Deal found 5/7$324

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(American Airlines)

One-way from

$148
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$368

Good round-trip deal

$519 or less

Good one-way deal

$251 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. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 May 11, 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

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 10/21

2:29 pm-9:13 pm

1 stop5h 44m

Chicago O'Hare Intl

Sat 10/24

3:55 pm-9:00 pm

1 stop6h 05m

$271

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 10/21

5:45 am-12:25 pm

1 stop5h 40m

Chicago O'Hare Intl

Sat 10/24

1:35 pm-10:32 pm

2 stops9h 57m

$276

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 7/2

5:20 am-12:00 pm

1 stop5h 40m

Chicago O'Hare Intl

Tue 7/7

8:27 am-5:52 pm

2 stops10h 25m

$303
Quickest round-trip

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 6/6

6:00 pm-12:44 am

1 stop5h 44m

Chicago O'Hare Intl

Sat 6/13

5:00 am-9:35 am

1 stop5h 35m

$334

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 7/13

5:20 am-11:59 am

1 stop5h 39m

Chicago O'Hare Intl

Mon 7/20

1:24 pm-10:50 pm

2 stops10h 26m

$357

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 6/5

6:00 pm-12:44 am

1 stop5h 44m

Chicago O'Hare Intl

Fri 6/12

5:00 am-9:35 am

1 stop5h 35m

$384

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 5/22

11:34 am-6:50 pm

1 stop6h 16m

Chicago O'Hare Intl

Sun 5/24

5:00 pm-10:52 pm

1 stop6h 52m

$389

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 6/9

6:00 pm-12:44 am

1 stop5h 44m

Chicago O'Hare Intl

Tue 6/16

5:00 am-9:35 am

1 stop5h 35m

$393
Cheapest one-way

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/6

5:10 am-11:59 am

1 stop5h 49m

$163
Quickest one-way

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 9/15

5:45 am-12:21 pm

1 stop5h 36m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

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 May.
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.

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 May 11, 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
7.9
Good
8,451 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

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
7.9
Good
8,451 reviews
Delta
7.9
Good
8,451 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

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
9,699 reviews
Delta
7.9
Good
8,451 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

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
11,667 reviews
Delta
7.9
Good
8,451 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

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 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 5h 40m. The time it takes to get you to your destination can typically vary by up to 04m. 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 ($210), American Airlines ($225), and United Airlines ($249) offers the cheapest pricing from Billings to Chicago O'Hare Intl Airport. Users have found that Delta is 47% 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 $486 for a flight from Billings to Chicago O'Hare Intl Airport. The cheapest flight overall is $194 while the most popular route, (Billings Logan Intl - Chicago O'Hare Intl) is currently priced at $281.

  • 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
Rosemont
Schaumburg
Naperville
Gurnee
Delavan
Oakbrook Terrace
Lake Geneva
Benton Harbor
Hoffman Estates
Downers Grove
Des Plaines
Oak Brook
South Holland
Libertyville
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing
Arlington Heights

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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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$210Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$225Average$390FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$399FlexibilityNo cancel feeOn-time69%

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