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O'Hare Intl

$150+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(American Airlines)

One-way from

$150
(Mytrip)

Popular in

September

Cheapest in

May

Average price

$398

Good round-trip deal

$398 or less

Good one-way deal

$202 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. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 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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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 April 15, 2025.

This American Airlines deal was found by Cheapflights users on 4/14. 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 8/1412:35 pmBIL - ORD
Nonstop2h 58mAmerican Airlines
Sun 8/179:59 amORD - BIL
Nonstop3h 01mAmerican Airlines
Deal found 4/14$229
This Delta deal was found by Cheapflights users on 4/14. 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 6/266:20 amBIL - ORD
1 stop4h 43mDelta
Mon 6/305:39 pmORD - BIL
1 stop6h 32mDelta
Deal found 4/14$249
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 4/295:00 amBIL - ORD
1 stop7h 14mUnited Airlines
Sat 5/33:45 pmORD - BIL
1 stop6h 13mUnited Airlines
Deal found 4/14$279
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 5/231:57 pmBIL - ORD
1 stop26h 05mAlaska Airlines
Mon 6/27:00 amORD - BIL
2 stops17h 59mAlaska Airlines
Deal found 4/14$444
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2310:24 pmBIL - ORD
1 stop11h 26mMultiple Airlines
Thu 6/267:49 pmORD - BIL
2 stops26h 45mMultiple Airlines
Deal found 4/14$470

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 April 15, 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 8/14

12:35 pm-4:33 pm

Nonstop2h 58m

Chicago O'Hare Intl

Sun 8/17

9:59 am-12:00 pm

Nonstop3h 01m

$229

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 6/26

6:20 am-12:03 pm

1 stop4h 43m

Chicago O'Hare Intl

Mon 6/30

5:39 pm-11:11 pm

1 stop6h 32m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 4/29

5:00 am-1:14 pm

1 stop7h 14m

Chicago O'Hare Intl

Sat 5/3

3:45 pm-8:58 pm

1 stop6h 13m

$279

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 5/23

1:57 pm-5:02 pm

1 stop26h 05m

Chicago O'Hare Intl

Mon 6/2

7:00 am-11:59 pm

2 stops17h 59m

$444

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 6/23

10:24 pm-10:50 am

1 stop11h 26m

Chicago O'Hare Intl

Thu 6/26

7:49 pm-9:34 pm

2 stops26h 45m

$470

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 5/5

10:00 am-5:45 am

2 stops18h 45m

$150

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 5/6

7:45 am-6:01 pm

1 stop9h 16m

$173

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 5/14

6:23 am-2:28 pm

1 stop7h 05m

$174

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sun 6/15

6:00 am-9:54 am

Nonstop2h 54m

$196

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 6/13

5:54 pm-12:25 am

1 stop5h 31m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 11 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 eDreams the most. eDreams 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, August is the cheapest month in which you can book a flight from Billings to Chicago O'Hare Intl Airport (average of $245). Flying from Billings to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 April 15, 2025.

It’s optimal to fly from Billings to Chicago O'Hare Intl Airport at noon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 15, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Billings to Chicago have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,373 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    According to our current data, American Airlines ($229), Delta ($249), and United Airlines ($279) offers the cheapest pricing from Billings to Chicago O'Hare Intl Airport. Users have found that American Airlines is 57% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Billings to Chicago O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as $173 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $174 and American Airlines from $196 one-way.

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

    On average you can expect to pay $747 for a flight from Billings to Chicago O'Hare Intl Airport. The cheapest flight overall is $175 while the most popular route, (Billings Logan Intl - Chicago O'Hare Intl) is currently priced at $239.

  • 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, August is the cheapest month in which you can book a flight from Billings to Chicago O'Hare Intl Airport (average of $245). Flying from Billings to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$239Average$595FlexibilityNo cancel feeOn-time69%
DeltaCheapest$314Average$384FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$316Average$655FlexibilityNo cancel feeOn-time71%

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