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O'Hare Intl

$127+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$191
(American Airlines)

One-way from

$127
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$467

Good round-trip deal

$370 or less

Good one-way deal

$195 or less
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. 22% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:19 pmBIL - ORD
Nonstop2h 52mAmerican Airlines
Mon 8/189:45 amORD - BIL
Nonstop3h 04mAmerican Airlines
Deal found 6/11$191
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2510:26 pmBIL - ORD
1 stop19h 18mMultiple Airlines
Mon 7/287:08 amORD - BIL
1 stop15h 28mMultiple Airlines
Deal found 6/10$218
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/151:49 pmBIL - ORD
1 stop7h 50mUnited Airlines
Wed 8/208:55 amORD - BIL
Nonstop3h 21mUnited Airlines
Deal found 6/10$220
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 7/115:20 amBIL - ORD
1 stop5h 33mDelta
Fri 7/182:00 pmORD - BIL
2 stops11h 07mDelta
Deal found 6/11$279
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:18 pmBIL - ORD
1 stop25h 46mAlaska Airlines
Tue 10/76:00 amORD - BIL
1 stop19h 08mAlaska Airlines
Deal found 6/10$328

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 June 12, 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

12:19 pm-4:11 pm

Nonstop2h 52m

Chicago O'Hare Intl

Mon 8/18

9:45 am-11:49 am

Nonstop3h 04m

$191

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 7/25

10:26 pm-6:44 pm

1 stop19h 18m

Chicago O'Hare Intl

Mon 7/28

7:08 am-9:36 pm

1 stop15h 28m

$218

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 8/15

1:49 pm-10:39 pm

1 stop7h 50m

Chicago O'Hare Intl

Wed 8/20

8:55 am-11:16 am

Nonstop3h 21m

$220

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 7/11

5:20 am-11:53 am

1 stop5h 33m

Chicago O'Hare Intl

Fri 7/18

2:00 pm-12:07 am

2 stops11h 07m

$279

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 10/2

7:18 pm-10:04 pm

1 stop25h 46m

Chicago O'Hare Intl

Tue 10/7

6:00 am-12:08 am

1 stop19h 08m

$328

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 9/9

2:04 pm-11:59 pm

1 stop8h 55m

$127

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 7/4

5:20 am-11:52 am

1 stop5h 32m

$130

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 7/4

12:50 pm-4:45 pm

Nonstop2h 55m

$160

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 8/23

3:43 pm-11:59 pm

1 stop7h 16m

$174

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 8/23

5:49 am-9:41 am

Nonstop2h 52m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

Weekly flight availability from Billings to Chicago O'Hare Intl Airport

Explore weekly flight availability from Billings to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from BIL to ORD are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

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 June 12, 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
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 4 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 ($191), United Airlines ($220), and Delta ($279) offers the cheapest pricing from Billings to Chicago O'Hare Intl Airport. Users have found that American Airlines is 61% 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 $127 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $130 and United Airlines from $160 one-way.

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

    On average you can expect to pay $665 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 $220.

  • 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.

See more FAQs

Traveling to a place near Billings?

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Schaumburg
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$467FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$595FlexibilityNo cancel feeOn-time69%
DeltaCheapest$314Average$384FlexibilityNo cancel feeOn-timeN/A

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