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O'Hare Intl

$110+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ORD
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 30, 2025.

Round-trip from

$210
(American Airlines)

One-way from

$110
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$467

Good round-trip deal

$333 or less

Good one-way deal

$250 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 ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% 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 30, 2025.

This American Airlines deal was found by Cheapflights users on 6/28. 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 10/212:19 pmBIL - ORD
Nonstop2h 54mAmerican Airlines
Tue 10/79:59 amORD - BIL
Nonstop3h 01mAmerican Airlines
Deal found 6/28$210
This Mytrip deal was found by Cheapflights users on 6/30. 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 8/2210:27 pmBIL - ORD
1 stop12h 16mMultiple Airlines
Mon 8/256:00 amORD - BIL
1 stop16h 37mMultiple Airlines
Deal found 6/30$221
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/144:15 pmBIL - ORD
1 stop7h 15mUnited Airlines
Mon 8/189:20 amORD - BIL
Nonstop3h 16mUnited Airlines
Deal found 6/30$239
This Delta deal was found by Cheapflights users on 6/30. 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 8/145:25 amBIL - ORD
1 stop5h 33mDelta
Mon 8/185:40 pmORD - BIL
1 stop6h 32mDelta
Deal found 6/30$249
This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:43 pmBIL - ORD
1 stop7h 21mHawaiian Airlines
Sat 9/136:20 amORD - BIL
1 stop9h 43mHawaiian Airlines
Deal found 6/29$341
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 stop10h 45mAlaska Airlines
Tue 10/73:20 pmORD - BIL
1 stop9h 48mAlaska Airlines
Deal found 6/28$374

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 30, 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 10/2

12:19 pm-4:13 pm

Nonstop2h 54m

Chicago O'Hare Intl

Tue 10/7

9:59 am-12:00 pm

Nonstop3h 01m

$210

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 8/22

10:27 pm-11:43 am

1 stop12h 16m

Chicago O'Hare Intl

Mon 8/25

6:00 am-9:37 pm

1 stop16h 37m

$221

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/14

4:15 pm-12:30 am

1 stop7h 15m

Chicago O'Hare Intl

Mon 8/18

9:20 am-11:36 am

Nonstop3h 16m

$239

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/14

5:25 am-11:58 am

1 stop5h 33m

Chicago O'Hare Intl

Mon 8/18

5:40 pm-11:12 pm

1 stop6h 32m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 9/6

3:43 pm-12:04 am

1 stop7h 21m

Chicago O'Hare Intl

Sat 9/13

6:20 am-3:03 pm

1 stop9h 43m

$341

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 10/2

7:18 pm-7:03 am

1 stop10h 45m

Chicago O'Hare Intl

Tue 10/7

3:20 pm-12:08 am

1 stop9h 48m

$374

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 9/11

12:19 pm-4:13 pm

Nonstop2h 54m

$110

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

Tue 8/19

6:25 am-3:00 pm

1 stop7h 35m

$175

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 8/23

3:43 pm-7:03 am

2 stops14h 20m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 11 results
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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 30, 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 30, 2025.

The most flights from BIL to ORD are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

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 30, 2025.
Read through reviews of airlines operating flights from Billings to Chicago O'Hare Intl Airport, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

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

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,529 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

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
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

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

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

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 5 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 ($210), United Airlines ($239), and Delta ($249) 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 $110 on American Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $174 and Delta from $175 one-way.

  • 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 SkyWest Airlines (92%), United Airlines (92%) or American Airlines (67%) 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 $388 for a flight from Billings to Chicago O'Hare Intl Airport. The cheapest flight overall is $189 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, 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$225Average$467FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$595FlexibilityNo cancel feeOn-time69%
DeltaCheapest$314Average$380FlexibilityNo cancel feeOn-timeN/A

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