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Cheap flights from Billings to Chicago from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Chicago departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Billings to Chicago

Cheap round-trip flights

American Airlines Logo
12:20 pm - 4:17 pmBIL-ORD
2h 57mnonstop
American Airlines Logo
9:40 am - 11:50 amORD-BIL
3h 10mnonstop
$229American Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
American Airlines Logo
12:20 pm - 4:17 pmBIL-ORD
2h 57mnonstop
American Airlines Logo
5:00 am - 1:22 pmORD-BIL
9h 22m1 stop
$239American Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
United Airlines Logo
11:58 am - 3:58 pmBIL-ORD
3h 00mnonstop
United Airlines Logo
8:55 am - 11:16 amORD-BIL
3h 21mnonstop
$244United Airlines
Find Deal
Fri, Oct 10 - Thu, Oct 16
United Airlines Logo
5:00 am - 11:23 amBIL-ORD
5h 23m1 stop
United Airlines Logo
3:55 pm - 10:49 pmORD-BIL
7h 54m1 stop
$249United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Delta Logo
6:25 am - 11:28 amBIL-ORD
4h 03m1 stop
Delta Logo
1:25 pm - 10:25 pmORD-BIL
10h 00m2 stops
$254Delta
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Sat, Oct 25 - Wed, Oct 29
Delta Logo
5:25 am - 4:11 pmBIL-ORD
9h 46m2 stops
Delta Logo
1:25 pm - 10:25 pmORD-BIL
10h 00m2 stops
$259Delta
Find Deal
Sat, Oct 25 - Wed, Oct 29
Multiple Airlines Logo
10:14 am - 12:17 amBIL-ORD
13h 03m1 stop
Multiple Airlines Logo
1:14 pm - 9:24 amORD-BIL
21h 10m2 stops
$406Multiple Airlines
Find Deal
Fri, Oct 10 - Thu, Oct 16
Multiple Airlines Logo
10:14 am - 8:54 pmBIL-ORD
9h 40m1 stop
Multiple Airlines Logo
9:54 pm - 9:12 amORD-BIL
12h 18m1 stop
$407Multiple Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 12
Alaska Airlines Logo
2:00 pm - 12:24 amBIL-ORD
9h 24m1 stop
Alaska Airlines Logo
8:59 pm - 1:20 pmORD-BIL
17h 21m2 stops
$411Alaska Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 2
Alaska Airlines Logo
7:19 pm - 6:22 amBIL-ORD
10h 03m1 stop
Alaska Airlines Logo
8:59 pm - 1:20 pmORD-BIL
17h 21m2 stops
$439Alaska Airlines
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Thu, Oct 30 - Sun, Nov 2

Delta flights from Billings to Chicago O'Hare Intl Airport

Our best Delta deals on Billings to Chicago O'Hare Intl Airport flight tickets
Delta
Oct 25
BIL6:25 amBillings Logan Intl
4h 03m
1 stop
ORD11:28 amChicago O'Hare Intl
Oct 29
ORD1:25 pmChicago O'Hare Intl
10h 00m
2 stops
BIL10:25 pmBillings Logan Intl
$254
Find similar
Delta
Oct 25
BIL5:25 amBillings Logan Intl
9h 46m
2 stops
ORD4:11 pmChicago O'Hare Intl
Oct 29
ORD1:25 pmChicago O'Hare Intl
10h 00m
2 stops
BIL10:25 pmBillings Logan Intl
$259
Find similar
Delta
Feb 26
BIL6:15 amBillings Logan Intl
4h 18m
1 stop
ORD11:33 amChicago O'Hare Intl
Mar 2
ORD7:00 pmChicago O'Hare Intl
4h 50m
1 stop
BIL10:50 pmBillings Logan Intl
$294
Find similar

American Airlines flights from Billings to Chicago O'Hare Intl Airport

Our best American Airlines deals on Billings to Chicago O'Hare Intl Airport flight tickets
American Airlines
Oct 25
BIL12:20 pmBillings Logan Intl
2h 57m
ORD4:17 pmChicago O'Hare Intl
Oct 29
ORD9:40 amChicago O'Hare Intl
3h 10m
BIL11:50 amBillings Logan Intl
$229
Find similar
American Airlines
Oct 25
BIL12:20 pmBillings Logan Intl
2h 57m
ORD4:17 pmChicago O'Hare Intl
Oct 29
ORD5:00 amChicago O'Hare Intl
9h 22m
1 stop
BIL1:22 pmBillings Logan Intl
$239
Find similar
American Airlines
Nov 5
BIL2:00 pmBillings Logan Intl
7h 20m
1 stop
ORD10:20 pmChicago O'Hare Intl
Nov 12
ORD7:25 amChicago O'Hare Intl
7h 05m
1 stop
BIL1:30 pmBillings Logan Intl
$269
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated September 22, 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

Fly to

Route

Depart

Return

Price

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 10/25

12:20 pm-4:17 pm

Nonstop2h 57m

Chicago O'Hare Intl

Wed 10/29

9:40 am-11:50 am

Nonstop3h 10m

$229

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 10/25

12:20 pm-4:17 pm

Nonstop2h 57m

Chicago O'Hare Intl

Wed 10/29

5:00 am-1:22 pm

1 stop9h 22m

$239

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 10/10

11:58 am-3:58 pm

Nonstop3h 00m

Chicago O'Hare Intl

Thu 10/16

8:55 am-11:16 am

Nonstop3h 21m

$244

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 11/1

5:00 am-11:23 am

1 stop5h 23m

Chicago O'Hare Intl

Sat 11/8

3:55 pm-10:49 pm

1 stop7h 54m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 10/25

6:25 am-11:28 am

1 stop4h 03m

Chicago O'Hare Intl

Wed 10/29

1:25 pm-10:25 pm

2 stops10h 00m

$254

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 10/25

5:25 am-4:11 pm

2 stops9h 46m

Chicago O'Hare Intl

Wed 10/29

1:25 pm-10:25 pm

2 stops10h 00m

$259

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 10/10

10:14 am-12:17 am

1 stop13h 03m

Chicago O'Hare Intl

Thu 10/16

1:14 pm-9:24 am

2 stops21h 10m

$406

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 10/10

10:14 am-8:54 pm

1 stop9h 40m

Chicago O'Hare Intl

Sun 10/12

9:54 pm-9:12 am

1 stop12h 18m

$407

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 10/29

2:00 pm-12:24 am

1 stop9h 24m

Chicago O'Hare Intl

Sun 11/2

8:59 pm-1:20 pm

2 stops17h 21m

$411

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 10/30

7:19 pm-6:22 am

1 stop10h 03m

Chicago O'Hare Intl

Sun 11/2

8:59 pm-1:20 pm

2 stops17h 21m

$439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Billings to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Billings averaging around $314.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $420. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $576.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Billings at noon is the least expensive time of day to depart. momondo users have found prices as low as $474 when looking at flights departing at noon. Try not to purchase tickets in the afternoon because they tend to be around $662. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Billings Logan Intl to Chicago O'Hare Intl flight route?

Fly from Billings Logan Intl to Chicago O'Hare Intl for the best Billings Logan Intl - Chicago O'Hare Intl flight prices

What cabin class options are available on Billings Logan Intl to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Billings Logan Intl to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Billings to Chicago O'Hare Intl Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a Billings to Chicago O'Hare Intl Airport flight.

When to book flights from Billings to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to Chicago O'Hare Intl Airport (BIL to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Chicago O'Hare Intl Airport

Best Price Found

$197

Fastest flight time

2h 53m

Direct flights

Mon, Thu, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Billings in the past 72 hours is $197. The best round-trip flight deal from Billings to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $385.
The fastest flight from Billings to Chicago O'Hare Intl Airport takes 2h 53m
Direct flights go from Billings to Chicago O'Hare Intl Airport on Monday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • How far is Billings Logan Intl to Chicago O'Hare Intl by plane?

    Billings Logan Intl and Chicago O'Hare Intl are 1054.8 mi apart from one another. Flights usually cover this in 2h 53m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Billings Logan Intl Airport to Chicago O'Hare Intl Airport were last updated today.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Billings Logan Intl Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billings Logan Intl Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Billings to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Billings to Chicago O'Hare Intl Airport?

Best airlines flying from Billings to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Billings to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $225Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
7,971 reviews
Search Delta flights

  • United Airlines Flights From Billings to Chicago O'Hare Intl Airport

    Across 7 United Airlines flights from Billings to Chicago O'Hare Intl Airport this week, the average price was $542, with the best United Airlines deals starting from $239 round-trip. 8,922 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • American Airlines Flights From Billings to Chicago O'Hare Intl Airport

    Another popular option for Billings to Chicago O'Hare Intl Airport flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Billings to Chicago O'Hare Intl Airport around 14 times per week, with deals starting from $225 round-trip and rising to an average price of around $371.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Orland Park
Tinley Park
Elgin
Aurora
Janesville
Benton Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Chicago?

Finding the right flight to Chicago from Billings is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Billings to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Billings with this policy.

How can momondo help me find flights from Billings to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Billings.

I’m not ready to book a flight from Billings to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Billings. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago O'Hare Intl Airport trip

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