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Cheap flights from Billings to Chicago from $120

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 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
12:19 pm - 4:13 pmBIL-ORD
2h 54mnonstop
American Airlines Logo
9:40 am - 11:50 amORD-BIL
3h 10mnonstop
$210American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
12:19 pm - 4:13 pmBIL-ORD
2h 54mnonstop
American Airlines Logo
8:39 pm - 10:39 pmORD-BIL
3h 00mnonstop
$225American Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14
American Airlines Logo
6:00 am - 9:53 amBIL-ORD
2h 53mnonstop
American Airlines Logo
9:40 am - 11:50 amORD-BIL
3h 10mnonstop
$229American Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 12
Delta Logo
5:25 am - 11:53 amBIL-ORD
5h 28m1 stop
Delta Logo
3:58 pm - 7:44 pmORD-BIL
4h 46m1 stop
$233Delta
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Wed, Sep 17 - Sat, Sep 20
Delta Logo
5:25 am - 11:53 amBIL-ORD
5h 28m1 stop
Delta Logo
10:35 am - 7:44 pmORD-BIL
10h 09m2 stops
$238Delta
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Wed, Sep 17 - Sat, Sep 20
United Airlines Logo
5:57 pm - 11:59 pmBIL-ORD
5h 02m1 stop
United Airlines Logo
8:55 am - 11:16 amORD-BIL
3h 21mnonstop
$239United Airlines
Find Deal
Fri, Aug 29 - Tue, Sep 2
United Airlines Logo
5:57 pm - 11:59 pmBIL-ORD
5h 02m1 stop
United Airlines Logo
6:21 pm - 10:46 pmORD-BIL
5h 25m1 stop
$249United Airlines
Find Deal
Fri, Aug 29 - Tue, Sep 2
Alaska Airlines Logo
2:04 pm - 10:07 pmBIL-ORD
7h 03m1 stop
Alaska Airlines Logo
5:45 pm - 12:11 amORD-BIL
7h 26m1 stop
$324Alaska Airlines
Find Deal
Wed, Sep 24 - Fri, Sep 26
Logo
4:25 pm - 4:50 amBIL-ORD
11h 25m1 stop
Logo
10:27 am - 10:44 amORD-BIL
25h 17m2 stops
$342
Find Deal
Fri, Aug 29 - Sun, Aug 31
Alaska Airlines Logo
3:40 pm - 6:22 amBIL-ORD
13h 42m2 stops
Alaska Airlines Logo
5:00 am - 2:00 pmORD-BIL
10h 00m1 stop
$350Alaska Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2

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 2
BIL12:19 pmBillings Logan Intl
2h 54m
ORD4:13 pmChicago O'Hare Intl
Oct 6
ORD9:40 amChicago O'Hare Intl
3h 10m
BIL11:50 amBillings Logan Intl
$210
Find similar
American Airlines
Sep 11
BIL12:19 pmBillings Logan Intl
2h 54m
ORD4:13 pmChicago O'Hare Intl
Sep 14
ORD8:39 pmChicago O'Hare Intl
3h 00m
BIL10:39 pmBillings Logan Intl
$225
Find similar
American Airlines
Oct 4
BIL6:00 amBillings Logan Intl
2h 53m
ORD9:53 amChicago O'Hare Intl
Oct 12
ORD9:40 amChicago O'Hare Intl
3h 10m
BIL11:50 amBillings Logan Intl
$229
Find similar

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

Our best United Airlines deals on Billings to Chicago O'Hare Intl Airport flight tickets
United Airlines
Aug 29
BIL5:57 pmBillings Logan Intl
5h 02m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 2
ORD8:55 amChicago O'Hare Intl
3h 21m
BIL11:16 amBillings Logan Intl
$239
Find similar
United Airlines
Aug 29
BIL5:57 pmBillings Logan Intl
5h 02m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 2
ORD6:21 pmChicago O'Hare Intl
5h 25m
1 stop
BIL10:46 pmBillings Logan Intl
$249
Find similar
United Airlines
Sep 13
BIL5:00 amBillings Logan Intl
7h 15m
1 stop
ORD1:15 pmChicago O'Hare Intl
Sep 15
ORD2:53 pmChicago O'Hare Intl
6h 41m
1 stop
BIL8:34 pmBillings Logan Intl
$263
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 July 31, 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

Thu 10/2

12:19 pm-4:13 pm

Nonstop2h 54m

Chicago O'Hare Intl

Mon 10/6

9:40 am-11:50 am

Nonstop3h 10m

$210

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 9/11

12:19 pm-4:13 pm

Nonstop2h 54m

Chicago O'Hare Intl

Sun 9/14

8:39 pm-10:39 pm

Nonstop3h 00m

$225

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 10/4

6:00 am-9:53 am

Nonstop2h 53m

Chicago O'Hare Intl

Sun 10/12

9:40 am-11:50 am

Nonstop3h 10m

$229

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 9/17

5:25 am-11:53 am

1 stop5h 28m

Chicago O'Hare Intl

Sat 9/20

3:58 pm-7:44 pm

1 stop4h 46m

$233

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 9/17

5:25 am-11:53 am

1 stop5h 28m

Chicago O'Hare Intl

Sat 9/20

10:35 am-7:44 pm

2 stops10h 09m

$238

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 8/29

5:57 pm-11:59 pm

1 stop5h 02m

Chicago O'Hare Intl

Tue 9/2

8:55 am-11:16 am

Nonstop3h 21m

$239

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 8/29

5:57 pm-11:59 pm

1 stop5h 02m

Chicago O'Hare Intl

Tue 9/2

6:21 pm-10:46 pm

1 stop5h 25m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 9/24

2:04 pm-10:07 pm

1 stop7h 03m

Chicago O'Hare Intl

Fri 9/26

5:45 pm-12:11 am

1 stop7h 26m

$324

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 8/29

4:25 pm-4:50 am

1 stop11h 25m

Chicago O'Hare Intl

Sun 8/31

10:27 am-10:44 am

2 stops25h 17m

$342

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 10/31

3:40 pm-6:22 am

2 stops13h 42m

Chicago O'Hare Intl

Sun 11/2

5:00 am-2:00 pm

1 stop10h 00m

$350

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 Thursday when prices can be found for as low as $447. 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 $581.

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 3 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 29% 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

$120

Fastest flight time

2h 50m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Billings in the past 72 hours is $120. The best round-trip flight deal from Billings to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $210.
The fastest flight from Billings to Chicago O'Hare Intl Airport takes 2h 50m
Direct flights go from Billings to Chicago O'Hare Intl Airport every day.
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 50m, 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
8,902 reviews
Search United Airlines flights
DeltaPriceFrom $314Free CancellationRating
8.0
7,980 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. 8,902 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 6 times per week, with deals starting from $225 round-trip and rising to an average price of around $411.

Traveling to a place near Chicago?

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