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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 3/17. 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

Enter your travel dates to find the best prices.
Delta Logo
6:22 am - 5:26 pm
BIL
-
ORD
10h 04m2 stops
Delta Logo
12:30 pm - 7:24 pm
ORD
-
BIL
7h 54m1 stop
$254Delta
Tue, Jan 13 - Tue, Jan 20
Delta Logo
5:45 am - 12:21 pm
BIL
-
ORD
5h 36m1 stop
Delta Logo
5:20 pm - 10:37 pm
ORD
-
BIL
6h 17m1 stop
$304Delta
Sat, May 9 - Wed, May 13
United Airlines Logo
5:50 pm - 11:59 pm
BIL
-
ORD
5h 09m1 stop
United Airlines Logo
7:10 am - 1:24 pm
ORD
-
BIL
7h 14m1 stop
$314United Airlines
Wed, Dec 31 - Sun, Jan 4
American Airlines Logo
6:54 am - 5:59 pm
BIL
-
ORD
10h 05m1 stop
American Airlines Logo
6:54 am - 1:36 pm
ORD
-
BIL
7h 42m1 stop
$324American Airlines
Tue, Jan 13 - Tue, Jan 20
United Airlines Logo
2:35 pm - 9:29 pm
BIL
-
ORD
5h 54m1 stop
United Airlines Logo
2:40 pm - 9:22 pm
ORD
-
BIL
7h 42m1 stop
$329United Airlines
Sat, Feb 14 - Wed, Feb 18
Delta Logo
5:15 am - 12:23 pm
BIL
-
ORD
6h 08m1 stop
Delta Logo
3:59 pm - 8:20 pm
ORD
-
BIL
5h 21m1 stop
$334Delta
Thu, Mar 26 - Mon, Mar 30
Alaska Airlines Logo
3:35 pm - 2:38 pm
BIL
-
ORD
22h 03m2 stops
Alaska Airlines Logo
8:00 am - 2:55 pm
ORD
-
BIL
7h 55m1 stop
$346Alaska Airlines
Fri, Feb 6 - Tue, Feb 10
Alaska Airlines Logo
3:35 pm - 2:38 pm
BIL
-
ORD
22h 03m2 stops
Alaska Airlines Logo
2:06 pm - 2:55 pm
ORD
-
BIL
25h 49m2 stops
$353Alaska Airlines
Fri, Feb 6 - Tue, Feb 10
Delta Logo
5:15 am - 12:23 pm
BIL
-
ORD
6h 08m1 stop
Delta Logo
3:59 pm - 8:20 pm
ORD
-
BIL
5h 21m1 stop
$355Delta
Thu, Mar 26 - Mon, Mar 30
Delta Logo
6:15 am - 4:36 pm
BIL
-
ORD
9h 21m2 stops
Delta Logo
5:20 pm - 10:37 pm
ORD
-
BIL
6h 17m1 stop
$364Delta
Sat, May 9 - Wed, May 13

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
Jan 13
BIL6:22 amBillings Logan Intl
10h 04m
2 stops
ORD5:26 pmChicago O'Hare Intl
Jan 20
ORD12:30 pmChicago O'Hare Intl
7h 54m
1 stop
BIL7:24 pmBillings Logan Intl
$254
Find similar
Delta
May 9
BIL5:45 amBillings Logan Intl
5h 36m
1 stop
ORD12:21 pmChicago O'Hare Intl
May 13
ORD5:20 pmChicago O'Hare Intl
6h 17m
1 stop
BIL10:37 pmBillings Logan Intl
$304
Find similar
Delta
Mar 26
BIL5:15 amBillings Logan Intl
6h 08m
1 stop
ORD12:23 pmChicago O'Hare Intl
Mar 30
ORD3:59 pmChicago O'Hare Intl
5h 21m
1 stop
BIL8:20 pmBillings Logan Intl
$334
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
Dec 31
BIL5:50 pmBillings Logan Intl
5h 09m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jan 4
ORD7:10 amChicago O'Hare Intl
7h 14m
1 stop
BIL1:24 pmBillings Logan Intl
$314
Find similar
United Airlines
Feb 14
BIL2:35 pmBillings Logan Intl
5h 54m
1 stop
ORD9:29 pmChicago O'Hare Intl
Feb 18
ORD2:40 pmChicago O'Hare Intl
7h 42m
1 stop
BIL9:22 pmBillings Logan Intl
$329
Find similar
United Airlines
May 7
BIL5:51 pmBillings Logan Intl
5h 06m
1 stop
ORD11:57 pmChicago O'Hare Intl
May 8
ORD2:18 pmChicago O'Hare Intl
7h 33m
1 stop
BIL8:51 pmBillings Logan Intl
$445
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 December 18, 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

Tue 1/13

6:22 am-5:26 pm

2 stops10h 04m

Chicago O'Hare Intl

Tue 1/20

12:30 pm-7:24 pm

1 stop7h 54m

$254

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 5/9

5:45 am-12:21 pm

1 stop5h 36m

Chicago O'Hare Intl

Wed 5/13

5:20 pm-10:37 pm

1 stop6h 17m

$304

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 12/31

5:50 pm-11:59 pm

1 stop5h 09m

Chicago O'Hare Intl

Sun 1/4

7:10 am-1:24 pm

1 stop7h 14m

$314

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 1/13

6:54 am-5:59 pm

1 stop10h 05m

Chicago O'Hare Intl

Tue 1/20

6:54 am-1:36 pm

1 stop7h 42m

$324

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 2/14

2:35 pm-9:29 pm

1 stop5h 54m

Chicago O'Hare Intl

Wed 2/18

2:40 pm-9:22 pm

1 stop7h 42m

$329

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 3/26

5:15 am-12:23 pm

1 stop6h 08m

Chicago O'Hare Intl

Mon 3/30

3:59 pm-8:20 pm

1 stop5h 21m

$334

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 2/6

3:35 pm-2:38 pm

2 stops22h 03m

Chicago O'Hare Intl

Tue 2/10

8:00 am-2:55 pm

1 stop7h 55m

$346

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Fri 2/6

3:35 pm-2:38 pm

2 stops22h 03m

Chicago O'Hare Intl

Tue 2/10

2:06 pm-2:55 pm

2 stops25h 49m

$353

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 3/26

5:15 am-12:23 pm

1 stop6h 08m

Chicago O'Hare Intl

Mon 3/30

3:59 pm-8:20 pm

1 stop5h 21m

$355

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 5/9

6:15 am-4:36 pm

2 stops9h 21m

Chicago O'Hare Intl

Wed 5/13

5:20 pm-10:37 pm

1 stop6h 17m

$364

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 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 $419. 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 $579.

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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $477 when looking at flights departing in the morning. 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?

No. A direct flight is the cheapest option for a flight between Billings to Chicago O'Hare Intl Airport.

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

$700

Fastest flight time

3h 00m

Direct flights

Mon, Tue, Wed and Sun
The best flight deal from Billings to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $700
The fastest flight from Billings to Chicago O'Hare Intl Airport takes 3h 00m
Direct flights go from Billings to Chicago O'Hare Intl Airport on Monday, Tuesday, Wednesday 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 3h 00m, 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
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,005 reviews
Search Delta flights

Traveling to a place near Chicago?

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