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Cheap flights from Billings to Chicago from $136

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 9/8. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Billings to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 pm - 12:44 am
BIL
-
ORD
5h 44m
1 stop
United Airlines Logo
5:00 am - 9:35 am
ORD
-
BIL
5h 35m
1 stop
$271United Airlines
Sat, Aug 1 - Sat, Aug 8
Delta Logo
5:20 am - 11:59 am
BIL
-
ORD
5h 39m
1 stop
Delta Logo
3:00 pm - 10:53 pm
ORD
-
BIL
8h 53m
2 stops
$276Delta
Wed, Aug 12 - Sat, Aug 15
United Airlines Logo
4:40 pm - 11:59 pm
BIL
-
ORD
6h 19m
1 stop
United Airlines Logo
8:40 am - 11:02 am
ORD
-
BIL
3h 22mnonstop
$292United Airlines
Thu, Aug 27 - Sat, Aug 29
United Airlines Logo
6:00 pm - 12:44 am
BIL
-
ORD
5h 44m
1 stop
United Airlines Logo
5:00 am - 9:35 am
ORD
-
BIL
5h 35m
1 stop
$297United Airlines
Tue, Jul 28 - Sat, Aug 1
Delta Logo
5:20 am - 11:59 am
BIL
-
ORD
5h 39m
1 stop
Delta Logo
5:57 pm - 11:30 pm
ORD
-
BIL
6h 33m
1 stop
$302Delta
Sat, Aug 8 - Mon, Aug 10
Delta Logo
5:20 am - 11:59 am
BIL
-
ORD
5h 39m
1 stop
Delta Logo
3:00 pm - 10:53 pm
ORD
-
BIL
8h 53m
2 stops
$307Delta
Mon, Aug 10 - Sat, Aug 15
American Airlines Logo
12:22 pm - 4:23 pm
BIL
-
ORD
3h 01mnonstop
American Airlines Logo
9:40 am - 11:50 am
ORD
-
BIL
3h 10mnonstop
$313American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
12:22 pm - 4:23 pm
BIL
-
ORD
3h 01mnonstop
American Airlines Logo
9:40 am - 11:50 am
ORD
-
BIL
3h 10mnonstop
$330American Airlines
Thu, Aug 27 - Sat, Aug 29
Delta Logo
5:20 am - 11:59 am
BIL
-
ORD
5h 39m
1 stop
Delta Logo
5:57 pm - 11:30 pm
ORD
-
BIL
6h 33m
1 stop
$333Delta
Mon, Aug 10 - Mon, Aug 17
United Airlines Logo
6:00 pm - 12:44 am
BIL
-
ORD
5h 44m
1 stop
United Airlines Logo
5:00 am - 9:35 am
ORD
-
BIL
5h 35m
1 stop
$334United Airlines
Sat, Jul 11 - Sat, Jul 18

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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 1
BIL6:00 pmBillings Logan Intl
5h 44m
1 stop
ORD12:44 amChicago O'Hare Intl
Aug 8
ORD5:00 amChicago O'Hare Intl
5h 35m
1 stop
BIL9:35 amBillings Logan Intl
$271
United Airlines
Aug 27
BIL4:40 pmBillings Logan Intl
6h 19m
1 stop
ORD11:59 pmChicago O'Hare Intl
Aug 29
ORD8:40 amChicago O'Hare Intl
3h 22m
BIL11:02 amBillings Logan Intl
$292
United Airlines
Jul 28
BIL6:00 pmBillings Logan Intl
5h 44m
1 stop
ORD12:44 amChicago O'Hare Intl
Aug 1
ORD5:00 amChicago O'Hare Intl
5h 35m
1 stop
BIL9:35 amBillings Logan Intl
$297

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
Aug 12
BIL5:20 amBillings Logan Intl
5h 39m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 15
ORD3:00 pmChicago O'Hare Intl
8h 53m
2 stops
BIL10:53 pmBillings Logan Intl
$276
Delta
Aug 8
BIL5:20 amBillings Logan Intl
5h 39m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 10
ORD5:57 pmChicago O'Hare Intl
6h 33m
1 stop
BIL11:30 pmBillings Logan Intl
$302
Delta
Aug 10
BIL5:20 amBillings Logan Intl
5h 39m
1 stop
ORD11:59 amChicago O'Hare Intl
Aug 15
ORD3:00 pmChicago O'Hare Intl
8h 53m
2 stops
BIL10:53 pmBillings Logan Intl
$307

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 June 19, 2026.
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

Cheapest round-trip

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 8/1

6:00 pm-12:44 am

1 stop5h 44m

Chicago O'Hare Intl

Sat 8/8

5:00 am-9:35 am

1 stop5h 35m

$271

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Wed 8/12

5:20 am-11:59 am

1 stop5h 39m

Chicago O'Hare Intl

Sat 8/15

3:00 pm-10:53 pm

2 stops8h 53m

$276

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/27

4:40 pm-11:59 pm

1 stop6h 19m

Chicago O'Hare Intl

Sat 8/29

8:40 am-11:02 am

Nonstop3h 22m

$292

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 7/28

6:00 pm-12:44 am

1 stop5h 44m

Chicago O'Hare Intl

Sat 8/1

5:00 am-9:35 am

1 stop5h 35m

$297

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 8/8

5:20 am-11:59 am

1 stop5h 39m

Chicago O'Hare Intl

Mon 8/10

5:57 pm-11:30 pm

1 stop6h 33m

$302

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 8/10

5:20 am-11:59 am

1 stop5h 39m

Chicago O'Hare Intl

Sat 8/15

3:00 pm-10:53 pm

2 stops8h 53m

$307
Quickest round-trip

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/27

12:22 pm-4:23 pm

Nonstop3h 01m

Chicago O'Hare Intl

Mon 8/31

9:40 am-11:50 am

Nonstop3h 10m

$313

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 8/27

12:22 pm-4:23 pm

Nonstop3h 01m

Chicago O'Hare Intl

Sat 8/29

9:40 am-11:50 am

Nonstop3h 10m

$330

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Mon 8/10

5:20 am-11:59 am

1 stop5h 39m

Chicago O'Hare Intl

Mon 8/17

5:57 pm-11:30 pm

1 stop6h 33m

$333

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 7/11

6:00 pm-12:44 am

1 stop5h 44m

Chicago O'Hare Intl

Sat 7/18

5:00 am-9:35 am

1 stop5h 35m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Billings and Chicago O'Hare Intl Airport?

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

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Billings averaging around $299.

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 $414. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $661.

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 $490 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $505. 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 to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on Billings to Chicago O'Hare Intl Airport 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 24% 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

$348

Fastest flight time

3h 00m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Billings in the past 72 hours is $348. The best round-trip flight deal from Billings to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $452.
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 every day.
Search flight deals

Frequently asked questions about flying from Billings to Chicago O'Hare Intl Airport

  • 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
DeltaPriceFrom $210Free CancellationRating
7.8
8,417 reviews
Search Delta flights
American AirlinesPriceFrom $229Free CancellationRating
7.1
11,703 reviews
Search American Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,860 reviews
Search United Airlines flights

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

    Across 7 American Airlines flights from Billings to Chicago O'Hare Intl Airport this week, the average price was $394, with the best American Airlines deals starting from $229 round-trip. 11,703 users have rated American Airlines on momondo, with an average score of 7.1/10.

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
Rosemont
Naperville
Orland Park
Oak Brook
New Buffalo
Joliet
Kenosha
Aurora
Hammond
Racine
Janesville
Evanston
Elgin
South Holland

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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