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Cheap flights from Chicago O'Hare Intl Airport to Billings from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Billings departing on 4/4. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Billings

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 1:23 pm
ORD
-
BIL
7h 23m
1 stop
United Airlines Logo
5:51 pm - 12:58 am
BIL
-
ORD
6h 07m
1 stop
$249United Airlines
Sat, May 2 - Sat, May 9
United Airlines Logo
7:00 am - 1:23 pm
ORD
-
BIL
7h 23m
1 stop
United Airlines Logo
2:35 pm - 9:20 pm
BIL
-
ORD
5h 45m
1 stop
$269United Airlines
Sun, Apr 5 - Wed, Apr 15
United Airlines Logo
5:00 am - 9:34 am
ORD
-
BIL
5h 34m
1 stop
United Airlines Logo
6:00 pm - 12:44 am
BIL
-
ORD
5h 44m
1 stop
$273United Airlines
Tue, Jul 28 - Mon, Aug 3
Delta Logo
5:41 pm - 11:06 pm
ORD
-
BIL
6h 25m
1 stop
Delta Logo
6:15 am - 11:29 am
BIL
-
ORD
4h 14m
1 stop
$274Delta
Sat, Jun 6 - Sun, Jun 14
Delta Logo
5:20 pm - 10:37 pm
ORD
-
BIL
6h 17m
1 stop
Delta Logo
5:45 am - 2:58 pm
BIL
-
ORD
8h 13m
2 stops
$279Delta
Mon, Aug 17 - Sat, Aug 22
Multiple Airlines Logo
5:15 am - 9:14 am
ORD
-
BIL
28h 59m
2 stops
Multiple Airlines Logo
10:34 am - 6:47 am
BIL
-
ORD
19h 13m
1 stop
$284Multiple Airlines
Thu, Apr 30 - Mon, May 4
United Airlines Logo
2:33 pm - 9:00 pm
ORD
-
BIL
7h 27m
1 stop
United Airlines Logo
11:43 am - 3:48 pm
BIL
-
ORD
3h 05mnonstop
$294United Airlines
Sat, Aug 15 - Mon, Aug 17
Multiple Airlines Logo
5:20 am - 9:14 am
ORD
-
BIL
28h 54m
2 stops
Multiple Airlines Logo
10:34 am - 6:47 am
BIL
-
ORD
19h 13m
1 stop
$297Multiple Airlines
Thu, Apr 30 - Mon, May 4
United Airlines Logo
7:05 am - 1:22 pm
ORD
-
BIL
7h 17m
1 stop
United Airlines Logo
4:10 pm - 12:44 am
BIL
-
ORD
7h 34m
1 stop
$298United Airlines
Wed, Jun 3 - Sun, Jun 7
American Airlines Logo
8:46 pm - 10:59 pm
ORD
-
BIL
3h 13mnonstop
American Airlines Logo
6:00 am - 9:51 am
BIL
-
ORD
2h 51mnonstop
$299American Airlines
Thu, Aug 13 - Sat, Aug 22

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Billings flight tickets
United Airlines
May 2
ORD7:00 amChicago O'Hare Intl
7h 23m
1 stop
BIL1:23 pmBillings Logan Intl
May 9
BIL5:51 pmBillings Logan Intl
6h 07m
1 stop
ORD12:58 amChicago O'Hare Intl
$249
United Airlines
Apr 5
ORD7:00 amChicago O'Hare Intl
7h 23m
1 stop
BIL1:23 pmBillings Logan Intl
Apr 15
BIL2:35 pmBillings Logan Intl
5h 45m
1 stop
ORD9:20 pmChicago O'Hare Intl
$269
United Airlines
Jul 28
ORD5:00 amChicago O'Hare Intl
5h 34m
1 stop
BIL9:34 amBillings Logan Intl
Aug 3
BIL6:00 pmBillings Logan Intl
5h 44m
1 stop
ORD12:44 amChicago O'Hare Intl
$273

Delta flights from Chicago O'Hare Intl Airport to Billings

Our best Delta deals on Chicago O'Hare Intl Airport to Billings flight tickets
Delta
Jun 6
ORD5:41 pmChicago O'Hare Intl
6h 25m
1 stop
BIL11:06 pmBillings Logan Intl
Jun 14
BIL6:15 amBillings Logan Intl
4h 14m
1 stop
ORD11:29 amChicago O'Hare Intl
$274
Delta
Aug 17
ORD5:20 pmChicago O'Hare Intl
6h 17m
1 stop
BIL10:37 pmBillings Logan Intl
Aug 22
BIL5:45 amBillings Logan Intl
8h 13m
2 stops
ORD2:58 pmChicago O'Hare Intl
$279
Delta
Jun 6
ORD5:41 pmChicago O'Hare Intl
6h 25m
1 stop
BIL11:06 pmBillings Logan Intl
Jun 14
BIL6:15 amBillings Logan Intl
4h 14m
1 stop
ORD11:29 amChicago O'Hare Intl
$304

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Billings 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 March 3, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 5/2

7:00 am-1:23 pm

1 stop7h 23m

Billings Logan Intl

Sat 5/9

5:51 pm-12:58 am

1 stop6h 07m

$249

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sun 4/5

7:00 am-1:23 pm

1 stop7h 23m

Billings Logan Intl

Wed 4/15

2:35 pm-9:20 pm

1 stop5h 45m

$269

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 7/28

5:00 am-9:34 am

1 stop5h 34m

Billings Logan Intl

Mon 8/3

6:00 pm-12:44 am

1 stop5h 44m

$273

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 6/6

5:41 pm-11:06 pm

1 stop6h 25m

Billings Logan Intl

Sun 6/14

6:15 am-11:29 am

1 stop4h 14m

$274

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Mon 8/17

5:20 pm-10:37 pm

1 stop6h 17m

Billings Logan Intl

Sat 8/22

5:45 am-2:58 pm

2 stops8h 13m

$279

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 4/30

5:15 am-9:14 am

2 stops28h 59m

Billings Logan Intl

Mon 5/4

10:34 am-6:47 am

1 stop19h 13m

$284

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 8/15

2:33 pm-9:00 pm

1 stop7h 27m

Billings Logan Intl

Mon 8/17

11:43 am-3:48 pm

Nonstop3h 05m

$294

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 4/30

5:20 am-9:14 am

2 stops28h 54m

Billings Logan Intl

Mon 5/4

10:34 am-6:47 am

1 stop19h 13m

$297

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 6/3

7:05 am-1:22 pm

1 stop7h 17m

Billings Logan Intl

Sun 6/7

4:10 pm-12:44 am

1 stop7h 34m

$298

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 8/13

8:46 pm-10:59 pm

Nonstop3h 13m

Billings Logan Intl

Sat 8/22

6:00 am-9:51 am

Nonstop2h 51m

$299

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 Billings from

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

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 Chicago O'Hare Intl Airport and Billings?

What is the cheapest day to depart on your flight to Billings?

Our data shows that Monday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $294. Flights from Chicago O'Hare Intl Airport to Billings on a Sunday will generally be more expensive and average around $511. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Billings?

According to our data, the cheapest time of day to fly to Billings is in the evening. momondo users have found flights departing from Chicago O'Hare Intl Airport to Billings in the evening for as low as $304. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Billings, so prices are often more expensive at around $399 per ticket.

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

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

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Billings Logan 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 Chicago O'Hare Intl Airport to Billings flights?

You could potentially save up to 20% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Billings flight.

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

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

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

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

Best Price Found

$275

Fastest flight time

3h 22m

Direct flights

Every day

Airports in Billings

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Billings found on momondo in the last 72 hours is $275
The fastest flight from Chicago O'Hare Intl Airport to Billings takes 3h 22m
Direct flights go from Chicago O'Hare Intl Airport to Billings every day.
There is 1 airport in Billings. From Chicago O'Hare Intl Airport there are direct flights to Billings Logan Intl (BIL).
Search flight deals

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

    The distance between Chicago O'Hare Intl and Billings Logan Intl is about 1054.8 mi. A reasonable flight in good conditions will take 3h 22m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Billings Logan Intl Airport.

  • What documentation or ID do you need to fly to Billings Logan Intl Airport?

    The required travel and health documents for your Billings Logan 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 Billings Logan 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 Chicago O'Hare Intl Airport to Billings?

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Billings with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $210Free CancellationRating
7.1
11,375 reviews
Search American Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,377 reviews
Search United Airlines flights

Traveling to a place near Billings?

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Why use momondo?

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

Finding the right flight to Billings from Chicago 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 Billings quick and easy, saving you time and money.

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

All flight searches from Chicago to Billings on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Billings.

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

If you are simply researching potential flights to Billings, momondo offers a useful price alert feature which will track prices for flights to Billings from Chicago and alert you when they change.

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