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Cheap flights from Chicago O'Hare Intl Airport to Billings from $104

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 1/18. 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.
Delta Logo
12:30 pm - 7:24 pm
ORD
-
BIL
7h 54m1 stop
Delta Logo
6:00 am - 12:15 pm
BIL
-
ORD
5h 15m1 stop
$249Delta
Wed, Jan 21 - Sat, Jan 24
Delta Logo
12:30 pm - 7:24 pm
ORD
-
BIL
7h 54m1 stop
Delta Logo
11:47 am - 9:43 pm
BIL
-
ORD
8h 56m2 stops
$254Delta
Wed, Jan 21 - Sat, Jan 24
Delta Logo
10:35 am - 7:39 pm
ORD
-
BIL
10h 04m2 stops
Delta Logo
6:20 pm - 8:30 am
BIL
-
ORD
13h 10m2 stops
$259Delta
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
1:25 pm - 10:33 pm
ORD
-
BIL
10h 08m1 stop
American Airlines Logo
6:54 am - 5:59 pm
BIL
-
ORD
10h 05m1 stop
$274American Airlines
Fri, Jan 9 - Mon, Jan 12
Delta Logo
3:59 pm - 7:39 pm
ORD
-
BIL
4h 40m1 stop
Delta Logo
6:20 pm - 8:30 am
BIL
-
ORD
13h 10m2 stops
$279Delta
Fri, Mar 6 - Tue, Mar 10
Delta Logo
10:35 am - 7:39 pm
ORD
-
BIL
10h 04m2 stops
Delta Logo
6:20 pm - 10:05 am
BIL
-
ORD
14h 45m2 stops
$284Delta
Tue, Mar 3 - Mon, Mar 9
United Airlines Logo
7:00 am - 1:24 pm
ORD
-
BIL
7h 24m1 stop
United Airlines Logo
4:13 pm - 11:59 pm
BIL
-
ORD
6h 46m1 stop
$285United Airlines
Fri, Jan 23 - Sun, Jan 25
United Airlines Logo
2:36 pm - 9:23 pm
ORD
-
BIL
7h 47m1 stop
United Airlines Logo
4:13 pm - 11:59 pm
BIL
-
ORD
6h 46m1 stop
$291United Airlines
Mon, Jan 26 - Wed, Jan 28
Delta Logo
10:35 am - 7:39 pm
ORD
-
BIL
10h 04m2 stops
Delta Logo
6:20 am - 11:45 am
BIL
-
ORD
4h 25m1 stop
$296Delta
Tue, Mar 3 - Thu, Mar 5
Delta Logo
10:35 am - 7:24 pm
ORD
-
BIL
9h 49m2 stops
Delta Logo
6:10 am - 4:57 pm
BIL
-
ORD
9h 47m2 stops
$301Delta
Mon, Jan 26 - Wed, Jan 28

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
Apr 4
ORD5:00 pmChicago O'Hare Intl
6h 29m
1 stop
BIL10:29 pmBillings Logan Intl
Apr 8
BIL5:15 amBillings Logan Intl
6h 08m
1 stop
ORD12:23 pmChicago O'Hare Intl
$230
Find similar
Delta
Apr 4
ORD1:59 pmChicago O'Hare Intl
9h 30m
2 stops
BIL10:29 pmBillings Logan Intl
Apr 8
BIL5:15 amBillings Logan Intl
6h 08m
1 stop
ORD12:23 pmChicago O'Hare Intl
$235
Find similar
Delta
Jan 21
ORD12:30 pmChicago O'Hare Intl
7h 54m
1 stop
BIL7:24 pmBillings Logan Intl
Jan 24
BIL6:00 amBillings Logan Intl
5h 15m
1 stop
ORD12:15 pmChicago O'Hare Intl
$249
Find similar

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Billings flight tickets
American Airlines
Jan 9
ORD1:25 pmChicago O'Hare Intl
10h 08m
1 stop
BIL10:33 pmBillings Logan Intl
Jan 12
BIL6:54 amBillings Logan Intl
10h 05m
1 stop
ORD5:59 pmChicago O'Hare Intl
$274
Find similar
American Airlines
Jun 13
ORD9:40 amChicago O'Hare Intl
3h 06m
BIL11:46 amBillings Logan Intl
Jun 21
BIL12:23 pmBillings Logan Intl
2h 47m
ORD4:10 pmChicago O'Hare Intl
$399
Find similar
American Airlines
Dec 19
ORD1:06 pmChicago O'Hare Intl
9h 08m
2 stops
BIL9:14 pmBillings Logan Intl
Dec 20
BIL1:54 pmBillings Logan Intl
7h 26m
1 stop
ORD10:20 pmChicago O'Hare Intl
$1,000
Find similar

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 December 18, 2025.
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

Wed 1/21

12:30 pm-7:24 pm

1 stop7h 54m

Billings Logan Intl

Sat 1/24

6:00 am-12:15 pm

1 stop5h 15m

$249

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 1/21

12:30 pm-7:24 pm

1 stop7h 54m

Billings Logan Intl

Sat 1/24

11:47 am-9:43 pm

2 stops8h 56m

$254

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 3/3

10:35 am-7:39 pm

2 stops10h 04m

Billings Logan Intl

Tue 3/10

6:20 pm-8:30 am

2 stops13h 10m

$259

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Fri 1/9

1:25 pm-10:33 pm

1 stop10h 08m

Billings Logan Intl

Mon 1/12

6:54 am-5:59 pm

1 stop10h 05m

$274

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Fri 3/6

3:59 pm-7:39 pm

1 stop4h 40m

Billings Logan Intl

Tue 3/10

6:20 pm-8:30 am

2 stops13h 10m

$279

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 3/3

10:35 am-7:39 pm

2 stops10h 04m

Billings Logan Intl

Mon 3/9

6:20 pm-10:05 am

2 stops14h 45m

$284

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Fri 1/23

7:00 am-1:24 pm

1 stop7h 24m

Billings Logan Intl

Sun 1/25

4:13 pm-11:59 pm

1 stop6h 46m

$285

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Mon 1/26

2:36 pm-9:23 pm

1 stop7h 47m

Billings Logan Intl

Wed 1/28

4:13 pm-11:59 pm

1 stop6h 46m

$291

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 3/3

10:35 am-7:39 pm

2 stops10h 04m

Billings Logan Intl

Thu 3/5

6:20 am-11:45 am

1 stop4h 25m

$296

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Mon 1/26

10:35 am-7:24 pm

2 stops9h 49m

Billings Logan Intl

Wed 1/28

6:10 am-4:57 pm

2 stops9h 47m

$301

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 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 $497. 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. At noon is when there is more demand to fly to Billings, so prices are often more expensive at around $628 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?

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

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

Fastest flight time

3h 21m

Direct flights

Mon, Tue, Wed and Sun

Airports in Billings

1 airport
The fastest flight from Chicago O'Hare Intl Airport to Billings takes 3h 21m
Direct flights go from Chicago O'Hare Intl Airport to Billings on Monday, Tuesday, Wednesday and Sunday. There are no airlines offering direct flights.
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 21m.

  • 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 $225Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,091 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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