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Cheap flights from Chicago O'Hare Intl Airport to Billings from $150

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 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:52 pm - 10:13 pm
ORD
-
BIL
3h 21mnonstop
United Airlines Logo
8:45 am - 12:45 pm
BIL
-
ORD
3h 00mnonstop
$263United Airlines
Thu, May 28 - Sun, May 31
United Airlines Logo
7:10 am - 1:23 pm
ORD
-
BIL
7h 13m
1 stop
United Airlines Logo
5:53 pm - 11:59 pm
BIL
-
ORD
5h 06m
1 stop
$268United Airlines
Thu, Feb 19 - Thu, Feb 26
Delta Logo
11:18 am - 10:26 pm
ORD
-
BIL
12h 08m
2 stops
Delta Logo
5:10 am - 12:19 pm
BIL
-
ORD
6h 09m
1 stop
$279Delta
Thu, Feb 19 - Wed, Feb 25
Delta Logo
11:18 am - 10:26 pm
ORD
-
BIL
12h 08m
2 stops
Delta Logo
6:20 am - 4:41 pm
BIL
-
ORD
9h 21m
2 stops
$285Delta
Thu, Feb 19 - Wed, Feb 25
Delta Logo
2:05 pm - 10:26 pm
ORD
-
BIL
9h 21m
2 stops
Delta Logo
5:10 am - 12:19 pm
BIL
-
ORD
6h 09m
1 stop
$296Delta
Tue, Feb 24 - Fri, Feb 27
Delta Logo
2:05 pm - 10:26 pm
ORD
-
BIL
9h 21m
2 stops
Delta Logo
6:20 am - 6:59 pm
BIL
-
ORD
11h 39m
2 stops
$302Delta
Tue, Feb 24 - Fri, Feb 27
Delta Logo
3:50 pm - 10:37 pm
ORD
-
BIL
7h 47m
1 stop
Delta Logo
5:45 am - 12:21 pm
BIL
-
ORD
5h 36m
1 stop
$304Delta
Thu, May 28 - Sun, May 31
United Airlines Logo
7:52 pm - 10:13 pm
ORD
-
BIL
3h 21mnonstop
United Airlines Logo
5:55 pm - 12:44 am
BIL
-
ORD
5h 49m
1 stop
$306United Airlines
Thu, May 28 - Sun, May 31
Delta Logo
11:18 am - 10:26 pm
ORD
-
BIL
12h 08m
2 stops
Delta Logo
5:10 am - 12:19 pm
BIL
-
ORD
6h 09m
1 stop
$309Delta
Thu, Feb 19 - Tue, Feb 24
United Airlines Logo
5:15 am - 9:51 am
ORD
-
BIL
5h 36m
1 stop
United Airlines Logo
12:30 pm - 4:30 pm
BIL
-
ORD
3h 00mnonstop
$314United Airlines
Wed, Jul 22 - Mon, Jul 27

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 28
ORD7:52 pmChicago O'Hare Intl
3h 21m
BIL10:13 pmBillings Logan Intl
May 31
BIL8:45 amBillings Logan Intl
3h 00m
ORD12:45 pmChicago O'Hare Intl
$263
United Airlines
Feb 19
ORD7:10 amChicago O'Hare Intl
7h 13m
1 stop
BIL1:23 pmBillings Logan Intl
Feb 26
BIL5:53 pmBillings Logan Intl
5h 06m
1 stop
ORD11:59 pmChicago O'Hare Intl
$268
United Airlines
May 28
ORD7:52 pmChicago O'Hare Intl
3h 21m
BIL10:13 pmBillings Logan Intl
May 31
BIL5:55 pmBillings Logan Intl
5h 49m
1 stop
ORD12:44 amChicago O'Hare Intl
$306

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

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Billings flight tickets
Alaska Airlines
Mar 4
ORD5:29 pmChicago O'Hare Intl
20h 55m
2 stops
BIL1:24 pmBillings Logan Intl
Mar 6
BIL3:32 pmBillings Logan Intl
20h 39m
1 stop
ORD1:11 pmChicago O'Hare Intl
$316
Alaska Airlines
Apr 2
ORD6:00 amChicago O'Hare Intl
18h 58m
1 stop
BIL11:58 pmBillings Logan Intl
Apr 6
BIL12:34 pmBillings Logan Intl
23h 39m
1 stop
ORD1:13 pmChicago O'Hare Intl
$319
Alaska Airlines
Mar 4
ORD2:07 pmChicago O'Hare Intl
24h 17m
1 stop
BIL1:24 pmBillings Logan Intl
Mar 6
BIL2:04 pmBillings Logan Intl
8h 52m
1 stop
ORD11:56 pmChicago O'Hare Intl
$361

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 January 29, 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

Thu 5/28

7:52 pm-10:13 pm

Nonstop3h 21m

Billings Logan Intl

Sun 5/31

8:45 am-12:45 pm

Nonstop3h 00m

$263

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 2/19

7:10 am-1:23 pm

1 stop7h 13m

Billings Logan Intl

Thu 2/26

5:53 pm-11:59 pm

1 stop5h 06m

$268

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 2/19

11:18 am-10:26 pm

2 stops12h 08m

Billings Logan Intl

Wed 2/25

5:10 am-12:19 pm

1 stop6h 09m

$279

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 2/19

11:18 am-10:26 pm

2 stops12h 08m

Billings Logan Intl

Wed 2/25

6:20 am-4:41 pm

2 stops9h 21m

$285

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 2/24

2:05 pm-10:26 pm

2 stops9h 21m

Billings Logan Intl

Fri 2/27

5:10 am-12:19 pm

1 stop6h 09m

$296

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 2/24

2:05 pm-10:26 pm

2 stops9h 21m

Billings Logan Intl

Fri 2/27

6:20 am-6:59 pm

2 stops11h 39m

$302

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 5/28

3:50 pm-10:37 pm

1 stop7h 47m

Billings Logan Intl

Sun 5/31

5:45 am-12:21 pm

1 stop5h 36m

$304

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 5/28

7:52 pm-10:13 pm

Nonstop3h 21m

Billings Logan Intl

Sun 5/31

5:55 pm-12:44 am

1 stop5h 49m

$306

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 2/19

11:18 am-10:26 pm

2 stops12h 08m

Billings Logan Intl

Tue 2/24

5:10 am-12:19 pm

1 stop6h 09m

$309

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 7/22

5:15 am-9:51 am

1 stop5h 36m

Billings Logan Intl

Mon 7/27

12:30 pm-4:30 pm

Nonstop3h 00m

$314

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 $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 $412 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

Best Price Found

$379

Fastest flight time

3h 21m

Direct flights

Mon, Tue, Fri and Sun

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 $379
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, Friday 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
11,205 reviews
Search American Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
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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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