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Cheap flights from Chicago O'Hare Intl Airport to Billings from $127

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 12/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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

United Airlines Logo
8:55 am - 11:16 amORD-BIL
3h 21mnonstop
United Airlines Logo
11:58 am - 3:58 pmBIL-ORD
3h 00mnonstop
$229United Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
United Airlines Logo
8:55 am - 11:16 amORD-BIL
3h 21mnonstop
United Airlines Logo
5:54 pm - 11:59 pmBIL-ORD
5h 05m1 stop
$239United Airlines
Find Deal
Thu, Oct 9 - Wed, Oct 15
American Airlines Logo
7:25 am - 1:30 pmORD-BIL
7h 05m1 stop
American Airlines Logo
2:00 pm - 9:21 pmBIL-ORD
6h 21m1 stop
$295American Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
American Airlines Logo
1:23 pm - 9:15 pmORD-BIL
8h 52m1 stop
American Airlines Logo
2:00 pm - 10:20 pmBIL-ORD
7h 20m1 stop
$299American Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
Multiple Airlines Logo
9:54 pm - 11:21 amORD-BIL
38h 27m2 stops
Multiple Airlines Logo
10:02 am - 12:17 amBIL-ORD
13h 15m1 stop
$311Multiple Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
Delta Logo
1:25 pm - 11:05 pmORD-BIL
10h 40m2 stops
Delta Logo
5:25 am - 12:27 pmBIL-ORD
6h 02m1 stop
$315Delta
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Sat, Oct 18 - Tue, Oct 21
Delta Logo
8:57 am - 11:18 pmORD-BIL
15h 21m1 stop
Delta Logo
5:25 am - 12:24 pmBIL-ORD
5h 59m1 stop
$317Delta
Find Deal
Thu, Oct 16 - Tue, Oct 21
Multiple Airlines Logo
7:25 am - 9:24 amORD-BIL
26h 59m2 stops
Multiple Airlines Logo
10:02 am - 12:17 amBIL-ORD
13h 15m1 stop
$367Multiple Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Alaska Airlines Logo
7:00 am - 1:20 pmORD-BIL
7h 20m1 stop
Alaska Airlines Logo
3:40 pm - 4:30 pmBIL-ORD
23h 50m2 stops
$397Alaska Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
Alaska Airlines Logo
7:00 am - 6:35 pmORD-BIL
12h 35m2 stops
Alaska Airlines Logo
7:15 pm - 6:24 amBIL-ORD
10h 09m1 stop
$428Alaska Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 20

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
Nov 12
ORD7:25 amChicago O'Hare Intl
7h 05m
1 stop
BIL1:30 pmBillings Logan Intl
Nov 15
BIL2:00 pmBillings Logan Intl
6h 21m
1 stop
ORD9:21 pmChicago O'Hare Intl
$295
Find similar
American Airlines
Nov 13
ORD1:23 pmChicago O'Hare Intl
8h 52m
1 stop
BIL9:15 pmBillings Logan Intl
Nov 18
BIL2:00 pmBillings Logan Intl
7h 20m
1 stop
ORD10:20 pmChicago O'Hare Intl
$299
Find similar
American Airlines
Sep 24
ORD8:39 pmChicago O'Hare Intl
3h 00m
BIL10:39 pmBillings Logan Intl
Sep 30
BIL6:02 amBillings Logan Intl
2h 53m
ORD9:55 amChicago O'Hare Intl
$304
Find similar

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
Oct 17
ORD8:55 amChicago O'Hare Intl
3h 21m
BIL11:16 amBillings Logan Intl
Oct 20
BIL11:58 amBillings Logan Intl
3h 00m
ORD3:58 pmChicago O'Hare Intl
$229
Find similar
United Airlines
Oct 9
ORD8:55 amChicago O'Hare Intl
3h 21m
BIL11:16 amBillings Logan Intl
Oct 15
BIL5:54 pmBillings Logan Intl
5h 05m
1 stop
ORD11:59 pmChicago O'Hare Intl
$239
Find similar
United Airlines
Oct 9
ORD5:01 amChicago O'Hare Intl
5h 34m
1 stop
BIL9:35 amBillings Logan Intl
Oct 15
BIL5:54 pmBillings Logan Intl
5h 05m
1 stop
ORD11:59 pmChicago O'Hare Intl
$249
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 September 16, 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

Fri 10/17

8:55 am-11:16 am

Nonstop3h 21m

Billings Logan Intl

Mon 10/20

11:58 am-3:58 pm

Nonstop3h 00m

$229

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 10/9

8:55 am-11:16 am

Nonstop3h 21m

Billings Logan Intl

Wed 10/15

5:54 pm-11:59 pm

1 stop5h 05m

$239

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 11/12

7:25 am-1:30 pm

1 stop7h 05m

Billings Logan Intl

Sat 11/15

2:00 pm-9:21 pm

1 stop6h 21m

$295

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 11/13

1:23 pm-9:15 pm

1 stop8h 52m

Billings Logan Intl

Tue 11/18

2:00 pm-10:20 pm

1 stop7h 20m

$299

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Mon 10/13

9:54 pm-11:21 am

2 stops38h 27m

Billings Logan Intl

Mon 10/20

10:02 am-12:17 am

1 stop13h 15m

$311

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 10/18

1:25 pm-11:05 pm

2 stops10h 40m

Billings Logan Intl

Tue 10/21

5:25 am-12:27 pm

1 stop6h 02m

$315

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 10/16

8:57 am-11:18 pm

1 stop15h 21m

Billings Logan Intl

Tue 10/21

5:25 am-12:24 pm

1 stop5h 59m

$317

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 10/16

7:25 am-9:24 am

2 stops26h 59m

Billings Logan Intl

Mon 10/20

10:02 am-12:17 am

1 stop13h 15m

$367

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Thu 11/13

7:00 am-1:20 pm

1 stop7h 20m

Billings Logan Intl

Tue 11/18

3:40 pm-4:30 pm

2 stops23h 50m

$397

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 10/11

7:00 am-6:35 pm

2 stops12h 35m

Billings Logan Intl

Mon 10/20

7:15 pm-6:24 am

1 stop10h 09m

$428

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 Saturday will generally be more expensive and average around $535. 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?

You could potentially save up to 26% 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

$340

Fastest flight time

3h 00m

Direct flights

Tue, Fri, Sat and Sun

Airports in Billings

1 airport
The best one-way flight to Billings from Chicago O'Hare Intl Airport in the past 72 hours is $340. The best round-trip flight deal from Chicago O'Hare Intl Airport to Billings found on momondo in the last 72 hours is $244.
The fastest flight from Chicago O'Hare Intl Airport to Billings takes 3h 00m
Direct flights go from Chicago O'Hare Intl Airport to Billings on Tuesday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport near Billings: 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 00m.

  • 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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $299Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights

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

    United Airlines flies from Chicago O'Hare Intl Airport to Billings around 7 times per week, with 8,924 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago O'Hare Intl Airport to Billings in the last 72 hours was $299 (round-trip), much lower than the average airfare cost of $465 for United Airlines flights on this route.

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

    American Airlines (7.2/10 from 10,000 reviews) operates around 14 flights from Chicago O'Hare Intl Airport to Billings in any given week. The average American Airlines airfare for this route is around $451, with deals from around $225 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to Billings flight searches in the last 72 hours.

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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