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Cheap flights from Chicago to Billings from $128

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 to Billings departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

American Airlines Logo
9:40 am - 11:50 amORD-BIL
3h 10mnonstop
American Airlines Logo
2:00 pm - 10:20 pmBIL-ORD
7h 20m1 stop
$239American Airlines
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Tue, Oct 28 - Tue, Nov 4
American Airlines Logo
4:17 pm - 9:53 pmORD-BIL
6h 36m1 stop
American Airlines Logo
2:00 pm - 10:20 pmBIL-ORD
7h 20m1 stop
$248American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
3:55 pm - 10:49 pmORD-BIL
7h 54m1 stop
United Airlines Logo
5:00 am - 11:23 amBIL-ORD
5h 23m1 stop
$249United Airlines
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Sat, Nov 8 - Thu, Nov 13
Delta Logo
7:10 pm - 11:18 pmMDW-BIL
5h 08m1 stop
Delta Logo
6:25 am - 1:08 pmBIL-MDW
5h 43m1 stop
$249Delta
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Tue, Oct 28 - Tue, Nov 4
Delta Logo
1:25 pm - 10:25 pmORD-BIL
10h 00m2 stops
Delta Logo
6:25 am - 2:55 pmBIL-ORD
7h 30m1 stop
$254Delta
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Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
8:55 am - 11:16 amORD-BIL
3h 21mnonstop
United Airlines Logo
11:58 am - 3:58 pmBIL-ORD
3h 00mnonstop
$269United Airlines
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Mon, Oct 13 - Mon, Oct 20
Logo
9:54 pm - 11:21 amORD-BIL
38h 27m2 stops
Logo
10:02 am - 12:17 amBIL-ORD
13h 15m1 stop
$311
Find Deal
Mon, Oct 13 - Mon, Oct 20
Logo
8:49 pm - 7:50 pmORD-BIL
24h 01m2 stops
Logo
9:35 pm - 11:51 amBIL-ORD
13h 16m1 stop
$333
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Sun, Sep 28 - Thu, Oct 2
Alaska Airlines Logo
8:00 am - 3:00 pmORD-BIL
8h 00m1 stop
Alaska Airlines Logo
6:00 am - 11:59 pmBIL-ORD
16h 59m2 stops
$379Alaska Airlines
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Wed, Nov 12 - Sat, Nov 15
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
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Thu, Nov 13 - Tue, Nov 18

United Airlines flights from Chicago to Billings

Our best United Airlines deals on Chicago to Billings flight tickets
United Airlines
Nov 8
ORD3:55 pmChicago O'Hare Intl
7h 54m
1 stop
BIL10:49 pmBillings Logan Intl
Nov 13
BIL5:00 amBillings Logan Intl
5h 23m
1 stop
ORD11:23 amChicago O'Hare Intl
$249
Find similar
United Airlines
Oct 13
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
$269
Find similar
United Airlines
Oct 13
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
$270
Find similar

Delta flights from Chicago to Billings

Our best Delta deals on Chicago to Billings flight tickets
Delta
Oct 28
MDW7:10 pmChicago Midway
5h 08m
1 stop
BIL11:18 pmBillings Logan Intl
Nov 4
BIL6:25 amBillings Logan Intl
5h 43m
1 stop
MDW1:08 pmChicago Midway
$249
Find similar
Delta
Oct 28
ORD1:25 pmChicago O'Hare Intl
10h 00m
2 stops
BIL10:25 pmBillings Logan Intl
Nov 4
BIL6:25 amBillings Logan Intl
7h 30m
1 stop
ORD2:55 pmChicago O'Hare Intl
$254
Find similar
Delta
Nov 26
MDW7:02 pmChicago Midway
5h 17m
1 stop
BIL11:19 pmBillings Logan Intl
Dec 2
BIL6:24 amBillings Logan Intl
5h 44m
1 stop
MDW1:08 pmChicago Midway
$294
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 15, 2025.
Use the filters below to find and compare flights from Chicago to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 10/28

9:40 am-11:50 am

Nonstop3h 10m

Billings Logan Intl

Tue 11/4

2:00 pm-10:20 pm

1 stop7h 20m

$239

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 10/28

4:17 pm-9:53 pm

1 stop6h 36m

Billings Logan Intl

Tue 11/4

2:00 pm-10:20 pm

1 stop7h 20m

$248

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Sat 11/8

3:55 pm-10:49 pm

1 stop7h 54m

Billings Logan Intl

Thu 11/13

5:00 am-11:23 am

1 stop5h 23m

$249

ChicagoBillings

MDW - BIL

MDWBIL

Chicago Midway

Tue 10/28

7:10 pm-11:18 pm

1 stop5h 08m

Billings Logan Intl

Tue 11/4

6:25 am-1:08 pm

1 stop5h 43m

$249

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 10/28

1:25 pm-10:25 pm

2 stops10h 00m

Billings Logan Intl

Tue 11/4

6:25 am-2:55 pm

1 stop7h 30m

$254

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Mon 10/13

8:55 am-11:16 am

Nonstop3h 21m

Billings Logan Intl

Mon 10/20

11:58 am-3:58 pm

Nonstop3h 00m

$269

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

Sun 9/28

8:49 pm-7:50 pm

2 stops24h 01m

Billings Logan Intl

Thu 10/2

9:35 pm-11:51 am

1 stop13h 16m

$333

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 11/12

8:00 am-3:00 pm

1 stop8h 00m

Billings Logan Intl

Sat 11/15

6:00 am-11:59 pm

2 stops16h 59m

$379

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

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 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 and Billings?

What is the cheapest month to fly to Billings?

The month of August is, on average, the cheapest month to fly to Billings from Chicago, with most prices found around $290. The month of May is another great option to travel to Billings, with average flight prices from Chicago averaging around $359.

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 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 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 to Billings Logan Intl flight route?

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

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

There are 3 cabin classes available to choose from on Chicago 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 to Billings flights?

You could potentially save up to 29% on your flight if you consider stops on a Chicago to Billings flight.

When to book flights from Chicago to Billings

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

Cheap Chicago to Billings (CHI to BIL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Billings

Best Price Found

$340

Fastest flight time

3h 00m

Direct flights

Mon, Tue, Sat and Sun

Airports in Billings

1 airport
The best one-way flight to Billings from Chicago in the past 72 hours is $340. The best round-trip flight deal from Chicago to Billings found on momondo in the last 72 hours is $244.
The fastest flight from Chicago to Billings takes 3h 00m
Direct flights go from Chicago to Billings on Monday, Tuesday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport near Billings: Billings Logan Intl (BIL)
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  • How far is Chicago to Billings Logan Intl by plane?

    There are 1070.7 mi between Chicago and Billings Logan Intl. By plane, this route typically takes 3h 00m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Billings Logan Intl Airport.

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

    The necessary travel and health documents for your Billings Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Billings?

  • What is the most popular airline from Chicago to Billings?

Best airlines flying from Chicago to Billings

Compare and see reviews for airlines that fly from Chicago 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
7,954 reviews
Search Delta flights
United AirlinesPriceFrom $299Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago to Billings

    The lowest priced United Airlines flight from Chicago to Billings from the last 72 hours was $299. Generally, United Airlines has 7 flights on this route every week with an average price of $465. United Airlines is rated 7.4/10 by our users.

  • American Airlines Flights From Chicago to Billings

    Another popular option for Chicago to Billings flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Chicago to Billings around 14 times per week, with deals starting from $225 round-trip and rising to an average price of around $451.

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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Billings. momondo saves you time and could save you money on your trip.

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

Flights from Chicago to Billings with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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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