What is the cheapest airline that flies from Billings Logan Intl to Illinois?

Delta, American Airlines, and Alaska Airlines are the most popular carriers operating from Billings Logan Intl to Illinois

How many flights depart from Billings to Illinois on average per day?

The number of flights available between Billings and Illinois is 4 per day as of August 2025. The most frequent departure time is 12:00PM, with 69% of daily flights leaving in the afternoon.

How many flights depart from Billings to Illinois on average per week?

As of August 2025, 28 flights take off from Billings and land in Illinois each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

What airlines fly to Illinois?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Billings according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Billings Logan Intl Airport to Illinois are updated daily.

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

As of August 2025, there are 3 operators available to choose from for flights from Billings Logan Intl Airport to Illinois.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billings Logan Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$144 Cheap Flights from Billings to Illinois in 2025

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Find the cheapest flights from Billings to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:19 pm - 4:13 pmBIL-ORD

2h 54mnonstop

9:40 am - 11:50 amORD-BIL

3h 10mnonstop

$229American Airlines

Find Deal

Thu, Oct 2 - Tue, Oct 7

5:53 pm - 11:59 pmBIL-ORD

5h 06m1 stop

8:55 am - 11:16 amORD-BIL

3h 21mnonstop

$239United Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

6:00 am - 9:53 amBIL-ORD

2h 53mnonstop

9:40 am - 11:50 amORD-BIL

3h 10mnonstop

$244American Airlines

Find Deal

Sat, Oct 4 - Sun, Oct 12

6:25 am - 1:03 pmBIL-MDW

5h 38m1 stop

7:15 pm - 11:10 pmMDW-BIL

4h 55m1 stop

$249Delta

Find Deal

Sat, Sep 27 - Mon, Sep 29

5:25 am - 4:38 pmBIL-ORD

10h 13m2 stops

3:58 pm - 7:44 pmORD-BIL

4h 46m1 stop

$249Delta

Find Deal

Sat, Sep 6 - Sat, Sep 13

5:57 pm - 11:59 pmBIL-ORD

5h 02m1 stop

8:55 am - 11:16 amORD-BIL

3h 21mnonstop

$254United Airlines

Find Deal

Sat, Sep 6 - Mon, Sep 22

12:00 pm - 4:00 pmBIL-ORD

3h 00mnonstop

8:55 am - 11:16 amORD-BIL

3h 21mnonstop

$259United Airlines

Find Deal

Thu, Sep 4 - Mon, Sep 8

6:00 am - 9:53 amBIL-ORD

2h 53mnonstop

8:39 pm - 10:39 pmORD-BIL

3h 00mnonstop

$260American Airlines

Find Deal

Thu, Sep 4 - Mon, Sep 8

2:35 pm - 9:32 pmBIL-ORD

5h 57m1 stop

5:00 am - 9:44 amORD-BIL

5h 44m1 stop

$264United Airlines

Find Deal

Sat, Sep 6 - Mon, Sep 22

6:25 am - 3:28 pmBIL-MDW

8h 03m2 stops

7:15 pm - 11:10 pmMDW-BIL

4h 55m1 stop

$269Delta

Find Deal

Sat, Sep 6 - Mon, Sep 22

Delta flights from Billings to Illinois

Our best Delta deals on Billings to Illinois flight tickets

Delta

Sep 6

BIL5:25 amBillings Logan Intl

10h 13m

2 stops

ORD4:38 pmChicago O'Hare Intl

Sep 13

ORD3:58 pmChicago O'Hare Intl

4h 46m

1 stop

BIL7:44 pmBillings Logan Intl

$249

Find similar

Delta

Sep 6

BIL6:25 amBillings Logan Intl

8h 03m

2 stops

MDW3:28 pmChicago Midway

Sep 22

MDW7:15 pmChicago Midway

4h 55m

1 stop

BIL11:10 pmBillings Logan Intl

$269

Find similar

Delta

Sep 6

BIL6:25 amBillings Logan Intl

5h 38m

1 stop

MDW1:03 pmChicago Midway

Sep 13

MDW1:43 pmChicago Midway

7h 01m

1 stop

BIL7:44 pmBillings Logan Intl

$289

Find similar

American Airlines flights from Billings to Illinois

Our best American Airlines deals on Billings to Illinois flight tickets

American Airlines

Oct 2

BIL12:19 pmBillings Logan Intl

2h 54m

ORD4:13 pmChicago O'Hare Intl

Oct 7

ORD9:40 amChicago O'Hare Intl

3h 10m

BIL11:50 amBillings Logan Intl

$229

Find similar

American Airlines

Oct 4

BIL6:00 amBillings Logan Intl

2h 53m

ORD9:53 amChicago O'Hare Intl

Oct 12

ORD9:40 amChicago O'Hare Intl

3h 10m

BIL11:50 amBillings Logan Intl

$244

Find similar

American Airlines

Sep 4

BIL6:00 amBillings Logan Intl

2h 53m

ORD9:53 amChicago O'Hare Intl

Sep 8

ORD8:39 pmChicago O'Hare Intl

3h 00m

BIL10:39 pmBillings Logan Intl

$260

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 10/2

12:19 pm-4:13 pm

Nonstop2h 54m

Chicago O'Hare Intl

Tue 10/7

9:40 am-11:50 am

Nonstop3h 10m

$229

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Tue 9/16

5:53 pm-11:59 pm

1 stop5h 06m

Chicago O'Hare Intl

Tue 9/23

8:55 am-11:16 am

Nonstop3h 21m

$239

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 10/4

6:00 am-9:53 am

Nonstop2h 53m

Chicago O'Hare Intl

Sun 10/12

9:40 am-11:50 am

Nonstop3h 10m

$244

BillingsChicago

BIL - MDW

BILMDW

Billings Logan Intl

Sat 9/27

6:25 am-1:03 pm

1 stop5h 38m

Chicago Midway

Mon 9/29

7:15 pm-11:10 pm

1 stop4h 55m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 9/6

5:25 am-4:38 pm

2 stops10h 13m

Chicago O'Hare Intl

Sat 9/13

3:58 pm-7:44 pm

1 stop4h 46m

$249

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 9/6

5:57 pm-11:59 pm

1 stop5h 02m

Chicago O'Hare Intl

Mon 9/22

8:55 am-11:16 am

Nonstop3h 21m

$254

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 9/4

12:00 pm-4:00 pm

Nonstop3h 00m

Chicago O'Hare Intl

Mon 9/8

8:55 am-11:16 am

Nonstop3h 21m

$259

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Thu 9/4

6:00 am-9:53 am

Nonstop2h 53m

Chicago O'Hare Intl

Mon 9/8

8:39 pm-10:39 pm

Nonstop3h 00m

$260

BillingsChicago

BIL - ORD

BILORD

Billings Logan Intl

Sat 9/6

2:35 pm-9:32 pm

1 stop5h 57m

Chicago O'Hare Intl

Mon 9/22

5:00 am-9:44 am

1 stop5h 44m

$264

BillingsChicago

BIL - MDW

BILMDW

Billings Logan Intl

Sat 9/6

6:25 am-3:28 pm

2 stops8h 03m

Chicago Midway

Mon 9/22

7:15 pm-11:10 pm

1 stop4h 55m

$269

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Billings to Illinois

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

Prices

Airlines

Other information

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

The cheapest day to depart from Billings to Illinois is on a Wednesday when prices can be found for as low as $431. Flights from Billings to Illinois on a Sunday will generally be more expensive and average around $572. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Billings to Illinois during this time can be as low as $474. Flights in the afternoon are often more expensive with an average ticket price of $570.

What is the cheapest Billings Logan Intl to Illinois flight route?

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

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

There are 4 cabin classes available to choose from on Billings Logan Intl to Illinois 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 Billings to Illinois flights?

You could potentially save up to 9% on your flight if you consider stops on a Billings to Illinois flight.

Cheap Billings to Illinois flight deals and tips

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

Best Price Found	$212
Fastest flight time	2h 50m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Billings in the past 72 hours is $212. The best round-trip flight deal from Billings to Illinois found on momondo in the last 72 hours is $330.

The fastest flight from Billings to Illinois takes 2h 50m

Direct flights go from Billings to Illinois every day.

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

Search flight deals

When did momondo last update prices for flights from Billings Logan Intl Airport to Illinois?
Prices for flights from Billings Logan Intl Airport to Illinois are updated daily.
How many operators does momondo search for flights from Billings Logan Intl Airport to Illinois?
As of August 2025, there are 3 operators available to choose from for flights from Billings Logan Intl Airport to Illinois.
How old do you have to be to fly from Billings Logan Intl Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billings Logan Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Billings to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Billings to Illinois is Embraer 175 (33.55% of total bookings). The next most popular plane models are Embraer 170 (33.55%) and Embraer 175 (Enhanced Winglets) (32.90%).

Best airlines flying from Billings to Illinois

Compare and see reviews for airlines that fly from Billings to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $225	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Delta	PriceFrom $314	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Billings to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Billings to Illinois 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 Billings to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Billings. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Illinois from Billings are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Illinois

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Cheap flights from Billings to Illinois from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Illinois departing on 9/19. 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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Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

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Cheap round-trip flights

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Delta flights from Billings to Illinois

Our best Delta deals on Billings to Illinois flight tickets

American Airlines flights from Billings to Illinois

Our best American Airlines deals on Billings to Illinois flight tickets

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How to get the cheapest flight ticket from Billings to Illinois

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 Illinois?

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Billings to Illinois during this time can be as low as $474. Flights in the afternoon are often more expensive with an average ticket price of $570.

What is the cheapest Billings Logan Intl to Illinois flight route?

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

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

There are 4 cabin classes available to choose from on Billings Logan Intl to Illinois 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 Billings to Illinois flights?

You could potentially save up to 9% on your flight if you consider stops on a Billings to Illinois flight.

What is the cheapest airline that flies from Billings Logan Intl to Illinois?

Delta, American Airlines, and Alaska Airlines are the most popular carriers operating from Billings Logan Intl to Illinois

What airlines fly to Illinois?

How many flights depart from Billings to Illinois on average per day?

The number of flights available between Billings and Illinois is 4 per day as of August 2025. The most frequent departure time is 12:00PM, with 69% of daily flights leaving in the afternoon.

How many flights depart from Billings to Illinois on average per week?

As of August 2025, 28 flights take off from Billings and land in Illinois each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

Cheap Billings to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

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

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

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

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Billings to Illinois?

Best airlines flying from Billings to Illinois

Compare and see reviews for airlines that fly from Billings to Illinois with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo