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Billings

$162+ Cheap flights from Illinois to Billings (BIL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BIL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Billings (BIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$325
(Delta)

One-way from

$162
(Alaska Airlines)

Good round-trip deal

$487 or less
From Illinois to Billings Logan Intl
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One-way flight from Illinois to Billings Logan Intl
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Price to beat on a round-trip flight from Illinois to Billings Logan Intl.
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Find flight deals from Illinois to Billings

Cheapest flights from Illinois to Billings
Explore the most affordable flight options available from Illinois to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/195:00 pmSTL - BIL
1 stop8h 31mDelta
Wed 2/265:20 amBIL - STL
1 stop7h 23mDelta
Deal found 1/20$325
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/116:59 pmMDW - BIL
1 stop5h 08mDelta
Tue 2/186:25 amBIL - MDW
1 stop5h 17mDelta
Deal found 1/20$325
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/128:27 amSTL - BIL
1 stop5h 56mUnited Airlines
Sun 2/162:46 pmBIL - STL
1 stop4h 58mUnited Airlines
Deal found 1/21$330
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:18 pmORD - BIL
1 stop6h 13mDelta
Mon 3/105:20 amBIL - ORD
1 stop6h 24mDelta
Deal found 1/21$337
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/113:03 pmORD - BIL
1 stop8h 41mAlaska Airlines
Tue 2/182:55 pmBIL - ORD
1 stop21h 09mAlaska Airlines
Deal found 1/20$368
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/311:16 pmORD - BIL
1 stop10h 19mAmerican Airlines
Mon 2/36:56 amBIL - ORD
1 stop7h 37mAmerican Airlines
Deal found 1/20$417
This United deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:00 amORD - BIL
1 stop5h 39mUnited Airlines
Fri 5/22:40 pmBIL - ORD
1 stop7h 27mUnited Airlines
Deal found 1/21$425
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/16:30 amMLI - BIL
2 stops7h 53mUnited Airlines
Sat 2/82:33 pmBIL - MLI
1 stop5h 09mUnited Airlines
Deal found 1/21$470
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:07 amSTL - BIL
1 stop6h 35mAmerican Airlines
Wed 8/136:15 amBIL - STL
1 stop7h 20mAmerican Airlines
Deal found 1/21$517
This Alaska Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/267:00 amSTL - BIL
2 stops32h 14mAlaska Airlines
Sun 3/22:55 pmBIL - STL
2 stops32h 04mAlaska Airlines
Deal found 1/21$565
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/144:45 pmORD - BIL
3 stops23h 08mMultiple Airlines
Sat 3/223:43 pmBIL - ORD
2 stops13h 53mMultiple Airlines
Deal found 1/20$606
This United deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/13:55 pmDBQ - BIL
2 stops30h 18mMultiple Airlines
Sat 2/82:33 pmBIL - DBQ
2 stops23h 52mMultiple Airlines
Deal found 1/21$645

Find flights from Illinois to Billings within your budget

Customize your flight search to find flights from Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBillings

MDW - BIL

MDWBIL

Chicago Midway

Tue 2/11

6:59 pm-11:07 pm

1 stop5h 08m

Billings Logan Intl

Tue 2/18

6:25 am-12:42 pm

1 stop5h 17m

$325

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 2/18

7:10 pm-11:07 pm

1 stop4h 57m

Billings Logan Intl

Tue 2/25

11:40 am-6:23 pm

1 stop5h 43m

$325

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Wed 2/12

8:27 am-1:23 pm

1 stop5h 56m

Billings Logan Intl

Sun 2/16

2:46 pm-8:44 pm

1 stop4h 58m

$330

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Mon 2/3

5:00 am-1:33 pm

1 stop9h 33m

Billings Logan Intl

Tue 2/11

5:00 am-2:14 pm

1 stop8h 14m

$331

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Wed 2/19

5:00 pm-12:31 am

1 stop8h 31m

Billings Logan Intl

Sun 2/23

5:20 am-1:18 pm

1 stop6h 58m

$335

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Tue 2/11

3:03 pm-10:44 pm

1 stop8h 41m

Billings Logan Intl

Tue 2/18

2:55 pm-1:04 pm

1 stop21h 09m

$368

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Mon 4/28

5:00 am-9:39 am

1 stop5h 39m

Billings Logan Intl

Fri 5/2

2:40 pm-11:07 pm

1 stop7h 27m

$425

MolineBillings

MLI - BIL

MLIBIL

Moline Quad-City

Sat 2/1

6:30 am-1:23 pm

2 stops7h 53m

Billings Logan Intl

Sat 2/8

2:33 pm-8:42 pm

1 stop5h 09m

$470

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Wed 2/26

7:00 am-2:14 pm

2 stops32h 14m

Billings Logan Intl

Sun 3/2

2:55 pm-11:59 pm

2 stops32h 04m

$565

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Fri 3/14

4:45 pm-2:53 pm

3 stops23h 08m

Billings Logan Intl

Sat 3/22

3:43 pm-6:36 am

2 stops13h 53m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 19 results
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Best time to book a flight from Illinois to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Billings

Get recent, data-driven insights about flights from Illinois to Billings including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Billings?

Currently, February is the cheapest month in which you can book a flight from Illinois to Billings (average of $396). Flying from Illinois to Billings in June is currently the most expensive (average of $630). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to BIL?

Find hourly flight availability from Illinois to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Illinois to Billings, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Billings by month

Plan your trip to Billings by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

Temperature in Billings by month

Plan your trip to Billings by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Billings, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billings. Reviews last updated January 21, 2025.
See what other customers who have flown with United Airlines, Delta and Alaska Airlines from Illinois to Billings have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,985 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Illinois to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Billings from Illinois?

    Located just 2.7 mi from the city center, Billings Logan Intl (BIL) is the airport most travelers will use when flying to Billings from Illinois.

  • What are the cheapest airlines to fly from Illinois to Billings one-way?

    One-way options have recently been found by users for as low as $162 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $163 and United Airlines from $203 one-way.

  • What are the most popular routes from Illinois to Billings?

    While some choose either Chicago Midway - Billings Logan Intl or Lambert-St Louis - Billings Logan Intl, Chicago O'Hare Intl - Billings Logan Intl is the most popular route from Illinois to Billings.

  • What are the cheapest flights from Illinois to Billings?

    While on average a flight from Illinois to Billings is generally $487, our data shows the cheapest flight currently is $487. When looking at the most popular route, (Chicago O'Hare Intl - Billings Logan Intl), you can expect to pay $325 for that flight.

  • Can I find deals for flights from Illinois to Billings that include hotel bookings?

    Yes. In addition to deals on Illinois to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Billings?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Billings.

  • Can I find deals for business class flights from Illinois to Billings?

    Yes. Cheapflights offers flight deals from Illinois to Billings by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Billings?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Billings (average of $396). Flying from Illinois to Billings in June is currently the most expensive (average of $630). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Illinois to Billings

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Billings

Discover the top 3 airlines that operate flights from Illinois to Billings. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$262Average$461FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$568FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$334Average$628FlexibilityNo cancel feeOn-time71%
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