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Cheap flights from Billings (BIL) to Illinois from $182

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BIL — ORD
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
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How far in advance should I book a flight from Billings to Illinois?

Users have found that booking a flight from Billings to Illinois at least 32 days early can save you up to 283% on average compared to booking a flight this week. If booking 32 days before your flight isn’t an option for you, users have found flights from Billings to Illinois for as little as $566 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $784 for flights departing within the next 3 days.

What is the cheapest month to fly from Billings to Illinois?

The best pricing can be found in the month of January. Prices to Illinois from Billings average $576. You can even find prices in January for less than $576, as users have found deals to Illinois from as low as $336. The month of October appears to be one of the more expensive times to travel to Illinois from Billings. Flying in the targeted month can save you up to 52%.

When is the cheapest time to fly from Billings to Illinois (BIL - IL)?

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

Cheap United Airlines flights from Billings to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Billings and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Consider these cheap United Airlines flights we've found departing from Billings to Illinois. It's recommended that users confirm their flight details before booking.
Sat 8/242:40 pmBIL - MLI
1 stop5h 31mUnited Airlines
Wed 8/288:55 amMLI - BIL
1 stop5h 29mUnited Airlines
Deal found 4/23$423
Sat 8/242:40 pmBIL - MLI
1 stop5h 31mUnited Airlines
Wed 8/2811:00 amMLI - BIL
2 stops11h 19mUnited Airlines
Deal found 4/23$428
Sat 8/242:40 pmBIL - STL
1 stop5h 48mUnited Airlines
Tue 8/2711:10 amSTL - BIL
2 stops12h 29mUnited Airlines
Deal found 4/24$432
Sat 8/2410:30 amBIL - MLI
2 stops9h 43mUnited Airlines
Wed 8/2811:00 amMLI - BIL
2 stops11h 19mUnited Airlines
Deal found 4/23$433
Sun 5/266:45 amBIL - ORD
2 stops11h 10mUnited Airlines
Tue 6/45:04 amORD - BIL
1 stop18h 43mUnited Airlines
Deal found 4/24$467
Sat 8/2410:30 amBIL - MLI
2 stops9h 43mUnited Airlines
Wed 8/2811:00 amMLI - BIL
2 stops11h 19mUnited Airlines
Deal found 4/24$478
Sun 5/266:45 amBIL - ORD
2 stops11h 10mUnited Airlines
Sat 6/17:10 amORD - BIL
1 stop14h 54mUnited Airlines
Deal found 4/24$480
Sat 8/248:15 amBIL - MLI
1 stop11h 56mUnited Airlines
Wed 8/288:55 amMLI - BIL
1 stop5h 29mUnited Airlines
Deal found 4/24$482
Sat 9/282:40 pmBIL - ORD
1 stop8h 17mUnited Airlines
Mon 9/307:16 amORD - BIL
2 stops14h 33mUnited Airlines
Deal found 4/23$483

Cheap Delta flights from Billings to Illinois

Explore cheap flight options specifically provided by Delta for the route between Billings and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Take a gander at the lowest prices we've found on Delta flights from Billings to Illinois. Check back soon if you're not seeing flights that suit your needs.
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/186:20 pmSTL - BIL
1 stop6h 57mDelta
Deal found 4/24$258
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/185:53 pmSTL - BIL
2 stops7h 24mDelta
Deal found 4/24$263
Sat 8/245:45 amBIL - STL
1 stop6h 40mDelta
Tue 8/276:30 amSTL - BIL
1 stop7h 32mDelta
Deal found 4/24$308
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368
Fri 5/246:35 pmBIL - STL
1 stop5h 11mDelta
Tue 5/285:30 pmSTL - BIL
1 stop7h 54mDelta
Deal found 4/23$413
Sat 8/246:25 amBIL - STL
1 stop7h 04mDelta
Tue 8/276:30 amSTL - BIL
2 stops17h 45mDelta
Deal found 4/23$426
Sun 5/266:27 amBIL - MDW
1 stop9h 28mDelta
Tue 6/42:15 pmMDW - BIL
1 stop9h 40mDelta
Deal found 4/24$441
Sat 5/256:27 amBIL - ORD
1 stop26h 59mDelta
Mon 6/39:36 amORD - BIL
2 stops15h 48mDelta
Deal found 4/24$456
Sat 9/286:25 amBIL - MDW
1 stop10h 40mDelta
Mon 9/302:00 pmMDW - BIL
1 stop9h 38mDelta
Deal found 4/23$494

Cheap Billings to Illinois flights in April & May 2024

Find cheap flight options from Billings to Illinois specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Prices were last updated on April 25, 2024.
The lowest fares we've come across on flights traveling from Billings to Illinois in April and May 2024. More deals are always being added, so be sure to check back regularly.
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368
Wed 5/226:40 amBIL - ORD
1 stop9h 14mAlaska Airlines
Wed 5/298:40 amORD - BIL
1 stop15h 28mAlaska Airlines
Deal found 4/24$369
Thu 4/256:28 amBIL - STL
1 stop6h 47mDelta
Mon 4/296:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$388
Tue 5/286:52 pmBIL - ORD
1 stop9h 48mAlaska Airlines
Wed 5/298:40 amORD - BIL
1 stop15h 28mAlaska Airlines
Deal found 4/24$389
Thu 4/256:28 amBIL - STL
1 stop6h 47mDelta
Mon 4/292:27 pmSTL - BIL
2 stops11h 10mDelta
Deal found 4/24$393
Sat 5/256:52 pmBIL - ORD
1 stop9h 03mAlaska Airlines
Sat 6/18:00 amORD - BIL
2 stops16h 08mAlaska Airlines
Deal found 4/24$395
Thu 4/255:30 amBIL - STL
2 stops10h 20mDelta
Mon 4/293:51 pmSTL - BIL
2 stops9h 46mDelta
Deal found 4/24$398
Wed 5/226:40 amBIL - ORD
1 stop10h 49mAlaska Airlines
Fri 5/316:00 amORD - BIL
1 stop18h 08mAlaska Airlines
Deal found 4/24$399
Fri 5/246:35 pmBIL - STL
1 stop5h 11mDelta
Tue 5/285:30 pmSTL - BIL
1 stop7h 54mDelta
Deal found 4/23$413

Billings to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Billings and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
The lowest fares we've come across on flights traveling from Billings to Illinois in April and May 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/186:20 pmSTL - BIL
1 stop6h 57mDelta
Deal found 4/24$258
Wed 6/126:39 pmBIL - STL
1 stop5h 01mDelta
Tue 6/185:53 pmSTL - BIL
2 stops7h 24mDelta
Deal found 4/24$263
Sat 8/245:45 amBIL - STL
1 stop6h 40mDelta
Tue 8/276:30 amSTL - BIL
1 stop7h 32mDelta
Deal found 4/24$308
Mon 6/177:14 pmBIL - ORD
1 stop8h 26mMultiple Airlines
Fri 6/218:11 pmORD - BIL
1 stop14h 39mMultiple Airlines
Deal found 4/24$329
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368
Wed 5/226:40 amBIL - ORD
1 stop9h 14mAlaska Airlines
Wed 5/298:40 amORD - BIL
1 stop15h 28mAlaska Airlines
Deal found 4/24$369
Thu 4/256:28 amBIL - STL
1 stop6h 47mDelta
Mon 4/296:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$388
Tue 5/286:52 pmBIL - ORD
1 stop9h 48mAlaska Airlines
Wed 5/298:40 amORD - BIL
1 stop15h 28mAlaska Airlines
Deal found 4/24$389
Thu 4/256:28 amBIL - STL
1 stop6h 47mDelta
Mon 4/292:27 pmSTL - BIL
2 stops11h 10mDelta
Deal found 4/24$393

Non-stop flights to Illinois from Billings

Discover non-stop flight options from Billings to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
If you're seeking options on non-stop flights from Billings to Illinois, check out these fares. Users seeking other options on flights from Billings to Illinois should update the search form at the top of the page.
Thu 6/612:22 pmBIL - ORD
Nonstop2h 45mAmerican Airlines
Sun 6/99:44 amORD - BIL
Nonstop3h 03mAmerican Airlines
Deal found 4/24$557
Mon 6/1712:22 pmBIL - ORD
Nonstop2h 45mAmerican Airlines
Fri 6/219:44 amORD - BIL
Nonstop3h 03mAmerican Airlines
Deal found 4/24$591
Tue 6/2512:22 pmBIL - ORD
Nonstop2h 45mAmerican Airlines
Wed 7/39:44 amORD - BIL
Nonstop3h 03mAmerican Airlines
Deal found 4/24$641
Sat 9/2812:28 pmBIL - ORD
Nonstop2h 47mAmerican Airlines
Mon 9/309:50 amORD - BIL
Nonstop3h 01mAmerican Airlines
Deal found 4/23$665

Billings to Illinois flights leaving soon

Find last-minute flight options from Billings to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Users seeking a last-minute flight from Billings to Illinois should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Fri 5/36:34 pmBIL - STL
1 stop5h 12mDelta
Sun 5/56:50 pmSTL - BIL
1 stop6h 47mDelta
Deal found 4/24$368
Fri 5/36:34 pmBIL - ORD
1 stop5h 25mDelta
Tue 5/77:30 pmORD - BIL
1 stop5h 54mDelta
Deal found 4/23$573
Fri 5/36:34 pmBIL - ORD
2 stops12h 46mDelta
Tue 5/75:44 pmORD - BIL
1 stop6h 11mDelta
Deal found 4/24$578
Fri 5/36:34 pmBIL - ORD
2 stops12h 46mDelta
Tue 5/73:50 pmORD - BIL
2 stops9h 34mDelta
Deal found 4/23$583
Fri 5/35:30 amBIL - STL
1 stop7h 01mDelta
Sun 5/52:27 pmSTL - BIL
2 stops11h 10mDelta
Deal found 4/24$608
Thu 5/25:30 amBIL - ORD
2 stops10h 18mDelta
Tue 5/77:30 pmORD - BIL
1 stop5h 54mDelta
Deal found 4/24$618
Fri 5/36:34 pmBIL - ORD
2 stops12h 46mDelta
Tue 5/73:50 pmORD - BIL
2 stops9h 34mDelta
Deal found 4/24$623
Thu 5/22:20 pmBIL - ORD
1 stop5h 52mUnited Airlines
Tue 5/712:16 pmORD - BIL
3 stops22h 25mUnited Airlines
Deal found 4/24$624
Thu 5/25:47 pmBIL - ORD
2 stops14h 49mUnited Airlines
Tue 5/712:16 pmORD - BIL
3 stops22h 25mUnited Airlines
Deal found 4/24$740

One-way flights to Illinois from Billings

Search for one-way flight options from Billings to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
If you're seeking multiple options on one-way flights from Billings to Illinois, be sure to check out these deals, which are updated often. Those needing a return flight from Billings to Illinois can use the search form above.
Tue 5/286:52 pmBIL - ORD
1 stop9h 48mAlaska Airlines
Deal found 4/24$182
Sat 5/1811:50 amBIL - ORD
1 stop29h 39mAlaska Airlines
Deal found 4/24$198
Thu 5/166:52 pmBIL - STL
1 stop28h 07mAlaska Airlines
Deal found 4/24$247
Thu 9/267:00 amBIL - ORD
2 stops21h 30mAlaska Airlines
Deal found 4/24$248
Sat 5/185:47 pmBIL - ORD
1 stop14h 45mUnited Airlines
Deal found 4/24$252
Wed 5/15:50 pmBIL - ORD
1 stop5h 26mUnited Airlines
Deal found 4/24$262
Sat 5/181:36 pmBIL - ORD
2 stops24h 19mAlaska Airlines
Deal found 4/24$278
Thu 9/266:25 amBIL - MDW
1 stop5h 37mDelta
Deal found 4/24$296
Wed 5/16:28 amBIL - ORD
2 stops11h 07mDelta
Deal found 4/24$301

Find flights from Billings to Illinois within your budget

Customize your flight search to find flights from Billings to Illinois 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 3,073,952 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$258 - $561

Route

Depart

Return

Price

Billings Logan IntlLambert-St Louis

BIL - STL

BILSTL

Billings Logan Intl

Wed 6/12

1 stop5h 01m

Lambert-St Louis

Tue 6/18

1 stop6h 57m

$258

Billings Logan IntlLambert-St Louis

BIL - STL

BILSTL

Billings Logan Intl

Wed 6/12

1 stop5h 01m

Lambert-St Louis

Tue 6/18

2 stops7h 24m

$263

Billings Logan IntlLambert-St Louis

BIL - STL

BILSTL

Billings Logan Intl

Sat 8/24

1 stop6h 40m

Lambert-St Louis

Tue 8/27

1 stop7h 32m

$308

Billings Logan IntlChicago O'Hare Intl

BIL - ORD

BILORD

Billings Logan Intl

Mon 6/17

1 stop8h 26m

Chicago O'Hare Intl

Fri 6/21

1 stop14h 39m

$329

Billings Logan IntlChicago O'Hare Intl

BIL - ORD

BILORD

Billings Logan Intl

Wed 5/22

1 stop9h 14m

Chicago O'Hare Intl

Wed 5/29

1 stop15h 28m

$369

Billings Logan IntlChicago O'Hare Intl

BIL - ORD

BILORD

Billings Logan Intl

Tue 5/28

1 stop9h 48m

Chicago O'Hare Intl

Wed 5/29

1 stop15h 28m

$389

Billings Logan IntlMoline Quad-City

BIL - MLI

BILMLI

Billings Logan Intl

Sat 8/24

1 stop5h 31m

Moline Quad-City

Wed 8/28

1 stop5h 29m

$423

Billings Logan IntlMoline Quad-City

BIL - MLI

BILMLI

Billings Logan Intl

Sat 8/24

1 stop5h 31m

Moline Quad-City

Wed 8/28

2 stops11h 19m

$428

Billings Logan IntlChicago O'Hare Intl

BIL - ORD

BILORD

Billings Logan Intl

Tue 6/25

Nonstop2h 45m

Chicago O'Hare Intl

Wed 7/3

1 stop33h 18m

$561

Flights are sorted by cheapest first

Deals found on 4/24

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 25, 2024.
See what other customers who have flown with United Airlines, Delta and Alaska Airlines from Billings to Illinois 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
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,975 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,255 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,898 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Billings to Illinois. 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 from for flights from Billings to Illinois?

    Billings Logan Intl (BIL) is the airport you will fly out of if you book a flight from Billings to Illinois. It is only a 2.7 mi journey to Billings Logan Intl (BIL) from Billings’s city center.

  • Can I find flights from Billings to Illinois for under $300 on Cheapflights?

    Yes, there are multiple flights from Billings to Illinois for under $300. The cheapest flight booked recently is on Delta for just $258, but on average you can expect to pay $398.

  • Are there nonstop flights from Billings to Illinois for under $600 on Cheapflights?

    Cheapflights has at least 4 direct flights from Billings to Illinois under $600. A good price for a nonstop flight from Billings to Illinois is less than $613.

  • Are there last-minute flights available from Billings to Illinois for under $400?

    There are currently 17+ open flights from Billings to Illinois within the next 7 days for less than $400.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $182. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Billings to Illinois for a low price.

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

    Most travelers choose Billings Logan Intl - Chicago O'Hare Intl, Billings Logan Intl - Chicago Midway or Billings Logan Intl - Lambert-St Louis when deciding on the best route from Billings to Illinois.

  • What are the most popular airlines that fly from Billings to Illinois?

    Before booking your flight from Billings to Illinois check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

  • What are the cheapest flights from Billings to Illinois?

    The cheapest flight price from Billings to Illinois is $318. On average you can expect to pay $654. The most popular route, (Billings Logan Intl - Chicago O'Hare Intl), can usually be booked for $334.

  • What does BIL to ORD mean?

    Billings Logan Intl Airport is BIL and Chicago O'Hare Intl Airport is ORD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Billings to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Billings to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Billings to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Billings to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Billings to Illinois that allow pets onboard?

    Many airlines flying from Billings to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Billings to Illinois?

    Yes, you can often find last-minute deals on Billings to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Billings to Illinois flight deals updated?

    The Billings to Illinois flight deals you see on this page were last updated on 4/24.

See more FAQs

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Alternative routes for Billings to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Billings to Illinois

Discover the top 3 airlines that operate flights from Billings to Illinois. 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 3,073,952 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$354Average$573FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$521Average$575FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$552Average$727FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Billings to Kentucky flights

Search flights from Billings to Illinois by cabin class

Find flights from Billings to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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