HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Bismarck (BIS) to Illinois from $159

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 6/25. 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.
BIS — ORD
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

The best pricing can be found in the month of February. Prices to Illinois from Bismarck average $465. You can even find prices in February for less than $465, as users have found deals to Illinois from as low as $260. The month of June appears to be one of the more expensive times to travel to Illinois from Bismarck. Flying in the targeted month can save you up to 126%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bismarck to Illinois as you normally would.

Cheap Delta flights from Bismarck to Illinois

Explore cheap flight options specifically provided by Delta for the route between Bismarck 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 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the cheapest Delta flights we've come across from Bismarck to Illinois. It's recommended that users confirm their flight details before booking.
Wed 8/77:27 pmBIS - STL
1 stop4h 01mDelta
Sat 8/103:28 pmSTL - BIS
1 stop4h 18mDelta
Deal found 5/29$218
Sat 6/295:00 amBIS - STL
1 stop5h 35mDelta
Fri 7/510:05 amSTL - BIS
1 stop6h 45mDelta
Deal found 5/30$223
Mon 8/265:30 pmBIS - STL
1 stop5h 58mDelta
Thu 8/296:06 amSTL - BIS
1 stop5h 33mDelta
Deal found 5/29$238
Fri 8/97:27 pmBIS - STL
1 stop4h 01mDelta
Sun 8/115:58 pmSTL - BIS
1 stop6h 26mDelta
Deal found 5/30$243
Sun 8/185:00 amBIS - ORD
1 stop3h 34mDelta
Fri 8/238:30 pmORD - BIS
1 stop3h 54mDelta
Deal found 5/29$248
Sat 7/135:00 amBIS - ORD
1 stop3h 44mDelta
Mon 7/155:30 pmORD - BIS
2 stops6h 54mDelta
Deal found 5/30$253
Fri 7/265:00 amBIS - STL
1 stop5h 38mDelta
Sun 7/286:06 amSTL - BIS
1 stop4h 27mDelta
Deal found 5/30$293
Sat 7/135:00 amBIS - ORD
1 stop3h 44mDelta
Mon 7/155:15 pmORD - BIS
1 stop7h 09mDelta
Deal found 5/30$308
Thu 7/115:00 amBIS - ORD
1 stop3h 44mDelta
Mon 7/155:30 pmORD - BIS
2 stops6h 54mDelta
Deal found 5/30$313

Cheap United Airlines flights from Bismarck to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Bismarck 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 2,784,634 searches. Data last updated May 30, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Bismarck to Illinois. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Sat 6/296:05 amBIS - ORD
1 stop5h 15mUnited Airlines
Sat 6/293:50 pmORD - BIS
1 stop7h 39mUnited Airlines
Deal found 5/29$364
Mon 7/155:27 pmBIS - ORD
1 stop6h 32mUnited Airlines
Wed 7/175:16 amORD - BIS
1 stop7h 26mUnited Airlines
Deal found 5/29$444
Fri 7/121:35 pmBIS - ORD
1 stop8h 21mUnited Airlines
Sun 7/145:12 amORD - BIS
1 stop7h 30mUnited Airlines
Deal found 5/29$508
Wed 7/175:27 pmBIS - ORD
1 stop5h 28mUnited Airlines
Mon 7/229:08 pmORD - BIS
1 stop23h 33mUnited Airlines
Deal found 5/30$512
Wed 7/35:27 pmBIS - ORD
1 stop6h 32mUnited Airlines
Mon 7/89:08 pmORD - BIS
1 stop15h 34mUnited Airlines
Deal found 5/29$527
Mon 7/155:27 pmBIS - ORD
1 stop6h 32mUnited Airlines
Wed 7/179:40 pmORD - BIS
2 stops15h 02mUnited Airlines
Deal found 5/29$536
Sat 6/296:05 amBIS - ORD
1 stop5h 15mUnited Airlines
Sat 6/298:25 pmORD - BIS
2 stops16h 17mUnited Airlines
Deal found 5/29$558
Wed 7/35:27 pmBIS - ORD
1 stop5h 28mUnited Airlines
Mon 7/88:05 pmORD - BIS
2 stops16h 37mUnited Airlines
Deal found 5/29$607
Wed 8/75:27 pmBIS - STL
1 stop4h 44mUnited Airlines
Sat 8/105:30 pmSTL - BIS
2 stops23h 01mUnited Airlines
Deal found 5/29$627

Cheap Bismarck to Illinois flights in May & June 2024

Find cheap flight options from Bismarck to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Scroll through some of the best deals on flights from Bismarck to Illinois in 2024. Check back soon for alternative fares.
Sat 6/295:00 amBIS - STL
1 stop5h 35mDelta
Fri 7/510:05 amSTL - BIS
1 stop6h 45mDelta
Deal found 5/30$223
Wed 6/267:50 amBIS - STL
1 stop6h 43mDelta
Fri 6/286:06 amSTL - BIS
1 stop4h 43mDelta
Deal found 5/30$288
Sat 6/296:05 amBIS - ORD
1 stop5h 15mUnited Airlines
Sat 6/293:50 pmORD - BIS
1 stop7h 39mUnited Airlines
Deal found 5/29$364
Thu 6/2012:16 pmBIS - ORD
1 stop9h 01mMultiple Airlines
Mon 6/241:23 pmORD - BIS
2 stops23h 18mMultiple Airlines
Deal found 5/29$385
Sat 6/223:50 pmBIS - ORD
1 stop6h 07mDelta
Sun 6/236:05 amORD - BIS
1 stop4h 44mDelta
Deal found 5/29$468
Sat 6/293:07 pmBIS - STL
1 stop7h 50mAmerican Airlines
Fri 7/59:47 amSTL - BIS
2 stops12h 42mAmerican Airlines
Deal found 5/30$494
Fri 6/143:07 pmBIS - STL
1 stop7h 50mAmerican Airlines
Sun 6/168:01 amSTL - BIS
1 stop6h 36mAmerican Airlines
Deal found 5/29$513
Sat 6/296:05 amBIS - ORD
1 stop5h 15mUnited Airlines
Sat 6/298:25 pmORD - BIS
2 stops16h 17mUnited Airlines
Deal found 5/29$558
Fri 6/285:00 amBIS - STL
1 stop5h 35mDelta
Sun 6/306:06 amSTL - BIS
1 stop5h 59mDelta
Deal found 5/30$563

Bismarck to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Bismarck and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Scroll through some of the best deals on flights from Bismarck to Illinois in 2024. Check back soon for alternative fares.
Wed 8/77:27 pmBIS - STL
1 stop4h 01mDelta
Sat 8/103:28 pmSTL - BIS
1 stop4h 18mDelta
Deal found 5/29$218
Sat 6/295:00 amBIS - STL
1 stop5h 35mDelta
Fri 7/510:05 amSTL - BIS
1 stop6h 45mDelta
Deal found 5/30$223
Mon 8/265:30 pmBIS - STL
1 stop5h 58mDelta
Thu 8/296:06 amSTL - BIS
1 stop5h 33mDelta
Deal found 5/29$238
Fri 8/97:27 pmBIS - STL
1 stop4h 01mDelta
Sun 8/115:58 pmSTL - BIS
1 stop6h 26mDelta
Deal found 5/30$243
Sun 8/185:00 amBIS - ORD
1 stop3h 34mDelta
Fri 8/238:30 pmORD - BIS
1 stop3h 54mDelta
Deal found 5/29$248
Fri 7/125:00 amBIS - MDW
1 stop3h 52mDelta
Mon 7/155:45 pmMDW - BIS
2 stops6h 39mDelta
Deal found 5/30$253
Sat 7/135:00 amBIS - ORD
1 stop3h 44mDelta
Mon 7/155:30 pmORD - BIS
2 stops6h 54mDelta
Deal found 5/30$253
Mon 8/266:45 amBIS - STL
2 stops8h 47mAmerican Airlines
Fri 8/304:18 pmSTL - BIS
1 stop5h 44mAmerican Airlines
Deal found 5/29$273
Wed 6/267:50 amBIS - STL
1 stop6h 43mDelta
Fri 6/286:06 amSTL - BIS
1 stop4h 43mDelta
Deal found 5/30$288

One-way flights to Illinois from Bismarck

Search for one-way flight options from Bismarck 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 2,784,634 searches. Data last updated May 30, 2024.
Take a look at some of the one-way flights we've detected from Bismarck to Illinois. Users can also find round-trip Bismarck to Illinois flights by using the search form above.
Tue 6/255:39 pmBIS - STL
1 stop4h 16mDelta
Deal found 5/28$159
Wed 6/54:25 pmBIS - ORD
1 stop16h 09mMultiple Airlines
Deal found 5/29$178
Sat 6/295:32 pmBIS - ORD
1 stop15h 02mMultiple Airlines
Deal found 5/29$194
Sun 6/237:50 amBIS - STL
1 stop6h 43mDelta
Deal found 5/29$219
Sat 6/223:50 pmBIS - ORD
1 stop6h 07mDelta
Deal found 5/29$219
Tue 6/251:31 pmBIS - STL
3 stops41h 34mMultiple Airlines
Deal found 5/28$235
Sat 6/226:59 pmBIS - ORD
2 stops25h 48mMultiple Airlines
Deal found 5/29$237
Wed 8/75:27 pmBIS - STL
1 stop4h 44mUnited Airlines
Deal found 5/29$244
Sun 7/1412:14 pmBIS - STL
3 stops28h 31mMultiple Airlines
Deal found 5/29$247

Find flights from Bismarck to Illinois within your budget

Customize your flight search to find flights from Bismarck 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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$218 - $364

Route

Depart

Return

Price

BismarckLambert-St Louis

BIS - STL

BISSTL

Bismarck

Wed 8/7

1 stop4h 01m

Lambert-St Louis

Sat 8/10

1 stop4h 18m

$218

BismarckLambert-St Louis

BIS - STL

BISSTL

Bismarck

Sat 6/29

1 stop5h 35m

Lambert-St Louis

Fri 7/5

1 stop6h 45m

$223

BismarckLambert-St Louis

BIS - STL

BISSTL

Bismarck

Mon 8/26

1 stop5h 58m

Lambert-St Louis

Thu 8/29

1 stop5h 33m

$238

BismarckLambert-St Louis

BIS - STL

BISSTL

Bismarck

Fri 8/9

1 stop4h 01m

Lambert-St Louis

Sun 8/11

1 stop6h 26m

$243

BismarckChicago O'Hare Intl

BIS - ORD

BISORD

Bismarck

Sun 8/18

1 stop3h 34m

Chicago O'Hare Intl

Fri 8/23

1 stop3h 54m

$248

BismarckLambert-St Louis

BIS - STL

BISSTL

Bismarck

Mon 8/26

2 stops8h 47m

Lambert-St Louis

Fri 8/30

1 stop5h 44m

$273

BismarckChicago O'Hare Intl

BIS - ORD

BISORD

Bismarck

Thu 7/11

1 stop10h 05m

Chicago O'Hare Intl

Mon 7/15

1 stop18h 08m

$329

BismarckLambert-St Louis

BIS - STL

BISSTL

Bismarck

Mon 8/26

2 stops19h 16m

Lambert-St Louis

Fri 8/30

1 stop5h 44m

$332

BismarckChicago O'Hare Intl

BIS - ORD

BISORD

Bismarck

Sat 6/29

1 stop5h 15m

Chicago O'Hare Intl

Sat 6/29

1 stop7h 39m

$364

Flights are sorted by cheapest first

Deals found on 5/29

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

Best time to book a flight from Bismarck to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Bismarck 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.

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 May 30, 2024.
Read through reviews of airlines operating flights from Bismarck to Illinois, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Related info for your journey

Find useful and relevant information for your journey from Bismarck 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 Bismarck to Illinois?

    Bismarck (BIS) is the airport you will fly out of if you book a flight from Bismarck to Illinois. It is only a 2.5 mi journey to Bismarck (BIS) from Bismarck’s city center.

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

    Yes, there are multiple flights from Bismarck to Illinois for under $300. The cheapest flight booked recently is on Delta for just $218, but on average you can expect to pay $297.

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

    One-way options have recently been found by users for as low as $159 on Delta. Other airlines that offer cheap prices include United Airlines from $244 and American Airlines from $364 one-way.

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

    The most popular route from Bismarck to Illinois is Bismarck - Chicago O'Hare Intl. You may also consider Bismarck - Chicago Midway or Bismarck - Lambert-St Louis.

  • What does BIS to ORD mean?

    Bismarck Airport is BIS 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), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your Bismarck 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 Bismarck to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Bismarck 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 Bismarck to Illinois that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Bismarck 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 Bismarck to Illinois that allow pets onboard?

    Many airlines flying from Bismarck 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 Bismarck to Illinois?

    Yes, you can often find last-minute deals on Bismarck 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 Bismarck to Illinois flight deals updated?

    The Bismarck to Illinois flight deals you see on this page were last updated on 5/30.

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

    Currently, February is the cheapest month in which you can book a flight from Bismarck to Illinois (average of $244). Flying from Bismarck to Illinois in June is currently the most expensive (average of $326). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Fargo to O'Hare Intl flights
Fargo to Denver flights
Fargo to Dallas/Fort Worth flights
Fargo to Midway flights
Fargo to Seattle flights
Fargo to Portland flights
Fargo to Tampa flights
Bismarck to Seattle flights
Bismarck to Dallas/Fort Worth flights
Fargo to Orlando flights
Fargo to Las Vegas flights
Fargo to San Francisco flights
Fargo to Hobby flights
Fargo to John F Kennedy Intl flights
Fargo to Los Angeles flights
Bismarck to Los Angeles flights
Fargo to Sky Harbor Intl flights
Fargo to Nashville flights
Fargo to Boston flights
Fargo to George Bush Intcntl flights
Fargo to Miami flights
Fargo to San Antonio flights
Fargo to Dulles Intl flights
Fargo to LaGuardia flights
Fargo to Salt Lake City flights
Bismarck to Denver flights
Fargo to Mobile flights
Fargo to Minneapolis flights
Fargo to Detroit flights
Fargo to Boise flights
Fargo to San Diego flights
Fargo to Newark flights
Fargo to Phoenix-Mesa Gateway flights
Fargo to Reagan-National flights
Bismarck to Salt Lake City flights
Bismarck to San Diego flights
Minot to Dallas/Fort Worth flights
Bismarck to O'Hare Intl flights
Fargo to San Jose flights
Fargo to Fort Lauderdale flights
Fargo to Baltimore flights
Bismarck to John F Kennedy Intl flights
Fargo to Hartford flights
Bismarck to New Orleans flights
Bismarck to Minneapolis flights
Minot to Reagan-National flights
Minot to Dulles Intl flights
Bismarck to Las Vegas flights
Minot to Seattle flights
Minot to St. Louis flights

Top 2 airlines flying from Bismarck to Illinois

Discover the top 2 airlines that operate flights from Bismarck 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$240Average$473FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$269Average$516FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Washington, D.C. to Paris flights
Florida to California flights
San Francisco to Rome flights
Houston to London flights
Los Angeles to Hawaii flights
Atlanta to Orlando flights
San Francisco to Seattle flights
Charlotte to Boston flights
Chicago to Tampa flights
St. Louis to Los Angeles flights
Bismarck to Indiana flights

Search flights from Bismarck to Illinois by cabin class

Find flights from Bismarck to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bismarck to Illinois?

Deals for Bismarck to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Bismarck to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bismarck to Illinois.

Can Cheapflights find flights from Bismarck to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Bismarck shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Bismarck to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Bismarck to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines