$114 Cheap Flights from Bismarck (BIS) to Chicago (ORD)

View $114 flight on Tue, Feb 17, 2026Opens in a new window

Popular airlines from Bismarck, ND (BIS-Bismarck Municipal) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Bismarck to Chicago (BIS-ORD)

Prices were available within the past 7 days and start at $114 for one-way flights and $215 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 30 - Wed, Jun 3
BIS
Bismarck
ORD
Chicago
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, May 30 from Bismarck to Chicago, returning Wed, Jun 3, priced at $215 found 2 days ago
Delta
Tue, Feb 17 - Wed, Feb 25
BIS
Bismarck
ORD
Chicago
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Feb 17 from Bismarck to Chicago, returning Wed, Feb 25, priced at $222 found 6 days ago
Delta
Tue, Jan 27 - Sun, Feb 15
BIS
Bismarck
ORD
Chicago
$232 Roundtrip, found 6 days ago
$232
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Jan 27 from Bismarck to Chicago, returning Sun, Feb 15, priced at $232 found 6 days ago
Delta
Sat, Jan 10 - Tue, Jan 27
BIS
Bismarck
ORD
Chicago
$235 Roundtrip, found 3 hours ago
$235
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Jan 10 from Bismarck to Chicago, returning Tue, Jan 27, priced at $235 found 3 hours ago
Delta
Tue, Feb 24 - Sat, Feb 28
BIS
Bismarck
ORD
Chicago
$240 Roundtrip, found 3 hours ago
$240
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Feb 24 from Bismarck to Chicago, returning Sat, Feb 28, priced at $240 found 3 hours ago
Delta
Wed, Jan 28 - Sat, Jan 31
BIS
Bismarck
ORD
Chicago
$245 Roundtrip, found 8 hours ago
$245
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Jan 28 from Bismarck to Chicago, returning Sat, Jan 31, priced at $245 found 8 hours ago
American Airlines
Thu, Jul 23 - Tue, Jul 28
BIS
Bismarck
ORD
Chicago
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jul 23 from Bismarck to Chicago, returning Tue, Jul 28, priced at $247 found 5 days ago
Delta
Tue, Dec 30 - Sat, Jan 17
BIS
Bismarck
ORD
Chicago
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Dec 30 from Bismarck to Chicago, returning Sat, Jan 17, priced at $249 found 6 days ago
Delta
Sat, Jan 17 - Thu, Jan 29
BIS
Bismarck
ORD
Chicago
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 17 from Bismarck to Chicago, returning Thu, Jan 29, priced at $259 found 6 days ago
United
Thu, Jan 8 - Sat, Jan 10
BIS
Bismarck
ORD
Chicago
$455 Roundtrip, found 4 days ago
$455
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 8 from Bismarck to Chicago, returning Sat, Jan 10, priced at $455 found 4 days ago

Find the cheapest month to fly from Bismarck (BIS) to Chicago (ORD)

April is typically the cheapest month to fly

From $198 - $623 per traveler.

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $454
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $454
Flights from Bismarck (BIS) to Chicago (ORD)
Origin airport
Bismarck Municipal
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$215
Distance
714 mi
Average flight time
2 hours 34 mins

Bismarck to Chicago Flights

The cheapest times to fly from Bismarck to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bismarck to Chicago are during the month of May. You can find some of the cheapest flights from Bismarck to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bismarck to Chicago

Sunday is one of the best days to book for cheap flights from Bismarck to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bismarck to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bismarck to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $114 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bismarck to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bismarck to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD) cost?
Snag a cheap one-way flight from $114 or cheap return flight from $215 from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD)?
May is the cheapest month to fly from BIS to ORD. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from BIS to ORD. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD)?
You'll need to hop on a flight with a layover if you're traveling from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from BIS to ORD?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD)?
To arrive at O'Hare Intl. Airport (ORD) on time, choose a flight that leaves from Bismarck Municipal Airport (BIS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD) last-minute?
Last-minute bookings from BIS to ORD are typically more expensive. To lock in the best rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book a BIS to ORD flight and hotel package?
Opting for a BIS to ORD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bismarck Municipal Airport (BIS) to O'Hare Intl. Airport (ORD)?
In most cases, you're able to cancel or reschedule your BIS to ORD flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.