Cheap Flights from Bismarck to Chicago O'Hare International

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Compare Bismarck to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

Book the best Chicago O'Hare International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Bismarck to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Bismarck Airport to Chicago O'Hare International Airport? If you want to travel next month, return fares start from $807. Find the lowest prices on one-way and return tickets right here.

Chicago.$749 per passenger.Departing Tue, 22 Sep, returning Sat, 26 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Bismarck on Tue, 22 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Sat, 26 Sep, arriving in Bismarck.Price includes taxes and charges.From $749, select.

Chicago.$766 per passenger.Departing Mon, 14 Dec, returning Mon, 21 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Bismarck on Mon, 14 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Mon, 21 Dec, arriving in Bismarck.Price includes taxes and charges.From $766, select.

Chicago.$807 per passenger.Departing Sat, 3 Oct, returning Fri, 9 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Bismarck on Sat, 3 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Fri, 9 Oct, arriving in Bismarck.Price includes taxes and charges.From $807, select.

Chicago.$822 per passenger.Departing Wed, 25 Nov, returning Sat, 28 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Bismarck on Wed, 25 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Sat, 28 Nov, arriving in Bismarck.Price includes taxes and charges.From $822, select.

Chicago.$911 per passenger.Departing Sat, 31 Oct, returning Tue, 3 Nov.Return flight with United.Outbound indirect flight with United, departs from Bismarck on Sat, 31 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Tue, 3 Nov, arriving in Bismarck.Price includes taxes and charges.From $911, select.

Chicago.$1,069 per passenger.Departing Sat, 13 Feb, returning Wed, 17 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Bismarck on Sat, 13 Feb, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Wed, 17 Feb, arriving in Bismarck.Price includes taxes and charges.From $1,069, select.

Chicago.$1,094 per passenger.Departing Tue, 29 Dec, returning Sat, 2 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Bismarck on Tue, 29 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Sat, 2 Jan, arriving in Bismarck.Price includes taxes and charges.From $1,094, select.

Chicago.$1,150 per passenger.Departing Wed, 25 Nov, returning Sat, 28 Nov.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Bismarck on Wed, 25 Nov, arriving in Chicago O'Hare International.Inbound direct flight with American Airlines departs from Chicago O'Hare International on Sat, 28 Nov, arriving in Bismarck.Price includes taxes and charges.From $1,150, select.

Chicago.$1,452 per passenger.Departing Mon, 30 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Bismarck on Mon, 30 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Thu, 3 Dec, arriving in Bismarck.Price includes taxes and charges.From $1,452, select.

Find the cheapest month to fly from Bismarck to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bismarck to Chicago O'Hare International flights are currently cheapest in September.

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Direct flights from Bismarck to Chicago O'Hare International

Bismarck to Chicago O'Hare International: Alternative routes

Compare routes from Bismarck to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Bismarck to Chicago: Flight information

The things to know before you go.

Cheapest flight found	$749
Cheapest month to fly	September
Average flight time	2 hrs, 23 mins
Most popular airline	American Airlines
Average flights per week	30

Finding cheap flights from Bismarck to Chicago O'Hare International: Frequently asked questions

How much are return flights from Bismarck to Chicago O'Hare International?

The best price we found for a return flight from Bismarck to Chicago O'Hare International is $751. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Bismarck to Chicago O'Hare International?

2 hours and 23 minutes is the average flight time from Bismarck to Chicago O'Hare International.

Which airlines fly direct from Bismarck to Chicago O'Hare International?

American Airlines, Envoy Air and Qatar Airways fly direct from Bismarck to Chicago O'Hare International.

How many flights are there a week from Bismarck to Chicago O'Hare International?

As of September 2026, there are 30 flights per week flying from Bismarck to Chicago O'Hare International.

When is the cheapest time to fly from Bismarck to Chicago O'Hare International?

The cheapest month to fly from Bismarck to Chicago O'Hare International is usually September.

Which upcoming date is cheapest to fly from Bismarck Airport to Chicago O'Hare International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bismarck Airport to Chicago O'Hare International Airport on Tuesday, 22 September 2026.

Can I get a direct flight from Bismarck Airport to Chicago O'Hare International Airport?

Yes – the average flight time is 2 hours and 23 minutes.

How can I find the best flight deal to Chicago O'Hare International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Bismarck Airport to Chicago O'Hare International with?

Currently, Delta and American Airlines offer the cheapest flight tickets to Chicago O'Hare International.

Travelling from Bismarck Airport (BIS) to Chicago O'Hare International Airport (ORD): what you need to know

Jump on a direct flight from Bismarck Airport to Chicago O'Hare International Airport and you'll be in the air for an average of 2 hours 25 minutes.
Bismarck and Chicago follow the same timezone, UTC-6.
Each week, there are five Bismarck Airport to Chicago O'Hare International Airport flights. If you want to get going as soon as possible, opt for the 13:11 American Airlines flight. If you're eager to make the most of your day before flying, the last flight is at 13:20 with American Airlines.
Leave plenty of time to make your BIS to ORD flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.
You can expect longer queues during popular months such as October. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will help ensure a smooth travel experience.
American Airlines has direct flights from Bismarck Airport to Chicago O'Hare International Airport. Book with this popular airline, then get ready to tick off the sights in Chicago — and maybe even more of the United States if you have time.
The airline that tops the list for bookings on this route is American Airlines.
The most punctual carrier that operates BIS to ORD flights is American Airlines. Its services land as scheduled 76.67% of the time.
Think about adding a stopover when booking your ticket from Bismarck Airport to Chicago O'Hare International Airport. Just deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between BIS and ORD:
- Dallas Fort Worth International Airport
- Denver International Airport
- Minneapolis St Paul Airport

How to find the cheapest flights from Bismarck Airport (BIS) to Chicago O'Hare International Airport (ORD)

At the moment, $678 is the lowest price we've seen for a one-way Bismarck Airport to Chicago O'Hare International Airport flight. The best price for a return plane ticket is $751. Keep in mind that fares could change due to availability when booking.
Get cheap tickets from BIS to ORD by booking at least two months ahead. According to our research, that's the sweet spot for finding the biggest deals.
Organise your trip for July. That's the cheapest month for flights from Bismarck Airport to Chicago O'Hare International Airport. If you're flexible on when you fly, try out the 'Whole month' tool to find the lowest airfare across each month.
Stay on top of deals for cheap flights from BIS to ORD by setting up a Price Alert. You'll receive an email or notification on the app when a lower fare becomes available.
Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Bismarck Airport to Chicago O'Hare International Airport.

Handy information about Bismarck Airport (BIS)

BIS is located at 2301 University Drive Bldg 17.
When it comes to the on-time performance of Bismarck Airport, data shows 75% of flights meet their scheduled arrival time.
To get to Bismarck Airport from central Bismarck, it takes about 15 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 11 kilometres from the airport to the city centre.
Catching public transport? You can expect a journey time of around 30 minutes.
Catching an early flight from Bismarck Airport to Chicago O'Hare International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by picking one of these hotels close to BIS:

Arriving at Chicago O'Hare International Airport (ORD)

Book a hotel near ORD if you're taking a late Bismarck Airport to Chicago O'Hare International Airport flight. Check in to one of these options and skip the long transfer after landing:
Get your adventure underway by picking up a Chicago O'Hare International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and explore beyond Chicago's main sights.
Lock in the best rate by reserving your ride from Chicago O'Hare International Airport about four weeks in advance of your trip.

Getting from Chicago O'Hare International Airport (ORD) to central Chicago

You'll find ORD at 10000 West O'Hare.
Chicago O'Hare International Airport to central Chicago has a drive time of about 30 minutes. It's approximately 27 kilometres away.
It takes roughly 45 minutes if you're travelling by public transport.

When to fly to Chicago O'Hare International Airport (ORD)

July is the busiest month for flights from Bismarck Airport to Chicago O'Hare International Airport. To escape the crowds, visit Chicago in March.
When reserving your flight from Bismarck Airport to Chicago O'Hare International Airport, think about the kind of weather you enjoy. July is the warmest month in Chicago, with the temperature ranging from 16ºC to 28ºC.
If you'd rather travel in cooler conditions, look for a cheap ticket from BIS to ORD in January. Temperatures average between -12ºC and 3ºC then.

Explore more of the United States

Chicago is easy to fall in love with, but there are so many other parts of the United States just waiting to be discovered. Around 451 kilometres south-east of Chicago, a visit to Columbus will keep you on the go. Start with attractions like Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.
Around 257 kilometres south-east of Chicago, Indianapolis is another essential stop in the United States. Get a taste of what this destination has to offer at Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.