Cheap flights from North Dakota to Illinois from $110
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North Dakota to Illinois departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from North Dakota to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Frontier flights from North Dakota to Illinois
Our best Frontier deals on North Dakota to Illinois flight tickets
United Airlines flights from North Dakota to Illinois
Our best United Airlines deals on North Dakota to Illinois flight tickets
See travel insights to Illinois from
How to get the cheapest flight ticket from North Dakota to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from North Dakota is in January. Flight prices, which tend to average around $261, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $289.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from North Dakota to Illinois is on a Thursday when prices can be found for as low as $508. Flights from North Dakota to Illinois on a Sunday will generally be more expensive and average around $696. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from North Dakota to Illinois during this time can be as low as $290. Flights at noon are often more expensive with an average ticket price of $661.
What is the cheapest North Dakota to Illinois flight route?
Fly from Bismarck to Chicago O'Hare Intl for the best North Dakota - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from North Dakota when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $341 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from North Dakota for as low as $266 on momondo.
What cabin class options are available on North Dakota to Illinois flights?
There are 4 cabin classes available to choose from on North Dakota to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from North Dakota to Illinois?
Frontier, Delta, and American Airlines are the most popular carriers operating from North Dakota to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from North Dakota according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from North Dakota to Illinois on average per day?
As of April 2025, there are 11 flights per day flying from North Dakota to Illinois. The most common time of day flights depart is 3:00PM, with 55% of flights taking off in the afternoon.
How many flights depart from North Dakota to Illinois on average per week?
83 flights are operational weekly from North Dakota to Illinois as of April 2025. The most popular departure day for this route is Mon, with 24% of flights per week taking off on this day.
When did momondo last update prices for flights from North Dakota to Illinois?
Prices for flights from North Dakota to Illinois were last updated today.
How many operators does momondo search for flights from North Dakota to Illinois?
As of April 2025, there are 3 operators available to choose from for flights from North Dakota to Illinois.
How old do you have to be to fly from North Dakota to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North Dakota to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from North Dakota to Illinois?
Based on momondo bookings for flights between North Dakota and Illinois, the leading plane model is Canadair (Bombardier) Regional Jet, making up 30.62% of the total bookings. Other popular models include Embraer 170 with 27.91%, Canadair (Bombardier) Regional Jet CRJ-550 with 11.05%, and Embraer 175 with 10.27%.
Best airlines flying from North Dakota to Illinois
Compare and see reviews for airlines that fly from North Dakota to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $228 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $233 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $259 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from North Dakota to Illinois?
It is quick and easy to find North Dakota to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.
Can I find flights from North Dakota to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from North Dakota with this policy.
How can momondo help me find flights from North Dakota to Illinois?
Once all potential North Dakota to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from North Dakota to Illinois right now. Can momondo alert me if prices change?
If you are not ready to book a flight from North Dakota to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.