Cheap flights from Illinois to Duluth from $202
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Duluth departing on 7/21. 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 Illinois to Duluth
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from Illinois to Duluth
Our best United Airlines deals on Illinois to Duluth flight tickets
Delta flights from Illinois to Duluth
Our best Delta deals on Illinois to Duluth flight tickets
See travel insights to Duluth from
How to get the cheapest flight ticket from Illinois to Duluth
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 Duluth?
The cheapest month to fly to Duluth from Illinois is in October. Flight prices, which tend to average around $229, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Duluth from Illinois during September instead. Flights to Duluth in September, while not as cheap as those in October, still average around $246.
What is the cheapest day to depart on your flight to Duluth?
The cheapest day to depart from Illinois to Duluth is on a Tuesday when prices can be found for as low as $264. On the other hand, Monday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $417.
What is the cheapest time of day to depart on your flight to Duluth?
Flying to Duluth from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $248 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Duluth is in the morning when prices are around $328.
What is the cheapest Illinois to Duluth Intl flight route?
Fly from Chicago O'Hare Intl to Duluth Intl for the best Illinois - Duluth Intl flight prices
What cabin class options are available on Illinois to Duluth Intl flights?
There are 2 cabin classes available to choose from on Illinois to Duluth Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Illinois to Duluth flights?
You could potentially save up to 61% on your flight if you consider stops on a Illinois to Duluth flight.
What is the cheapest airline that flies from Illinois to Duluth Intl?
Delta and United Airlines are the most popular carriers operating from Illinois to Duluth Intl
What airlines fly to Duluth?
United Airlines, Denver Air Connection and Delta are the top three most popular airlines that fly to Duluth from Illinois according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Duluth. Keep in mind that there are 3 different airlines that fly to Duluth on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Duluth on average per day?
As of June 2025, 6 flights take off from Illinois and land in Duluth each day. The most common flight departure time for this route is 8:00PM, with 39% of daily flights taking off in the evening.
How many flights depart from Illinois to Duluth on average per week?
As of June 2025, 45 flights take off from Illinois and land in Duluth each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
Cheap Illinois to Duluth flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Duluth
When did momondo last update prices for flights from Illinois to Duluth Intl Airport?
Prices for flights from Illinois to Duluth Intl Airport were last updated today.
How many operators does momondo search for flights from Illinois to Duluth Intl Airport?
As of June 2025, there are 2 operators available to choose from for flights from Illinois to Duluth Intl Airport.
How old do you have to be to fly from Illinois to Duluth Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Duluth?
Based on momondo bookings for flights between Illinois and Duluth, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 61.90% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet with 19.84%, Boeing 737-800 with 3.17%, and Airbus A320neo with 1.59%.
Best airlines flying from Illinois to Duluth
Compare and see reviews for airlines that fly from Illinois to Duluth with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $188 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $209 | Free Cancellation | Rating 7.4 8,810 reviews |
Traveling to a place near Duluth?
Book flights to Duluth if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Duluth?
It is quick and easy to find Illinois to Duluth 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 Duluth that suits you.
Can I find flights from Illinois to Duluth with flexible booking policies on momondo?
Yes. All flights to Duluth from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Illinois to Duluth?
momondo helps you find the best flight between Illinois and Duluth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Illinois to Duluth right now. Can momondo alert me if prices change?
Price alerts on flights to Duluth from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.