$184 Find Cheap Flights from Duluth to Illinois

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Duluth to Illinois departing on 9/2. 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.
1 adult
1 adult, Economy

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Duluth to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Duluth to Illinois, as well as popular online travel agencies
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Cheap Flights from Duluth to Illinois

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Chicago
Chicagononstop$184
Chicago
Chicagononstop$184

Book Cheap Duluth to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Duluth to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Duluth to Illinois

Tue, Sep 2 - Sat, Sep 6
United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
United Airlines Logo
8:12 pm - 10:05 pmORD-DLH
1h 53mnonstop
$184United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
9:45 am - 11:38 amDLH-ORD
1h 53mnonstop
United Airlines Logo
8:12 pm - 10:05 pmORD-DLH
1h 53mnonstop
$189United Airlines
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
5:10 am - 12:45 pmDLH-ORD
7h 35m2 stops
Delta Logo
5:30 pm - 10:46 pmORD-DLH
5h 16m1 stop
$209Delta
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
5:10 am - 12:45 pmDLH-ORD
7h 35m2 stops
Delta Logo
2:25 pm - 10:46 pmORD-DLH
8h 21m2 stops
$214Delta
Find Deal
Wed, Sep 24 - Sun, Sep 28
Delta Logo
5:10 am - 8:25 amDLH-ORD
3h 15m1 stop
Delta Logo
6:15 am - 10:07 amORD-DLH
3h 52m1 stop
$228Delta
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
5:10 am - 12:45 pmDLH-ORD
7h 35m2 stops
Delta Logo
6:10 am - 10:15 amORD-DLH
4h 05m1 stop
$234Delta
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
5:10 am - 12:45 pmDLH-ORD
7h 35m2 stops
Delta Logo
2:25 pm - 10:46 pmORD-DLH
8h 21m2 stops
$239Delta
Find Deal
Tue, Sep 2 - Sat, Sep 6
United Airlines Logo
9:45 am - 11:38 amDLH-ORD
1h 53mnonstop
United Airlines Logo
12:48 pm - 2:35 pmORD-DLH
1h 47mnonstop
$244United Airlines
Find Deal
Thu, Oct 2 - Sat, Oct 4
United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
United Airlines Logo
8:58 am - 10:43 amORD-DLH
1h 45mnonstop
$249United Airlines
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
5:10 am - 12:28 pmDLH-MDW
7h 18m2 stops
Delta Logo
7:17 pm - 10:46 pmMDW-DLH
3h 29m1 stop
$269Delta
Find Deal
Booking Insights

KAYAK's insights & trends for Duluth to Illinois flights

Get data-powered insights and trends into flights from Duluth to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Duluth to Illinois?

What is the cheapest Duluth to Illinois flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Illinois from Duluth found in the last 72 hours was to Chicago, at $318 round-trip. The most popular route is from Duluth (DLH) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $318.

Can I save money by flying with a layover from Duluth to Illinois?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $438 on average.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Duluth to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Duluth to Illinois is September, when tickets cost $243 (return) on average. On the other hand, the most expensive months are July and April, when the average cost of round-trip tickets is $414 and $401 respectively.

What’s the cheapest day of the week to fly from Duluth to Illinois?

The average price of all round-trip flights from Duluth to Illinois clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Illinois on a Friday and more expensive on a Monday. On your return trip to Duluth, you should consider flying back on a Friday, and avoid Sundays for better deals.

Good to know

Low seasonJuly
Cheapest flight$184
Best time to beat the crowds but there is an average 13% increase in price.
Most popular time to fly and prices are also 23% lower on average.
Flight from Duluth to Chicago O'Hare Airport

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Duluth to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Duluth to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Duluth to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Duluth to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Duluth to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Duluth to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Duluth to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Duluth to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $513 on average. Morning departures are around 5% more expensive than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $538.

Top tips for finding cheap flights to Illinois

  • Looking for a cheap flight? 25% of our users found tickets from Duluth to the following destinations at these prices or less: Chicago $332 one-way - $373 round-trip

Reviews of the top airlines flying from Duluth to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Duluth to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Duluth to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7982 reviews
8.2Boarding
7.9Entertainment
7.9Comfort
7.3Food
8.5Crew
Airline reviews

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

8.0 ExcellentJeanne, Aug 2025MSY - JFK
Read more Delta reviews

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

There was supposed to be a meal served, but there wasn’t and the major toilet was out of order

They made us board and then deboard due to mechanical issue which delayed the departure by almost 2 hours and we barely made our connecting flight. These quality checks should've been done before boarding not after.

Having to up charge for a seat assignment is not good. Delta can do better

I liked the friendliness of the staff. The cleanliness of all 3 planes.

Was charged for my luggage despite having been on one ticket from an international flight. Too tired to argue after 15 hours on flight. Was charged for rechecking it at JFK airport. Not sure why those off Kenya Airways were required to do that.

Flight attendant in first class gave poor service (like he didn't want to be there) and food was awful. We sat waiting for gate upon arrival over 45 mins.

Weather delay in Chicago?. No sense of urgency to make connection in Chicago for our connecting flight that wasn't delayed. Connection was missed.

Overall it was good. I missed my connection but I was put on another flight.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

I liked that the flight was nonstop from ORD to CIU for $200 round trip.

The schedule to Moline changed 5 times. The gate changed 6 times. That is a pathetic way to run an airline. No wonder that no one in our company flies on United Express to or from Moline. Changes happen most of the time. I learned my lesson on this trip…never again!

While the staff was pleasant and helpful, the following observations are for your awareness. There was some delay on the tarmac on take off and landing. The paid lunch/food offerings were limited. Entertainment was only available on WiFi at a cost.

The first flight was better in terms of the aircraft.

Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.

Everything you need to know for your flight from Duluth to Illinois

Information on your arrival and departure airports

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