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Cheap flights from Duluth to Illinois from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Illinois departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Duluth to Illinois

Cheap round-trip flights

United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
United Airlines Logo
8:12 pm - 10:05 pmORD-DLH
1h 53mnonstop
$179United Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
United Airlines Logo
9:45 am - 11:38 amDLH-ORD
1h 53mnonstop
United Airlines Logo
4:50 pm - 6:37 pmORD-DLH
1h 47mnonstop
$180United Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 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 - 8:25 amDLH-ORD
3h 15m1 stop
Delta Logo
6:15 am - 10:02 amORD-DLH
3h 47m1 stop
$198Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
Delta Logo
5:10 am - 8:25 amDLH-ORD
3h 15m1 stop
Delta Logo
2:25 pm - 10:43 pmORD-DLH
8h 18m2 stops
$204Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
Delta Logo
10:55 am - 3:00 pmDLH-ORD
4h 05m1 stop
Delta Logo
5:30 pm - 10:46 pmORD-DLH
5h 16m1 stop
$208Delta
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
6:10 am - 10:15 amORD-DLH
4h 05m1 stop
$214Delta
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
$219Delta
Find Deal
Tue, Sep 2 - Sat, Sep 6
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
Wed, Sep 24 - Tue, Sep 30

United Airlines flights from Duluth to Illinois

Our best United Airlines deals on Duluth to Illinois flight tickets
United Airlines
Sep 17
DLH8:00 amDuluth Intl
1h 55m
ORD9:55 amChicago O'Hare Intl
Sep 20
ORD8:12 pmChicago O'Hare Intl
1h 53m
DLH10:05 pmDuluth Intl
$179
Find similar
United Airlines
Sep 24
DLH9:45 amDuluth Intl
1h 53m
ORD11:38 amChicago O'Hare Intl
Oct 1
ORD4:50 pmChicago O'Hare Intl
1h 47m
DLH6:37 pmDuluth Intl
$180
Find similar
United Airlines
Sep 2
DLH9:45 amDuluth Intl
1h 53m
ORD11:38 amChicago O'Hare Intl
Sep 6
ORD8:12 pmChicago O'Hare Intl
1h 53m
DLH10:05 pmDuluth Intl
$189
Find similar

Delta flights from Duluth to Illinois

Our best Delta deals on Duluth to Illinois flight tickets
Delta
Sep 17
DLH5:10 amDuluth Intl
3h 15m
1 stop
ORD8:25 amChicago O'Hare Intl
Sep 20
ORD6:15 amChicago O'Hare Intl
3h 47m
1 stop
DLH10:02 amDuluth Intl
$198
Find similar
Delta
Sep 17
DLH5:10 amDuluth Intl
3h 15m
1 stop
ORD8:25 amChicago O'Hare Intl
Sep 20
ORD2:25 pmChicago O'Hare Intl
8h 18m
2 stops
DLH10:43 pmDuluth Intl
$204
Find similar
Delta
Sep 2
DLH10:55 amDuluth Intl
4h 05m
1 stop
ORD3:00 pmChicago O'Hare Intl
Sep 6
ORD5:30 pmChicago O'Hare Intl
5h 16m
1 stop
DLH10:46 pmDuluth Intl
$208
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Duluth to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Wed 9/17

8:00 am-9:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Sat 9/20

8:12 pm-10:05 pm

Nonstop1h 53m

$179

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Wed 9/24

9:45 am-11:38 am

Nonstop1h 53m

Chicago O'Hare Intl

Wed 10/1

4:50 pm-6:37 pm

Nonstop1h 47m

$180

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Tue 9/2

9:45 am-11:38 am

Nonstop1h 53m

Chicago O'Hare Intl

Sat 9/6

8:12 pm-10:05 pm

Nonstop1h 53m

$189

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Wed 9/17

5:10 am-8:25 am

1 stop3h 15m

Chicago O'Hare Intl

Sat 9/20

6:15 am-10:02 am

1 stop3h 47m

$198

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Wed 9/17

5:10 am-8:25 am

1 stop3h 15m

Chicago O'Hare Intl

Sat 9/20

2:25 pm-10:43 pm

2 stops8h 18m

$204

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Tue 9/2

10:55 am-3:00 pm

1 stop4h 05m

Chicago O'Hare Intl

Sat 9/6

5:30 pm-10:46 pm

1 stop5h 16m

$208

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Tue 9/2

5:10 am-12:45 pm

2 stops7h 35m

Chicago O'Hare Intl

Sat 9/6

5:30 pm-10:46 pm

1 stop5h 16m

$209

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Tue 9/2

5:10 am-12:45 pm

2 stops7h 35m

Chicago O'Hare Intl

Sat 9/6

6:10 am-10:15 am

1 stop4h 05m

$214

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Tue 9/2

5:10 am-12:45 pm

2 stops7h 35m

Chicago O'Hare Intl

Sat 9/6

2:25 pm-10:46 pm

2 stops8h 21m

$219

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Wed 9/24

5:10 am-8:25 am

1 stop3h 15m

Chicago O'Hare Intl

Tue 9/30

6:15 am-10:07 am

1 stop3h 52m

$228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Duluth 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 Duluth is in September. Flight prices, which tend to average around $243, 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 September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $262.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Duluth to Illinois is on a Friday when prices can be found for as low as $459. Flights from Duluth to Illinois on a Monday will generally be more expensive and average around $734. 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 afternoon. Flights from Duluth to Illinois during this time can be as low as $513. Flights in the morning are often more expensive with an average ticket price of $538.

What is the cheapest Duluth Intl to Illinois flight route?

Fly from Duluth Intl to Chicago O'Hare Intl for the best Duluth Intl - Illinois flight prices

What cabin class options are available on Duluth Intl to Illinois flights?

There are 4 cabin classes available to choose from on Duluth Intl to Illinois 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 Duluth to Illinois flights?

You could potentially save up to 57% on your flight if you consider stops on a Duluth to Illinois flight.

Cheap Duluth to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Duluth to Illinois

Best Price Found

$144

Fastest flight time

1h 53m

Direct flights

Every day

Airports in Illinois

2 airports
The best one-way flight to Illinois from Duluth in the past 72 hours is $144. The best round-trip flight deal from Duluth to Illinois found on momondo in the last 72 hours is $179.
The fastest flight from Duluth to Illinois takes 1h 53m
Direct flights go from Duluth to Illinois every day.
There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)
Search flight deals

  • When did momondo last update prices for flights from Duluth Intl Airport to Illinois?

    Prices for flights from Duluth Intl Airport to Illinois were last updated today.

  • How many operators does momondo search for flights from Duluth Intl Airport to Illinois?

  • How old do you have to be to fly from Duluth Intl Airport to Illinois?

    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 Duluth Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois 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 Illinois. 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 Duluth to Illinois?

Best airlines flying from Duluth to Illinois

Compare and see reviews for airlines that fly from Duluth to Illinois with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $179Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Duluth to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Duluth to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Duluth to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Duluth to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from Duluth to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Duluth.

I’m not ready to book a flight from Duluth to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Duluth 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.

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