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Cheap flights from Illinois to Duluth from $179

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 8/30. 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 Illinois to Duluth

Cheap round-trip flights

United Airlines Logo
4:45 pm - 6:30 pmORD-DLH
1h 45mnonstop
United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
$179United Airlines
Find Deal
Sat, Aug 30 - Mon, Sep 1
Delta Logo
5:15 pm - 10:43 pmORD-DLH
5h 28m1 stop
Delta Logo
10:50 am - 5:01 pmDLH-ORD
6h 11m1 stop
$198Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
1:25 pm - 10:43 pmORD-DLH
9h 18m2 stops
Delta Logo
12:02 pm - 4:50 pmDLH-ORD
4h 48m1 stop
$204Delta
Find Deal
Sat, Nov 1 - Tue, Nov 4
United Airlines Logo
8:12 pm - 10:05 pmORD-DLH
1h 53mnonstop
United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
$211United Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 11
Delta Logo
7:17 pm - 10:46 pmMDW-DLH
3h 29m1 stop
Delta Logo
7:50 am - 1:03 pmDLH-MDW
5h 13m1 stop
$223Delta
Find Deal
Wed, Sep 3 - Wed, Sep 10
Delta Logo
7:15 am - 3:39 pmORD-DLH
8h 24m2 stops
Delta Logo
4:20 pm - 9:21 pmDLH-ORD
5h 01m1 stop
$229Delta
Find Deal
Fri, Sep 5 - Fri, Sep 12
United Airlines Logo
8:15 pm - 10:08 pmORD-DLH
1h 53mnonstop
United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
$235United Airlines
Find Deal
Fri, Oct 10 - Sat, Oct 11
United Airlines Logo
4:45 pm - 6:30 pmORD-DLH
1h 45mnonstop
United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
$239United Airlines
Find Deal
Wed, Aug 27 - Sat, Aug 30
United Airlines Logo
8:12 pm - 10:05 pmORD-DLH
1h 53mnonstop
United Airlines Logo
8:00 am - 9:55 amDLH-ORD
1h 55mnonstop
$244United Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 6
Delta Logo
7:17 pm - 10:46 pmMDW-DLH
3h 29m1 stop
Delta Logo
5:10 am - 6:37 pmDLH-MDW
13h 27m2 stops
$249Delta
Find Deal
Wed, Sep 3 - Sat, Sep 6

United Airlines flights from Illinois to Duluth

Our best United Airlines deals on Illinois to Duluth flight tickets
United Airlines
Aug 30
ORD4:45 pmChicago O'Hare Intl
1h 45m
DLH6:30 pmDuluth Intl
Sep 1
DLH8:00 amDuluth Intl
1h 55m
ORD9:55 amChicago O'Hare Intl
$179
Find similar
United Airlines
Sep 4
ORD8:12 pmChicago O'Hare Intl
1h 53m
DLH10:05 pmDuluth Intl
Sep 11
DLH8:00 amDuluth Intl
1h 55m
ORD9:55 amChicago O'Hare Intl
$211
Find similar
United Airlines
Oct 10
ORD8:15 pmChicago O'Hare Intl
1h 53m
DLH10:08 pmDuluth Intl
Oct 11
DLH8:00 amDuluth Intl
1h 55m
ORD9:55 amChicago O'Hare Intl
$235
Find similar

Delta flights from Illinois to Duluth

Our best Delta deals on Illinois to Duluth flight tickets
Delta
Sep 13
ORD5:15 pmChicago O'Hare Intl
5h 28m
1 stop
DLH10:43 pmDuluth Intl
Sep 20
DLH10:50 amDuluth Intl
6h 11m
1 stop
ORD5:01 pmChicago O'Hare Intl
$198
Find similar
Delta
Nov 1
ORD1:25 pmChicago O'Hare Intl
9h 18m
2 stops
DLH10:43 pmDuluth Intl
Nov 4
DLH12:02 pmDuluth Intl
4h 48m
1 stop
ORD4:50 pmChicago O'Hare Intl
$204
Find similar
Delta
Sep 3
MDW7:17 pmChicago Midway
3h 29m
1 stop
DLH10:46 pmDuluth Intl
Sep 10
DLH7:50 amDuluth Intl
5h 13m
1 stop
MDW1:03 pmChicago Midway
$223
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Duluth 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 7, 2025.
Use the filters below to find and compare flights from Illinois to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Sat 8/30

4:45 pm-6:30 pm

Nonstop1h 45m

Duluth Intl

Mon 9/1

8:00 am-9:55 am

Nonstop1h 55m

$179

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Sat 9/13

5:15 pm-10:43 pm

1 stop5h 28m

Duluth Intl

Sat 9/20

10:50 am-5:01 pm

1 stop6h 11m

$198

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Sat 11/1

1:25 pm-10:43 pm

2 stops9h 18m

Duluth Intl

Tue 11/4

12:02 pm-4:50 pm

1 stop4h 48m

$204

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Thu 9/4

8:12 pm-10:05 pm

Nonstop1h 53m

Duluth Intl

Thu 9/11

8:00 am-9:55 am

Nonstop1h 55m

$211

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Wed 9/3

7:17 pm-10:46 pm

1 stop3h 29m

Duluth Intl

Wed 9/10

7:50 am-1:03 pm

1 stop5h 13m

$223

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 9/5

7:15 am-3:39 pm

2 stops8h 24m

Duluth Intl

Fri 9/12

4:20 pm-9:21 pm

1 stop5h 01m

$229

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 10/10

8:15 pm-10:08 pm

Nonstop1h 53m

Duluth Intl

Sat 10/11

8:00 am-9:55 am

Nonstop1h 55m

$235

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Wed 8/27

4:45 pm-6:30 pm

Nonstop1h 45m

Duluth Intl

Sat 8/30

8:00 am-9:55 am

Nonstop1h 55m

$239

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Mon 9/1

8:12 pm-10:05 pm

Nonstop1h 53m

Duluth Intl

Sat 9/6

8:00 am-9:55 am

Nonstop1h 55m

$244

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Wed 9/3

7:17 pm-10:46 pm

1 stop3h 29m

Duluth Intl

Sat 9/6

5:10 am-6:37 pm

2 stops13h 27m

$249

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 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 $246, 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 December instead. Flights to Duluth in December, while not as cheap as those in October, still average around $250.

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

The cheapest day to depart from Illinois to Duluth is on a Friday when prices can be found for as low as $292. On the other hand, Sunday 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 $399.

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 $269 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 $342.

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 55% on your flight if you consider stops on a Illinois to Duluth flight.

Cheap Illinois to Duluth flight deals and tips

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

Best Price Found

$209

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Duluth

1 airport
The best one-way flight to Duluth from Illinois in the past 72 hours is $209. The best round-trip flight deal from Illinois to Duluth found on momondo in the last 72 hours is $179.
The fastest flight from Illinois to Duluth takes 1h 45m
Direct flights go from Illinois to Duluth every day.
There is 1 airport near Duluth: Duluth Intl (DLH)
Search flight deals

  • 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?

  • 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?

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
DeltaPriceFrom $188Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $229Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Hayward
Superior
Cloquet

Why 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.

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