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Duluth

$124+ Cheap flights from Chicago (CHI) to Duluth (DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DLH
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Chicago to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Duluth (DLH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$124
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$334

Good round-trip deal

$247 or less
From Chicago (CHI) to Duluth Intl
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One-way flight from Chicago (CHI) to Duluth Intl
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Highest demand for flights based on searches. 13% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Duluth Intl.
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Find flight deals from Chicago to Duluth

Cheapest flights from Chicago to Duluth
Explore the most affordable flight options available from Chicago to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:50 pmORD - DLH
Nonstop1h 47mUnited Airlines
Thu 10/239:45 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/16$179
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:58 amORD - DLH
Nonstop1h 47mUnited Airlines
Sun 10/199:45 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/14$184
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:15 pmORD - DLH
Nonstop1h 53mUnited Airlines
Sat 10/49:45 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/14$189
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:13 pmORD - DLH
Nonstop1h 46mUnited Airlines
Thu 12/112:57 pmDLH - ORD
Nonstop1h 59mUnited Airlines
Deal found 9/15$198
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:45 pmORD - DLH
Nonstop1h 47mUnited Airlines
Sun 10/59:45 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/16$213
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:58 amORD - DLH
Nonstop1h 47mUnited Airlines
Mon 10/139:45 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/14$214
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amORD - DLH
1 stop5h 20mDelta
Sun 12/145:00 amDLH - ORD
1 stop3h 40mDelta
Deal found 9/15$228
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:15 pmORD - DLH
Nonstop1h 53mUnited Airlines
Mon 10/139:45 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/15$231
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:02 pmMDW - DLH
1 stop16h 18mDelta
Mon 12/1512:01 pmDLH - MDW
1 stop6h 17mDelta
Deal found 9/15$237
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:40 pmORD - DLH
1 stop14h 40mDelta
Mon 12/1512:01 pmDLH - ORD
1 stop4h 53mDelta
Deal found 9/15$237
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:58 amORD - DLH
Nonstop1h 47mUnited Airlines
Sat 10/259:45 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/14$239
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:50 pmORD - DLH
Nonstop1h 47mUnited Airlines
Sun 10/1211:20 amDLH - ORD
Nonstop1h 55mUnited Airlines
Deal found 9/15$240

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Chicago to Duluth that are best for you.

Fly from

Chicago

Fly to

Duluth

Route

Depart

Return

Price

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Wed 10/22

8:58 am-10:45 am

Nonstop1h 47m

Duluth Intl

Sat 10/25

9:45 am-11:40 am

Nonstop1h 55m

$179

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Thu 10/16

4:50 pm-6:37 pm

Nonstop1h 47m

Duluth Intl

Thu 10/23

9:45 am-11:40 am

Nonstop1h 55m

$179

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 11/14

8:50 am-10:37 am

Nonstop1h 47m

Duluth Intl

Sun 11/16

7:55 am-9:54 am

Nonstop1h 59m

$184

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 10/17

8:58 am-10:45 am

Nonstop1h 47m

Duluth Intl

Sun 10/19

9:45 am-11:40 am

Nonstop1h 55m

$184

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 12/5

8:13 pm-9:59 pm

Nonstop1h 46m

Duluth Intl

Thu 12/11

2:57 pm-4:56 pm

Nonstop1h 59m

$198

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Wed 10/1

12:45 pm-2:32 pm

Nonstop1h 47m

Duluth Intl

Sun 10/5

9:45 am-11:40 am

Nonstop1h 55m

$213

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Thu 10/2

8:58 am-10:45 am

Nonstop1h 47m

Duluth Intl

Mon 10/13

9:45 am-11:40 am

Nonstop1h 55m

$214

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Tue 12/9

6:00 am-11:20 am

1 stop5h 20m

Duluth Intl

Sun 12/14

5:00 am-8:40 am

1 stop3h 40m

$228

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 10/10

8:15 pm-10:08 pm

Nonstop1h 53m

Duluth Intl

Mon 10/13

9:45 am-11:40 am

Nonstop1h 55m

$231

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Mon 12/8

7:02 pm-11:20 am

1 stop16h 18m

Duluth Intl

Mon 12/15

12:01 pm-6:18 pm

1 stop6h 17m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 32 results
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Best time to book a flight from Chicago to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Duluth

What is the cheapest month to book a flight from Chicago to Duluth?

Currently, January is the cheapest month in which you can book a flight from Chicago to Duluth (average of $339). Flying from Chicago to Duluth in June is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to DLH?

Find hourly flight availability from Chicago to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

It’s typically best to fly out from Chicago to Duluth in the afternoon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Chicago to Duluth

Explore weekly flight availability from Chicago to Duluth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2025.

The most flights from CHI to DLH are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Chicago to Duluth?

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Chicago to Duluth, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Duluth from Chicago?

    Most people fly into Duluth Intl (DLH) if they book a flight to Duluth from Chicago. On average, Duluth Intl has 8 inbound flights from Chicago per day from 1 airline. Duluth Intl is conveniently located just 5.8 mi from Duluth’s city center.

  • How long is the flight from Chicago to Duluth?

    United Airlines and Delta can get you from Chicago to Duluth in just under 1h 47m. Your travel time can differ by up to 14h 31m. There are 397 mi between Chicago and Duluth. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Chicago to Duluth round-trip?

    Currently priced at $239, United Airlines will fly you from Chicago to Duluth and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Chicago to Duluth?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Duluth on time: Copa Airlines (82%), Air New Zealand (65%), Emirates (58%).

  • What are the cheapest flights from Chicago to Duluth?

    On average you can expect to pay $329 for a flight from Chicago to Duluth. The cheapest flight overall is $209 while the most popular route, (Chicago O'Hare Intl - Duluth Intl) is currently priced at $179.

  • Can I find deals for flights from Chicago to Duluth that include hotel bookings?

    Yes. In addition to deals on Chicago to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Duluth.

  • Can I find deals for business class flights from Chicago to Duluth?

    Yes. Cheapflights offers flight deals from Chicago to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Duluth?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Duluth (average of $339). Flying from Chicago to Duluth in June is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Duluth?

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

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Alternative routes for Chicago to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Chicago to Duluth

Discover the top airline that operate flights from Chicago to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$239Average$346FlexibilityNo cancel feeOn-time69%

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