HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Duluth

$179+ Cheap flights from Chicago (CHI) to Duluth (DLH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DLH
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Duluth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$311

Good round-trip deal

$269 or less
Provider with most accurate pricing for Chicago (CHI)-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Duluth Intl flights.
Search Deals
From Chicago (CHI) to Duluth Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Duluth Intl.
Search Deals

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 October 31, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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 12/108:13 pmORD - DLH
Nonstop1h 46mUnited Airlines
Tue 12/162:57 pmDLH - ORD
Nonstop1h 59mUnited Airlines
Deal found 10/30$179
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 12/107:02 pmMDW - DLH
1 stop4h 57mDelta
Tue 12/165:00 amDLH - MDW
1 stop4h 19mDelta
Deal found 10/30$198
This Delta deal was found by Cheapflights users on 10/31. 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 12/144:24 pmDLH - ORD
1 stop5h 16mDelta
Deal found 10/31$198
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 12/106:00 amORD - DLH
1 stop5h 20mDelta
Sun 12/145:00 amDLH - ORD
2 stops8h 50mDelta
Deal found 10/29$204
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/138:51 amORD - DLH
Nonstop1h 47mUnited Airlines
Mon 11/173:06 pmDLH - ORD
Nonstop1h 59mUnited Airlines
Deal found 10/29$209
This Delta deal was found by Cheapflights users on 10/29. 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 12/97:02 pmMDW - DLH
1 stop4h 57mDelta
Sun 12/1412:01 pmDLH - MDW
1 stop6h 17mDelta
Deal found 10/29$213
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 12/106:00 amORD - DLH
1 stop5h 20mDelta
Tue 12/1612:01 pmDLH - ORD
1 stop4h 56mDelta
Deal found 10/30$223
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/218:51 amORD - DLH
Nonstop1h 47mUnited Airlines
Mon 11/2411:14 amDLH - ORD
Nonstop1h 59mUnited Airlines
Deal found 10/30$224
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/148:35 pmORD - DLH
1 stop3h 15mDelta
Tue 11/185:10 amDLH - ORD
1 stop6h 24mDelta
Deal found 10/30$228
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/2612:54 pmORD - DLH
Nonstop1h 37mUnited Airlines
Sun 11/307:55 amDLH - ORD
Nonstop1h 59mUnited Airlines
Deal found 10/30$247
This Delta deal was found by Cheapflights users on 10/29. 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 11/105:42 pmORD - DLH
1 stop6h 08mDelta
Sun 11/165:10 amDLH - ORD
1 stop6h 24mDelta
Deal found 10/29$258
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/218:35 pmORD - DLH
1 stop3h 15mDelta
Mon 11/245:10 amDLH - ORD
2 stops8h 45mDelta
Deal found 10/30$259

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 October 31, 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 12/10

8:13 pm-9:59 pm

Nonstop1h 46m

Duluth Intl

Tue 12/16

2:57 pm-4:56 pm

Nonstop1h 59m

$179

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Wed 12/10

7:02 pm-11:59 pm

1 stop4h 57m

Duluth Intl

Tue 12/16

5:00 am-9:19 am

1 stop4h 19m

$198

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-11:40 am

1 stop6h 40m

$198

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Wed 12/10

6:00 am-11:20 am

1 stop5h 20m

Duluth Intl

Sun 12/14

5:00 am-11:40 am

1 stop6h 40m

$198

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Wed 12/10

6:00 am-11:20 am

1 stop5h 20m

Duluth Intl

Tue 12/16

5:00 am-1:50 pm

2 stops8h 50m

$204

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Tue 12/9

7:02 pm-11:59 pm

1 stop4h 57m

Duluth Intl

Sun 12/14

12:01 pm-6:18 pm

1 stop6h 17m

$213

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Sat 11/29

1:47 pm-7:30 pm

1 stop5h 43m

Duluth Intl

Sat 12/6

12:01 pm-6:18 pm

1 stop6h 17m

$333

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 12/19

12:45 pm-2:28 pm

Nonstop1h 43m

$209

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Fri 11/28

12:54 pm-2:31 pm

Nonstop1h 37m

$209

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Fri 11/28

9:41 am-3:38 pm

1 stop5h 57m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 12 results
1
2

Compare providers for flights from Chicago to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Duluth in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Duluth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Duluth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Duluth flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, October is the cheapest month in which you can book a flight from Chicago to Duluth (average of $143). Flying from Chicago to Duluth in March is currently the most expensive (average of $249). 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 October 31, 2025.

When flying from Chicago to Duluth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 October 31, 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
7.9
Good
7,996 reviews

Boarding

8.2

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
8,995 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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 3 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 46m. Your travel time can differ by up to 3h 11m. 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 $209, 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 36% 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: Emirates (72%), Air New Zealand (71%), Copa Airlines (69%).

  • What are the cheapest flights from Chicago to Duluth?

    On average you can expect to pay $324 for a flight from Chicago to Duluth. The cheapest flight overall is $184 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, October is the cheapest month in which you can book a flight from Chicago to Duluth (average of $143). Flying from Chicago to Duluth in March is currently the most expensive (average of $249). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Minneapolis flights
Midway to Minneapolis flights
St. Louis to Minneapolis flights
O'Hare Intl to Fargo flights
O'Hare Intl to Sioux Falls flights
O'Hare Intl to Duluth flights
Midway to Sioux Falls flights
O'Hare Intl to Rochester flights
Midway to Duluth flights
Midway to Fargo flights
St. Louis to Fargo flights
Moline to Minneapolis flights
St. Louis to Sioux Falls flights
Peoria to Minneapolis flights
Midway to Rochester flights
O'Hare Intl to Mason City flights
St. Louis to Duluth flights
O'Hare Intl to Bemidji flights
Bloomington to Minneapolis flights
O'Hare Intl to Ironwood flights
Bloomington to Rochester flights
Champaign to Minneapolis flights
O'Hare Intl to Brainerd flights
Moline to Sioux Falls flights
Dubuque to Minneapolis flights
Midway to Bemidji flights
O'Hare Intl to Hibbing flights
Midway to Hibbing flights
O'Hare Intl to La Crosse flights
Evansville to Minneapolis flights
Evansville to Fargo flights
Midway to Brainerd flights
Springfield to Minneapolis flights
St. Louis to Brainerd flights
O'Hare Intl to International Falls flights
St. Louis to International Falls flights
Midway to International Falls flights
Champaign to Fargo flights
Midway to La Crosse flights

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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$354FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.