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$199+ Cheap flights from Duluth (DLH) to Chicago (CHI)

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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — CHI
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
1 adult, Economy
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Cheap flight deals from Duluth to Chicago

Cheapest flights from Duluth to Chicago
Explore the most affordable flight options available from Duluth to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.

This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 8/157:45 am
DLH
-
ORD
Nonstop1h 56m
United Airlines
Sun 8/169:30 pm
ORD
-
DLH
Nonstop1h 52m
United Airlines
Deal found 7/2$239
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/316:25 pm
DLH
-
ORD
Nonstop1h 57m
United Airlines
Sun 8/29:30 pm
ORD
-
DLH
Nonstop1h 53m
United Airlines
Deal found 7/5$252
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/306:25 pm
DLH
-
ORD
Nonstop1h 57m
United Airlines
Sun 8/29:30 pm
ORD
-
DLH
Nonstop1h 53m
United Airlines
Deal found 7/5$254
This Delta deal was found by Cheapflights users on 7/5. 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 10/2012:30 pm
DLH
-
MDW
1 stop4h 09m
Delta
Sun 10/255:21 pm
MDW
-
DLH
1 stop5h 26m
Delta
Deal found 7/5$258
This Delta deal was found by Cheapflights users on 7/2. 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.
Sat 8/155:15 am
DLH
-
ORD
1 stop3h 15m
Delta
Sun 8/166:00 am
ORD
-
DLH
1 stop5h 01m
Delta
Deal found 7/2$258
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 7/257:03 am
DLH
-
ORD
Nonstop1h 57m
United Airlines
Tue 7/288:48 am
ORD
-
DLH
Nonstop1h 53m
United Airlines
Deal found 7/3$261
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 8/155:15 am
DLH
-
MDW
2 stops7h 24m
Delta
Sat 8/227:25 pm
MDW
-
DLH
1 stop3h 16m
Delta
Deal found 7/1$264
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 8/295:15 am
DLH
-
ORD
2 stops8h 35m
Delta
Tue 9/16:00 am
ORD
-
DLH
1 stop5h 01m
Delta
Deal found 7/1$264
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 8/295:15 am
DLH
-
MDW
2 stops7h 24m
Delta
Tue 9/19:24 am
MDW
-
DLH
2 stops6h 07m
Delta
Deal found 7/1$269
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/176:25 pm
DLH
-
ORD
Nonstop1h 57m
United Airlines
Sun 7/199:30 pm
ORD
-
DLH
Nonstop1h 53m
United Airlines
Deal found 7/2$269
This Delta deal was found by Cheapflights users on 7/5. 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 10/217:00 am
DLH
-
MDW
1 stop4h 48m
Delta
Sat 10/245:21 pm
MDW
-
DLH
1 stop5h 26m
Delta
Deal found 7/5$273
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/47:45 am
DLH
-
ORD
Nonstop1h 56m
United Airlines
Sat 9/58:45 am
ORD
-
DLH
Nonstop1h 57m
United Airlines
Deal found 7/3$280

Find flight deals from Duluth to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Chicago (CHI). 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 July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(United Airlines)

One-way from

$199
(United Airlines)

Popular in

August

Cheapest in

April

Average price

$414

Good round-trip deal

$408 or less

Good one-way deal

$318 or less
Provider with most accurate pricing for Duluth Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Chicago (CHI) flights.
Search Deals
From Duluth Intl to Chicago (CHI)
Search Deals
One-way flight from Duluth Intl to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Duluth Intl to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Duluth Intl to Chicago (CHI).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Chicago 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 July 7, 2026.
Use the filters below to find and compare flights from Duluth to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Wed 10/21

3:10 pm-5:05 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sat 10/24

12:40 pm-2:29 pm

Nonstop1h 49m

$239

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Fri 8/7

6:25 pm-8:22 pm

Nonstop1h 57m

Chicago O'Hare Intl

Sun 8/9

9:30 pm-11:23 pm

Nonstop1h 53m

$254

DuluthChicago

DLH - MDW

DLHMDW

Duluth Intl

Sat 8/15

5:15 am-8:39 am

1 stop3h 24m

Chicago Midway

Sat 8/22

1:51 pm-7:44 pm

1 stop5h 53m

$258

DuluthChicago

DLH - MDW

DLHMDW

Duluth Intl

Fri 11/6

7:00 am-11:48 am

1 stop4h 48m

Chicago Midway

Sun 11/8

9:59 am-3:41 pm

1 stop5h 42m

$258

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Fri 11/6

12:30 pm-4:40 pm

1 stop4h 10m

Chicago O'Hare Intl

Sun 11/8

12:33 pm-3:41 pm

1 stop3h 08m

$258

DuluthChicago

DLH - MDW

DLHMDW

Duluth Intl

Sat 12/26

12:00 pm-4:50 pm

1 stop4h 50m

Chicago Midway

Sat 1/2

5:35 pm-10:48 pm

1 stop5h 13m

$273

DuluthChicago

DLH - MDW

DLHMDW

Duluth Intl

Thu 8/20

5:15 am-8:39 am

1 stop3h 24m

Chicago Midway

Thu 8/27

9:59 am-3:31 pm

1 stop5h 32m

$303

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Sat 12/26

12:00 pm-4:49 pm

1 stop4h 49m

Chicago O'Hare Intl

Sat 1/2

6:00 am-11:15 am

1 stop5h 15m

$303
Quickest round-trip

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Sat 10/24

6:00 am-7:54 am

Nonstop1h 54m

Chicago O'Hare Intl

Wed 10/28

9:00 am-10:44 am

Nonstop1h 44m

$309

DuluthChicago

DLH - ORD

DLHORD

Duluth Intl

Sat 8/15

6:23 pm-8:19 pm

Nonstop1h 56m

Chicago O'Hare Intl

Sat 8/22

9:30 pm-11:22 pm

Nonstop1h 52m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Showing 1-10 of 35 resultsSorted by cheapest first
1
2
3
4

Compare providers for flights from Duluth to Chicago

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 Duluth to Chicago in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Duluth-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Duluth-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub 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 Duluth-Chicago 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 Duluth to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Duluth 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 Duluth to Chicago

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

Currently, October is the cheapest month in which you can book a flight from Duluth to Chicago (average of $110). Flying from Duluth to Chicago in June is currently the most expensive (average of $379). 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 DLH to CHI?

Find hourly flight availability from Duluth to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 7, 2026.

When flying from Duluth to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 36% versus a flight in the evening.

Weekly flight availability from Duluth to Chicago

Explore weekly flight availability from Duluth to Chicago. 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 July 7, 2026.

The most flights from DLH to CHI are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated July 7, 2026.
See what other customers who have flown with United Airlines from Duluth to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,944 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
9,944 reviews
United Airlines
7.4
Good
9,944 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Duluth to Chicago. 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 from for flights from Duluth to Chicago?

    Duluth Intl (DLH), located 5.8 mi from the city center, is the airport you fly out of when you book flights from Duluth to Chicago. 1 airline have flights from Duluth Intl to Chicago on a regular basis. Booking flights from Duluth Intl to Chicago should not be difficult; the airport handles an average of 8 outbound flights to Chicago per day.

  • How long is the flight from Duluth to Chicago?

    Departing from Duluth to Chicago will take you 1h 55m. The distance from Duluth to Chicago is about 397 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on United Airlines is currently your cheapest option to Chicago, with prices starting at $180. Users have found that United Airlines is 56% cheaper than the other options available to this destination.

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

    Consider Copa Airlines (69%), SkyWest Airlines (67%) or United Airlines (67%) when booking your flight. These represent the most reliable airlines when flying from Duluth to Chicago.

  • What are the cheapest flights from Duluth to Chicago?

    Looking at all options, your cheapest flight can be booked for $218. While the most popular route (Duluth Intl - Chicago O'Hare Intl) can be booked for $239 on average, our data indicates $1,126 when flying from Duluth to Chicago.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Duluth to Chicago 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 Duluth to Chicago?

    Currently, October is the cheapest month in which you can book a flight from Duluth to Chicago (average of $110). Flying from Duluth to Chicago in June is currently the most expensive (average of $379). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Hammond
Lansing
Merrillville
Valparaiso
Porter

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Duluth to Chicago

Discover the top airline that operate flights from Duluth to Chicago. 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$180Average$322FlexibilityNo cancel feeOn-time69%

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