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$203+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DLH
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Duluth Intl are usually found in October or May, booked 46 days in advance, depart on a Friday or Tuesday and return on a Friday

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$203
(Delta)

Popular in

February

Cheapest in

October

Average price

$243

Good round-trip deal

$324 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for Chicago (CHI)-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Duluth Intl flights.
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From Chicago (CHI) to Duluth Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Duluth Intl.
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Price to beat on a one-way 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 8/206:00 amORD - DLH
1 stop4h 10mDelta
Mon 8/253:59 pmDLH - ORD
1 stop3h 44mDelta
Deal found 4/30$203
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/249:01 amORD - DLH
Nonstop1h 51mUnited Airlines
Tue 5/2711:27 amDLH - ORD
Nonstop1h 48mUnited Airlines
Deal found 4/30$324
This Delta deal was found by Cheapflights users on 4/30. 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 5/231:55 pmMDW - DLH
1 stop5h 33mDelta
Sun 5/255:10 amDLH - MDW
1 stop3h 26mDelta
Deal found 4/30$393

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 May 1, 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 8/20

6:00 am-10:10 am

1 stop4h 10m

Duluth Intl

Mon 8/25

3:59 pm-7:43 pm

1 stop3h 44m

$203

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Sat 5/24

9:01 am-10:52 am

Nonstop1h 51m

Duluth Intl

Tue 5/27

11:27 am-1:15 pm

Nonstop1h 48m

$324

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Fri 5/23

1:55 pm-7:28 pm

1 stop5h 33m

Duluth Intl

Sun 5/25

5:10 am-8:36 am

1 stop3h 26m

$393

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Sat 7/26

9:00 am-10:51 am

Nonstop1h 51m

$259

ChicagoDuluth

MDW - DLH

MDWDLH

Chicago Midway

Sat 7/26

7:21 pm-10:44 pm

1 stop3h 23m

$268

ChicagoDuluth

ORD - DLH

ORDDLH

Chicago O'Hare Intl

Sat 7/26

6:00 am-10:23 am

1 stop4h 23m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Duluth flight deals on Cheapflights vs. FlightHub >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

How far ahead should I book a flight from Chicago to Duluth?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Duluth. Price data was last updated on April 25, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Duluth. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $335). Flying from Chicago to Duluth in June is currently the most expensive (average of $483). 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 May 1, 2025.

It’s typically best to fly out from Chicago to Duluth at noon. Doing so could potentially save you 22% 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 May 1, 2025.

The most flights from CHI to DLH are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Duluth by month

Plan your trip to Duluth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

Temperature in Duluth by month

Plan your trip to Duluth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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 May 1, 2025.
To help decide which airline to fly from Chicago to Duluth, see what other customers have to say about Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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 6 inbound flights from Chicago per day from 2 airlines. Duluth Intl is conveniently located just 5.8 mi from Duluth’s city center.

  • What are the cheapest airlines flying from Chicago to Duluth round-trip?

    Currently priced at $203, Delta will fly you from Chicago to Duluth and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $324. Delta is 30% 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: Air New Zealand (64%), SkyWest Airlines (63%), United Airlines (63%).

  • What are the cheapest flights from Chicago to Duluth?

    On average you can expect to pay $344 for a flight from Chicago to Duluth. The cheapest flight overall is $208 while the most popular route, (Chicago O'Hare Intl - Duluth Intl) is currently priced at $178.

  • 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 $335). Flying from Chicago to Duluth in June is currently the most expensive (average of $483). 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

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Top 2 airlines flying from Chicago to Duluth

Discover the top 2 airlines 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$183Average$296FlexibilityNo cancel feeOn-time69%
DeltaCheapest$188Average$268FlexibilityNo cancel feeOn-timeN/A

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