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$233+ Cheap flights from Detroit to Duluth (DTT - 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — DLH
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Detroit to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 17, 2025.

Round-trip from

$248
(United Airlines)

One-way from

$233
(Delta)

Popular in

December

Cheapest in

August

Average price

$442
From Detroit (DTT) to Duluth Intl
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One-way flight from Detroit (DTT) to Duluth Intl
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Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Detroit to Duluth

Cheapest flights from Detroit to Duluth
Explore the most affordable flight options available from Detroit to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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.
Tue 9/302:13 pmDTW - DLH
1 stop5h 24mUnited Airlines
Sat 10/49:45 amDLH - DTW
1 stop6h 06mUnited Airlines
Deal found 9/15$248
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 10/29:15 amDTW - DLH
1 stop6h 17mUnited Airlines
Sun 10/58:00 amDLH - DTW
1 stop4h 12mUnited Airlines
Deal found 9/16$259
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.
Sat 9/277:00 amDTW - DLH
1 stop4h 43mUnited Airlines
Thu 10/29:45 amDLH - DTW
1 stop4h 48mUnited Airlines
Deal found 9/15$273
This Delta deal was found by Cheapflights users on 9/17. 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.
Thu 10/27:00 amDTW - DLH
1 stop4h 07mDelta
Mon 10/64:10 pmDLH - DTW
1 stop5h 15mDelta
Deal found 9/17$308
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.
Sat 9/205:54 pmDTW - DLH
1 stop5h 11mUnited Airlines
Fri 9/263:07 pmDLH - DTW
1 stop6h 21mUnited Airlines
Deal found 9/16$313
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 10/306:00 amDTW - DLH
1 stop5h 37mUnited Airlines
Sun 11/27:55 amDLH - DTW
1 stop4h 16mUnited Airlines
Deal found 9/14$338
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.
Thu 10/307:02 amDTW - DLH
2 stops29h 20mDelta
Sun 11/25:18 amDLH - DTW
1 stop5h 25mDelta
Deal found 9/15$397

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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 17, 2025.
Use the filters below to find and compare flights from Detroit to Duluth that are best for you.

Fly from

Detroit

Fly to

Duluth

Route

Depart

Return

Price

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Thu 10/2

9:15 am-2:32 pm

1 stop6h 17m

Duluth Intl

Sun 10/5

8:00 am-1:12 pm

1 stop4h 12m

$259

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Thu 10/2

7:00 am-10:07 am

1 stop4h 07m

Duluth Intl

Mon 10/6

4:10 pm-10:25 pm

1 stop5h 15m

$308

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 9/20

5:54 pm-10:05 pm

1 stop5h 11m

Duluth Intl

Fri 9/26

3:07 pm-10:28 pm

1 stop6h 21m

$313

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Tue 9/30

9:07 am-10:08 pm

2 stops14h 01m

Duluth Intl

Sat 10/4

9:45 am-6:57 pm

2 stops8h 12m

$329

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Thu 10/30

6:00 am-10:37 am

1 stop5h 37m

Duluth Intl

Sun 11/2

7:55 am-1:11 pm

1 stop4h 16m

$338

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Thu 10/30

7:02 am-11:22 am

2 stops29h 20m

Duluth Intl

Sun 11/2

5:18 am-11:43 am

1 stop5h 25m

$397

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Wed 10/1

6:05 pm-10:08 pm

1 stop5h 03m

Duluth Intl

Sun 10/5

8:00 am-1:12 pm

1 stop4h 12m

$402

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Thu 10/16

11:00 am-2:32 pm

1 stop4h 32m

$233

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Tue 10/14

7:45 pm-11:42 pm

1 stop4h 57m

$233

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Fri 11/14

6:00 am-10:37 am

1 stop5h 37m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
1
2

Best time to book a flight from Detroit to Duluth

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

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

Find hourly flight availability from Detroit 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 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from Detroit to Duluth by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Detroit 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 17, 2025.
Read through reviews of airlines operating flights from Detroit to Duluth, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Aug 2023

BDL - MSP

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Aug 2023

BDL - MSP

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Related info for your journey

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

  • How long is the flight from Detroit to Duluth?

    United Airlines and Delta can get you from Detroit to Duluth in just under 4h 07m. Your travel time can differ by up to 2h 10m. Detroit and Duluth are separated by a distance of 539 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $228, Delta will fly you from Detroit to Duluth and back. In addition to Delta, many other airlines offer competitively priced options for your trip. You may be able to fly from Detroit to Duluth for 44% less than the average price by searching for this airline.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Detroit to Duluth (average of $339). Flying from Detroit 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 Detroit 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 Detroit to Duluth

Discover the top airline that operate flights from Detroit 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$338FlexibilityNo cancel feeOn-timeN/A

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