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Duluth

$263+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — DLH
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
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Cheap 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 July 20, 2026.

This Delta deal was found by Cheapflights users on 7/18. 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 8/157:15 am
DTW
-
DLH
1 stop4h 46m
Delta
Sat 8/225:15 am
DLH
-
DTW
1 stop5h 27m
Delta
Deal found 7/18$298
This United Airlines deal was found by Cheapflights users on 7/16. 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 10/89:02 am
DTW
-
DLH
1 stop6h 27m
United Airlines
Sat 10/103:10 pm
DLH
-
DTW
2 stops7h 49m
United Airlines
Deal found 7/16$327
This Delta deal was found by Cheapflights users on 7/19. 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 11/257:45 pm
DTW
-
DLH
1 stop4h 03m
Delta
Sat 11/285:10 am
DLH
-
DTW
1 stop5h 29m
Delta
Deal found 7/19$347
This Delta deal was found by Cheapflights users on 7/19. 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 8/217:15 am
DTW
-
DLH
1 stop4h 46m
Delta
Sun 8/234:11 pm
DLH
-
DTW
1 stop5h 30m
Delta
Deal found 7/19$353
This United Airlines deal was found by Cheapflights users on 7/18. 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 8/157:34 am
DTW
-
DLH
1 stop4h 08m
United Airlines
Sat 8/227:45 am
DLH
-
DTW
2 stops10h 13m
United Airlines
Deal found 7/18$369
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/157:34 am
DTW
-
DLH
1 stop4h 08m
United Airlines
Fri 8/216:23 pm
DLH
-
DTW
1 stop4h 36m
United Airlines
Deal found 7/16$378
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 9/2112:35 pm
DTW
-
DLH
1 stop6h 17m
United Airlines
Wed 9/303:10 pm
DLH
-
DTW
1 stop6h 05m
United Airlines
Deal found 7/15$385
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:20 am
DTW
-
DLH
2 stops8h 14m
United Airlines
Tue 8/186:23 pm
DLH
-
DTW
1 stop4h 31m
United Airlines
Deal found 7/17$399
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/187:34 am
DTW
-
DLH
1 stop4h 08m
United Airlines
Mon 8/246:23 pm
DLH
-
DTW
1 stop4h 36m
United Airlines
Deal found 7/20$423
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/17:45 pm
DTW
-
DLH
1 stop4h 38m
United Airlines
Wed 8/56:25 pm
DLH
-
DTW
1 stop4h 29m
United Airlines
Deal found 7/19$429

Find 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 July 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Delta)

One-way from

$263
(United Airlines)
Provider with most accurate pricing for Detroit (DTT)-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Duluth Intl flights.
Search Deals
From Detroit (DTT) to Duluth Intl
Search Deals
One-way flight from Detroit (DTT) to Duluth Intl
Search Deals

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 July 20, 2026.
Use the filters below to find and compare flights from Detroit to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 8/15

7:15 am-11:01 am

1 stop4h 46m

Duluth Intl

Sat 8/22

5:15 am-11:42 am

1 stop5h 27m

$298

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Fri 8/21

7:15 am-11:01 am

1 stop4h 46m

Duluth Intl

Sun 8/23

4:11 pm-10:41 pm

1 stop5h 30m

$353

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 8/15

7:34 am-10:42 am

1 stop4h 08m

Duluth Intl

Sat 8/22

7:45 am-6:58 pm

2 stops10h 13m

$369

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Wed 8/12

10:20 am-5:34 pm

2 stops8h 14m

Duluth Intl

Tue 8/18

6:23 pm-11:54 pm

1 stop4h 31m

$399

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Thu 7/23

11:00 am-2:26 pm

1 stop4h 26m

Duluth Intl

Sat 7/25

11:18 am-6:38 pm

1 stop6h 20m

$492

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Fri 8/21

10:20 am-5:34 pm

2 stops8h 14m

Duluth Intl

Sun 8/23

6:23 pm-11:59 pm

1 stop4h 36m

$498

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Fri 7/31

5:30 am-10:41 am

1 stop6h 11m

Duluth Intl

Tue 8/4

6:25 pm-11:54 pm

1 stop4h 29m

$509

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Tue 8/18

10:20 am-5:34 pm

2 stops8h 14m

Duluth Intl

Mon 8/24

6:23 pm-10:10 am

2 stops14h 47m

$522
Cheapest one-way

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Wed 8/19

9:15 am-2:29 pm

1 stop6h 14m

$263
Quickest one-way

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sun 8/16

7:30 am-10:42 am

1 stop4h 12m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Detroit 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 Detroit to Duluth 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 Detroit-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Duluth 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 Detroit-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 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 month to book a flight from Detroit to Duluth?

Currently, October is the cheapest month in which you can book a flight from Detroit to Duluth (average of $238). Flying from Detroit to Duluth in February is currently the most expensive (average of $583). 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.

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?

    Delta and United Airlines can get you from Detroit to Duluth in just under 4h 08m. Your travel time can differ by up to 38m. 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 are the cheapest airlines flying 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. Check Cheapflights for deals on United Airlines for as low as $238.

  • 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, October is the cheapest month in which you can book a flight from Detroit to Duluth (average of $238). Flying from Detroit to Duluth in February is currently the most expensive (average of $583). 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

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Top 2 airlines flying from Detroit to Duluth

Discover the top 2 airlines 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 July 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$413FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$422FlexibilityNo cancel feeOn-time69%

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