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$273+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — DLH
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
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 March 24, 2026.

This United Airlines deal was found by Cheapflights users on 3/19. 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 4/116:18 pm
DTW
-
DLH
1 stop4h 48m
United Airlines
Sun 4/126:57 pm
DLH
-
DTW
1 stop5h 19m
United Airlines
Deal found 3/19$318
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Mon 5/184:10 pm
DTW
-
DLH
1 stop6h 54m
United Airlines
Mon 5/257:03 am
DLH
-
DTW
1 stop5h 24m
United Airlines
Deal found 3/20$331
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
DTW
-
DLH
1 stop6h 07m
Delta
Sat 4/1812:47 pm
DLH
-
DTW
1 stop6h 48m
Delta
Deal found 3/20$353
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 5/16:00 am
DTW
-
DLH
1 stop5h 34m
United Airlines
Sun 5/36:44 pm
DLH
-
DTW
1 stop4h 15m
United Airlines
Deal found 3/19$398
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/217:00 am
DTW
-
DLH
1 stop5h 56m
Delta
Sat 3/288:04 am
DLH
-
DTW
1 stop6h 16m
Delta
Deal found 3/20$403
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Thu 4/168:10 pm
DTW
-
DLH
1 stop5h 19m
United Airlines
Sat 4/187:25 am
DLH
-
DTW
2 stops12h 19m
United Airlines
Deal found 3/20$404
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/2212:11 pm
DTW
-
DLH
2 stops10h 55m
United Airlines
Sat 4/257:25 am
DLH
-
DTW
2 stops12h 16m
United Airlines
Deal found 3/22$409
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 4/2212:11 pm
DTW
-
DLH
2 stops10h 55m
United Airlines
Sun 4/266:57 pm
DLH
-
DTW
1 stop5h 17m
United Airlines
Deal found 3/20$453
This United Airlines deal was found by Cheapflights users on 3/19. 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 6/206:00 am
DTW
-
DLH
1 stop5h 43m
United Airlines
Sat 6/276:25 pm
DLH
-
DTW
1 stop4h 33m
United Airlines
Deal found 3/19$487
This Delta deal was found by Cheapflights users on 3/19. 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 6/1912:15 pm
DTW
-
DLH
2 stops12h 23m
Delta
Sat 6/275:10 am
DLH
-
DTW
1 stop5h 26m
Delta
Deal found 3/19$491

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 March 24, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$331
(United Airlines)

One-way from

$273
(Delta)
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 March 24, 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

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 4/11

6:18 pm-10:06 pm

1 stop4h 48m

Duluth Intl

Sun 4/12

6:57 pm-1:16 am

1 stop5h 19m

$318

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Thu 4/16

7:00 am-12:07 pm

1 stop6h 07m

Duluth Intl

Sat 4/18

12:47 pm-8:35 pm

1 stop6h 48m

$353

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Fri 5/1

6:00 am-10:34 am

1 stop5h 34m

Duluth Intl

Sun 5/3

6:44 pm-11:59 pm

1 stop4h 15m

$398

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 6/20

6:00 am-10:43 am

1 stop5h 43m

Duluth Intl

Fri 6/26

3:03 pm-10:19 pm

1 stop6h 16m

$398

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Wed 4/22

11:00 am-2:27 pm

1 stop4h 27m

Duluth Intl

Sat 4/25

11:19 am-6:18 pm

1 stop5h 59m

$398
Quickest round-trip

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 4/11

6:00 am-10:38 am

1 stop5h 38m

Duluth Intl

Mon 4/13

6:57 pm-11:58 pm

1 stop4h 01m

$398
Cheapest one-way

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 4/11

7:00 am-11:56 am

1 stop5h 56m

$273
Quickest one-way

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 4/18

12:15 pm-3:48 pm

1 stop4h 33m

$273

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 4/18

6:00 am-2:27 pm

2 stops9h 27m

$279

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

Sat 4/11

7:44 pm-10:06 pm

3 stops27h 22m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Detroit-Duluth flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Detroit-Duluth flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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 $230). 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.

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 March 24, 2026.
Read through reviews of airlines operating flights from Detroit to Duluth, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,469 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,469 reviews
United Airlines
7.4
Good
9,469 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 48m. Your travel time can differ by up to 1h 19m. 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 $230). 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$413FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$378FlexibilityNo cancel feeOn-time69%

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