HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Duluth

$233+ Cheap flights from Detroit to Duluth (DTT - 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — DLH
ago. 31 — sep. 71
dom. 8/31
dom. 9/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Duluth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 agosto 26, 2025.

Round-trip from

$233
(United Airlines)

One-way from

$233
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$238
From Detroit (DTT) to Duluth Intl
Search Deals
One-way flight from Detroit (DTT) to Duluth Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 agosto 26, 2025.

This United Airlines deal was found by Cheapflights users on 8/26. 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.
mar. 9/236:00 amDTW - DLH
1 stop5h 45mUnited Airlines
mar. 9/309:45 amDLH - DTW
1 stop4h 48mUnited Airlines
Deal found 8/26$233
This Delta deal was found by Cheapflights users on 8/25. 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.
mar. 9/97:00 amDTW - DLH
1 stop4h 15mDelta
sáb. 9/135:10 amDLH - DTW
1 stop5h 31mDelta
Deal found 8/25$248
This Delta deal was found by Cheapflights users on 8/25. 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.
mié. 9/247:00 amDTW - DLH
1 stop4h 07mDelta
mié. 10/14:20 pmDLH - DTW
1 stop5h 00mDelta
Deal found 8/25$282
This Delta deal was found by Cheapflights users on 8/26. 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.
mar. 9/237:00 amDTW - DLH
1 stop4h 07mDelta
mié. 10/14:20 pmDLH - DTW
1 stop5h 00mDelta
Deal found 8/26$287
This United Airlines deal was found by Cheapflights users on 8/26. 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.
mar. 9/236:00 amDTW - DLH
2 stops9h 35mUnited Airlines
mié. 10/19:45 amDLH - DTW
1 stop4h 48mUnited Airlines
Deal found 8/26$320
This United Airlines deal was found by Cheapflights users on 8/26. 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.
mié. 9/102:10 pmDTW - DLH
1 stop5h 20mUnited Airlines
dom. 9/149:45 amDLH - DTW
1 stop4h 54mUnited Airlines
Deal found 8/26$343
This United Airlines deal was found by Cheapflights users on 8/25. 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.
mar. 9/96:00 amDTW - DLH
2 stops9h 35mUnited Airlines
sáb. 9/133:10 pmDLH - DTW
1 stop7h 31mUnited Airlines
Deal found 8/25$362
This United Airlines deal was found by Cheapflights users on 8/26. 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.
mié. 9/177:00 amDTW - DLH
1 stop4h 45mUnited Airlines
lun. 9/229:45 amDLH - DTW
1 stop6h 01mUnited Airlines
Deal found 8/26$376

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 agosto 26, 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

mar. 9/23

6:00 am-10:45 am

1 stop5h 45m

Duluth Intl

mar. 9/30

9:45 am-3:33 pm

1 stop4h 48m

$233

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mar. 9/9

7:00 am-10:15 am

1 stop4h 15m

Duluth Intl

sáb. 9/13

5:10 am-11:41 am

1 stop5h 31m

$248

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mié. 9/24

7:00 am-10:07 am

1 stop4h 07m

Duluth Intl

mié. 10/1

4:20 pm-10:20 pm

1 stop5h 00m

$282

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mar. 9/23

7:00 am-10:07 am

1 stop4h 07m

Duluth Intl

mié. 10/1

4:20 pm-10:20 pm

1 stop5h 00m

$287

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mar. 9/23

6:00 am-2:35 pm

2 stops9h 35m

Duluth Intl

mié. 10/1

9:45 am-3:33 pm

1 stop4h 48m

$320

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mié. 9/10

2:10 pm-6:30 pm

1 stop5h 20m

Duluth Intl

dom. 9/14

9:45 am-3:39 pm

1 stop4h 54m

$343

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mar. 9/9

6:00 am-2:35 pm

2 stops9h 35m

Duluth Intl

sáb. 9/13

3:10 pm-11:41 pm

1 stop7h 31m

$362

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mié. 9/17

7:00 am-10:45 am

1 stop4h 45m

Duluth Intl

lun. 9/22

9:45 am-4:46 pm

1 stop6h 01m

$376

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

vie. 10/17

4:20 pm-10:08 pm

1 stop6h 48m

$233

DetroitDuluth

DTW - DLH

DTWDLH

Detroit Metropolitan Wayne County

mar. 9/2

7:45 pm-10:46 pm

1 stop4h 01m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

Showing 1-10 of 14 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 agosto 26, 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 agosto 26, 2025.
Read through reviews of airlines operating flights from Detroit to Duluth, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

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
United Airlines
7.4
Good
8,943 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

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 15m. Your travel time can differ by up to 1h 30m. 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 46% 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 $337). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Minneapolis flights
Detroit to Minneapolis flights
Midway to Minneapolis flights
O'Hare Intl to Duluth flights
Grand Rapids to Minneapolis flights
O'Hare Intl to Fargo flights
O'Hare Intl to Sioux Falls flights
South Bend to Minneapolis flights
Traverse City to Minneapolis flights
Midway to Duluth flights
Midway to Fargo flights
Bay City to Minneapolis flights
Midway to Sioux Falls flights
Flint to Minneapolis flights
O'Hare Intl to Rochester flights
Detroit to Sioux Falls flights
Lansing to Minneapolis flights
Lansing to Sioux Falls flights
Grand Rapids to Fargo flights
Detroit to Fargo flights
Grand Rapids to Duluth flights
Grand Rapids to Sioux Falls flights
Midway to Rochester flights
Kalamazoo to Minneapolis flights
Marquette to Minneapolis flights
Iron Mountain to Minneapolis flights
O'Hare Intl to Mason City flights
Flint to Fargo flights
O'Hare Intl to La Crosse flights
Grand Rapids to Rochester flights
Detroit to Duluth flights
Kalamazoo to Sioux Falls flights
Detroit to Rochester flights
O'Hare Intl to Ironwood flights
Flint to Sioux Falls flights
Muskegon to Minneapolis flights
O'Hare Intl to International Falls flights
South Bend to Duluth flights
Traverse City to Sioux Falls flights
Bay City to Sioux Falls flights
Escanaba to Minneapolis flights
Flint to Rochester flights
O'Hare Intl to Brainerd flights
Lansing to Fargo flights
Traverse City to Rochester flights
Kalamazoo to Rochester flights
Detroit to Bemidji flights
Detroit to La Crosse flights
Flint to Thief River Falls flights

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 agosto 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$338FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.