A pier with a lighthouse and a red-roofed building, extending into calm waters under a colorful sunset sky.

CA $275 Cheap Flights from Denver (DEN) to Duluth (DLH)

View CA $275 flight on Wed, Aug 5, 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to Duluth, MN (DLH-Duluth Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Denver (DEN) to Duluth (DLH)

Prices were available within the past 7 days and start at CA $275 for one-way flights and CA $444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 18 - Tue, Sep 1
DEN
Denver
DLH
Duluth
CA $444 Roundtrip, found 6 days ago
CA $444
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 18 from Denver to Duluth, returning Tue, Sep 1, priced at CA $444 found 6 days ago
Delta
Tue, Aug 18 - Mon, Aug 31
DEN
Denver
DLH
Duluth
CA $473 Roundtrip, found 6 days ago
CA $473
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 18 from Denver to Duluth, returning Mon, Aug 31, priced at CA $473 found 6 days ago
Delta
Sat, Aug 8 - Fri, Aug 21
DEN
Denver
DLH
Duluth
CA $481 Roundtrip, found 6 days ago
CA $481
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 8 from Denver to Duluth, returning Fri, Aug 21, priced at CA $481 found 6 days ago
Delta
Tue, Aug 18 - Sun, Aug 30
DEN
Denver
DLH
Duluth
CA $484 Roundtrip, found 6 days ago
CA $484
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 18 from Denver to Duluth, returning Sun, Aug 30, priced at CA $484 found 6 days ago
Delta
Thu, Aug 20 - Sat, Sep 5
DEN
Denver
DLH
Duluth
CA $496 Roundtrip, found 6 days ago
CA $496
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 20 from Denver to Duluth, returning Sat, Sep 5, priced at CA $496 found 6 days ago
Delta
Mon, Aug 17 - Mon, Aug 31
DEN
Denver
DLH
Duluth
CA $503 Roundtrip, found 6 days ago
CA $503
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Aug 17 from Denver to Duluth, returning Mon, Aug 31, priced at CA $503 found 6 days ago
Delta
Sat, Aug 8 - Thu, Aug 27
DEN
Denver
DLH
Duluth
CA $511 Roundtrip, found 6 days ago
CA $511
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 8 from Denver to Duluth, returning Thu, Aug 27, priced at CA $511 found 6 days ago
Delta
Mon, Aug 17 - Sun, Aug 30
DEN
Denver
DLH
Duluth
CA $513 Roundtrip, found 6 days ago
CA $513
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Aug 17 from Denver to Duluth, returning Sun, Aug 30, priced at CA $513 found 6 days ago
Delta
Sat, Aug 22 - Fri, Sep 4
DEN
Denver
DLH
Duluth
CA $516 Roundtrip, found 6 days ago
CA $516
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 22 from Denver to Duluth, returning Fri, Sep 4, priced at CA $516 found 6 days ago
United
Sat, Aug 15 - Fri, Aug 28
DEN
Denver
DLH
Duluth
CA $538 Roundtrip, found 6 days ago
CA $538
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 15 from Denver to Duluth, returning Fri, Aug 28, priced at CA $538 found 6 days ago

Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city centre is 11 minutes. Flights from CA $603
DLH
Duluth Intl.
CheapestClosest
Average driving time to city centre11 min
Flights from CA $603

Find the cheapest month to fly from Denver (DEN) to Duluth (DLH)

December is typically the cheapest month to fly

From CA $307 - CA $848 per traveller.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) cost?
You can find cheap one-way flights from CA $275 and cheap return flights from CA $444 DEN to DLH with Expedia. Return flights often range between CA$556 and CA$2505. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to DLH ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The cheapest months to fly from DEN to DLH are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Enter DEN to DLH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting return flights from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.), with tickets starting from around CA$312 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
There are approximately 39 connecting flights per day from Denver International (DEN) to Duluth International (DLH). Some common connection points include Minneapolis - St. Paul International (MSP), O'Hare International (ORD), and Kansas City International (MCI).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The earliest flight from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) typically departs around 12:40 AM local time. This service is operated by Delta. This is a seasonal service active only in June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
You'll find the most flights from Denver International Airport (DEN) to Duluth International Airport (DLH) on Sundays, with around 23 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Sun Country Airlines. Sundays offer notably more flight options compared to other days of the week, making it a convenient day to travel.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
The most popular departure times for flights from Denver Intl. (DEN) to Duluth Intl. (DLH) are in the early morning, from 6am to 9am. Many major carriers, including Delta, United and Sun Country Airlines, offer flights during this window. Many travellers prefer these times because it allows for an early start to their journey, getting them to their destination with plenty of day left.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
There are no nonstop flights from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.). The distance between these two airports is approximately 1,271 kilometres. If you're looking for a flight with one stop, you can expect the journey to take around 5 hours 48 minutes. Flights with two or more stops typically take longer, usually around 8 hours 30 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific route, layover times, and weather conditions.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
Yes, you can fly business class or first class between DEN and DLH. You can fly business class with Delta.First class cabins are available on Delta and United.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Duluth, MN (DLH) from Denver, CO (DEN)?
If you're planning to travel to Duluth from Denver Intl. (DEN), you can fly directly into Duluth Intl. (DLH) which offers domestic flights and connections. Some flights may connect through major hubs like Lambert-St. Louis Intl. (STL), Kansas City Intl. (MCI), or Minneapolis - St. Paul Intl. (MSP) before reaching Duluth. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Duluth, MN (DLH-Duluth Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Duluth Intl.
Roundtrip price
CA $444
Distance
1264 km

Book with confidence

Denver to Duluth Flights

The easy way to book your flights from Denver to Duluth 

With Expedia, it’s simple to find and book flights to Duluth from Denver whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Duluth Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Denver to Duluth today, tomorrow, or this week.  

 

Save dollars with cheap flights from Denver Intl., DEN to Duluth Intl., DLH 

Sort your search results by price to find great deals on your flight from Denver to Duluth—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Duluth from Denver currently is just CA $444 rising to CA $538.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Duluth  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Duluth from Denver 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Duluth with Expedia today.

Denver to Duluth Flights

Explore a world of travel with Expedia

*Available to Expedia members.