$68 Cheap Flights from Duluth (DLH) to Denver (DEN)

View $68 flight on Thu, Nov 20, 2025Opens in a new window

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

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Cheap Flights from Duluth to Denver (DLH-DEN)

Prices were available within the past 7 days and start at $68 for one-way flights and $136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Fri, Dec 19 - Thu, Dec 25
DLH
Duluth
DEN
Denver
$136 Roundtrip, found 18 hours ago
$136
Roundtrip
found 18 hours ago
Select Sun Country Airlines flight, departing Fri, Dec 19 from Duluth to Denver, returning Thu, Dec 25, priced at $136 found 18 hours ago
Sun Country Airlines
Fri, Nov 7 - Sun, Nov 16
DLH
Duluth
DEN
Denver
$146 Roundtrip, found 1 day ago
$146
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Fri, Nov 7 from Duluth to Denver, returning Sun, Nov 16, priced at $146 found 1 day ago
Sun Country Airlines
Fri, Nov 7 - Sun, Nov 9
DLH
Duluth
DEN
Denver
$176 Roundtrip, found 9 hours ago
$176
Roundtrip
found 9 hours ago
Select Sun Country Airlines flight, departing Fri, Nov 7 from Duluth to Denver, returning Sun, Nov 9, priced at $176 found 9 hours ago
Sun Country Airlines
Sun, Nov 9 - Sun, Nov 16
DLH
Duluth
DEN
Denver
$186 Roundtrip, found 1 day ago
$186
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Sun, Nov 9 from Duluth to Denver, returning Sun, Nov 16, priced at $186 found 1 day ago
Sun Country Airlines
Thu, Jan 22 - Mon, Jan 26
DLH
Duluth
DEN
Denver
$193 Roundtrip, found 16 hours ago
$193
Roundtrip
found 16 hours ago
Select Sun Country Airlines flight, departing Thu, Jan 22 from Duluth to Denver, returning Mon, Jan 26, priced at $193 found 16 hours ago
Sun Country Airlines
Thu, Jan 22 - Mon, Jan 26
DLH
Duluth
DEN
Denver
$196 Roundtrip, found 3 days ago
$196
Roundtrip
found 3 days ago
Select Sun Country Airlines flight, departing Thu, Jan 22 from Duluth to Denver, returning Mon, Jan 26, priced at $196 found 3 days ago
Sun Country Airlines
Mon, Dec 22 - Sun, Dec 28
DLH
Duluth
DEN
Denver
$206 Roundtrip, found 2 days ago
$206
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Mon, Dec 22 from Duluth to Denver, returning Sun, Dec 28, priced at $206 found 2 days ago
Delta
Tue, Jan 13 - Wed, Jan 14
DLH
Duluth
DEN
Denver
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 13 from Duluth to Denver, returning Wed, Jan 14, priced at $216 found 1 day ago
Sun Country Airlines
Fri, Dec 19 - Sun, Dec 21
DLH
Duluth
DEN
Denver
$226 Roundtrip, found 4 days ago
$226
Roundtrip
found 4 days ago
Select Sun Country Airlines flight, departing Fri, Dec 19 from Duluth to Denver, returning Sun, Dec 21, priced at $226 found 4 days ago
United
Fri, Nov 14 - Tue, Nov 18
DLH
Duluth
DEN
Denver
$238 Roundtrip, found 6 days ago
$238
Roundtrip
found 6 days ago
Select United flight, departing Fri, Nov 14 from Duluth to Denver, returning Tue, Nov 18, priced at $238 found 6 days ago

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

November is typically the cheapest month to fly

From $136 - $437 per traveler.

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $288
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $288

Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN) cost?
Lock in a cheap one-way flight from $68 or cheap return flight from $136 from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN)?
The cheapest month to fly from DLH to DEN is December, when demand is low. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DLH to DEN flight.
How many flights per day from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN)?
There aren't any daily direct flights departing from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from DLH to DEN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN)?
Choose a flight from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN) last-minute?
Last-minute fares from DLH to DEN are generally more expensive. To secure the lowest rates, start searching for flights early. That said, if you can play around with your travel dates, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a DLH to DEN flight and hotel package?
Opting for a DLH to DEN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN)?
It's generally possible to cancel or reschedule your DLH to DEN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Duluth Intl.
Destination airport
Denver Intl.
Airlines serving
Delta, Sun Country Airlines, United
Roundtrip price
$136
Distance
790 mi

Book with confidence

Duluth to Denver Flights

The cheapest times to fly from Duluth to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Duluth to Denver are during the month of December. You can find some of the cheapest flights from Duluth to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Duluth to Denver

Sunday is one of the best days to book for cheap flights from Duluth to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Duluth to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Duluth to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $68 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Duluth to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Duluth to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Duluth to Denver Flights

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*Available to One Key members.