Cheap flight tickets from Denver to Duluth International

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Flight deals from Denver to Duluth International Airport

Looking for a cheap last-minute deal or the best return flight from Denver to Duluth International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Duluth International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Duluth International flights are currently cheapest in September.

Denver to Duluth International: Alternative routes

Compare routes from Denver to Duluth below. You may find an airport to fly into that's cheaper, faster, or easier than Duluth International.

Denver to Duluth: Flight information

The things to know before you go.
Cheapest flight foundRM1,518
Cheapest month to flySeptember

Finding cheap flights from Denver to Duluth International: Frequently asked questions

The best price we found for a return flight from Denver to Duluth International is RM1,518. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver to Duluth International. But we found flights with one stop from RM1,518.
As of March 2026, there are no flights flying from Denver to Duluth International.
The cheapest month to fly from Denver to Duluth International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Duluth International Airport on Friday, 11 September 2026.
No airlines currently offer direct flights between Denver and Duluth International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Duluth International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Duluth is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Duluth International is United .

Flying from Denver to Duluth International Airport (DLH): What you need to know

  • Denver's main airport is Denver International Airport (DEN). Explore your options for departing from this base when booking flights from Denver to Duluth International Airport (DLH).

  • Duluth International Airport is located in Duluth. The city is in the UTC-5 timezone and is one hour ahead of Denver.

  • Your flight from Denver to DLH won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • With more people on the move during high season, you'll want to get to your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you deal with any delays.

Airports in Denver

Denver International Airport (DEN)

  • The journey from central Denver to DEN takes around 1 hour 30 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Looking for a convenient place to stay before your flight from Denver to Duluth International Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's rest here before making your way to Denver International Airport.

  • 80.23% of flights departing from Denver International Airport arrive at their destination as planned. Given its strong on-time performance, you're unlikely to be delayed when setting off from DEN.

  • You'll find DEN at 8500 Pena Boulevard.

About Duluth International Airport (DLH)

Getting from Duluth International Airport (DLH) to central Duluth

  • Duluth International Airport is around 8 kilometres from central Duluth. The time it takes to get to the centre in a cab or car hire will depend on the time of day. Do a little research before your trip.

  • It takes roughly 50 minutes to get there using public transport.

How to find the cheapest flights from Denver to Duluth International Airport (DLH)

  • At the moment, RM616 is the best price we've found for a one-way ticket from Denver to Duluth International Airport. The cheapest price for a return flight is RM1,518. Keep in mind fares may change due to demand at the time of booking.

  • Booking ahead of time is often the key to finding a cheap flight from Denver to DLH. Fares tend to rise as seats fill up, so the closer your departure date, the more it could cost you.

  • If you're flexible with your trip dates, use the 'Whole month' tool. It'll give you the lowest price in every month when searching for your Denver to Duluth International Airport ticket.

  • There's no need to check every day to find out if prices have dropped when you set up a Price Alert. We'll let you know as soon as a lower fare pops up on plane tickets from Denver to DLH.

  • Tailor your flights using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Denver to Duluth International Airport.

The best time to fly from Denver to Duluth International Airport (DLH)

  • October is when most people book flights from Denver to Duluth International Airport (DLH). Plan your visit to Duluth in February if you prefer a quieter experience.

  • The warmest month in Duluth is July, with temperatures ranging between 13ºC (55ºF) and 27ºC (81ºF). Book your Denver to DLH plane ticket then if you enjoy this type of weather.

  • January has temperatures of between -20ºC (-4ºF) and -3ºC (27ºF). Look for cheap tickets from Denver to Duluth International Airport around that time if you like cooler conditions.

More about Duluth

Explore more of the United States

  • Minneapolis is just one of the many cities in the United States waiting to be explored once you've seen Duluth. Around 225 kilometres away to the south, popular attractions include Walker Art Centre, Minneapolis Institute of Arts and Minnehaha Regional Park.

  • Saint Paul is another must-experience destination in the United States and is around 225 kilometres south of Duluth. No trip is complete without experiencing Cathedral of St. Paul, Como Park and Ordway Centre for the Performing Arts.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.