Cheap flight tickets from Denver International to Duluth International

Compare Denver International to Duluth International flight deals

Find the cheapest month or even day of the year to fly to Duluth International

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Flight deals from Denver International to Duluth International

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Duluth International Airport? If you want to travel next month, return fares start from RM1,356. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Duluth International

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

Denver International to Duluth International: Alternative routes

Compare routes from Denver International 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 foundRM656
Cheapest month to flyMay

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

The best price we found for a return flight from Denver International to Duluth International is RM1,176. 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 International to Duluth International. But we found flights with one or more stops from RM1,176.
As of May 2026, there are no flights flying from Denver International to Duluth International.
The cheapest month to fly from Denver International to Duluth International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Duluth International Airport on Tuesday, 25 August 2026.
No airlines currently offer direct flights between Denver International Airport 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.
Currently, United offers the cheapest flight tickets to Duluth International.

Travelling from Denver International Airport (DEN) to Duluth International Airport (DLH): what you need to know

  • To ensure you catch your DEN to DLH flight, leave enough time to check in and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Flying during a peak month like July? Major public holidays and other popular periods can result in longer lines and delays at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • Opt for a stopover if you prefer to break up your flight. Simply uncheck 'Direct flights only' to see your options for tickets from Denver International Airport to Duluth International Airport. Minneapolis-St. Paul International Airport is a popular stopover on the DEN to DLH route.

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

  • The cheapest price we've seen for a one-way Denver International Airport to Duluth International Airport flight is RM660. A return plane ticket right now is RM1,176. Depending on the availability when you book, these fares could change.

  • It's a good idea to book as early as possible if you're hoping to get cheap tickets from DEN to DLH. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • Finding cheap flights from Denver International Airport to Duluth International Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' search tool to see the lowest prices across every month and bag a great deal.

  • Landing cheap flights from DEN to DLH couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as fares go down.

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

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport gets high marks for on-time performance. 80.23% of flights that depart DEN arrive at their destination as scheduled.

  • Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The journey when using public transport will take about 1 hour 30 minutes.

  • Get your flight from Denver International Airport to Duluth International Airport off to an easy start. Just a quick ride from DEN, book a night at Baymont by Wyndham Denver International Airport and be well-rested for the journey ahead.

Arriving at Duluth International Airport (DLH)

Getting from Duluth International Airport (DLH) to central Duluth

  • DLH is located at 4701 Grinden Drive.

  • From Duluth International Airport, Duluth is approximately 10 kilometres away. It takes around 15 minutes to reach the centre driving.

  • If you're taking public transport, expect a journey of around 50 minutes.

When to fly to Duluth International Airport (DLH)

  • It's time to work out your travel dates for your flight from Denver International Airport to Duluth International Airport. September is the most popular month to visit Duluth. If you're after a more laid-back vibe, go in February.

  • Lock in your flight from Denver International Airport to Duluth International Airport for July if you'd like to visit Duluth during its warmest month. Expect temperatures of between 13ºC (55ºF) and 27ºC (81ºF).

  • January has average temperatures of between -20ºC (-4ºF) and -3ºC (27ºF). Look for cheap tickets from DEN to DLH around that time if you want to travel when it's cooler.

Explore more of United States

  • Duluth has its own special appeal, but there are so many other parts of United States just waiting to be explored. Around 225 kilometres south-west of Duluth, a trip to Minneapolis will keep you on the go. Check out popular attractions like Walker Art Centre, Minneapolis Institute of Arts and Minneapolis Sculpture Garden.

  • Saint Paul is another favourite destination in United States and is around 225 kilometres south of Duluth. No trip is complete without a visit to Church Of The Assumption, Como Park Zoo & Conservatory and Circus Juventas.

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