Title: Cheap Flights from Duluth to Denver (DLH to DEN) - Expedia.co.uk ![Denver Colorado downtown with City Park](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Duluth (DLH) to Denver (DEN) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Denver International Airport (DEN) - ![Sun Country Airlines](https://a.travel-assets.com/air/airlines/sy_sq.svg) Sun Country Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:dlh,to:den,departure:07/11/2025TANYT&leg2=from:den,to:dlh,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:dlh,to:den,departure:07/11/2025TANYT&leg2=from:den,to:dlh,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:dlh,to:den,departure:07/11/2025TANYT&leg2=from:den,to:dlh,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Duluth (DLH) to Denver (DEN) ### November is typically the cheapest month to fly From £101 - £325 per traveller. Flight from Duluth to Denver route information | Origin airport | Duluth Intl. | | --- | --- | | Destination airport | Denver Intl. | | Distance | 1264 km | ## Compare flights from Duluth to Denver easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Duluth to Denver. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Duluth Intl. to Denver Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Duluth Intl. (DLH) to Denver Intl. (DEN) The easiest way to view the best deals on flights from Duluth to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Duluth Intl. to Denver Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Duluth and Denver - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Duluth to Denver flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Duluth Intl. to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Duluth Intl. Airport (DLH) to DIA airport? > Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from DLH to Denver Airport start from . Make your booking ASAP to score the best price for your big adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Duluth Intl. Airport (DLH) to Denver Airport? > Each airline has its own terms and conditions. If you decide to cancel your escape, visit our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Duluth Intl. Airport to Denver Intl. Airport (DEN) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Duluth Intl. Airport to Denver Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from DLH to DIA airport? > A flight distance of just 1,250 kilometres separates Duluth and Denver. Once you're up in the skies, you won't have time to do much more than flip through the pages of the in-flight magazine. ### Which airlines fly direct from Duluth Intl. Airport (DLH) to DEN? > There are no direct flights, so you'll have to make at least one stop between Duluth Intl. Airport and Denver Airport. Take advantage of the layover time to stretch your legs and grab a bite to eat. ### Are Duluth Intl. Airport to DEN flight tickets cheaper when they're purchased at the last minute? > It is possible to nab a great last-minute deal from Duluth Intl. Airport (DLH) to DIA airport, but it can also be hit-or-miss. As many airlines release prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. 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