Title: Cheap Flights from Washington to Duluth (DCA to DLH) - Expedia.co.uk ![](https://images.trvl-media.com/place/1029/61b972fc-e66f-4f69-b951-3a5d4c95d36b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1029/61b972fc-e66f-4f69-b951-3a5d4c95d36b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (DCA) to Duluth (DLH) - [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 Ronald Reagan National Airport (DCA) to Duluth, MN (DLH-Duluth Intl.) - ![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:dca,to:dlh,departure:29/09/2025TANYT&leg2=from:dlh,to:dca,departure:06/10/2025TANYT&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:dca,to:dlh,departure:29/09/2025TANYT&leg2=from:dlh,to:dca,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Washington to Duluth route information | Origin airport | Ronald Reagan Washington National | | --- | --- | | Destination airport | Duluth Intl. | | Distance | 1507 km | ## Compare flights from Washington to Duluth easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Duluth. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Duluth Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ronald Reagan Washington National to Duluth 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 Ronald Reagan Washington National (DCA) to Duluth Intl. (DLH) The easiest way to view the best deals on flights from Washington to Duluth 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 Ronald Reagan Washington National to Duluth 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 Washington and Duluth - 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 Washington to Duluth flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ronald Reagan Washington National to Duluth 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 National Airport to Duluth Intl. Airport? > Start packing your bags, because round-trip flights between DCA and Duluth Intl. Airport (DLH) start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from National Airport to DLH? > The majority of flights can be conveniently cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your holiday, follow the easy instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from National Airport to Duluth Intl. Airport 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 National Airport to DLH flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from National Airport to DLH? > The flight distance from DCA to Duluth Intl. Airport (DLH) is 1,500 kilometres. Work your way through your travel song playlist or read a good book and the trip will whiz by. ### Which airlines fly direct from National Airport to DLH? > Unfortunately, there are no airlines that fly directly between National Airport and Duluth Intl. Airport. You'll need to book a flight with at least one stop. ### Are National Airport to DLH flight tickets cheaper when they're purchased at the last minute? > Booking last minute from Ronald Reagan Washington National Airport (DCA) to DLH can be hit-or-miss. You may be able to score a great bargain, but you could also miss out entirely! If you'd prefer to play it safe and start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines release their prices that far in advance. Our top tip? Check back often as updates are made regularly. ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Washington - [Washington to Greensboro (DCA - GSO)](https://expedia.co.uk/lp/flights/dca/gso/washington-to-greensboro) - [Washington to Florence (DCA - FLR)](https://expedia.co.uk/lp/flights/dca/flr/washington-to-florence) - [Washington to Reykjavik (DCA - KEF)](https://expedia.co.uk/lp/flights/dca/kef/washington-to-reykjavik) - [Washington to New York (DCA - JFK)](https://expedia.co.uk/lp/flights/dca/jfk/washington-to-new-york) - [Washington to Nashville (DCA - BNA)](https://expedia.co.uk/lp/flights/dca/bna/washington-to-nashville) - [Washington to London (DCA - LHR)](https://expedia.co.uk/lp/flights/dca/lhr/washington-to-london) - [Washington to Bari (DCA - BRI)](https://expedia.co.uk/lp/flights/dca/bri/washington-to-bari) - [Washington to Orlando (DCA - 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