$265 Cheap Flights from Washington (DCA) to Duluth (DLH)

View $265 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Duluth, MN (DLH-Duluth Intl.)

Cheap Flights from Washington to Duluth (DCA-DLH)

Prices were available within the past 7 days and start at $265 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Dec 14 - Sat, Dec 20
DCA
Washington
DLH
Duluth
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Dec 14 from Washington to Duluth, returning Sat, Dec 20, priced at $248 found 2 days ago
Delta
Mon, Nov 24 - Thu, Dec 11
DCA
Washington
DLH
Duluth
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 24 from Washington to Duluth, returning Thu, Dec 11, priced at $254 found 3 days ago
Delta
Mon, Nov 24 - Sun, Dec 7
DCA
Washington
DLH
Duluth
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 24 from Washington to Duluth, returning Sun, Dec 7, priced at $259 found 6 days ago
Delta
Wed, Dec 17 - Sat, Dec 20
DCA
Washington
DLH
Duluth
$260 Roundtrip, found 6 days ago
$260
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Dec 17 from Washington to Duluth, returning Sat, Dec 20, priced at $260 found 6 days ago
Delta
Thu, Jan 1 - Wed, Jan 21
DCA
Washington
DLH
Duluth
$269 Roundtrip, found 4 days ago
$269
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 1 from Washington to Duluth, returning Wed, Jan 21, priced at $269 found 4 days ago
United
Thu, Nov 13 - Thu, Nov 20
DCA
Washington
DLH
Duluth
$273 Roundtrip, found 2 hours ago
$273
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Nov 13 from Washington to Duluth, returning Thu, Nov 20, priced at $273 found 2 hours ago
Delta
Tue, Dec 30 - Fri, Jan 9
DCA
Washington
DLH
Duluth
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 30 from Washington to Duluth, returning Fri, Jan 9, priced at $282 found 4 days ago
Delta
Thu, Feb 5 - Tue, Feb 24
DCA
Washington
DLH
Duluth
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Feb 5 from Washington to Duluth, returning Tue, Feb 24, priced at $283 found 4 days ago
Delta
Thu, Jan 8 - Mon, Jan 26
DCA
Washington
DLH
Duluth
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 8 from Washington to Duluth, returning Mon, Jan 26, priced at $289 found 4 days ago
United
Thu, Nov 13 - Thu, Nov 20
DCA
Washington
DLH
Duluth
$293 Roundtrip, found 2 hours ago
$293
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Nov 13 from Washington to Duluth, returning Thu, Nov 20, priced at $293 found 2 hours ago

Alternative airports near Duluth

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

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $273
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $273
Flights from Washington (DCA) to Duluth (DLH)
Origin airport
Ronald Reagan Washington National
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$248
Distance
942 mi

Washington to Duluth Flights

The cheapest times to fly from Washington to Duluth

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 Washington to Duluth are during the month of December. You can find some of the cheapest flights from Washington to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Duluth

Sunday is one of the best days to book for cheap flights from Washington to Duluth: 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 Washington to Duluth

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 Washington to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from $265 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 Washington to Duluth 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 Washington to Duluth 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.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH) cost?
Snag a cheap one-way flight from $265 or cheap return flight from $248 from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH)?
Flying in December is a good way to save, as it's the cheapest month for flights between DCA and DLH. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DCA to DLH. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH)?
Direct flights from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DCA to DLH?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH) route, travel before 3 PM. Later flights are 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 Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH) last-minute?
Last-minute fares from DCA to DLH are usually more expensive. To lock in the cheapest rates, start searching for flights well ahead of time. That said, if your travel plans are flexible, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a DCA to DLH flight and hotel package?
Compared with arranging hotels and flights separately, booking a DCA to DLH flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Duluth Intl. Airport (DLH)?
If you booked your DCA to DLH flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.