$188 Cheap Flights from Duluth (DLH) to Washington (DCA)

View $188 flight on Fri, Jan 9, 2026Opens in a new window

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

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Cheap Flights from Duluth to Washington (DLH-DCA)

Prices were available within the past 7 days and start at $188 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 18 - Tue, Oct 21
DLH
Duluth
DCA
Washington
$248 Roundtrip, found 3 hours ago
$248
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Oct 18 from Duluth to Washington, returning Tue, Oct 21, priced at $248 found 3 hours ago
Delta
Mon, Jan 26 - Sat, Feb 7
DLH
Duluth
DCA
Washington
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jan 26 from Duluth to Washington, returning Sat, Feb 7, priced at $254 found 3 days ago
United
Fri, Oct 31 - Mon, Nov 3
DLH
Duluth
DCA
Washington
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Duluth to Washington, returning Mon, Nov 3, priced at $257 found 4 days ago
United
Thu, Oct 2 - Thu, Oct 9
DLH
Duluth
DCA
Washington
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 2 from Duluth to Washington, returning Thu, Oct 9, priced at $263 found 2 days ago
United
Fri, Oct 31 - Mon, Nov 3
DLH
Duluth
DCA
Washington
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Duluth to Washington, returning Mon, Nov 3, priced at $266 found 4 days ago
Delta
Mon, Feb 23 - Tue, Mar 10
DLH
Duluth
DCA
Washington
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Feb 23 from Duluth to Washington, returning Tue, Mar 10, priced at $269 found 3 days ago
United
Thu, Oct 2 - Thu, Oct 9
DLH
Duluth
DCA
Washington
$273 Roundtrip, found 2 days ago
$273
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 2 from Duluth to Washington, returning Thu, Oct 9, priced at $273 found 2 days ago
Delta
Fri, Oct 3 - Tue, Oct 7
DLH
Duluth
DCA
Washington
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 3 from Duluth to Washington, returning Tue, Oct 7, priced at $278 found 3 days ago
Delta
Mon, Feb 23 - Sun, Mar 8
DLH
Duluth
DCA
Washington
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Feb 23 from Duluth to Washington, returning Sun, Mar 8, priced at $284 found 3 days ago
United
Thu, Dec 25 - Mon, Jan 5
DLH
Duluth
DCA
Washington
$287 Roundtrip, found 7 hours ago
$287
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Dec 25 from Duluth to Washington, returning Mon, Jan 5, priced at $287 found 7 hours ago

Find the cheapest month to fly from Duluth (DLH) to Washington (DCA)

March is typically the cheapest month to fly

From $248 - $566 per traveler.

Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA) cost?
Get a cheap one-way flight from $188 or cheap return flight from $248 from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from DLH to DCA is October, when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline flying from DLH to DCA, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
There aren't any daily nonstop flights from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from DLH to DCA?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
Book a flight from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA) that leaves before 3 PM to reduce the risk of cancellations. Later departures are on average 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 Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA) last-minute?
Waiting until just before your trip to book your flight from DLH to DCA often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a DLH to DCA flight and hotel package?
You'll generally save money by booking a DLH to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred flights and accommodations, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
Typically, it's possible to cancel or reschedule your DLH to DCA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Duluth Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Delta, United
Roundtrip price
$248
Distance
942 mi

Book with confidence

Book with confidence

Duluth to Washington Flights

The cheapest times to fly from Duluth to Washington

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

 

The best time to book a flight from Duluth to Washington

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

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 Duluth to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $188 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 Duluth to Washington 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 Duluth to Washington 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.

 

Duluth to Washington Flights

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Explore a world of travel with Expedia

*Available to One Key members.