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$416+ Cheap flights from Reagan-National (DCA) to Duluth (DLH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — DLH
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Reagan-National to Duluth

Cheapest flights from Reagan-National to Duluth
Explore the most affordable flight options available from Reagan-National to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:30 am
DCA
-
DLH
1 stop5h 27m
Delta
Tue 7/2812:00 pm
DLH
-
DCA
1 stop5h 00m
Delta
Deal found 1/26$416
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:00 pm
DCA
-
DLH
1 stop4h 59m
United Airlines
Sat 2/143:19 pm
DLH
-
DCA
1 stop4h 40m
United Airlines
Deal found 1/24$449
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:30 am
DCA
-
DLH
1 stop7h 03m
United Airlines
Tue 7/287:53 am
DLH
-
DCA
1 stop5h 06m
United Airlines
Deal found 1/26$475
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:05 pm
DCA
-
DLH
2 stops9h 33m
Delta
Tue 8/184:20 pm
DLH
-
DCA
1 stop6h 08m
Delta
Deal found 1/25$496
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:30 am
DCA
-
DLH
1 stop8h 00m
United Airlines
Sun 2/1511:20 am
DLH
-
DCA
1 stop4h 39m
United Airlines
Deal found 1/27$516
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:54 am
DCA
-
DLH
2 stops6h 50m
Delta
Sun 2/1512:15 pm
DLH
-
DCA
1 stop4h 49m
Delta
Deal found 1/27$523
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:30 am
DCA
-
DLH
1 stop5h 13m
United Airlines
Mon 2/163:19 pm
DLH
-
DCA
1 stop7h 40m
United Airlines
Deal found 1/26$549

Find flight deals from Reagan-National to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Duluth (DLH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$449
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$342
Provider with most accurate pricing for Washington, D.C. Reagan-National-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Duluth Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Duluth Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Duluth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Duluth that are best for you.

Fly from

Reagan-National

Fly to

Duluth

Route

Depart

Return

Price

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Tue 2/10

6:00 pm-9:59 pm

1 stop4h 59m

Duluth Intl

Sat 2/14

3:19 pm-8:59 pm

1 stop4h 40m

$449

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Thu 2/26

7:35 am-11:30 am

1 stop4h 55m

Duluth Intl

Sun 3/1

5:00 am-11:00 am

1 stop5h 00m

$516

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Wed 2/11

7:30 am-2:30 pm

1 stop8h 00m

Duluth Intl

Sun 2/15

11:20 am-4:59 pm

1 stop4h 39m

$516

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Wed 2/11

9:54 am-3:44 pm

2 stops6h 50m

Duluth Intl

Sun 2/15

12:15 pm-6:04 pm

1 stop4h 49m

$523

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Fri 2/13

6:30 am-10:43 am

1 stop5h 13m

Duluth Intl

Mon 2/16

3:19 pm-11:59 pm

1 stop7h 40m

$549

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Fri 2/13

2:32 pm-11:55 pm

2 stops10h 23m

Duluth Intl

Mon 2/16

4:15 pm-11:28 pm

1 stop6h 13m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Compare providers for flights from Reagan-National to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Duluth in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated January 27, 2026.
See what other customers who have flown with Delta from Washington, D.C. Reagan-National Airport to Duluth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,118 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.
Delta
7.9
Good
8,118 reviews
Delta
7.9
Good
8,118 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Marie Antonette,Sep 2023

CDG - MSP

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Duluth from Washington, D.C. Reagan-National?

    Duluth Intl (DLH), located 5.8 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Duluth. 1 airline have flights to Duluth Intl from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Duluth Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Duluth?

    A quick flight from Washington, D.C. Reagan-National Airport to Duluth can take about 4h 55m. United Airlines provides one of the quickest options available for as low as $516. Airlines will cover a distance of 942 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Duluth round-trip?

    According to our current data, Delta ($161), offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Duluth.

  • Can I find deals for flights from Reagan-National to Duluth that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Duluth.

  • Can I find deals for business class flights from Reagan-National to Duluth?

    Yes. Cheapflights offers flight deals from Reagan-National to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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Alternative routes for Reagan-National to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Reagan-National to Duluth

Discover the top airline that operate flights from Reagan-National to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$161Average$358FlexibilityNo cancel feeOn-timeN/A

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