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Washington, D.C.

$204+ Cheap flights from Duluth (DLH) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — WAS
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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Cheap flight deals from Duluth to Washington, D.C.

Cheapest flights from Duluth to Washington, D.C.
Explore the most affordable flight options available from Duluth to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.

This United Airlines deal was found by Cheapflights users on 5/11. 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 10/273:14 pm
DLH
-
DCA
1 stop6h 12m
United Airlines
Wed 11/45:00 pm
DCA
-
DLH
1 stop5h 57m
United Airlines
Deal found 5/11$338
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 10/274:15 pm
DLH
-
DCA
1 stop4h 59m
Delta
Wed 11/43:05 pm
DCA
-
DLH
2 stops8h 43m
Delta
Deal found 5/11$344
This Delta deal was found by Cheapflights users on 5/12. 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.
Sun 7/125:00 am
DLH
-
DCA
2 stops8h 02m
Delta
Fri 8/72:45 pm
DCA
-
DLH
2 stops8h 56m
Delta
Deal found 5/12$349
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/266:25 pm
DLH
-
BWI
1 stop5h 08m
United Airlines
Sat 5/306:45 am
BWI
-
DLH
1 stop4h 58m
United Airlines
Deal found 5/11$358
This Delta deal was found by Cheapflights users on 5/12. 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 6/194:30 pm
DLH
-
IAD
1 stop5h 55m
Delta
Mon 7/66:00 am
IAD
-
DLH
1 stop6h 08m
Delta
Deal found 5/12$383
This deal was found by Cheapflights users on 5/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:12 pm
DLH
-
DCA
1 stop6h 40m
United Airlines
Sun 9/66:30 am
DCA
-
DLH
1 stop5h 12m
United Airlines
Deal found 5/13$388
This deal was found by Cheapflights users on 5/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:45 am
DLH
-
IAD
1 stop5h 10m
United Airlines
Sun 9/66:15 am
IAD
-
DLH
1 stop5h 27m
United Airlines
Deal found 5/13$388
This Delta deal was found by Cheapflights users on 5/12. 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 6/194:30 pm
DLH
-
BWI
1 stop5h 43m
Delta
Mon 7/66:19 am
BWI
-
DLH
1 stop5h 49m
Delta
Deal found 5/12$397
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 5/286:25 pm
DLH
-
IAD
1 stop5h 34m
United Airlines
Mon 6/16:10 am
IAD
-
DLH
1 stop5h 33m
United Airlines
Deal found 5/13$403
This United Airlines deal was found by Cheapflights users on 5/11. 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 9/16:23 pm
DLH
-
IAD
1 stop5h 21m
United Airlines
Sat 9/56:15 am
IAD
-
DLH
1 stop5h 27m
United Airlines
Deal found 5/11$418
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 5/285:00 am
DLH
-
DCA
1 stop5h 59m
United Airlines
Mon 6/16:10 pm
DCA
-
DLH
1 stop6h 13m
United Airlines
Deal found 5/13$431
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 6/67:06 am
DLH
-
BWI
1 stop5h 48m
United Airlines
Wed 6/106:20 am
BWI
-
DLH
1 stop5h 23m
United Airlines
Deal found 5/12$442

Find flight deals from Duluth to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Washington, D.C. (WAS). 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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(United Airlines)

One-way from

$204
(Delta)

Popular in

May

Cheapest in

January

Average price

$651
Provider with most accurate pricing for Duluth Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Washington, D.C. (WAS) flights.
Search Deals
From Duluth Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from Duluth Intl to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Washington, D.C. 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 May 16, 2026.
Use the filters below to find and compare flights from Duluth to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 6/19

4:30 pm-11:25 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Mon 7/6

6:00 am-11:08 am

1 stop6h 08m

$383

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 9/1

7:45 am-1:55 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

Sun 9/6

6:15 am-10:42 am

1 stop5h 27m

$388

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sun 7/12

5:00 am-2:02 pm

2 stops8h 02m

Washington, D.C. Reagan-National

Fri 8/7

2:45 pm-10:41 pm

2 stops8h 56m

$400

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Sat 6/6

7:06 am-1:54 pm

1 stop5h 48m

Baltimore/Washington

Wed 6/10

6:20 am-10:43 am

1 stop5h 23m

$442

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Tue 9/1

7:45 am-1:58 pm

1 stop5h 13m

Baltimore/Washington

Sat 9/5

6:00 am-10:42 am

1 stop5h 42m

$468

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Tue 9/22

5:00 am-11:45 am

1 stop5h 45m

Washington, D.C. Reagan-National

Sat 9/26

11:30 am-5:34 pm

1 stop7h 04m

$477
Quickest round-trip

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Sun 7/12

5:00 am-10:46 am

1 stop4h 46m

Washington, D.C. Dulles Intl

Fri 8/7

6:56 pm-10:41 pm

1 stop4h 45m

$494

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Fri 6/19

4:30 pm-11:13 pm

1 stop5h 43m

Baltimore/Washington

Mon 7/6

5:40 am-3:23 pm

2 stops10h 43m

$588

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 6/6

7:06 am-2:23 pm

1 stop6h 17m

Washington, D.C. Reagan-National

Wed 6/10

6:15 am-10:43 am

1 stop5h 28m

$594

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Tue 7/14

5:00 am-2:56 pm

2 stops8h 56m

Washington, D.C. Reagan-National

Sat 7/18

1:54 pm-10:49 pm

2 stops9h 55m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 23 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Duluth-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Duluth-Washington, D.C. 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 Duluth-Washington, D.C. 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 Duluth to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Duluth 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.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Washington, D.C.

What is the cheapest month to book a flight from Duluth to Washington, D.C.?

Currently, November is the cheapest month in which you can book a flight from Duluth to Washington, D.C. (average of $248). Flying from Duluth to Washington, D.C. in June is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated May 16, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Duluth to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,455 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,726 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Duluth to Washington, D.C.. 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 from for flights from Duluth to Washington, D.C.?

    Duluth Intl (DLH), located 5.8 mi from the city center, is the airport you fly out of when you book flights from Duluth to Washington, D.C.. 2 airlines have flights from Duluth Intl to Washington, D.C. on a regular basis. Booking flights from Duluth Intl to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

  • How long is the flight from Duluth to Washington, D.C.?

    Delta and United Airlines can get you from Duluth to Washington, D.C. in just under 5h 10m. Your travel time can differ by up to 45m. There are 921 mi between Duluth and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Duluth to Washington, D.C. round-trip?

    According to our current data, United Airlines ($248), and Delta ($273) offers the cheapest pricing from Duluth to Washington, D.C.. United Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Duluth to Washington, D.C.?

    Most travelers choose Duluth Intl - Washington, D.C. Dulles Intl, Duluth Intl - Washington, D.C. Reagan-National or Duluth Intl - Baltimore/Washington when deciding on the best route from Duluth to Washington, D.C..

  • Can I find deals for flights from Duluth to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Duluth to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Washington, D.C.?

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

  • Can I find deals for business class flights from Duluth to Washington, D.C.?

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

  • What is the cheapest month to book a flight from Duluth to Washington, D.C.?

    Currently, November is the cheapest month in which you can book a flight from Duluth to Washington, D.C. (average of $248). Flying from Duluth to Washington, D.C. in June is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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Top 2 airlines flying from Duluth to Washington, D.C.

Discover the top 2 airlines that operate flights from Duluth to Washington, D.C.. 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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$377FlexibilityNo cancel feeOn-time69%
DeltaCheapest$273Average$382FlexibilityNo cancel feeOn-timeN/A

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