Washington, D.C.

$170+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — WAS
Oct 11 — Oct 181
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Cheap 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 September 11, 2025.

Round-trip from

$248
(Delta)

One-way from

$170
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$291
From Duluth Intl to Washington, D.C. (WAS)
One-way flight from Duluth Intl to Washington, D.C. (WAS)
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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 10/89:45 amDLH - BWI
1 stop6h 41mUnited Airlines
Sun 10/126:29 amBWI - DLH
1 stop5h 16mUnited Airlines
Deal found 9/9$258
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/259:45 amDLH - DCA
1 stop5h 06mUnited Airlines
Sun 9/282:00 pmDCA - DLH
1 stop5h 37mUnited Airlines
Deal found 9/10$348
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 9/264:20 pmDLH - BWI
1 stop6h 29mDelta
Tue 9/306:15 amBWI - DLH
1 stop4h 52mDelta
Deal found 9/11$363
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/92:57 pmDLH - DCA
1 stop6h 45mUnited Airlines
Fri 12/123:30 pmDCA - DLH
1 stop7h 29mUnited Airlines
Deal found 9/10$376
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/268:00 amDLH - DCA
1 stop5h 16mUnited Airlines
Tue 9/306:25 amDCA - DLH
1 stop9h 07mUnited Airlines
Deal found 9/11$387
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/269:45 amDLH - IAD
1 stop5h 12mUnited Airlines
Tue 9/306:30 amIAD - DLH
1 stop9h 02mUnited Airlines
Deal found 9/11$387
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/68:00 amDLH - BWI
1 stop5h 08mUnited Airlines
Thu 10/910:51 amBWI - DLH
1 stop4h 41mUnited Airlines
Deal found 9/10$435
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/279:45 amDLH - IAD
1 stop5h 13mUnited Airlines
Wed 10/18:20 amIAD - DLH
1 stop7h 12mUnited Airlines
Deal found 9/11$439
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/69:45 amDLH - DCA
1 stop6h 16mUnited Airlines
Thu 10/92:00 pmDCA - DLH
1 stop5h 37mUnited Airlines
Deal found 9/10$472
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/278:00 amDLH - DCA
1 stop5h 01mUnited Airlines
Wed 10/18:30 amDCA - DLH
1 stop7h 02mUnited Airlines
Deal found 9/11$488
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/64:10 pmDLH - BWI
1 stop6h 39mDelta
Wed 10/86:00 amBWI - DLH
1 stop6h 22mDelta
Deal found 9/9$489
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/92:57 pmDLH - IAD
1 stop5h 21mUnited Airlines
Fri 12/128:45 amIAD - DLH
2 stops6h 37mUnited Airlines
Deal found 9/10$496

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 September 11, 2025.
Use the filters below to find and compare flights from Duluth to Washington, D.C. that are best for you.

Fly from

Duluth

Fly to

Washington, D.C.

Route

Depart

Return

Price

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Wed 10/8

9:45 am-5:26 pm

1 stop6h 41m

Baltimore/Washington

Sun 10/12

6:29 am-10:45 am

1 stop5h 16m

$258

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 2/20

4:20 pm-11:35 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Tue 2/24

2:15 pm-7:37 pm

1 stop6h 22m

$292

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Fri 2/27

4:20 pm-11:33 pm

1 stop6h 13m

Washington, D.C. Reagan-National

Mon 3/2

6:10 am-11:07 am

1 stop5h 57m

$296

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 2/27

4:20 pm-9:11 am

2 stops15h 51m

Washington, D.C. Dulles Intl

Mon 3/2

6:15 am-11:07 am

1 stop5h 52m

$330

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Fri 9/26

4:20 pm-11:49 pm

1 stop6h 29m

Baltimore/Washington

Tue 9/30

6:15 am-10:07 am

1 stop4h 52m

$363

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Tue 12/9

2:57 pm-10:42 pm

1 stop6h 45m

Washington, D.C. Reagan-National

Fri 12/12

3:30 pm-9:59 pm

1 stop7h 29m

$376

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Mon 10/6

8:00 am-2:08 pm

1 stop5h 08m

Baltimore/Washington

Thu 10/9

10:51 am-2:32 pm

1 stop4h 41m

$435

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Sat 9/27

9:45 am-3:58 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Wed 10/1

8:20 am-2:32 pm

1 stop7h 12m

$439

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 9/27

8:00 am-2:01 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Wed 10/1

8:30 am-2:32 pm

1 stop7h 02m

$488

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Mon 10/6

4:10 pm-11:49 pm

1 stop6h 39m

Baltimore/Washington

Wed 10/8

6:00 am-11:22 am

1 stop6h 22m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 30 results
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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, August is the cheapest month in which you can book a flight from Duluth to Washington, D.C. (average of $292). Flying from Duluth to Washington, D.C. in April is currently the most expensive (average of $337). 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 September 11, 2025.
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.
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.?

    United Airlines and Delta can get you from Duluth to Washington, D.C. in just under 6h 15m. Your travel time can differ by up to 26m. 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, Delta ($263), and United Airlines ($333) offers the cheapest pricing from Duluth to Washington, D.C.. Delta is priced at 32% 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.?

  • 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, August is the cheapest month in which you can book a flight from Duluth to Washington, D.C. (average of $292). Flying from Duluth to Washington, D.C. in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$363FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$333Average$433FlexibilityNo cancel feeOn-time69%

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