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Dulles Intl

$263+ Cheap flights from Duluth (DLH) to Dulles Intl (IAD)

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Duluth to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Dulles Intl (IAD). 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

$292
(Delta)

One-way from

$263
(United Airlines)

Popular in

June

Cheapest in

March

Average price

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

Cheapest flights from Duluth to Dulles Intl
Explore the most affordable flight options available from Duluth to Dulles Intl. 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 9/11. 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 9/11. 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.
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
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 - IAD
1 stop6h 18mDelta
Tue 9/309:50 amIAD - DLH
2 stops6h 50mDelta
Deal found 9/11$502
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:01 pmDLH - IAD
2 stops10h 07mDelta
Fri 12/127:01 amIAD - DLH
2 stops9h 43mDelta
Deal found 9/10$533
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.
Fri 10/249:45 amDLH - IAD
1 stop5h 12mUnited Airlines
Mon 10/278:42 amIAD - DLH
2 stops6h 49mUnited Airlines
Deal found 9/10$536
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.
Mon 10/69:45 amDLH - IAD
1 stop6h 52mUnited Airlines
Thu 10/96:30 amIAD - DLH
1 stop5h 15mUnited Airlines
Deal found 9/11$542
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.
Mon 10/65:18 amDLH - IAD
1 stop5h 08mDelta
Thu 10/96:18 amIAD - DLH
1 stop6h 04mDelta
Deal found 9/11$570
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 10/244:10 pmDLH - IAD
1 stop6h 30mDelta
Mon 10/276:18 amIAD - DLH
1 stop6h 04mDelta
Deal found 9/11$578

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Dulles Intl 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. Dulles Intl Airport that are best for you.

Fly from

Duluth

Fly to

Dulles Intl

Route

Depart

Return

Price

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 - 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

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 - IAD

DLHIAD

Duluth Intl

Tue 12/9

2:57 pm-9:18 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

Fri 12/12

8:45 am-2:22 pm

2 stops6h 37m

$496

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 9/26

4:20 pm-11:38 pm

1 stop6h 18m

Washington, D.C. Dulles Intl

Tue 9/30

9:50 am-3:40 pm

2 stops6h 50m

$502

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 12/9

12:01 pm-11:08 pm

2 stops10h 07m

Washington, D.C. Dulles Intl

Fri 12/12

7:01 am-3:44 pm

2 stops9h 43m

$533

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Sun 10/12

11:20 am-12:21 am

1 stop12h 01m

$263

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Sat 9/27

8:00 am-3:58 pm

1 stop6h 58m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Duluth to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Dulles Intl. 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. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Duluth, you will be flying from Duluth Intl, which is the city’s only airport. Duluth Intl (DLH) is located 5.8 mi from the center of Duluth. There are 0 flights from Duluth Intl to Washington, D.C. Dulles Intl per day from 0 different airlines.

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

    Departing from Duluth to Washington, D.C. Dulles Intl Airport will take you 6h 15m. The distance from Duluth to Washington, D.C. Dulles Intl Airport is about 921 mi.

  • Can I find deals for flights from Duluth to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Duluth to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Dulles Intl?

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

  • Can I find deals for business class flights from Duluth to Dulles Intl?

    Yes. Cheapflights offers flight deals from Duluth to Dulles Intl 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. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Duluth to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Duluth to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport 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

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