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Dulles Intl

$298+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — IAD
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap 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 March 13, 2026.

This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/97:25 am
DLH
-
IAD
1 stop7h 38m
United Airlines
Thu 4/236:15 am
IAD
-
DLH
1 stop5h 24m
United Airlines
Deal found 3/12$308
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 7/166:10 pm
DLH
-
IAD
1 stop5h 35m
United Airlines
Mon 7/206:10 am
IAD
-
DLH
1 stop5h 33m
United Airlines
Deal found 3/11$349
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/115:00 am
DLH
-
IAD
1 stop5h 48m
United Airlines
Wed 4/156:15 am
IAD
-
DLH
1 stop5h 24m
United Airlines
Deal found 3/8$358
This Delta deal was found by Cheapflights users on 3/8. 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 4/174:29 pm
DLH
-
IAD
1 stop6h 03m
Delta
Wed 4/226:00 am
IAD
-
DLH
1 stop7h 07m
Delta
Deal found 3/8$359
This United Airlines deal was found by Cheapflights users on 3/8. 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 6/66:10 pm
DLH
-
IAD
1 stop5h 35m
United Airlines
Wed 6/103:39 pm
IAD
-
DLH
1 stop7h 14m
United Airlines
Deal found 3/8$373
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 3/276:43 pm
DLH
-
IAD
1 stop4h 16m
United Airlines
Tue 3/316:15 am
IAD
-
DLH
1 stop5h 14m
United Airlines
Deal found 3/12$408

Find 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 March 13, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$308
(United Airlines)

One-way from

$298
(Delta)

Popular in

June

Cheapest in

January

Average price

$261
Provider with most accurate pricing for Duluth Intl-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Washington, D.C. Dulles Intl flights.
Search Deals
From Duluth Intl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Duluth Intl to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 13, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Sat 4/11

5:00 am-11:48 am

1 stop5h 48m

Washington, D.C. Dulles Intl

Wed 4/15

6:15 am-10:39 am

1 stop5h 24m

$358

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Thu 7/16

6:10 pm-12:45 am

1 stop5h 35m

Washington, D.C. Dulles Intl

Mon 7/20

12:55 pm-11:08 pm

2 stops11h 13m

$523
Quickest round-trip

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 6/19

12:00 pm-5:58 pm

1 stop4h 58m

Washington, D.C. Dulles Intl

Mon 7/6

6:40 pm-11:38 pm

1 stop5h 58m

$594
Cheapest one-way

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 8/4

12:00 pm-5:58 pm

1 stop4h 58m

$298

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 8/4

6:10 pm-12:45 am

1 stop5h 35m

$298
Quickest one-way

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Wed 4/29

6:57 pm-12:32 am

1 stop4h 35m

$298

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Wed 4/29

4:29 pm-12:42 am

2 stops7h 13m

$304

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Sat 6/27

5:10 am-11:23 am

1 stop5h 13m

$318

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Sat 6/27

6:25 pm-11:43 am

2 stops16h 18m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Duluth-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Duluth-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Duluth-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Duluth-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia 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. Dulles Intl Airport 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 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 5h 48m. 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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