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$298+ Cheap flights from Dulles Intl (IAD) to Duluth (DLH)

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.
IAD — DLH
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
1 adult, Economy
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Cheap flight deals from Dulles Intl to Duluth

Cheapest flights from Dulles Intl to Duluth
Explore the most affordable flight options available from Dulles Intl to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 10, 2026.

This United Airlines deal was found by Cheapflights users on 7/6. 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 9/236:15 am
IAD
-
DLH
1 stop5h 27m
United Airlines
Sun 9/276:00 am
DLH
-
IAD
1 stop4h 55m
United Airlines
Deal found 7/6$308
This Delta deal was found by Cheapflights users on 7/8. 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.
Tue 9/16:00 am
IAD
-
DLH
1 stop6h 01m
Delta
Sat 9/55:15 am
DLH
-
IAD
2 stops10h 23m
Delta
Deal found 7/8$314
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Tue 9/1510:41 am
IAD
-
DLH
1 stop4h 48m
United Airlines
Mon 9/216:27 pm
DLH
-
IAD
1 stop5h 17m
United Airlines
Deal found 7/8$330
This Delta deal was found by Cheapflights users on 7/8. 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.
Wed 9/236:20 am
IAD
-
DLH
1 stop5h 43m
Delta
Wed 10/77:00 am
DLH
-
IAD
2 stops8h 21m
Delta
Deal found 7/8$339
This Delta deal was found by Cheapflights users on 7/8. 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.
Mon 10/511:10 am
IAD
-
DLH
2 stops9h 15m
Delta
Sun 10/115:14 am
DLH
-
IAD
2 stops9h 35m
Delta
Deal found 7/8$379
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/2910:35 am
IAD
-
DLH
1 stop7h 59m
United Airlines
Sat 9/126:32 pm
DLH
-
IAD
1 stop5h 12m
United Airlines
Deal found 7/9$388
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 8/296:00 am
IAD
-
DLH
1 stop6h 01m
Delta
Sat 9/125:15 am
DLH
-
IAD
2 stops10h 15m
Delta
Deal found 7/8$399
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/176:13 am
IAD
-
DLH
1 stop5h 29m
United Airlines
Sun 9/206:27 pm
DLH
-
IAD
1 stop5h 17m
United Airlines
Deal found 7/7$400
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 8/16:00 am
IAD
-
DLH
1 stop10h 42m
Delta
Tue 8/45:15 am
DLH
-
IAD
1 stop4h 33m
Delta
Deal found 7/5$417

Find flight deals from Dulles Intl to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 July 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(United Airlines)

One-way from

$298
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$450
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Duluth Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Duluth Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Duluth Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 July 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Wed 9/23

6:20 am-11:03 am

1 stop5h 43m

Duluth Intl

Wed 10/7

12:30 pm-6:19 pm

1 stop4h 49m

$308
Quickest round-trip

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Tue 9/15

10:41 am-2:29 pm

1 stop4h 48m

Duluth Intl

Mon 9/21

6:27 pm-12:44 am

1 stop5h 17m

$330

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Sat 8/1

6:00 am-3:42 pm

1 stop10h 42m

Duluth Intl

Tue 8/4

5:15 am-10:48 am

1 stop4h 33m

$417

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Fri 9/4

1:10 pm-5:34 pm

1 stop5h 24m

Duluth Intl

Mon 9/7

6:23 pm-12:44 am

1 stop5h 21m

$496

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Sat 8/1

6:00 am-3:42 pm

1 stop10h 42m

Duluth Intl

Wed 8/5

11:41 am-11:21 pm

1 stop10h 40m

$496

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Sat 8/1

12:55 pm-11:23 pm

2 stops11h 28m

Duluth Intl

Mon 8/3

6:25 pm-12:45 am

1 stop5h 20m

$657

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Tue 7/28

5:30 pm-2:26 pm

2 stops21h 56m

Duluth Intl

Fri 7/31

6:25 pm-7:22 am

2 stops11h 57m

$661

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Fri 7/17

6:46 pm-10:49 pm

1 stop5h 03m

Duluth Intl

Sun 7/19

4:25 pm-11:20 pm

1 stop5h 55m

$667

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Sun 7/26

1:15 pm-5:34 pm

1 stop5h 19m

Duluth Intl

Wed 7/29

11:18 am-7:02 pm

1 stop6h 44m

$707
Cheapest one-way

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Tue 8/4

5:42 pm-11:23 pm

1 stop6h 41m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl 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 Dulles Intl to Duluth in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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. Dulles Intl 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. Dulles Intl Airport-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl 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. Dulles Intl 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 Dulles Intl to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Dulles Intl 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 July 10, 2026.
Read reviews from past customers who have flown United Airlines from Washington, D.C. Dulles Intl Airport to Duluth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,967 reviews

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,967 reviews
United Airlines
7.4
Good
9,967 reviews

Comfort

7.3

Crew

8.1

Food

6.7

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

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

    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. Dulles Intl to Duluth. 1 airline have flights to Duluth Intl from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Duluth Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Duluth in 4h 48m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 921 mi. This flight may include one or multiple stops.

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

    Currently priced at $308, United Airlines will fly you from Washington, D.C. Dulles Intl Airport to Duluth and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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

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Top airline flying from Dulles Intl to Duluth

Discover the top airline that operate flights from Dulles Intl 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 July 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$533FlexibilityNo cancel feeOn-time69%

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