$265 Cheap Flights from Washington (IAD) to Duluth (DLH)

View $265 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Duluth, MN (DLH-Duluth Intl.)

Cheap Flights from Washington to Duluth (IAD-DLH)

Prices were available within the past 7 days and start at $265 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Apr 29 - Wed, May 6
IAD
Washington
DLH
Duluth
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 29 from Washington to Duluth, returning Wed, May 6, priced at $248 found 1 day ago
Delta
Fri, Dec 5 - Mon, Dec 8
IAD
Washington
DLH
Duluth
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Dec 5 from Washington to Duluth, returning Mon, Dec 8, priced at $254 found 4 days ago
United
Fri, Jan 23 - Fri, Jan 30
IAD
Washington
DLH
Duluth
$262 Roundtrip, found 4 days ago
$262
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington to Duluth, returning Fri, Jan 30, priced at $262 found 4 days ago
Delta
Wed, Nov 26 - Wed, Dec 3
IAD
Washington
DLH
Duluth
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 26 from Washington to Duluth, returning Wed, Dec 3, priced at $273 found 1 day ago
United
Fri, Jan 23 - Fri, Jan 30
IAD
Washington
DLH
Duluth
$276 Roundtrip, found 4 days ago
$276
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington to Duluth, returning Fri, Jan 30, priced at $276 found 4 days ago
United
Wed, Apr 29 - Wed, May 6
IAD
Washington
DLH
Duluth
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 29 from Washington to Duluth, returning Wed, May 6, priced at $295 found 1 day ago
Delta
Thu, Dec 4 - Mon, Dec 8
IAD
Washington
DLH
Duluth
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 4 from Washington to Duluth, returning Mon, Dec 8, priced at $298 found 1 day ago
United
Sun, Dec 21 - Wed, Jan 7
IAD
Washington
DLH
Duluth
$311 Roundtrip, found 6 days ago
$311
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 21 from Washington to Duluth, returning Wed, Jan 7, priced at $311 found 6 days ago
United
Fri, Nov 28 - Tue, Dec 2
IAD
Washington
DLH
Duluth
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select United flight, departing Fri, Nov 28 from Washington to Duluth, returning Tue, Dec 2, priced at $318 found 1 day ago
United
Fri, Jan 23 - Fri, Jan 30
IAD
Washington
DLH
Duluth
$326 Roundtrip, found 4 days ago
$326
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington to Duluth, returning Fri, Jan 30, priced at $326 found 4 days ago

Alternative airports near Duluth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $273
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $273

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH) cost?
Snag a cheap one-way flight from $265 or cheap return flight from $248 from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH)?
Planning your trip for April is a great way to save, as it's the cheapest month for flights between IAD and DLH. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAD to DLH flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH)?
You'll need to book a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAD to DLH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH)?
To land at Duluth Intl. Airport (DLH) on schedule, opt for a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH) last-minute?
Last-minute bookings from IAD to DLH are typically more expensive. For the best rates, start looking for flights as early as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an IAD to DLH flight and hotel package?
You'll typically save money by booking an IAD to DLH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred accommodations and flights, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Duluth Intl. Airport (DLH)?
It's generally possible to reschedule or cancel your IAD to DLH flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$248
Distance
921 mi

Book with confidence

Washington to Duluth Flights

The cheapest times to fly from Washington to Duluth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Duluth are during the month of April. You can find some of the cheapest flights from Washington to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Duluth

Sunday is one of the best days to book for cheap flights from Washington to Duluth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Duluth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Duluth in 2025. You can also book with separate airlines for your outbound and return journeys, from $265 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Duluth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Duluth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Duluth Flights

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*Available to One Key members.