What is the cheapest airline that flies from Washington, D.C. to Duluth Intl?

United Airlines is the most popular carrier operating from Washington, D.C. to Duluth Intl

How long does it take to fly to Duluth?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Duluth, then you can expect flight times to average 4h 58m and 5h 23m, respectively.

When did momondo last update prices for flights from Washington, D.C. to Duluth Intl Airport?

Prices for flights from Washington, D.C. to Duluth Intl Airport refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Duluth Intl Airport?

As of November 2025, there are 2 operators available to choose from for flights from Washington, D.C. to Duluth Intl Airport.

How old do you have to be to fly from Washington, D.C. to Duluth Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Duluth Intl Airport.

What documentation or ID do you need to fly to Duluth Intl Airport?

The travel and health documents you'll need for your trip to Duluth Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Duluth Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$242 Cheap Flights from Washington, D.C. to Duluth in 2025/26

Q: What is the typical price of a round-trip flight between Washington, D.C. and Duluth?

Prices are currently low for flights on this route. Typical prices usually range from $357 to $625. The lowest price recently found on this route was $248.

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Find the cheapest flights from Washington, D.C. to Duluth

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One-way

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Cheap round-trip flights

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6:00 am - 11:21 amBWI-DLH

6h 21m1 stop

5:00 am - 10:47 amDLH-BWI

4h 47m1 stop

$248Delta

Find Deal

Wed, Nov 26 - Wed, Dec 3

6:05 am - 11:33 amDCA-DLH

6h 28m1 stop

12:00 pm - 10:56 pmDLH-DCA

9h 56m2 stops

$254Delta

Find Deal

Sat, Mar 7 - Wed, Mar 11

12:20 pm - 7:34 pmDCA-DLH

8h 14m2 stops

12:00 pm - 9:13 pmDLH-DCA

8h 13m2 stops

$259Delta

Find Deal

Sat, Mar 7 - Wed, Mar 11

6:05 am - 11:33 amDCA-DLH

6h 28m1 stop

4:20 pm - 11:33 pmDLH-DCA

6h 13m1 stop

$273Delta

Find Deal

Sat, Mar 7 - Wed, Mar 11

6:03 am - 11:21 amIAD-DLH

6h 18m1 stop

12:01 pm - 6:12 pmDLH-IAD

5h 11m1 stop

$282Delta

Find Deal

Thu, Nov 27 - Thu, Dec 4

6:15 am - 10:38 amBWI-DLH

5h 23m1 stop

11:14 am - 5:14 pmDLH-BWI

5h 00m1 stop

$290United Airlines

Find Deal

Fri, Nov 21 - Thu, Nov 27

6:30 am - 10:38 amIAD-DLH

5h 08m1 stop

3:06 pm - 9:22 pmDLH-IAD

5h 16m1 stop

$298United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

6:15 am - 10:38 amBWI-DLH

5h 23m1 stop

3:06 pm - 9:25 pmDLH-BWI

5h 19m1 stop

$298United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

10:30 am - 2:31 pmDCA-DLH

5h 01m1 stop

7:55 am - 2:10 pmDLH-DCA

5h 15m1 stop

$298United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

6:03 am - 11:21 amIAD-DLH

6h 18m1 stop

12:01 pm - 11:19 pmDLH-IAD

10h 18m2 stops

$304Delta

Find Deal

Tue, Nov 18 - Sat, Nov 22

United Airlines flights from Washington, D.C. to Duluth

Our best United Airlines deals on Washington, D.C. to Duluth flight tickets

United Airlines

Nov 21

BWI6:15 amBaltimore/Washington

5h 23m

1 stop

DLH10:38 amDuluth Intl

Nov 27

DLH11:14 amDuluth Intl

5h 00m

1 stop

BWI5:14 pmBaltimore/Washington

$290

Find similar

United Airlines

Nov 18

IAD6:30 amWashington, D.C. Dulles Intl

5h 08m

1 stop

DLH10:38 amDuluth Intl

Nov 22

DLH3:06 pmDuluth Intl

5h 16m

1 stop

IAD9:22 pmWashington, D.C. Dulles Intl

$298

Find similar

United Airlines

Mar 7

IAD6:25 amWashington, D.C. Dulles Intl

5h 19m

1 stop

DLH10:44 amDuluth Intl

Mar 11

DLH11:26 amDuluth Intl

4h 59m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

$318

Find similar

Delta flights from Washington, D.C. to Duluth

Our best Delta deals on Washington, D.C. to Duluth flight tickets

Delta

Nov 26

BWI6:00 amBaltimore/Washington

6h 21m

1 stop

DLH11:21 amDuluth Intl

Dec 3

DLH5:00 amDuluth Intl

4h 47m

1 stop

BWI10:47 amBaltimore/Washington

$248

Find similar

Delta

Mar 7

DCA6:05 amWashington, D.C. Reagan-National

6h 28m

1 stop

DLH11:33 amDuluth Intl

Mar 11

DLH12:00 pmDuluth Intl

9h 56m

2 stops

DCA10:56 pmWashington, D.C. Reagan-National

$254

Find similar

Delta

Mar 7

DCA12:20 pmWashington, D.C. Reagan-National

8h 14m

2 stops

DLH7:34 pmDuluth Intl

Mar 11

DLH12:00 pmDuluth Intl

8h 13m

2 stops

DCA9:13 pmWashington, D.C. Reagan-National

$259

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Wed 11/26

6:00 am-11:21 am

1 stop6h 21m

Duluth Intl

Wed 12/3

5:00 am-10:47 am

1 stop4h 47m

$248

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Sat 3/7

6:05 am-11:33 am

1 stop6h 28m

Duluth Intl

Wed 3/11

12:00 pm-10:56 pm

2 stops9h 56m

$254

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Sat 3/7

12:20 pm-7:34 pm

2 stops8h 14m

Duluth Intl

Wed 3/11

12:00 pm-9:13 pm

2 stops8h 13m

$259

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Sat 3/7

6:05 am-11:33 am

1 stop6h 28m

Duluth Intl

Wed 3/11

4:20 pm-11:33 pm

1 stop6h 13m

$273

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Thu 11/27

6:03 am-11:21 am

1 stop6h 18m

Duluth Intl

Thu 12/4

12:01 pm-6:12 pm

1 stop5h 11m

$282

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Fri 11/21

6:15 am-10:38 am

1 stop5h 23m

Duluth Intl

Thu 11/27

11:14 am-5:14 pm

1 stop5h 00m

$290

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Tue 11/18

6:30 am-10:38 am

1 stop5h 08m

Duluth Intl

Sat 11/22

3:06 pm-9:22 pm

1 stop5h 16m

$298

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Tue 11/18

6:15 am-10:38 am

1 stop5h 23m

Duluth Intl

Sat 11/22

3:06 pm-9:25 pm

1 stop5h 19m

$298

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Tue 11/18

10:30 am-2:31 pm

1 stop5h 01m

Duluth Intl

Sat 11/22

7:55 am-2:10 pm

1 stop5h 15m

$298

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Tue 11/18

6:03 am-11:21 am

1 stop6h 18m

Duluth Intl

Sat 11/22

12:01 pm-11:19 pm

2 stops10h 18m

$304

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How to get the cheapest flight ticket from Washington, D.C. to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Duluth?

What is the cheapest month to fly to Duluth?

The cheapest month to fly to Duluth from Washington, D.C. is in January. Flight prices, which tend to average around $312, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Duluth from Washington, D.C. during September instead. Flights to Duluth in September, while not as cheap as those in January, still average around $318.

What is the cheapest day to depart on your flight to Duluth?

The cheapest day to depart from Washington, D.C. to Duluth is on a Tuesday when prices can be found for as low as $318. On the other hand, Friday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $493.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from Washington, D.C. in the morning is the least expensive time of day to depart. momondo users have found prices as low as $377 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Duluth is in the evening when prices are around $548.

Can stopping save me money on Washington, D.C. to Duluth flights?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. to Duluth flight.

When to book flights from Washington, D.C. to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Duluth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Duluth (WAS to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Duluth

Direct flights	None

There are no direct flights from Washington, D.C. to Duluth. There are no popular flight routes from Washington, D.C. to Duluth.

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How far is Washington, D.C. to Duluth Intl by plane?
Washington, D.C. and Duluth Intl are 934.4 mi apart from one another. Flights usually cover this in 4h 41m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Duluth Intl Airport?
Prices for flights from Washington, D.C. to Duluth Intl Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Duluth Intl Airport?
As of November 2025, there are 2 operators available to choose from for flights from Washington, D.C. to Duluth Intl Airport.
How old do you have to be to fly from Washington, D.C. to Duluth Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The travel and health documents you'll need for your trip to Duluth Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Duluth Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Duluth?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Duluth is Delta, representing 57% of all bookings. The subsequent popular airline is United Airlines at 43%.

Best airlines flying from Washington, D.C. to Duluth

Compare and see reviews for airlines that fly from Washington, D.C. to Duluth with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $161	Free Cancellation	Rating 7.9 8,003 reviews		Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,002 reviews		Search United Airlines flights

Two Harbors

Hayward

Superior

Cloquet

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Why should I use momondo to find a flight deal from Washington, D.C. to Duluth?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Duluth. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Duluth with flexible booking policies on momondo?

momondo does allow users to show only those flights to Duluth from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Duluth?

Once you have performed a search for Washington, D.C. to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Duluth right now. Can momondo alert me if prices change?

Price alerts on flights to Duluth from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. to Duluth from $248

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Duluth departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Washington, D.C. to Duluth

Our best United Airlines deals on Washington, D.C. to Duluth flight tickets

Delta flights from Washington, D.C. to Duluth

Our best Delta deals on Washington, D.C. to Duluth flight tickets

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How to get the cheapest flight ticket from Washington, D.C. to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Duluth?

What is the cheapest month to fly to Duluth?

What is the cheapest day to depart on your flight to Duluth?

What is the cheapest time of day to depart on your flight to Duluth?

Can stopping save me money on Washington, D.C. to Duluth flights?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. to Duluth flight.

What is the cheapest airline that flies from Washington, D.C. to Duluth Intl?

United Airlines is the most popular carrier operating from Washington, D.C. to Duluth Intl

How long does it take to fly to Duluth?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Duluth, then you can expect flight times to average 4h 58m and 5h 23m, respectively.

When to book flights from Washington, D.C. to Duluth

Cheap Washington, D.C. to Duluth (WAS to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Duluth

Direct flights

How far is Washington, D.C. to Duluth Intl by plane?

When did momondo last update prices for flights from Washington, D.C. to Duluth Intl Airport?

How many operators does momondo search for flights from Washington, D.C. to Duluth Intl Airport?

How old do you have to be to fly from Washington, D.C. to Duluth Intl Airport?

What documentation or ID do you need to fly to Duluth Intl Airport?

What is the most popular airline from Washington, D.C. to Duluth?

Best airlines flying from Washington, D.C. to Duluth

Compare and see reviews for airlines that fly from Washington, D.C. to Duluth with momondo

Traveling to a place near Duluth?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Duluth?

Can I find flights from Washington, D.C. to Duluth with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Duluth?

I’m not ready to book a flight from Washington, D.C. to Duluth right now. Can momondo alert me if prices change?

An easier way to manage your Duluth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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