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

United Airlines and Delta are the most popular carriers operating from Duluth Intl to Washington, D.C.

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

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

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

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

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

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 Duluth Intl Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$237 Cheap Flights from Duluth to Washington, D.C. in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $324 to $342. The lowest price recently found on this route was $248.

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:18 pm - 10:08 pmDLH-DCA

4h 50m1 stop

6:58 pm - 11:59 pmDCA-DLH

6h 01m1 stop

$248Delta

Find Deal

Thu, Nov 20 - Wed, Dec 3

4:18 pm - 11:49 pmDLH-BWI

6h 31m1 stop

6:56 pm - 11:59 pmBWI-DLH

6h 03m1 stop

$248Delta

Find Deal

Thu, Nov 20 - Wed, Dec 3

4:18 pm - 11:52 pmDLH-IAD

6h 34m1 stop

6:56 pm - 11:59 pmIAD-DLH

6h 03m1 stop

$248Delta

Find Deal

Fri, Nov 21 - Wed, Dec 3

4:18 pm - 11:31 pmDLH-DCA

6h 13m1 stop

3:06 pm - 11:59 pmDCA-DLH

9h 53m2 stops

$254Delta

Find Deal

Thu, Nov 20 - Wed, Dec 3

4:18 pm - 12:26 amDLH-BWI

7h 08m2 stops

6:56 pm - 11:59 pmBWI-DLH

6h 03m1 stop

$254Delta

Find Deal

Thu, Nov 20 - Wed, Dec 3

4:18 pm - 12:16 amDLH-IAD

6h 58m2 stops

6:56 pm - 11:59 pmIAD-DLH

6h 03m1 stop

$254Delta

Find Deal

Thu, Nov 20 - Wed, Dec 3

12:01 pm - 11:41 pmDLH-DCA

10h 40m2 stops

3:06 pm - 11:59 pmDCA-DLH

9h 53m2 stops

$259Delta

Find Deal

Fri, Nov 21 - Wed, Dec 3

4:18 pm - 12:26 amDLH-BWI

7h 08m2 stops

6:00 am - 3:44 pmBWI-DLH

10h 44m2 stops

$259Delta

Find Deal

Thu, Nov 20 - Wed, Dec 3

3:06 pm - 10:42 pmDLH-DCA

6h 36m1 stop

6:30 am - 10:38 amDCA-DLH

5h 08m1 stop

$305United Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

3:06 pm - 9:23 pmDLH-IAD

5h 17m1 stop

6:30 am - 10:38 amIAD-DLH

5h 08m1 stop

$310United Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

Delta flights from Duluth to Washington, D.C.

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

Delta

Nov 21

DLH4:18 pmDuluth Intl

6h 34m

1 stop

IAD11:52 pmWashington, D.C. Dulles Intl

Dec 3

IAD6:56 pmWashington, D.C. Dulles Intl

6h 03m

1 stop

DLH11:59 pmDuluth Intl

$248

Find similar

Delta

Nov 20

DLH4:18 pmDuluth Intl

6h 58m

2 stops

IAD12:16 amWashington, D.C. Dulles Intl

Dec 3

IAD6:56 pmWashington, D.C. Dulles Intl

6h 03m

1 stop

DLH11:59 pmDuluth Intl

$254

Find similar

Delta

Feb 20

DLH12:00 pmDuluth Intl

10h 02m

2 stops

IAD11:02 pmWashington, D.C. Dulles Intl

Feb 24

IAD1:00 pmWashington, D.C. Dulles Intl

11h 02m

2 stops

DLH11:02 pmDuluth Intl

$259

Find similar

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

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

United Airlines

Nov 5

DLH3:06 pmDuluth Intl

5h 17m

1 stop

IAD9:23 pmWashington, D.C. Dulles Intl

Nov 12

IAD6:30 amWashington, D.C. Dulles Intl

5h 08m

1 stop

DLH10:38 amDuluth Intl

$263

Find similar

United Airlines

Nov 5

DLH3:06 pmDuluth Intl

6h 36m

1 stop

DCA10:42 pmWashington, D.C. Reagan-National

Nov 9

DCA6:30 amWashington, D.C. Reagan-National

5h 08m

1 stop

DLH10:38 amDuluth Intl

$305

Find similar

United Airlines

Nov 5

DLH3:06 pmDuluth Intl

5h 17m

1 stop

IAD9:23 pmWashington, D.C. Dulles Intl

Nov 9

IAD6:30 amWashington, D.C. Dulles Intl

5h 08m

1 stop

DLH10:38 amDuluth Intl

$310

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 11/20

4:18 pm-10:08 pm

1 stop4h 50m

Washington, D.C. Reagan-National

Wed 12/3

6:58 pm-11:59 pm

1 stop6h 01m

$248

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Thu 11/20

4:18 pm-11:49 pm

1 stop6h 31m

Baltimore/Washington

Wed 12/3

6:56 pm-11:59 pm

1 stop6h 03m

$248

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 11/21

4:18 pm-11:52 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Wed 12/3

6:56 pm-11:59 pm

1 stop6h 03m

$248

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 11/20

4:18 pm-11:31 pm

1 stop6h 13m

Washington, D.C. Reagan-National

Wed 12/3

3:06 pm-11:59 pm

2 stops9h 53m

$254

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Thu 11/20

4:18 pm-12:26 am

2 stops7h 08m

Baltimore/Washington

Wed 12/3

6:56 pm-11:59 pm

1 stop6h 03m

$254

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Thu 11/20

4:18 pm-12:16 am

2 stops6h 58m

Washington, D.C. Dulles Intl

Wed 12/3

6:56 pm-11:59 pm

1 stop6h 03m

$254

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Fri 11/21

12:01 pm-11:41 pm

2 stops10h 40m

Washington, D.C. Reagan-National

Wed 12/3

3:06 pm-11:59 pm

2 stops9h 53m

$259

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Thu 11/20

4:18 pm-12:26 am

2 stops7h 08m

Baltimore/Washington

Wed 12/3

6:00 am-3:44 pm

2 stops10h 44m

$259

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Wed 11/5

3:06 pm-10:42 pm

1 stop6h 36m

Washington, D.C. Reagan-National

Sun 11/9

6:30 am-10:38 am

1 stop5h 08m

$305

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Wed 11/5

3:06 pm-9:23 pm

1 stop5h 17m

Washington, D.C. Dulles Intl

Sun 11/9

6:30 am-10:38 am

1 stop5h 08m

$310

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

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

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

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Duluth is on a Sunday. momondo users have found tickets for Sunday departures for as low as $273. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Duluth to Washington, D.C. for around $518.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Duluth to Washington, D.C. when you can find flight prices for as low as $318. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $485. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Duluth Intl to Washington, D.C. by plane?
There are 934.4 mi between Duluth Intl and Washington, D.C.. By plane, this route typically takes 4h 50m.
When did momondo last update prices for flights from Duluth Intl Airport to Washington, D.C.?
Prices for flights from Duluth Intl Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Duluth Intl Airport to Washington, D.C.?
As of October 2025, there are 2 operators available to choose from for flights from Duluth Intl Airport to Washington, D.C..
How old do you have to be to fly from Duluth Intl Airport to Washington, D.C.?
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 Duluth Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Duluth to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Duluth to Washington, D.C. is United Airlines (52% of total bookings). The next most popular airline is Delta (48%).

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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 7,981 reviews		Search Delta flights
United Airlines	PriceFrom $333	Free Cancellation	Rating 7.4 8,990 reviews		Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Manassas

Reston

Fairfax

Gaithersburg

Glen Burnie

Springfield

Linthicum Heights

Why use momondo?

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

Finding the right flight to Washington, D.C. from Duluth is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Duluth with this policy.

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

Once you have performed a search for Duluth to Washington, D.C. 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 Duluth to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Duluth and alert you when they change.

An easier way to manage your Washington, D.C. 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.

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Fri 11/21

Fri 11/28

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

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Flights to Orlandofrom $54

Flights to Las Vegasfrom $38

Flights to San Franciscofrom $48

Flights to Bostonfrom $58

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Flights to Dallasfrom $49

Flights to Seattlefrom $58

Flights to Denverfrom $52

Cheap flights from Duluth to Washington, D.C. 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 Duluth to Washington, D.C. departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from Duluth to Washington, D.C.

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

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

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

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See travel insights to Washington, D.C. from

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

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 Duluth and Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

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

United Airlines and Delta are the most popular carriers operating from Duluth Intl to Washington, D.C.

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

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

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

Direct flights

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

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

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

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

What documentation or ID do you need to fly to Washington, D.C.?

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

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

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

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. 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

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.