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

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

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

Prices for flights from Duluth Intl Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

There are 2 operators available for flights from Duluth Intl Airport to Washington, D.C. Reagan-National Airport as of April 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Duluth Intl Airport to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$308 Cheap Flights from Duluth to Washington, D.C. Reagan-National Airport in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $725 to $525. The lowest price recently found on this route was $328.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:08 pm - 8:43 pm

DLH

DCA

4h 35m

1 stop

1:00 pm - 5:32 pm

DCA

DLH

5h 32m

1 stop

$328United Airlines

Tue, Sep 1 - Sun, Sep 6

7:03 am - 1:04 pm

DLH

DCA

5h 01m

1 stop

7:10 pm - 11:08 pm

DCA

DLH

4h 58m

1 stop

$339United Airlines

Thu, Jun 11 - Tue, Jun 16

11:18 am - 8:10 pm

DLH

DCA

7h 52m

1 stop

7:10 pm - 11:08 pm

DCA

DLH

4h 58m

1 stop

$340United Airlines

Sat, Jun 13 - Tue, Jun 16

7:03 am - 1:04 pm

DLH

DCA

5h 01m

1 stop

7:10 pm - 11:38 pm

DCA

DLH

5h 28m

1 stop

$342United Airlines

Fri, Jul 31 - Sun, Aug 2

12:46 pm - 6:03 pm

DLH

DCA

4h 17m

1 stop

6:05 am - 12:04 pm

DCA

DLH

6h 59m

1 stop

$343Delta

Sat, May 9 - Tue, May 12

12:46 pm - 11:44 pm

DLH

DCA

9h 58m

2 stops

6:05 am - 12:04 pm

DCA

DLH

6h 59m

1 stop

$349Delta

Sat, May 9 - Tue, May 12

4:30 pm - 10:02 pm

DLH

DCA

4h 32m

1 stop

3:00 pm - 7:26 pm

DCA

DLH

5h 26m

1 stop

$358Delta

Thu, Jul 30 - Mon, Aug 3

12:46 pm - 11:44 pm

DLH

DCA

9h 58m

2 stops

2:45 pm - 10:44 pm

DCA

DLH

8h 59m

2 stops

$389Delta

Sat, May 9 - Tue, May 12

3:03 pm - 9:10 pm

DLH

DCA

5h 07m

1 stop

8:25 am - 2:28 pm

DCA

DLH

7h 03m

1 stop

$408United Airlines

Sat, Jun 6 - Wed, Jun 10

5:05 am - 11:02 am

DLH

DCA

4h 57m

1 stop

6:00 am - 11:07 am

DCA

DLH

6h 07m

1 stop

$418Delta

Wed, Jun 10 - Sat, Jun 13

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Delta flights from Duluth to Washington, D.C. Reagan-National Airport

Our best Delta deals on Duluth to Washington, D.C. Reagan-National Airport flight tickets

Delta

May 9

DLH12:46 pmDuluth Intl

4h 17m

1 stop

DCA6:03 pmWashington, D.C. Reagan-National

May 12

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

6h 59m

1 stop

DLH12:04 pmDuluth Intl

$343

Delta

May 9

DLH12:46 pmDuluth Intl

9h 58m

2 stops

DCA11:44 pmWashington, D.C. Reagan-National

May 12

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

6h 59m

1 stop

DLH12:04 pmDuluth Intl

$349

Delta

Jul 30

DLH4:30 pmDuluth Intl

4h 32m

1 stop

DCA10:02 pmWashington, D.C. Reagan-National

Aug 3

DCA3:00 pmWashington, D.C. Reagan-National

5h 26m

1 stop

DLH7:26 pmDuluth Intl

$358

United Airlines flights from Duluth to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Duluth to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

Sep 1

DLH3:08 pmDuluth Intl

4h 35m

1 stop

DCA8:43 pmWashington, D.C. Reagan-National

Sep 6

DCA1:00 pmWashington, D.C. Reagan-National

5h 32m

1 stop

DLH5:32 pmDuluth Intl

$328

United Airlines

Jun 11

DLH7:03 amDuluth Intl

5h 01m

1 stop

DCA1:04 pmWashington, D.C. Reagan-National

Jun 16

DCA7:10 pmWashington, D.C. Reagan-National

4h 58m

1 stop

DLH11:08 pmDuluth Intl

$339

United Airlines

Jun 13

DLH11:18 amDuluth Intl

7h 52m

1 stop

DCA8:10 pmWashington, D.C. Reagan-National

Jun 16

DCA7:10 pmWashington, D.C. Reagan-National

4h 58m

1 stop

DLH11:08 pmDuluth Intl

$340

momondo Fare Finder

Use the filters below to find and compare flights from Duluth to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Tue 9/1

3:08 pm-8:43 pm

1 stop4h 35m

Washington, D.C. Reagan-National

Sun 9/6

1:00 pm-5:32 pm

1 stop5h 32m

$328

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 6/11

7:03 am-1:04 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Tue 6/16

7:10 pm-11:08 pm

1 stop4h 58m

$339

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 6/13

11:18 am-8:10 pm

1 stop7h 52m

Washington, D.C. Reagan-National

Tue 6/16

7:10 pm-11:08 pm

1 stop4h 58m

$340

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Fri 7/31

7:03 am-1:04 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Sun 8/2

7:10 pm-11:38 pm

1 stop5h 28m

$342

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 5/9

12:46 pm-6:03 pm

1 stop4h 17m

Washington, D.C. Reagan-National

Tue 5/12

6:05 am-12:04 pm

1 stop6h 59m

$343

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 5/9

12:46 pm-11:44 pm

2 stops9h 58m

Washington, D.C. Reagan-National

Tue 5/12

6:05 am-12:04 pm

1 stop6h 59m

$349

Quickest round-trip

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 7/30

4:30 pm-10:02 pm

1 stop4h 32m

Washington, D.C. Reagan-National

Mon 8/3

3:00 pm-7:26 pm

1 stop5h 26m

$358

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 5/9

12:46 pm-11:44 pm

2 stops9h 58m

Washington, D.C. Reagan-National

Tue 5/12

2:45 pm-10:44 pm

2 stops8h 59m

$389

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 6/6

3:03 pm-9:10 pm

1 stop5h 07m

Washington, D.C. Reagan-National

Wed 6/10

8:25 am-2:28 pm

1 stop7h 03m

$408

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Wed 6/10

5:05 am-11:02 am

1 stop4h 57m

Washington, D.C. Reagan-National

Sat 6/13

6:00 am-11:07 am

1 stop6h 07m

$418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Duluth to Washington, D.C. Reagan-National Airport

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. Reagan-National Airport?

When to book flights from Duluth to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Duluth to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (DLH to DCA) flight deals and tips

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

Fastest flight time	4h 15m
Direct flights	None

The fastest flight from Duluth to Washington, D.C. Reagan-National Airport takes 4h 15m

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

Search flight deals

Frequently asked questions about flying from Duluth to Washington, D.C. Reagan-National Airport

How far is Duluth Intl to Washington, D.C. Reagan-National by plane?
Washington, D.C. Reagan-National is 936.7 mi away from Duluth Intl. Flights usually cover this in 4h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Duluth Intl Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Duluth Intl Airport to Washington, D.C. Reagan-National Airport are updated daily.
How many operators does momondo search for flights from Duluth Intl Airport to Washington, D.C. Reagan-National Airport?
There are 2 operators available for flights from Duluth Intl Airport to Washington, D.C. Reagan-National Airport as of April 2026.
How old do you have to be to fly from Duluth Intl Airport to Washington, D.C. Reagan-National Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Duluth Intl Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Duluth to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Duluth and Washington, D.C. Reagan-National Airport, the leading airline is United Airlines, making up 56% of the total bookings. Other popular airlines include Delta with 44%.

Best airlines flying from Duluth to Washington, D.C. Reagan-National Airport

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,613 reviews		Search United Airlines flights
Delta	PriceFrom $273	Free Cancellation	Rating 7.9 8,434 reviews		Search Delta flights

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Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

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Tysons

Bethesda

Springfield

Fairfax

College Park

Why use momondo?

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

It is quick and easy to find Duluth to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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.?

momondo helps you find the best flight between Duluth and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 not ready to book a flight from Duluth to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Cheap flights from Duluth to Washington, D.C. from $308

This is the cheapest one-way 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 8/4. 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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Delta flights from Duluth to Washington, D.C. Reagan-National Airport

Our best Delta deals on Duluth to Washington, D.C. Reagan-National Airport flight tickets

United Airlines flights from Duluth to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Duluth to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport

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

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

When to book flights from Duluth to Washington, D.C. Reagan-National Airport

Cheap Duluth to Washington, D.C. Reagan-National Airport (DLH to DCA) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Duluth to Washington, D.C. Reagan-National Airport

Best airlines flying from Duluth to Washington, D.C. Reagan-National Airport

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

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

Why use momondo?

An easier way to manage your Washington, D.C. Reagan-National Airport trip

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Find better results for your trip to Washington, D.C.

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