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 June 2026, 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.

$180 Cheap Flights from Duluth to Washington, D.C. in 2026

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.

6:23 pm - 12:44 am

DLH

IAD

5h 21m

1 stop

6:16 am - 10:42 am

IAD

DLH

5h 26m

1 stop

$318United Airlines

Tue, Aug 25 - Sun, Aug 30

5:00 am - 11:00 am

DLH

DCA

5h 00m

1 stop

9:39 am - 3:42 pm

DCA

DLH

7h 03m

2 stops

$324Delta

Thu, Jul 16 - Tue, Jul 21

5:00 am - 2:02 pm

DLH

DCA

8h 02m

2 stops

9:39 am - 3:42 pm

DCA

DLH

7h 03m

2 stops

$329Delta

Thu, Jul 16 - Tue, Jul 21

4:25 pm - 11:56 pm

DLH

DCA

6h 31m

1 stop

6:00 am - 11:04 am

DCA

DLH

6h 04m

1 stop

$343Delta

Thu, Jul 23 - Tue, Jul 28

5:00 am - 11:00 am

DLH

DCA

5h 00m

1 stop

9:39 am - 3:42 pm

DCA

DLH

7h 03m

2 stops

$349Delta

Sat, Jul 18 - Tue, Jul 21

11:41 am - 11:48 pm

DLH

DCA

11h 07m

2 stops

9:39 am - 3:31 pm

DCA

DLH

6h 52m

2 stops

$354Delta

Thu, Aug 27 - Mon, Aug 31

7:03 am - 2:22 pm

DLH

DCA

6h 19m

1 stop

7:10 pm - 11:23 pm

DCA

DLH

5h 13m

1 stop

$359United Airlines

Fri, Jun 26 - Tue, Jul 7

11:18 am - 7:09 pm

DLH

DCA

6h 51m

1 stop

6:10 pm - 11:20 pm

DCA

DLH

6h 10m

1 stop

$362United Airlines

Thu, Aug 27 - Mon, Aug 31

7:03 am - 2:22 pm

DLH

DCA

6h 19m

1 stop

7:10 pm - 11:23 pm

DCA

DLH

5h 13m

1 stop

$369United Airlines

Fri, Jun 26 - Tue, Jul 7

6:25 pm - 12:45 am

DLH

IAD

5h 20m

1 stop

6:10 am - 10:41 am

IAD

DLH

5h 31m

1 stop

$377United Airlines

Mon, Jun 29 - Wed, Jul 8

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

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

United Airlines

Aug 25

DLH6:23 pmDuluth Intl

5h 21m

1 stop

IAD12:44 amWashington, D.C. Dulles Intl

Aug 30

IAD6:16 amWashington, D.C. Dulles Intl

5h 26m

1 stop

DLH10:42 amDuluth Intl

$318

United Airlines

Jun 26

DLH7:03 amDuluth Intl

6h 19m

1 stop

DCA2:22 pmWashington, D.C. Reagan-National

Jul 7

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

5h 13m

1 stop

DLH11:23 pmDuluth Intl

$359

United Airlines

Aug 27

DLH11:18 amDuluth Intl

6h 51m

1 stop

DCA7:09 pmWashington, D.C. Reagan-National

Aug 31

DCA6:10 pmWashington, D.C. Reagan-National

6h 10m

1 stop

DLH11:20 pmDuluth Intl

$362

Delta flights from Duluth to Washington, D.C.

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

Delta

Jul 16

DLH5:00 amDuluth Intl

5h 00m

1 stop

DCA11:00 amWashington, D.C. Reagan-National

Jul 21

DCA9:39 amWashington, D.C. Reagan-National

7h 03m

2 stops

DLH3:42 pmDuluth Intl

$324

Delta

Jul 16

DLH5:00 amDuluth Intl

8h 02m

2 stops

DCA2:02 pmWashington, D.C. Reagan-National

Jul 21

DCA9:39 amWashington, D.C. Reagan-National

7h 03m

2 stops

DLH3:42 pmDuluth Intl

$329

Delta

Jul 23

DLH4:25 pmDuluth Intl

6h 31m

1 stop

DCA11:56 pmWashington, D.C. Reagan-National

Jul 28

DCA6:00 amWashington, D.C. Reagan-National

6h 04m

1 stop

DLH11:04 amDuluth Intl

$343

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 8/25

6:23 pm-12:44 am

1 stop5h 21m

Washington, D.C. Dulles Intl

Sun 8/30

6:16 am-10:42 am

1 stop5h 26m

$318

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 7/16

5:00 am-11:00 am

1 stop5h 00m

Washington, D.C. Reagan-National

Tue 7/21

9:39 am-3:42 pm

2 stops7h 03m

$324

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 7/16

5:00 am-2:02 pm

2 stops8h 02m

Washington, D.C. Reagan-National

Tue 7/21

9:39 am-3:42 pm

2 stops7h 03m

$329

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 7/23

4:25 pm-11:56 pm

1 stop6h 31m

Washington, D.C. Reagan-National

Tue 7/28

6:00 am-11:04 am

1 stop6h 04m

$343

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Sat 7/18

5:00 am-11:00 am

1 stop5h 00m

Washington, D.C. Reagan-National

Tue 7/21

9:39 am-3:42 pm

2 stops7h 03m

$349

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 8/27

11:41 am-11:48 pm

2 stops11h 07m

Washington, D.C. Reagan-National

Mon 8/31

9:39 am-3:31 pm

2 stops6h 52m

$354

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Fri 6/26

7:03 am-2:22 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Tue 7/7

7:10 pm-11:23 pm

1 stop5h 13m

$359

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 8/27

11:18 am-7:09 pm

1 stop6h 51m

Washington, D.C. Reagan-National

Mon 8/31

6:10 pm-11:20 pm

1 stop6h 10m

$362

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Fri 6/26

7:03 am-2:22 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Tue 7/7

7:10 pm-11:23 pm

1 stop5h 13m

$369

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Mon 6/29

6:25 pm-12:45 am

1 stop5h 20m

Washington, D.C. Dulles Intl

Wed 7/8

6:10 am-10:41 am

1 stop5h 31m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest month to fly to Washington, D.C.?

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Duluth, with most prices found around $0. If you’re not able to fly to Washington, D.C. in January, then December is your next best option. Flight prices from Duluth to Washington, D.C. during December average around $248.

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.

Fastest flight time	4h 55m
Direct flights	None

The fastest flight from Duluth to Washington, D.C. takes 4h 55m

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

Frequently asked questions about flying from Duluth to Washington, D.C.

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 55m.
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 June 2026, 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 Delta (54% of total bookings). The next most popular airline is United Airlines (46%).

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
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,801 reviews		Search United Airlines flights
Delta	PriceFrom $273	Free Cancellation	Rating 7.9 8,397 reviews		Search Delta flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Fredericksburg

Colonial Beach

Silver Spring

Rockville

Towson

Linthicum Heights

Manassas

Tysons

Springfield

Fairfax

Bethesda

College Park

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.

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Feeling lucky

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Duluth to Washington, D.C. from $180

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 7/1. 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 Duluth to Washington, D.C.

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

Delta flights from Duluth to Washington, D.C.

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

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

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest airline that flies 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.

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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