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 August 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.

$174 Cheap Flights from Duluth to Washington, D.C. in 2025

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

Round-trip

One-way

Cheap round-trip flights

8:05 am - 1:27 pmDLH-BWI

4h 22m1 stop

3:00 pm - 7:37 pmBWI-DLH

5h 37m1 stop

$248Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

5:10 am - 1:27 pmDLH-BWI

7h 17m1 stop

11:00 am - 7:37 pmBWI-DLH

9h 37m2 stops

$254Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

12:00 pm - 10:59 pmDLH-BWI

9h 59m2 stops

11:00 am - 7:37 pmBWI-DLH

9h 37m2 stops

$274Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

5:10 am - 11:02 amDLH-DCA

4h 52m1 stop

6:10 am - 10:07 amDCA-DLH

4h 57m1 stop

$278Delta

Find Deal

Thu, Sep 11 - Mon, Sep 15

5:10 am - 10:36 amDLH-BWI

4h 26m1 stop

6:15 am - 10:07 amBWI-DLH

4h 52m1 stop

$278Delta

Find Deal

Thu, Sep 11 - Mon, Sep 15

5:10 am - 11:02 amDLH-DCA

4h 52m1 stop

3:05 pm - 10:43 pmDCA-DLH

8h 38m2 stops

$284Delta

Find Deal

Thu, Sep 11 - Mon, Sep 15

4:20 pm - 11:35 pmDLH-IAD

6h 15m1 stop

2:15 pm - 7:37 pmIAD-DLH

6h 22m1 stop

$284Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

12:00 pm - 11:02 pmDLH-IAD

10h 02m2 stops

6:15 am - 11:07 amIAD-DLH

5h 52m1 stop

$290Delta

Find Deal

Fri, Feb 20 - Tue, Feb 24

9:45 am - 3:51 pmDLH-DCA

5h 06m1 stop

3:30 pm - 10:08 pmDCA-DLH

7h 38m1 stop

$330United Airlines

Find Deal

Thu, Oct 16 - Mon, Oct 20

11:20 am - 6:03 pmDLH-DCA

5h 43m1 stop

6:25 am - 10:45 amDCA-DLH

5h 20m1 stop

$348United Airlines

Find Deal

Wed, Sep 10 - Sun, Sep 14

Delta flights from Duluth to Washington, D.C.

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

Delta

Feb 20

DLH8:05 amDuluth Intl

4h 22m

1 stop

BWI1:27 pmBaltimore/Washington

Feb 24

BWI3:00 pmBaltimore/Washington

5h 37m

1 stop

DLH7:37 pmDuluth Intl

$248

Find similar

Delta

Feb 20

DLH5:10 amDuluth Intl

7h 17m

1 stop

BWI1:27 pmBaltimore/Washington

Feb 24

BWI11:00 amBaltimore/Washington

9h 37m

2 stops

DLH7:37 pmDuluth Intl

$254

Find similar

Delta

Feb 20

DLH12:00 pmDuluth Intl

9h 59m

2 stops

BWI10:59 pmBaltimore/Washington

Feb 24

BWI11:00 amBaltimore/Washington

9h 37m

2 stops

DLH7:37 pmDuluth Intl

$274

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

Oct 16

DLH9:45 amDuluth Intl

5h 06m

1 stop

DCA3:51 pmWashington, D.C. Reagan-National

Oct 20

DCA3:30 pmWashington, D.C. Reagan-National

7h 38m

1 stop

DLH10:08 pmDuluth Intl

$330

Find similar

United Airlines

Sep 10

DLH9:45 amDuluth Intl

6h 45m

1 stop

IAD5:30 pmWashington, D.C. Dulles Intl

Sep 14

IAD6:35 amWashington, D.C. Dulles Intl

5h 10m

1 stop

DLH10:45 amDuluth Intl

$348

Find similar

United Airlines

Sep 11

DLH8:00 amDuluth Intl

4h 49m

1 stop

IAD1:49 pmWashington, D.C. Dulles Intl

Sep 15

IAD5:10 pmWashington, D.C. Dulles Intl

5h 55m

1 stop

DLH10:05 pmDuluth Intl

$357

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Fri 2/20

8:05 am-1:27 pm

1 stop4h 22m

Baltimore/Washington

Tue 2/24

3:00 pm-7:37 pm

1 stop5h 37m

$248

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Fri 2/20

5:10 am-1:27 pm

1 stop7h 17m

Baltimore/Washington

Tue 2/24

11:00 am-7:37 pm

2 stops9h 37m

$254

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Fri 2/20

12:00 pm-10:59 pm

2 stops9h 59m

Baltimore/Washington

Tue 2/24

11:00 am-7:37 pm

2 stops9h 37m

$274

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 9/11

5:10 am-11:02 am

1 stop4h 52m

Washington, D.C. Reagan-National

Mon 9/15

6:10 am-10:07 am

1 stop4h 57m

$278

DuluthBaltimore

DLH - BWI

DLHBWI

Duluth Intl

Thu 9/11

5:10 am-10:36 am

1 stop4h 26m

Baltimore/Washington

Mon 9/15

6:15 am-10:07 am

1 stop4h 52m

$278

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 9/11

5:10 am-11:02 am

1 stop4h 52m

Washington, D.C. Reagan-National

Mon 9/15

3:05 pm-10:43 pm

2 stops8h 38m

$284

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 2/20

4:20 pm-11:35 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Tue 2/24

2:15 pm-7:37 pm

1 stop6h 22m

$284

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 2/20

12:00 pm-11:02 pm

2 stops10h 02m

Washington, D.C. Dulles Intl

Tue 2/24

6:15 am-11:07 am

1 stop5h 52m

$290

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Thu 10/16

9:45 am-3:51 pm

1 stop5h 06m

Washington, D.C. Reagan-National

Mon 10/20

3:30 pm-10:08 pm

1 stop7h 38m

$330

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Wed 9/10

11:20 am-6:03 pm

1 stop5h 43m

Washington, D.C. Reagan-National

Sun 9/14

6:25 am-10:45 am

1 stop5h 20m

$348

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 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 22m.
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 August 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 7,977 reviews		Search Delta flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 8,944 reviews		Search United Airlines flights

Alexandria

Gettysburg

Arlington

National Harbor

Woodbridge

Waldorf

Tysons

Laurel

Silver Spring

Colonial Beach

Fredericksburg

Towson

Manassas

Rockville

Gaithersburg

Reston

Fairfax

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.