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Cheap flights from Duluth to Washington, D.C. from $328

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 9/4. 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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Find the cheapest flights from Duluth to Washington, D.C. (DLH-IAD)

Cheap round-trip flights

Delta Logo
7:50 am - 1:25 pmDLH-IAD
4h 35m1 stop
Delta Logo
6:15 am - 10:15 amIAD-DLH
5h 00m1 stop
$328Delta
Find Deal
Thu, Sep 4 - Sun, Sep 7
United Airlines Logo
9:45 am - 3:57 pmDLH-IAD
5h 12m1 stop
United Airlines Logo
5:45 pm - 10:37 amIAD-DLH
17h 52m2 stops
$403United Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
United Airlines Logo
9:45 am - 3:57 pmDLH-IAD
5h 12m1 stop
United Airlines Logo
10:12 pm - 10:37 amIAD-DLH
13h 25m2 stops
$412United Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
United Airlines Logo
9:45 am - 3:57 pmDLH-IAD
5h 12m1 stop
United Airlines Logo
10:35 pm - 10:37 amIAD-DLH
13h 02m1 stop
$417United Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Delta Logo
5:10 am - 11:18 amDLH-IAD
5h 08m1 stop
Delta Logo
6:15 am - 10:07 amIAD-DLH
4h 52m1 stop
$424Delta
Find Deal
Tue, Sep 16 - Sun, Sep 21
Delta Logo
5:10 am - 2:31 pmDLH-IAD
8h 21m2 stops
Delta Logo
6:15 am - 10:15 amIAD-DLH
5h 00m1 stop
$430Delta
Find Deal
Thu, Sep 4 - Sun, Sep 7
United Airlines Logo
9:45 am - 3:52 pmDLH-IAD
5h 07m1 stop
United Airlines Logo
6:30 am - 10:45 amIAD-DLH
5h 15m1 stop
$448United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
Delta Logo
4:10 pm - 11:40 pmDLH-IAD
6h 30m1 stop
Delta Logo
6:18 am - 11:22 amIAD-DLH
6h 04m1 stop
$504Delta
Find Deal
Fri, Oct 24 - Mon, Oct 27
Delta Logo
12:02 pm - 11:01 pmDLH-IAD
9h 59m2 stops
Delta Logo
5:52 pm - 11:42 pmIAD-DLH
6h 50m2 stops
$515Delta
Find Deal
Fri, Oct 24 - Mon, Oct 27
United Airlines Logo
11:20 am - 11:55 amDLH-IAD
23h 35m1 stop
United Airlines Logo
10:35 pm - 10:37 amIAD-DLH
13h 02m1 stop
$520United Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27

Delta flights from Duluth to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Duluth to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Sep 4
DLH7:50 amDuluth Intl
4h 35m
1 stop
IAD1:25 pmWashington, D.C. Dulles Intl
Sep 7
IAD6:15 amWashington, D.C. Dulles Intl
5h 00m
1 stop
DLH10:15 amDuluth Intl
$328
Find similar
Delta
Sep 16
DLH5:10 amDuluth Intl
5h 08m
1 stop
IAD11:18 amWashington, D.C. Dulles Intl
Sep 21
IAD6:15 amWashington, D.C. Dulles Intl
4h 52m
1 stop
DLH10:07 amDuluth Intl
$424
Find similar
Delta
Sep 4
DLH5:10 amDuluth Intl
8h 21m
2 stops
IAD2:31 pmWashington, D.C. Dulles Intl
Sep 7
IAD6:15 amWashington, D.C. Dulles Intl
5h 00m
1 stop
DLH10:15 amDuluth Intl
$430
Find similar

United Airlines flights from Duluth to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Duluth to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Oct 24
DLH9:45 amDuluth Intl
5h 12m
1 stop
IAD3:57 pmWashington, D.C. Dulles Intl
Oct 27
IAD5:45 pmWashington, D.C. Dulles Intl
17h 52m
2 stops
DLH10:37 amDuluth Intl
$403
Find similar
United Airlines
Oct 24
DLH9:45 amDuluth Intl
5h 12m
1 stop
IAD3:57 pmWashington, D.C. Dulles Intl
Oct 27
IAD10:12 pmWashington, D.C. Dulles Intl
13h 25m
2 stops
DLH10:37 amDuluth Intl
$412
Find similar
United Airlines
Oct 24
DLH9:45 amDuluth Intl
5h 12m
1 stop
IAD3:57 pmWashington, D.C. Dulles Intl
Oct 27
IAD10:35 pmWashington, D.C. Dulles Intl
13h 02m
1 stop
DLH10:37 amDuluth Intl
$417
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 11, 2025.
Use the filters below to find and compare flights from Duluth to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Thu 9/4

7:50 am-1:25 pm

1 stop4h 35m

Washington, D.C. Dulles Intl

Sun 9/7

6:15 am-10:15 am

1 stop5h 00m

$328

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 10/24

9:45 am-3:57 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Mon 10/27

5:45 pm-10:37 am

2 stops17h 52m

$403

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 10/24

9:45 am-3:57 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Mon 10/27

10:12 pm-10:37 am

2 stops13h 25m

$412

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 10/24

9:45 am-3:57 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Mon 10/27

10:35 pm-10:37 am

1 stop13h 02m

$417

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 9/16

5:10 am-11:18 am

1 stop5h 08m

Washington, D.C. Dulles Intl

Sun 9/21

6:15 am-10:07 am

1 stop4h 52m

$424

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Thu 9/4

5:10 am-2:31 pm

2 stops8h 21m

Washington, D.C. Dulles Intl

Sun 9/7

6:15 am-10:15 am

1 stop5h 00m

$430

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Wed 9/24

9:45 am-3:52 pm

1 stop5h 07m

Washington, D.C. Dulles Intl

Sun 9/28

6:30 am-10:45 am

1 stop5h 15m

$448

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 10/24

4:10 pm-11:40 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Mon 10/27

6:18 am-11:22 am

1 stop6h 04m

$504

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 10/24

12:02 pm-11:01 pm

2 stops9h 59m

Washington, D.C. Dulles Intl

Mon 10/27

5:52 pm-11:42 pm

2 stops6h 50m

$515

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Fri 10/24

11:20 am-11:55 am

1 stop23h 35m

Washington, D.C. Dulles Intl

Mon 10/27

10:35 pm-10:37 am

1 stop13h 02m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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. Dulles Intl 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

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

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $343. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Duluth to Washington, D.C. Dulles Intl Airport for around $787.

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

Flying to Washington, D.C. Dulles Intl Airport from Duluth in the morning is the least expensive time of day to depart. momondo users have found prices as low as $516 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $577 on average. Flights to Washington, D.C. Dulles Intl Airport from Duluth in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Duluth to Washington, D.C. Dulles Intl Airport

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

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

Best Price Found

$686

Fastest flight time

4h 35m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Duluth in the past 72 hours is $686. The best round-trip flight deal from Duluth to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $328.
The fastest flight from Duluth to Washington, D.C. Dulles Intl Airport takes 4h 35m
There are no direct flights from Duluth to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Duluth Intl Airport - Washington, D.C. Dulles Intl Airport.
Search flight deals

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

    There are 915.6 mi between Duluth Intl and Washington, D.C. Dulles Intl. By plane, this route typically takes 4h 35m.

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

    Prices for flights from Duluth Intl Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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. Dulles Intl 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. Dulles Intl Airport?

Best airlines flying from Duluth to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Duluth to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Silver Spring
Tysons
Waldorf
Fredericksburg
Harpers Ferry
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Duluth to Washington, D.C. for 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 provides multiple filters to help you find the best flight to Washington, D.C. from Duluth. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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