How long is the flight from Duluth to Washington, D.C.?

United Airlines and Delta can get you from Duluth to Washington, D.C. in just under 6h 12m. Your travel time can differ by up to 30m. There are 921 mi between Duluth and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Duluth to Washington, D.C. round-trip?

According to our current data, United Airlines ($248), and Delta ($273) offers the cheapest pricing from Duluth to Washington, D.C..

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Duluth to Washington, D.C.?

Most travelers choose Duluth Intl - Washington, D.C. Dulles Intl, Duluth Intl - Washington, D.C. Reagan-National or Duluth Intl - Baltimore/Washington when deciding on the best route from Duluth to Washington, D.C..

What is the cheapest time of day to fly from DLH to WAS?

When flying from Duluth to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Duluth-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Duluth-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Duluth-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Duluth to Washington, D.C.?

Duluth Intl (DLH), located 5.8 mi from the city center, is the airport you fly out of when you book flights from Duluth to Washington, D.C.. 2 airlines have flights from Duluth Intl to Washington, D.C. on a regular basis. Booking flights from Duluth Intl to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

Can I find deals for flights from Duluth to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Duluth to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Duluth to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Washington, D.C..

Can I find deals for business class flights from Duluth to Washington, D.C.?

Yes. Cheapflights offers flight deals from Duluth to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$303+ Cheap Flights from Duluth to Washington, D.C.

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Cheap flight deals from Duluth to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Duluth to Washington, D.C.
Explore the most affordable flight options available from Duluth to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Sat 10/243:10 pm -

1 stop6h 42m

Sun 11/16:25 am -

1 stop5h 16m

Deal found 8/22

$318

Tue 9/156:24 pm -

1 stop5h 20m

Tue 9/2210:41 am -

1 stop8h 07m

Deal found 8/18

$318

Tue 9/224:11 pm -

1 stop6h 48m

Sat 9/266:05 am -

1 stop5h 58m

Deal found 8/21

$343

Tue 9/224:11 pm -

1 stop6h 12m

Sat 9/266:10 am -

1 stop5h 53m

Deal found 8/21

$361

Sun 9/611:41 am -

1 stop5h 28m

Thu 9/1012:00 pm -

1 stop4h 29m

Deal found 8/22

$368

Wed 9/27:45 am -

1 stop5h 13m

Sun 9/65:39 pm -

1 stop6h 43m

Deal found 8/18

$368

Fri 10/94:21 pm -

1 stop6h 02m

Sun 10/117:30 am -

1 stop5h 14m

Deal found 8/19

$370

Fri 10/94:21 pm -

1 stop6h 23m

Sun 10/116:10 am -

2 stops6h 34m

Deal found 8/19

$376

Thu 10/87:45 am -

1 stop5h 38m

Mon 10/126:30 am -

1 stop5h 12m

Deal found 8/21

$396

Sat 11/146:23 am -

1 stop6h 49m

Wed 11/185:10 pm -

1 stop7h 04m

Deal found 8/20

$398

Sun 11/2211:16 am -

1 stop6h 53m

Thu 11/266:10 am -

1 stop5h 32m

Deal found 8/18

$398

Sun 11/226:23 am -

1 stop6h 12m

Thu 11/266:11 am -

1 stop5h 31m

Deal found 8/20

$398

Best flights from Duluth to Washington, D.C.
Discover carefully curated flight deals from Duluth to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Tue 9/156:24 pm -

1 stop5h 20m

Tue 9/2210:41 am -

1 stop8h 07m

Deal found 8/18

$318

Tue 9/224:11 pm -

1 stop6h 12m

Sat 9/266:10 am -

1 stop5h 53m

Deal found 8/21

$361

Sun 9/611:41 am -

1 stop5h 28m

Thu 9/1012:00 pm -

1 stop4h 29m

Deal found 8/22

$368

Wed 9/27:45 am -

1 stop5h 13m

Sun 9/65:39 pm -

1 stop6h 43m

Deal found 8/18

$368

Fri 10/94:21 pm -

1 stop6h 02m

Sun 10/117:30 am -

1 stop5h 14m

Deal found 8/19

$370

Sat 11/143:06 pm -

1 stop5h 05m

Wed 11/1810:30 am -

1 stop5h 00m

Deal found 8/22

$398

Sat 10/246:00 am -

1 stop7h 23m

Wed 10/286:25 am -

1 stop5h 16m

Deal found 8/18

$398

Wed 9/28:18 am -

1 stop4h 39m

Sun 9/67:00 am -

2 stops9h 31m

Deal found 8/18

$404

Sun 11/2211:16 am -

1 stop6h 53m

Thu 11/266:10 am -

1 stop5h 32m

Deal found 8/18

$398

Tue 9/224:11 pm -

1 stop6h 48m

Sat 9/266:05 am -

1 stop5h 58m

Deal found 8/19

$423

Sat 10/247:45 am -

1 stop5h 14m

Wed 10/286:11 am -

1 stop5h 30m

Deal found 8/18

$398

Tue 9/224:11 pm -

1 stop6h 48m

Sun 9/276:05 am -

1 stop5h 58m

Deal found 8/23

$433

Sun 11/226:23 am -

1 stop6h 12m

Thu 11/266:11 am -

1 stop5h 31m

Deal found 8/22

$398

Fri 10/94:21 pm -

1 stop6h 23m

Sun 10/116:10 am -

2 stops6h 34m

Deal found 8/22

$439

Thu 2/1111:18 am -

1 stop6h 51m

Mon 2/156:20 am -

1 stop5h 22m

Deal found 8/23

$438

Thu 10/84:21 pm -

1 stop6h 05m

Mon 10/126:05 am -

2 stops6h 39m

Deal found 8/18

$479

Sat 10/244:21 pm -

2 stops5h 46m

Sun 11/112:22 pm -

1 stop7h 50m

Deal found 8/22

$494

Sun 9/611:41 am -

2 stops10h 32m

Thu 9/102:57 pm -

1 stop5h 28m

Deal found 8/22

$559

Sun 9/611:18 am -

1 stop6h 24m

Thu 9/106:05 am -

1 stop5h 35m

Deal found 8/22

$712

Last-minute flights from Duluth to Washington, D.C.
Discover last-minute flight deals from Duluth to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

Fri 8/2111:41 am -

1 stop5h 41m

Fri 8/287:17 pm -

1 stop4h 24m

Deal found 8/19

$468

Wed 9/27:45 am -

1 stop5h 13m

Sun 9/65:39 pm -

1 stop6h 43m

Deal found 8/18

$368

Wed 9/28:18 am -

1 stop4h 39m

Sun 9/67:00 am -

2 stops9h 31m

Deal found 8/18

$404

Sun 9/611:41 am -

1 stop5h 28m

Thu 9/1012:00 pm -

1 stop4h 29m

Deal found 8/22

$368

Sun 9/611:41 am -

2 stops10h 32m

Thu 9/102:57 pm -

1 stop5h 28m

Deal found 8/22

$559

Tue 9/156:24 pm -

1 stop5h 20m

Tue 9/2210:41 am -

1 stop8h 07m

Deal found 8/18

$318

Tue 9/153:10 pm -

1 stop6h 44m

Tue 9/225:10 pm -

1 stop7h 10m

Deal found 8/18

$410

Tue 9/154:11 pm -

1 stop6h 48m

Tue 9/222:45 pm -

2 stops8h 50m

Deal found 8/18

$602

Tue 9/224:11 pm -

1 stop6h 48m

Sat 9/266:05 am -

1 stop5h 58m

Deal found 8/21

$343

Tue 9/224:11 pm -

1 stop6h 12m

Sat 9/266:10 am -

1 stop5h 53m

Deal found 8/21

$361

Tue 9/224:11 pm -

1 stop6h 48m

Sun 9/276:05 am -

1 stop5h 58m

Deal found 8/20

$433

Tue 9/224:11 pm -

1 stop6h 12m

Sun 9/276:10 am -

1 stop5h 53m

Deal found 8/23

$458

One-way flights from Duluth to Washington, D.C.
Search for one-way flight options from Duluth to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Thu 10/154:21 pm -

1 stop6h 23m

Deal found 8/21

$303

Thu 9/176:24 pm -

1 stop5h 20m

Deal found 8/21

$303

Sun 10/115:14 am -

1 stop4h 46m

Deal found 8/21

$329

Wed 10/1411:18 am -

1 stop5h 51m

Deal found 8/21

$382

Sun 10/115:14 am -

1 stop4h 42m

Deal found 8/21

$397

Wed 10/143:10 pm -

2 stops15h 25m

Deal found 8/21

$397

Tue 10/135:14 am -

2 stops10h 25m

Deal found 8/21

$403

Wed 10/145:14 am -

2 stops12h 23m

Deal found 8/21

$456

Tue 9/86:24 pm -

1 stop18h 34m

Deal found 8/22

$509

Sun 10/115:14 am -

2 stops9h 35m

Deal found 8/21

$570

Tue 10/137:45 am -

3 stops10h 54m

Deal found 8/21

$1,107

Find flight deals from Duluth to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$318 (United Airlines)
One-way from	$303 (Delta)

Provider with most accurate pricing for Duluth Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Duluth Intl-Washington, D.C. (WAS) flights.

Search Deals

From Duluth Intl to Washington, D.C. (WAS)

Search Deals

One-way flight from Duluth Intl to Washington, D.C. (WAS)

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthWashington, D.C.

DLH Duluth Intl - IAD Washington, D.C. Dulles Intl

DLHIAD

Duluth Intl

Tue 9/15

6:24 pm-12:44 am

1 stop5h 20m

Washington, D.C. Dulles Intl

Tue 9/22

10:41 am-5:48 pm

1 stop8h 07m

$318

DuluthWashington, D.C.

DLH Duluth Intl - IAD Washington, D.C. Dulles Intl

DLHIAD

Duluth Intl

Tue 9/22

4:11 pm-11:23 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Sat 9/26

6:10 am-11:03 am

1 stop5h 53m

$361

Quickest round-trip

DuluthWashington, D.C.

DLH Duluth Intl - DCA Washington, D.C. Reagan-National

DLHDCA

Duluth Intl

Sun 9/6

11:41 am-6:09 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Thu 9/10

12:00 pm-3:29 pm

1 stop4h 29m

$368

DuluthBaltimore

DLH Duluth Intl - BWI Baltimore/Washington

DLHBWI

Duluth Intl

Wed 9/2

7:45 am-1:58 pm

1 stop5h 13m

Baltimore/Washington

Sun 9/6

5:39 pm-11:22 pm

1 stop6h 43m

$368

DuluthBaltimore

DLH Duluth Intl - BWI Baltimore/Washington

DLHBWI

Duluth Intl

Fri 10/9

4:21 pm-11:23 pm

1 stop6h 02m

Baltimore/Washington

Sun 10/11

7:30 am-11:44 am

1 stop5h 14m

$370

DuluthWashington, D.C.

DLH Duluth Intl - DCA Washington, D.C. Reagan-National

DLHDCA

Duluth Intl

Sat 11/14

3:06 pm-9:11 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Wed 11/18

10:30 am-2:30 pm

1 stop5h 00m

$398

DuluthWashington, D.C.

DLH Duluth Intl - DCA Washington, D.C. Reagan-National

DLHDCA

Duluth Intl

Sat 10/24

6:00 am-2:23 pm

1 stop7h 23m

Washington, D.C. Reagan-National

Wed 10/28

6:25 am-10:41 am

1 stop5h 16m

$398

DuluthBaltimore

DLH Duluth Intl - BWI Baltimore/Washington

DLHBWI

Duluth Intl

Sun 11/22

11:16 am-7:09 pm

1 stop6h 53m

Baltimore/Washington

Thu 11/26

6:10 am-10:42 am

1 stop5h 32m

$398

DuluthWashington, D.C.

DLH Duluth Intl - IAD Washington, D.C. Dulles Intl

DLHIAD

Duluth Intl

Sat 10/24

7:45 am-1:59 pm

1 stop5h 14m

Washington, D.C. Dulles Intl

Wed 10/28

6:11 am-10:41 am

1 stop5h 30m

$398

DuluthWashington, D.C.

DLH Duluth Intl - IAD Washington, D.C. Dulles Intl

DLHIAD

Duluth Intl

Sun 11/22

6:23 am-1:35 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Thu 11/26

6:11 am-10:42 am

1 stop5h 31m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 28 resultsSorted by cheapest first

Compare providers for flights from Duluth to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Duluth to Washington, D.C. in August.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Duluth-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Duluth-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Duluth-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Duluth to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Duluth with our price prediction graph.

DLH-WAS

DLH-DCA

DLH-IAD

DLH-BWI

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Washington, D.C.

DLH-WAS

DLH-DCA

DLH-IAD

DLH-BWI

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Delta and United Airlines from Duluth to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,515 reviews

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Delta

7.8

Good

8,515 reviews

Delta

7.8

Good

8,515 reviews

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

United Airlines

7.4

Good

10,113 reviews

Delta

7.8

Good

8,515 reviews

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Related info for your journey

What airport do you fly from for flights from Duluth to Washington, D.C.?
Duluth Intl (DLH), located 5.8 mi from the city center, is the airport you fly out of when you book flights from Duluth to Washington, D.C.. 2 airlines have flights from Duluth Intl to Washington, D.C. on a regular basis. Booking flights from Duluth Intl to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.
How long is the flight from Duluth to Washington, D.C.?
United Airlines and Delta can get you from Duluth to Washington, D.C. in just under 6h 12m. Your travel time can differ by up to 30m. There are 921 mi between Duluth and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Duluth to Washington, D.C. round-trip?
According to our current data, United Airlines ($248), and Delta ($273) offers the cheapest pricing from Duluth to Washington, D.C..
What are the most popular routes from Duluth to Washington, D.C.?
Most travelers choose Duluth Intl - Washington, D.C. Dulles Intl, Duluth Intl - Washington, D.C. Reagan-National or Duluth Intl - Baltimore/Washington when deciding on the best route from Duluth to Washington, D.C..
Can I find deals for flights from Duluth to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Duluth to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Duluth to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Washington, D.C..
Can I find deals for business class flights from Duluth to Washington, D.C.?
Yes. Cheapflights offers flight deals from Duluth to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Duluth to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$248	Average$392	FlexibilityNo cancel fee	On-time69%

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$303+ Cheap flights from Duluth (DLH) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Duluth to Washington, D.C. with Cheapflights

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Cheap flight deals from Duluth to Washington, D.C.

Cheapest flights from Duluth to Washington, D.C.Explore the most affordable flight options available from Duluth to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Explore the most affordable flight options available from Duluth to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Best flights from Duluth to Washington, D.C.Discover carefully curated flight deals from Duluth to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Discover carefully curated flight deals from Duluth to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Duluth to Washington, D.C.Discover last-minute flight deals from Duluth to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

Discover last-minute flight deals from Duluth to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Duluth to Washington, D.C.Search for one-way flight options from Duluth to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Search for one-way flight options from Duluth to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Find flight deals from Duluth to Washington, D.C.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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

Compare providers for flights from Duluth to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Duluth to Washington, D.C. in August.

Best time to book a flight from Duluth to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Duluth with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Delta and United Airlines from Duluth to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Duluth to Washington, D.C.?

How long is the flight from Duluth to Washington, D.C.?

What are the cheapest airlines flying from Duluth to Washington, D.C. round-trip?

What are the most popular routes from Duluth to Washington, D.C.?

Can I find deals for flights from Duluth to Washington, D.C. that include hotel bookings?

How can I find direct flights from Duluth to Washington, D.C.?

Can I find deals for business class flights from Duluth to Washington, D.C.?

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

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Alternative routes for Duluth to Washington, D.C.

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Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Duluth to Washington, D.C. by cabin class

Find flights from Duluth to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Duluth and Washington, D.C. flights

Browse other Duluth and Washington, D.C. flight options. Last updated on August 23, 2026.

Other flights from Duluth

Browse through other flights departing from Duluth. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.

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Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.

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Cheapest flights from Duluth to Washington, D.C.
Explore the most affordable flight options available from Duluth to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.

Best flights from Duluth to Washington, D.C.
Discover carefully curated flight deals from Duluth to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Duluth to Washington, D.C.
Discover last-minute flight deals from Duluth to Washington, D.C.. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Duluth to Washington, D.C.
Search for one-way flight options from Duluth to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.