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

According to our current data, Delta ($248), and United Airlines ($290) offers the cheapest pricing from Washington, D.C. to Duluth. These flights start at 43% lower than the current average price 3 months from now.

What is the cheapest day to fly from Washington, D.C. to Duluth?

Travelers seeking maximum savings on their Washington, D.C. to Duluth flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

If weather is an important factor for your trip to Duluth, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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

While some choose either Washington, D.C. Reagan-National - Duluth Intl or Baltimore/Washington - Duluth Intl, Washington, D.C. Dulles Intl - Duluth Intl is the most popular route from Washington, D.C. to Duluth.

What is the cheapest day to fly round-trip from Washington, D.C. to Duluth?

Thursday flights are found to be more expensive to fly from Washington, D.C. to Duluth. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Duluth.

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

January is one of the best times of the year to fly to Duluth from Washington, D.C.. Prices for January average $439 per person but you can even find prices for as low as $248. The most expensive prices can be found in the month of March. Opting for a January flight can save you 57% on your journey compared to booking in March

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

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Duluth in the morning. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the afternoon.

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

Located just 5.8 mi from the city center, Duluth Intl is the airport most travelers will use when flying to Duluth from Washington, D.C.. Booking flights from Washington, D.C. to Duluth Intl (DLH) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 2 different airlines.

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

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

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

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

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

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

$248+ Flights from Washington, D.C. to Duluth

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Round-trip from	$248 (Delta)
Popular in	March
Cheapest in	January
Average price	$610

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

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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

Cheapest flights from Washington, D.C. to Duluth
Explore the most affordable flight options available from Washington, D.C. to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Wed 9/36:15 amBWI - DLH

1 stop5h 00mDelta

Sat 9/67:50 amDLH - BWI

1 stop4h 37mDelta

Deal found 7/31

$248

Wed 9/36:30 amDCA - DLH

1 stop4h 45mDelta

Sat 9/65:10 amDLH - DCA

1 stop4h 45mDelta

Deal found 7/31

$248

Wed 9/36:15 amIAD - DLH

1 stop5h 00mDelta

Sat 9/65:10 amDLH - IAD

2 stops10h 20mDelta

Deal found 7/31

$254

Sun 9/146:35 amIAD - DLH

1 stop5h 10mUnited Airlines

Sat 9/208:00 amDLH - IAD

1 stop5h 37mUnited Airlines

Deal found 7/30

$290

Sat 8/235:59 pmDCA - DLH

1 stop5h 06mUnited Airlines

Fri 8/293:10 pmDLH - DCA

1 stop6h 33mUnited Airlines

Deal found 7/31

$348

Sat 8/305:30 pmBWI - DLH

1 stop5h 35mUnited Airlines

Sat 9/68:00 amDLH - BWI

1 stop4h 48mUnited Airlines

Deal found 7/31

$368

Best flights from Washington, D.C. to Duluth
Discover carefully curated flight deals from Washington, D.C. to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Wed 9/36:15 amBWI - DLH

1 stop5h 00mDelta

Sat 9/67:50 amDLH - BWI

1 stop4h 37mDelta

Deal found 7/31

$248

Sun 9/146:35 amIAD - DLH

1 stop5h 10mUnited Airlines

Sat 9/208:00 amDLH - IAD

1 stop5h 37mUnited Airlines

Deal found 7/30

$290

Wed 9/36:30 amDCA - DLH

1 stop4h 45mDelta

Sat 9/65:10 amDLH - DCA

1 stop4h 45mDelta

Deal found 7/31

$248

Wed 9/36:15 amIAD - DLH

1 stop5h 00mDelta

Sat 9/65:10 amDLH - IAD

2 stops10h 20mDelta

Deal found 7/31

$254

Sat 8/235:59 pmDCA - DLH

1 stop5h 06mUnited Airlines

Fri 8/293:10 pmDLH - DCA

1 stop6h 33mUnited Airlines

Deal found 7/31

$348

Sat 8/305:30 pmBWI - DLH

1 stop5h 35mUnited Airlines

Sat 9/68:00 amDLH - BWI

1 stop4h 48mUnited Airlines

Deal found 7/31

$368

Last-minute flights from Washington, D.C. to Duluth
Discover last-minute flight deals from Washington, D.C. to Duluth. Data last updated July 31, 2025 and is based on user searches.

Thu 8/76:00 amBWI - DLH

1 stop5h 23mDelta

Mon 8/114:19 pmDLH - BWI

1 stop6h 27mDelta

Deal found 7/31

$722

Thu 8/76:20 amIAD - DLH

1 stop5h 03mDelta

Mon 8/114:19 pmDLH - IAD

2 stops7h 02mDelta

Deal found 7/30

$768

Thu 8/76:10 amDCA - DLH

1 stop5h 13mDelta

Mon 8/114:19 pmDLH - DCA

1 stop6h 15mDelta

Deal found 7/31

$808

Tue 8/126:15 amBWI - DLH

1 stop4h 58mDelta

Thu 8/214:19 pmDLH - BWI

1 stop6h 28mDelta

Deal found 7/31

$492

Wed 8/136:15 amIAD - DLH

1 stop4h 58mDelta

Mon 8/185:10 amDLH - IAD

1 stop17h 30mDelta

Deal found 7/30

$428

Sat 8/235:59 pmDCA - DLH

1 stop5h 06mUnited Airlines

Fri 8/293:10 pmDLH - DCA

1 stop6h 33mUnited Airlines

Deal found 7/31

$348

Sat 8/306:55 pmDCA - DLH

1 stop4h 51mDelta

Sat 9/65:10 amDLH - DCA

1 stop4h 45mDelta

Deal found 7/31

$302

Sat 8/305:30 pmBWI - DLH

1 stop5h 35mUnited Airlines

Sat 9/68:00 amDLH - BWI

1 stop4h 48mUnited Airlines

Deal found 7/31

$368

Sat 8/303:55 pmIAD - DLH

1 stop7h 10mUnited Airlines

Sat 9/68:00 amDLH - IAD

1 stop6h 52mUnited Airlines

Deal found 7/31

$372

One-way flights from Washington, D.C. to Duluth
Search for one-way flight options from Washington, D.C. to Duluth. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Sun 8/176:15 amIAD - DLH

1 stop4h 58mDelta

Deal found 7/29

$263

Thu 8/146:10 amDCA - DLH

1 stop5h 03mDelta

Deal found 7/31

$263

Sun 8/178:53 amIAD - DLH

2 stops6h 35mUnited Airlines

Deal found 7/29

$457

Thu 8/149:05 amDCA - DLH

2 stops30h 23mUnited Airlines

Deal found 7/31

$547

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Wed 9/3

6:15 am-10:15 am

1 stop5h 00m

Duluth Intl

Sat 9/6

7:50 am-1:27 pm

1 stop4h 37m

$248

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Wed 9/3

6:30 am-10:15 am

1 stop4h 45m

Duluth Intl

Sat 9/6

5:10 am-10:55 am

1 stop4h 45m

$248

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Wed 9/3

6:15 am-10:15 am

1 stop5h 00m

Duluth Intl

Sat 9/6

5:10 am-4:30 pm

2 stops10h 20m

$254

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Sun 9/14

6:35 am-10:45 am

1 stop5h 10m

Duluth Intl

Sat 9/20

8:00 am-2:37 pm

1 stop5h 37m

$290

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Sat 8/23

5:59 pm-10:05 pm

1 stop5h 06m

Duluth Intl

Fri 8/29

3:10 pm-10:43 pm

1 stop6h 33m

$348

BaltimoreDuluth

BWI - DLH

BWIDLH

Baltimore/Washington

Sat 8/30

5:30 pm-10:05 pm

1 stop5h 35m

Duluth Intl

Sat 9/6

8:00 am-1:48 pm

1 stop4h 48m

$368

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Sun 8/17

6:15 am-10:13 am

1 stop4h 58m

$263

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Thu 8/14

6:10 am-10:13 am

1 stop5h 03m

$263

Washington, D.C.Duluth

IAD - DLH

IADDLH

Washington, D.C. Dulles Intl

Sun 8/17

8:53 am-2:28 pm

2 stops6h 35m

$457

Washington, D.C.Duluth

DCA - DLH

DCADLH

Washington, D.C. Reagan-National

Thu 8/14

9:05 am-2:28 pm

2 stops30h 23m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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

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 Washington, D.C. to Duluth

What is the cheapest month to book a flight from Washington, D.C. to Duluth?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Duluth (average of $336). Flying from Washington, D.C. to Duluth in June is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Duluth

Read through reviews of airlines operating flights from Washington, D.C. to Duluth, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,900 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Duluth from Washington, D.C.?
Located just 5.8 mi from the city center, Duluth Intl is the airport most travelers will use when flying to Duluth from Washington, D.C.. Booking flights from Washington, D.C. to Duluth Intl (DLH) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 2 different airlines.
What are the cheapest airlines flying from Washington, D.C. to Duluth round-trip?
According to our current data, Delta ($248), and United Airlines ($290) offers the cheapest pricing from Washington, D.C. to Duluth. These flights start at 43% lower than the current average price 3 months from now.
What are the most popular routes from Washington, D.C. to Duluth?
While some choose either Washington, D.C. Reagan-National - Duluth Intl or Baltimore/Washington - Duluth Intl, Washington, D.C. Dulles Intl - Duluth Intl is the most popular route from Washington, D.C. to Duluth.
Can I find deals for flights from Washington, D.C. to Duluth that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Duluth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Duluth.
Can I find deals for business class flights from Washington, D.C. to Duluth?
Yes. Cheapflights offers flight deals from Washington, D.C. to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Duluth?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Duluth (average of $336). Flying from Washington, D.C. to Duluth in June is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Two Harbors

Superior

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Duluth

Dulles Intl to Minneapolis flights

Reagan-National to Minneapolis flights

Dulles Intl to Sioux Falls flights

Dulles Intl to Fargo flights

Reagan-National to Sioux Falls flights

Dulles Intl to Duluth flights

Dulles Intl to Rochester flights

Reagan-National to Duluth flights

Reagan-National to Fargo flights

Reagan-National to Rochester flights

Dulles Intl to La Crosse flights

Reagan-National to La Crosse flights

Reagan-National to Brainerd flights

Dulles Intl to Hibbing flights

Reagan-National to International Falls flights

Reagan-National to Hibbing flights

Reagan-National to Bemidji flights

Dulles Intl to Bemidji flights

Other flights to Duluth

Minneapolis to Duluth flights

O'Hare Intl to Duluth flights

Duluth to Minneapolis flights

Duluth to Chicago O'Hare Intl Airport flights

Duluth to Minneapolis flights

Top 2 airlines flying from Washington, D.C. to Duluth

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$226	Average$358	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$284	Average$439	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$248+ Cheap flights from Washington, D.C. (WAS) to Duluth (DLH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

Popular in

Cheapest in

Average price

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

Cheapest flights from Washington, D.C. to DuluthExplore the most affordable flight options available from Washington, D.C. to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Washington, D.C. to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Washington, D.C. to Duluth?

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated July 31, 2025.

Read through reviews of airlines operating flights from Washington, D.C. to Duluth, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

What is the cheapest month to book a flight from Washington, D.C. to Duluth?

Traveling to a place near Duluth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Duluth

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington, D.C. to Duluth

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington, D.C. to Duluth
Explore the most affordable flight options available from Washington, D.C. to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.