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

Delta, at $248, was found to be the cheapest airline from Duluth to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be United Airlines. Delta is 42% cheaper than the average price of flights available within the next 90 days to this destination.

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

Currently, July is the cheapest month in which you can book a flight from Duluth to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Duluth to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 is the cheapest day to fly round-trip from Duluth to Washington, D.C. Dulles Intl Airport?

Wednesday flights are generally found to be more expensive for flights from Duluth to Washington, D.C. Dulles Intl Airport. 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 Washington, D.C. Dulles Intl Airport.

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

March can be a great time to fly to Washington, D.C. Dulles Intl Airport from Duluth with a flight ticket averaging about $373. Cheapflights users have found deals in the month of March for as cheap as $251. The most expensive prices can be found in the month of June.

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

When flying from Duluth to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight at noon.

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

If you book a flight to Washington, D.C. Dulles Intl from Duluth, you will be flying from Duluth Intl, which is the city’s only airport. Duluth Intl (DLH) is located 5.8 mi from the center of Duluth. There are 0 flights from Duluth Intl to Washington, D.C. Dulles Intl per day from 1 airline.

Can I find deals for flights from Duluth to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Duluth to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Duluth to Dulles Intl?

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

Can I find deals for business class flights from Duluth to Dulles Intl?

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

$153+ Flights from Duluth to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Duluth to Dulles Intl

Round-trip from	$248 (Delta)
One-way from	$153 (Delta)
Popular in	June
Cheapest in	January
Average price	$522

From Duluth Intl to Washington, D.C. Dulles Intl

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One-way flight from Duluth Intl to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 33% potential increase in price ($221 potential increase over avg. RT price).

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Cheapest flight prices on average. 17% potential price decrease ($65 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Duluth to Dulles Intl

Cheapest flights from Duluth to Dulles Intl
Explore the most affordable flight options available from Duluth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Wed 9/104:19 pmDLH - IAD

1 stop6h 21mDelta

Sun 9/146:15 amIAD - DLH

1 stop4h 52mDelta

Deal found 7/28

$248

Mon 8/183:03 pmDLH - IAD

2 stops19h 27mUnited Airlines

Fri 8/2210:18 pmIAD - DLH

2 stops13h 27mUnited Airlines

Deal found 7/28

$710

Best flights from Duluth to Dulles Intl
Discover carefully curated flight deals from Duluth to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Wed 9/104:19 pmDLH - IAD

1 stop6h 21mDelta

Sun 9/146:15 amIAD - DLH

1 stop4h 52mDelta

Deal found 7/28

$248

Mon 8/183:03 pmDLH - IAD

2 stops19h 27mUnited Airlines

Fri 8/2210:18 pmIAD - DLH

2 stops13h 27mUnited Airlines

Deal found 7/28

$710

Last-minute flights from Duluth to Dulles Intl
Discover last-minute flight deals from Duluth to Dulles Intl. Data last updated July 29, 2025 and is based on user searches.

Thu 7/315:15 amDLH - IAD

1 stop4h 39mDelta

Wed 8/136:15 amIAD - DLH

1 stop4h 58mDelta

Deal found 7/27

$328

Mon 8/183:03 pmDLH - IAD

2 stops19h 27mUnited Airlines

Fri 8/2210:18 pmIAD - DLH

2 stops13h 27mUnited Airlines

Deal found 7/28

$710

One-way flights from Duluth to Dulles Intl
Search for one-way flight options from Duluth to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Tue 9/235:10 amDLH - IAD

1 stop5h 08mDelta

Deal found 7/28

$153

Cheapflights Fare Finder

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

Wed 9/10

4:19 pm-11:40 pm

1 stop6h 21m

Washington, D.C. Dulles Intl

Sun 9/14

6:15 am-10:07 am

1 stop4h 52m

$248

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Mon 8/18

3:03 pm-11:30 am

2 stops19h 27m

Washington, D.C. Dulles Intl

Fri 8/22

10:18 pm-10:45 am

2 stops13h 27m

$710

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 9/23

5:10 am-11:18 am

1 stop5h 08m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Duluth to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Duluth 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.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Delta and United Airlines from Duluth to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,979 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

7,979 reviews

Delta

8.0

Very good

7,979 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

8,896 reviews

Delta

8.0

Very good

7,979 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 from for flights from Duluth to Washington, D.C. Dulles Intl?
If you book a flight to Washington, D.C. Dulles Intl from Duluth, you will be flying from Duluth Intl, which is the city’s only airport. Duluth Intl (DLH) is located 5.8 mi from the center of Duluth. There are 0 flights from Duluth Intl to Washington, D.C. Dulles Intl per day from 1 airline.
What are the cheapest airlines flying from Duluth to Washington, D.C. Dulles Intl Airport round-trip?
Delta, at $248, was found to be the cheapest airline from Duluth to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be United Airlines. Delta is 42% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Duluth to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Duluth to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Duluth to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Dulles Intl.
Can I find deals for business class flights from Duluth to Dulles Intl?
Yes. Cheapflights offers flight deals from Duluth to Dulles Intl 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 Duluth to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Duluth to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Duluth to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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Dundalk

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Top airline flying from Duluth to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$257	Average$452	FlexibilityNo cancel fee	On-time69%

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$153+ Cheap flights from Duluth (DLH) to Dulles Intl (IAD)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Duluth to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Duluth to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Duluth to Dulles Intl

Cheapest flights from Duluth to Dulles IntlExplore the most affordable flight options available from Duluth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Duluth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Duluth to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Duluth with our price prediction graph.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Delta and United Airlines from Duluth to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Dulles Intl. 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 from for flights from Duluth to Washington, D.C. Dulles Intl?

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

Can I find deals for flights from Duluth to Dulles Intl that include hotel bookings?

How can I find direct flights from Duluth to Dulles Intl?

Can I find deals for business class flights from Duluth to Dulles Intl?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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 Duluth to Dulles Intl

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

Top airline flying from Duluth to Dulles Intl

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Book with Flexibility

Travel Smart

Cheapest flights from Duluth to Dulles Intl
Explore the most affordable flight options available from Duluth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.