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

United Airlines, 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 Delta.

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

Currently, August is the cheapest month in which you can book a flight from Duluth to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Duluth to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

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?

July can be a great time to fly to Washington, D.C. Dulles Intl Airport from Duluth with a flight ticket averaging about $358. Cheapflights users have found deals in the month of July for as cheap as $230. 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 0 different airlines.

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.

$191+ 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 (United Airlines)
One-way from	$191 (United Airlines)
Popular in	June
Cheapest in	July
Average price	$627

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($52 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 12, 2025.

Thu 8/2811:20 amDLH - IAD

1 stop5h 10mUnited Airlines

Tue 9/210:15 amIAD - DLH

1 stop5h 20mUnited Airlines

Deal found 6/10

$248

Tue 9/165:10 amDLH - IAD

1 stop5h 19mDelta

Sun 9/216:40 pmIAD - DLH

1 stop6h 04mDelta

Deal found 6/10

$337

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 June 12, 2025.

Thu 8/2811:20 amDLH - IAD

1 stop5h 10mUnited Airlines

Tue 9/210:15 amIAD - DLH

1 stop5h 20mUnited Airlines

Deal found 6/10

$248

Tue 9/165:10 amDLH - IAD

1 stop5h 19mDelta

Sun 9/216:40 pmIAD - DLH

1 stop6h 04mDelta

Deal found 6/10

$337

Last-minute flights from Duluth to Dulles Intl
Discover last-minute flight deals from Duluth to Dulles Intl. Data last updated June 12, 2025 and is based on user searches.

Tue 6/178:00 amDLH - IAD

1 stop7h 09mUnited Airlines

Sat 6/288:50 amIAD - DLH

2 stops14h 10mUnited Airlines

Deal found 6/11

$598

Wed 6/185:15 amDLH - IAD

1 stop5h 07mDelta

Wed 6/256:54 pmIAD - DLH

1 stop5h 46mDelta

Deal found 6/11

$668

Fri 7/42:00 pmDLH - IAD

2 stops8h 14mDelta

Sun 7/136:20 amIAD - DLH

1 stop5h 03mDelta

Deal found 6/11

$354

Fri 7/48:00 amDLH - IAD

1 stop4h 49mUnited Airlines

Mon 7/145:13 pmIAD - DLH

1 stop5h 47mUnited Airlines

Deal found 6/12

$372

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 June 12, 2025.

Wed 7/236:13 pmDLH - IAD

1 stop5h 17mUnited Airlines

Deal found 6/11

$191

Tue 7/224:01 pmDLH - IAD

1 stop6h 24mDelta

Deal found 6/11

$198

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

Thu 8/28

11:20 am-5:30 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

Tue 9/2

10:15 am-2:35 pm

1 stop5h 20m

$248

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 9/16

5:10 am-11:29 am

1 stop5h 19m

Washington, D.C. Dulles Intl

Sun 9/21

6:40 pm-11:44 pm

1 stop6h 04m

$337

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Wed 7/23

6:13 pm-12:30 am

1 stop5h 17m

$191

DuluthWashington, D.C.

DLH - IAD

DLHIAD

Duluth Intl

Tue 7/22

4:01 pm-11:25 pm

1 stop6h 24m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

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

Rainfall in Dulles Intl by month

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.

Temperature in Dulles Intl by month

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).

Reviews of airlines servicing Dulles Intl

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

Delta

8.0

Very good

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 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

8,790 reviews

Delta

8.0

Very good

7,950 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 0 different airlines.
What are the cheapest airlines flying from Duluth to Washington, D.C. Dulles Intl Airport round-trip?
United Airlines, 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 Delta.
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, August is the cheapest month in which you can book a flight from Duluth to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Duluth to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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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$191+ 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 7/23. 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 June 12, 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 June 12, 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.

Cheapflights Insights

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Delta and United Airlines from Duluth to Washington, D.C.. 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

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 Duluth?

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Alternative routes for Duluth to Dulles Intl

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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 June 12, 2025.