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

Our cheapest airline available from Duluth to Washington, D.C. Reagan-National Airport is United Airlines. Our recent data shows that you can find tickets from as low as $417 on this airline. An additional option worth looking into is Delta, starting at $468. United Airlines is 3% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Duluth to Washington, D.C. Reagan-National Airport?

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

In terms of precipitation, rainfall in Washington, D.C. Reagan-National 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. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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. Reagan-National Airport?

Flights from Duluth to Washington, D.C. Reagan-National Airport are found to be more expensive on Saturday. 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. Reagan-National Airport.

What is the cheapest month to fly from Duluth to Washington, D.C. Reagan-National Airport?

Flights from Duluth to Washington, D.C. Reagan-National Airport lean towards being more expensive in June. Prices are generally better when you fly from Duluth to Washington, D.C. Reagan-National Airport in March, with the cheapest ticket starting at $251.

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

It’s typically best to fly out from Duluth to Washington, D.C. Reagan-National Airport at noon. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.

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

Most people fly from Duluth Intl (DLH) if they book a flight from Duluth to Washington, D.C. Reagan-National. On average, Duluth Intl has 0 outbound flights to Washington, D.C. Reagan-National per day from 2 airlines. Duluth Intl is conveniently located just 5.8 mi from Duluth’s city center.

Can I find deals for flights from Duluth to Reagan-National that include hotel bookings?

Yes. In addition to deals on Duluth to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Duluth to Reagan-National?

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

Can I find deals for business class flights from Duluth to Reagan-National?

Yes. Cheapflights offers flight deals from Duluth to Reagan-National 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. Reagan-National Airport

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Cheap flight deals from Duluth to Reagan-National

Round-trip from	$417 (United Airlines)
One-way from	$153 (Delta)
Popular in	December
Cheapest in	April
Average price	$378

From Duluth Intl to Washington, D.C. Reagan-National

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

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Highest demand for flights based on searches. 15% potential increase in price ($77 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($31 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 Reagan-National

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

Thu 7/316:03 pmDLH - DCA

1 stop4h 26mDelta

Wed 8/136:30 amDCA - DLH

1 stop4h 43mDelta

Deal found 7/27

$328

Tue 9/168:00 amDLH - DCA

1 stop6h 51mUnited Airlines

Sun 9/215:00 pmDCA - DLH

1 stop6h 05mUnited Airlines

Deal found 7/27

$417

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

Tue 9/168:00 amDLH - DCA

1 stop6h 51mUnited Airlines

Sun 9/215:00 pmDCA - DLH

1 stop6h 05mUnited Airlines

Deal found 7/27

$417

Tue 9/165:10 amDLH - DCA

2 stops8h 15mDelta

Sun 9/216:55 pmDCA - DLH

1 stop4h 48mDelta

Deal found 7/28

$468

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

Thu 7/316:03 pmDLH - DCA

1 stop4h 26mDelta

Wed 8/136:30 amDCA - DLH

1 stop4h 43mDelta

Deal found 7/27

$328

Wed 8/138:00 amDLH - DCA

1 stop6h 48mUnited Airlines

Sun 8/173:30 pmDCA - DLH

1 stop7h 30mUnited Airlines

Deal found 7/29

$546

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

Tue 9/234:20 pmDLH - DCA

1 stop6h 19mDelta

Deal found 7/28

$153

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Tue 9/16

8:00 am-3:51 pm

1 stop6h 51m

Washington, D.C. Reagan-National

Sun 9/21

5:00 pm-10:05 pm

1 stop6h 05m

$417

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Tue 9/16

5:10 am-2:25 pm

2 stops8h 15m

Washington, D.C. Reagan-National

Sun 9/21

6:55 pm-10:43 pm

1 stop4h 48m

$468

DuluthWashington, D.C.

DLH - DCA

DLHDCA

Duluth Intl

Tue 9/23

4:20 pm-11:39 pm

1 stop6h 19m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Duluth to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

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

Currently, February is the cheapest month in which you can book a flight from Duluth to Washington, D.C. Reagan-National Airport (average of $278). Flying from Duluth to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 Reagan-National

Read through reviews of airlines operating flights from Duluth to Washington, D.C. Reagan-National Airport, 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

7,977 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

7,977 reviews

Delta

8.0

Very good

7,977 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

8,899 reviews

Delta

8.0

Very good

7,977 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. Reagan-National?
Most people fly from Duluth Intl (DLH) if they book a flight from Duluth to Washington, D.C. Reagan-National. On average, Duluth Intl has 0 outbound flights to Washington, D.C. Reagan-National per day from 2 airlines. Duluth Intl is conveniently located just 5.8 mi from Duluth’s city center.
What are the cheapest airlines flying from Duluth to Washington, D.C. Reagan-National Airport round-trip?
Our cheapest airline available from Duluth to Washington, D.C. Reagan-National Airport is United Airlines. Our recent data shows that you can find tickets from as low as $417 on this airline. An additional option worth looking into is Delta, starting at $468. United Airlines is 3% 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 Reagan-National that include hotel bookings?
Yes. In addition to deals on Duluth to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Duluth to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Reagan-National.
Can I find deals for business class flights from Duluth to Reagan-National?
Yes. Cheapflights offers flight deals from Duluth to Reagan-National 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. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Duluth to Washington, D.C. Reagan-National Airport (average of $278). Flying from Duluth to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Easton

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Waldorf

Laurel

Rockville

Oxon Hill

Springfield

National Harbor

Dundalk

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Top 2 airlines flying from Duluth to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$258	Average$388	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$318	Average$428	FlexibilityNo cancel fee	On-time69%

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$153+ Cheap flights from Duluth (DLH) to Reagan-National (DCA)

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 Reagan-National 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 Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Duluth to Reagan-National

Cheapest flights from Duluth to Reagan-NationalExplore the most affordable flight options available from Duluth to Reagan-National. 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 Reagan-National. 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. Reagan-National Airport that are best for you.

Best time to book a flight from Duluth to Reagan-National

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

Cheapflights Insights

Everything you need to know about your flight from Duluth to Washington, D.C. Reagan-National Airport

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

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from Duluth to Washington, D.C. Reagan-National Airport, 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 Duluth to Reagan-National. 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. Reagan-National?

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

Can I find deals for flights from Duluth to Reagan-National that include hotel bookings?

How can I find direct flights from Duluth to Reagan-National?

Can I find deals for business class flights from Duluth to Reagan-National?

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

Traveling to a place near Washington, D.C. Reagan-National 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 Reagan-National

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

Top 2 airlines flying from Duluth to Reagan-National

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