An airport terminal with a control tower, a covered walkway, and multiple jet bridges.

$298 Cheap Flights from Duluth (DLH) to Washington (DCA)

View $298 flight on Fri, Aug 7, 2026Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Duluth to Washington (DLH-DCA)

Prices were available within the past 7 days and start at $298 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Aug 20 - Wed, Aug 26
DLH
Duluth
DCA
Washington
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 20 from Duluth to Washington, returning Wed, Aug 26, priced at $308 found 3 days ago
United
Mon, Aug 31 - Sat, Sep 5
DLH
Duluth
DCA
Washington
$327 Roundtrip, found 4 days ago
$327
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 31 from Duluth to Washington, returning Sat, Sep 5, priced at $327 found 4 days ago
United
Thu, Aug 20 - Wed, Aug 26
DLH
Duluth
DCA
Washington
$328 Roundtrip, found 3 days ago
$328
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 20 from Duluth to Washington, returning Wed, Aug 26, priced at $328 found 3 days ago
Delta
Thu, Aug 20 - Wed, Aug 26
DLH
Duluth
DCA
Washington
$333 Roundtrip, found 3 days ago
$333
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Duluth to Washington, returning Wed, Aug 26, priced at $333 found 3 days ago
Delta
Mon, Aug 31 - Sat, Sep 5
DLH
Duluth
DCA
Washington
$338 Roundtrip, found 4 days ago
$338
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Aug 31 from Duluth to Washington, returning Sat, Sep 5, priced at $338 found 4 days ago
Delta
Thu, Aug 20 - Wed, Aug 26
DLH
Duluth
DCA
Washington
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Duluth to Washington, returning Wed, Aug 26, priced at $358 found 3 days ago
Delta
Thu, Aug 20 - Wed, Aug 26
DLH
Duluth
DCA
Washington
$368 Roundtrip, found 3 days ago
$368
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Duluth to Washington, returning Wed, Aug 26, priced at $368 found 3 days ago
United
Mon, Aug 31 - Sat, Sep 5
DLH
Duluth
DCA
Washington
$372 Roundtrip, found 4 days ago
$372
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 31 from Duluth to Washington, returning Sat, Sep 5, priced at $372 found 4 days ago
Delta
Mon, Aug 31 - Sat, Sep 5
DLH
Duluth
DCA
Washington
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Aug 31 from Duluth to Washington, returning Sat, Sep 5, priced at $374 found 4 days ago
United
Mon, Aug 31 - Sat, Sep 5
DLH
Duluth
DCA
Washington
$375 Roundtrip, found 4 days ago
$375
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 31 from Duluth to Washington, returning Sat, Sep 5, priced at $375 found 4 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $511
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city center40 min
Flights from $511

Find the cheapest month to fly from Duluth (DLH) to Washington (DCA)

March is typically the cheapest month to fly

From $248 - $560 per traveler.

What you need to know for your flight from Duluth Intl. to Ronald Reagan Washington National

Duluth (DLH) to Washington (DCA) at a glance

Explore various options for flights from Duluth (DLH) to Washington (DCA) on this domestic short-haul route. Compare a range of airlines, from full-service carriers to budget-friendly choices, to find the itinerary that aligns with your budget and travel plans. As you prepare to discover Washington’s renowned sights and neighborhoods, gather essential details about your journey from Duluth International Airport (DLH) to Ronald Reagan Washington National Airport (DCA).

  • Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 900 miles (1,450 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$480, depending on seasonality and how far ahead you book

Flights from Duluth International Airport (DLH) to Ronald Reagan Washington National Airport (DCA)

Based on recent traveler bookings, here are the top airlines preferred by passengers flying from Duluth to Washington. These carriers typically offer one-stop service, with popular layover options at O'Hare International Airport (ORD) and Minneapolis-St. Paul International Airport (MSP), each featuring a layover of about 1 hour and 30 minutes. This variety allows you to balance factors like price, total travel time, and cabin class to create the best travel itinerary for your needs.

  • United: As a comprehensive airline, United provides convenient one-stop service with one-way ticket prices usually between $125 and $435. This carrier represents about 54% of flights on this route, featuring an in-flight duration of 3 hours and 45 minutes, with the total travel time, including layover, being approximately 5 hours and 15 minutes.
  • Delta: Another full-service option, Delta offers one-stop travel with one-way fares generally ranging from $140 to $550. This airline accounts for around 46% of departures on the route, providing an in-flight time of 3 hours and 45 minutes, and a total journey time of about 5 hours and 15 minutes, including the layover.

Best time to fly from Duluth (DLH) to Washington (DCA)

The most popular months for travelers flying from Duluth to Washington are March, April, and September, when peak temperatures in Washington reach up to 71.1°F in September. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 35.1°F. For better deals, November usually offers the lowest average one-way fare around $200. Flight availability peaks in March, with approximately 9 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: November usually offers good deals with average one-way fare around $200, roughly 19% cheaper than the yearly average.
  • Another budget-friendly time to fly: May typically offers an average one-way fare of around $201.
  • Most flight options: March has the highest number of flights from Duluth to Washington, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January35.1°F (1.7°C)Low7$240
February38.3°F (3.5°C)Average8$274
March45.7°F (7.6°C)High9$337
April56.3°F (13.5°C)High8$234
May65.7°F (18.7°C)Average7$201
June74.3°F (23.5°C)Low7$276
July79.5°F (26.4°C)Average7$237
August77.4°F (25.2°C)Average7$235
September71.1°F (21.7°C)High8$245
October59.9°F (15.5°C)Low7$250
November47.8°F (8.8°C)Average7$200
December40.6°F (4.8°C)Average8$245

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Duluth (DLH) to Washington (DCA)

  • Duluth to Washington (DLH-IAD): Washington Dulles International Airport (IAD) is located approximately 23 miles from Ronald Reagan Washington National Airport (DCA). One-way economy prices for this route generally fall between $130 and $450, influenced by the time of year and how far in advance you book. Typically, travelers find one-stop flights available, with common layover points at Minneapolis - St. Paul International Airport (MSP) and O'Hare International Airport (ORD). Leading airlines for this route include United and Delta.

How to find the best prices for flights from Duluth (DLH) to Washington (DCA)

Getting some of the best deals on flights from Duluth to Washington is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures between 5 am and 12 pm often offer lower prices and are also the most popular flight times. Additionally, flying on Tuesday typically yields cheaper prices, while Wednesday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Ronald Reagan Washington National Airport from Duluth International Airport

Washington welcomes travelers from Duluth with a range of transport options based on price, convenience, and proximity. Washington city center is approximately a 10-minute drive (covering about 5 miles) from Ronald Reagan Washington National Airport, depending on traffic. Here's how to reach Washington efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Washington, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Ronald Reagan Washington National Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Ronald Reagan Washington National Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Ronald Reagan Washington National Airport, National Airport Station (a metro station) is located just 0.2 miles away on foot, providing easy access to metro services, while Alexandria Station (a train station) is about 3.8 miles from the airport and can be reached by car. Additionally, Washington Seaport (a seaport) is situated approximately 4.8 miles away by car, making it convenient for sea travel.

Frequently asked questions

How much does a flight from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) cost?
You can find cheap one-way flights from $298 and cheap return flights from $308 Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) with Expedia. One-way flights generally range between $292 and $829, and roundtrip flights usually range from $368 to $1139. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
December is the cheapest month to fly from Duluth, MN (DLH) to Washington, DC (DCA), with average return fares around $294. This fare is about 30% lower than the average price throughout the year, as travel demand is generally lower during the holiday season. Other affordable months to consider are January and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Enter DLH to DCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best months to fly from Duluth (DLH) to Washington, DC (DCA) are December and January. Return flights during these months average around $294, making them the most economical choices. December is festive in DC, with holiday decorations and events, while January offers a quieter travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Duluth International Airport (DLH) to Ronald Reagan Washington National (DCA) typically departs at around 5:00 AM. This seasonal service can help you make the most of your day in Washington, D.C. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from Duluth, MN (DLH) to Washington, DC (DCA) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including United Airlines and Delta Airlines, offer flights during this window. This timing works well because it allows you to arrive in Washington, DC, with a full day ahead of you.
How long does it take to fly from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Flights from DLH to DCA with one stop typically take around 5 hours, covering approximately 942 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
First class seats are offered on the DLH to DCA route with Delta Air Lines and United Airlines.
How do I earn miles on a Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Duluth Intl. (DLH)?
From Duluth Intl. (DLH), you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD) in Washington. Some flights may connect through major hubs like O'Hare Intl. (ORD), Minneapolis - St. Paul Intl. (MSP) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) Washington Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your Duluth, MN (DLH-Duluth Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Duluth Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Delta, United
Roundtrip price
$308
Distance
942 mi

Book with confidence

Duluth to Washington Flights

The cheapest times to fly from Duluth to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Duluth to Washington are during the month of August. You can find some of the cheapest flights from Duluth to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Duluth to Washington

Sunday is one of the best days to book for cheap flights from Duluth to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Duluth to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Duluth to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $298 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Duluth to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Duluth to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Duluth to Washington Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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