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

View $298 flight on Sat, Aug 22, 2026Opens in a new window

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

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Cheap Flights from Washington to Duluth (DCA-DLH)

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.

Delta
Thu, Oct 22 - Sat, Oct 24
DCA
Washington
DLH
Duluth
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Oct 22 from Washington to Duluth, returning Sat, Oct 24, priced at $308 found 3 days ago
United
Sun, Aug 23 - Mon, Aug 31
DCA
Washington
DLH
Duluth
$308 Roundtrip, found 1 day ago
$308
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 23 from Washington to Duluth, returning Mon, Aug 31, priced at $308 found 1 day ago
United
Sun, Aug 23 - Mon, Aug 31
DCA
Washington
DLH
Duluth
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 23 from Washington to Duluth, returning Mon, Aug 31, priced at $327 found 1 day ago
United
Mon, Aug 31 - Sat, Sep 5
DCA
Washington
DLH
Duluth
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 31 from Washington to Duluth, returning Sat, Sep 5, priced at $328 found 4 days ago
United
Tue, Sep 8 - Sat, Sep 12
DCA
Washington
DLH
Duluth
$333 Roundtrip, found 2 days ago
$333
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 8 from Washington to Duluth, returning Sat, Sep 12, priced at $333 found 2 days ago
Delta
Thu, Oct 22 - Sat, Oct 24
DCA
Washington
DLH
Duluth
$338 Roundtrip, found 3 days ago
$338
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Oct 22 from Washington to Duluth, returning Sat, Oct 24, priced at $338 found 3 days ago
United
Thu, Aug 27 - Thu, Sep 3
DCA
Washington
DLH
Duluth
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 27 from Washington to Duluth, returning Thu, Sep 3, priced at $339 found 6 days ago
United
Fri, Sep 4 - Sat, Sep 12
DCA
Washington
DLH
Duluth
$346 Roundtrip, found 2 days ago
$346
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 4 from Washington to Duluth, returning Sat, Sep 12, priced at $346 found 2 days ago
United
Thu, Oct 1 - Sun, Oct 4
DCA
Washington
DLH
Duluth
$350 Roundtrip, found 2 days ago
$350
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 1 from Washington to Duluth, returning Sun, Oct 4, priced at $350 found 2 days ago
United
Tue, Sep 8 - Sat, Sep 12
DCA
Washington
DLH
Duluth
$351 Roundtrip, found 2 days ago
$351
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 8 from Washington to Duluth, returning Sat, Sep 12, priced at $351 found 2 days ago

Alternative airports near Duluth

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

Select flight to Duluth Intl. DLH. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $746
DLH
Duluth Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $746

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

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

Travel with a selection of airlines offering routes from Washington (DCA) to Duluth (DLH) on this domestic short-haul journey. Compare options from both full-service and budget carriers to discover the itinerary that aligns best with your budget, schedule, and travel preferences as you visit Duluth's renowned attractions and neighborhoods. Get all the essential information for flights departing from Ronald Reagan Washington National Airport (DCA) to Duluth International Airport (DLH).

  • Fastest flight duration: around 4 hours in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 900 miles (1,450 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $145–$545, depending on seasonality and how far ahead you book

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

According to recent traveler bookings, the top airlines flying from Washington to Duluth are favored for their one-stop services. Popular layover options include O'Hare International Airport (ORD) with an approximate 1 hour and 30-minute connection, and Minneapolis-St. Paul International Airport (MSP) with a roughly 1-hour layover. This variety allows you to customize your itinerary by balancing price, total travel time, and cabin class for a more tailored travel experience.

  • United: This full-service airline provides a convenient one-stop service, with one-way prices generally falling between $145 and $475. It constitutes about 54% of departures for this route, featuring a flight duration of 4 hours and an overall travel time of approximately 5 hours and 15 minutes, including layover.
  • Delta: Another full-service option, Delta also offers one-stop flights, with one-way fares typically ranging from $150 to $550. It represents around 46% of departures on this route, with a 4-hour in-flight time and a total journey duration of roughly 5 hours and 15 minutes, including the layover.

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

  • Washington to Duluth (IAD-DLH): Located approximately 23 miles from Ronald Reagan Washington National Airport (DCA), Washington Dulles International Airport (IAD) offers one-way economy fares that generally fall between $130 and $440, influenced by factors such as the season and how far in advance you book. This route often features one-stop flights, with common layover locations including Minneapolis - St. Paul International Airport (MSP) and O'Hare International Airport (ORD). Major airlines operating on this route include United and Delta.

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

Getting some of the best deals on flights from Washington to Duluth 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 available when booking 2-8 weeks in advance, which aligns with the booking habits of most travelers. Evening departures between 6 PM and 12 AM tend to be less expensive, although morning flights from 5 AM to 12 PM are more popular. Additionally, Tuesday is both the most affordable and 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.* Find Duluth hotel and flight deals.
  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 Duluth International Airport from Ronald Reagan Washington National Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Duluth, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Duluth International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Duluth International 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 Duluth International Airport, Duluth Seaport, a seaport, is located about 7.2 miles away by car, while Duluth Transportation Center, a bus station, is situated approximately 7.4 miles away by car, providing convenient access to both transportation options.

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) cost?
You can find cheap one-way flights from $298 and cheap return flights from $308 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) with Expedia. One-way flights typically cost between $133 and $567, and return flights often range between $403 and $1317. 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
The cheapest month to fly from DCA to DLH is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
Enter DCA to DLH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
United is one of the cheapest airlines offering connecting flights from Washington, DC (DCA) to Duluth, MN (DLH), with round-trip tickets starting from around $313 with a layover in Liberty Intl. (EWR). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.), 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
The earliest flight from Washington, DC (DCA) to Duluth, MN (DLH) usually departs at around 6:00 AM, operated by Delta. This seasonal service is available in March, April, and December, making it a good choice for early travelers looking to reach Duluth. 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
The most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) are in the early morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including Delta and United, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Duluth with time to spare.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
Flying from DCA to DLH with a connection usually takes about 5 hours, traveling roughly 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
First class seats are offered on the DCA to DLH route with Delta Air Lines and United Airlines.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) 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 Duluth from Ronald Reagan Washington National (DCA)?
If you're planning to travel to Duluth from Ronald Reagan Washington National (DCA), you can fly into Duluth Intl. (DLH) Some flights may connect through major hubs like Liberty Intl. (EWR), LaGuardia (LGA), Cincinnati - Northern Kentucky Intl. (CVG) before reaching Duluth. 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) Duluth 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 Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Duluth, MN (DLH-Duluth Intl.) 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
Ronald Reagan Washington National
Destination airport
Duluth Intl.
Airlines serving
Delta, United
Roundtrip price
$308
Distance
942 mi

Book with confidence

Washington to Duluth Flights

The cheapest times to fly from Washington to Duluth

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 Washington to Duluth are during the month of October. You can find some of the cheapest flights from Washington to Duluth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Duluth

Sunday is one of the best days to book for cheap flights from Washington to Duluth: 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 Washington to Duluth

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 Washington to Duluth 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 Washington to Duluth 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 Washington to Duluth 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.

 

Washington to Duluth Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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