$133 Cheap Delta flights Duluth (DLH) to Washington (DCA)

View $133 flight on Mon, Aug 25, 2025Opens in a new window

$133 Cheap Delta flights Duluth (DLH) to Washington (DCA)

Prices were available within the past 7 days and start at $133 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 24 - Tue, Sep 30
DLH
Duluth
DCA
Washington
$238 Roundtrip, found 5 days ago
$238
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Sep 24 from Duluth to Washington, returning Tue, Sep 30, priced at $238 found 5 days ago
Delta
Wed, Sep 24 - Sun, Sep 28
DLH
Duluth
DCA
Washington
$243 Roundtrip, found 5 days ago
$243
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Sep 24 from Duluth to Washington, returning Sun, Sep 28, priced at $243 found 5 days ago
Delta
Thu, Sep 18 - Tue, Sep 23
DLH
Duluth
DCA
Washington
$248 Roundtrip, just found
$248
Roundtrip
just found
Select Delta flight, departing Thu, Sep 18 from Duluth to Washington, returning Tue, Sep 23, priced at $248 just found
Delta
Thu, Sep 25 - Sat, Oct 11
DLH
Duluth
DCA
Washington
$254 Roundtrip, found 6 hours ago
$254
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Sep 25 from Duluth to Washington, returning Sat, Oct 11, priced at $254 found 6 hours ago
Delta
Sat, Aug 30 - Mon, Sep 8
DLH
Duluth
DCA
Washington
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 30 from Duluth to Washington, returning Mon, Sep 8, priced at $258 found 2 days ago
Delta
Fri, Sep 12 - Sat, Sep 13
DLH
Duluth
DCA
Washington
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Sep 12 from Duluth to Washington, returning Sat, Sep 13, priced at $263 found 2 days ago
Flights from Duluth (DLH) to Washington (DCA)
Origin airport
Duluth Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Delta, United
Popular airline
Delta
Distance
942 mi

Frequently asked questions

How much is a Delta Air Lines flight from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
You can find cheap return Delta Air Lines flights from $238 from DLH to DCA by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $133 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DLH to DCA with Delta Air Lines?
Delta Air Lines flights to Washington are generally cheaper in the quieter months of January and February. Whether you're after a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA) with Delta Air Lines?
Look for affordable Delta Air Lines flights from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
To figure out if there's a direct trip from DLH to DCA with Delta Air Lines or other carriers, check the "Nonstop" filter when browsing for tickets.
What is the earliest Delta Air Lines flight from DLH to DCA?
To find the earliest departures from DLH to DCA with Delta Air Lines, filter your results by "Early Morning" and "Morning." Choosing an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Washington?
Delta Air Lines flights from Duluth Intl. Airport (DLH) to Washington come in to Ronald Reagan Washington National Airport (DCA). This is the main entry point to this destination.
Why fly with Delta Air Lines from DLH to DCA?
With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many passengers flying from DLH to DCA. What's more, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Duluth Intl. Airport (DLH) to Ronald Reagan Washington National Airport (DCA)?
In most cases, you can cancel or change your flight, although there may be additional fees if you booked over 24 hours ago. Want to keep your options open? Make use of Expedia's "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to adjust your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.