$237 Cheap United flights Duluth (DLH) to Harlingen (HRL)

View $237 flight on Wed, Mar 4, 2026Opens in a new window
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$237 Cheap United flights Duluth (DLH) to Harlingen (HRL)

Prices were available within the past 7 days and start at $237 for one-way flights and $455 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Mar 4 - Wed, Mar 25
DLH
Duluth
HRL
Harlingen
$455 Roundtrip, found 12 hours ago
$455
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Mar 4 from Duluth to Harlingen, returning Wed, Mar 25, priced at $455 found 12 hours ago
United
Wed, Mar 4 - Wed, Mar 25
DLH
Duluth
HRL
Harlingen
$458 Roundtrip, found 12 hours ago
$458
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Mar 4 from Duluth to Harlingen, returning Wed, Mar 25, priced at $458 found 12 hours ago
United
Wed, Jan 21 - Sun, Jan 25
DLH
Duluth
HRL
Harlingen
$467 Roundtrip, found 2 days ago
$467
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 21 from Duluth to Harlingen, returning Sun, Jan 25, priced at $467 found 2 days ago
United
Wed, Mar 4 - Wed, Mar 25
DLH
Duluth
HRL
Harlingen
$495 Roundtrip, found 12 hours ago
$495
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Mar 4 from Duluth to Harlingen, returning Wed, Mar 25, priced at $495 found 12 hours ago
United
Wed, Mar 4 - Wed, Mar 25
DLH
Duluth
HRL
Harlingen
$498 Roundtrip, found 12 hours ago
$498
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Mar 4 from Duluth to Harlingen, returning Wed, Mar 25, priced at $498 found 12 hours ago
United
Wed, Mar 4 - Wed, Mar 25
DLH
Duluth
HRL
Harlingen
$512 Roundtrip, found 12 hours ago
$512
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Mar 4 from Duluth to Harlingen, returning Wed, Mar 25, priced at $512 found 12 hours ago

Alternative airports near Harlingen

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

Select flight to Valley Intl. HRL. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $747
HRL
Valley Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $747
Flights from Duluth (DLH) to Harlingen (HRL)
Origin airport
Duluth Intl.
Destination airport
Valley Intl.
Airlines serving
Delta, United
Popular airline
United
Distance
1455 mi

Frequently asked questions

How much is a United Airlines flight from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
Apply the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines round-trip flights from $455 from DLH to HRL. Affordable one-way options from $237 are available as well.**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 HRL with United Airlines?
January is one of the least expensive months to jet away to Harlingen with United Airlines. You could also find fantastic deals on one-way and round-trip fares in September.
What is the cheapest time to book flights from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL) with United Airlines?
Look for affordable United Airlines flights from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL) one to three months prior to 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. Regardless of fare class and itinerary, the best day to book a domestic flight is usually 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 United Airlines fly nonstop from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
Simply enter your dates, click search and use the "Nonstop" filter on Expedia to browse any direct flights from DLH to HRL with United Airlines or other carriers.
What is the earliest United Airlines flight from DLH to HRL?
To find the earliest departure from DLH to HRL with United Airlines, filter your search by "Early Morning" and "Morning." Booking 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 United Airlines fly into in Harlingen?
Catch a United Airlines flight from Duluth Intl. Airport (DLH) to Harlingen, and you'll likely land at Valley Intl. Airport (HRL). This is the airline's primary hub in this destination.
Why fly with United Airlines from DLH to HRL?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to leave from DLH to HRL with United Airlines. Plus, when you join Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to United Airlines's loyalty program earnings. It's yours to spend on future travel plans.*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 United Airlines flight from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
Changes are typically free within 24 hours of making a booking, but your airline may charge you after that. For further information about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to adjust your plans without additional costs, tick the "Changes included" or "No cancel fee" filter when planning your next adventure.

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