$161 Cheap Flights from Duluth (DLH) to Harlingen (HRL)

View $161 flight on Wed, May 6, 2026Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Valley Intl. Airport (HRL)

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Cheap Flights from Duluth to Harlingen (DLH-HRL)

Prices were available within the past 7 days and start at $161 for one-way flights and $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Apr 19 - Fri, May 1
DLH
Duluth
HRL
Harlingen
$327 Roundtrip, found 2 hours ago
$327
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Apr 19 from Duluth to Harlingen, returning Fri, May 1, priced at $327 found 2 hours ago
Delta
Sun, Apr 19 - Wed, Apr 29
DLH
Duluth
HRL
Harlingen
$355 Roundtrip, found 2 hours ago
$355
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Apr 19 from Duluth to Harlingen, returning Wed, Apr 29, priced at $355 found 2 hours ago
Delta
Mon, Apr 20 - Fri, May 1
DLH
Duluth
HRL
Harlingen
$371 Roundtrip, found 2 hours ago
$371
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Apr 20 from Duluth to Harlingen, returning Fri, May 1, priced at $371 found 2 hours ago
Delta
Thu, Apr 2 - Thu, Apr 9
DLH
Duluth
HRL
Harlingen
$377 Roundtrip, found 1 day ago
$377
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Apr 2 from Duluth to Harlingen, returning Thu, Apr 9, priced at $377 found 1 day ago
Delta
Sun, Apr 19 - Tue, Apr 28
DLH
Duluth
HRL
Harlingen
$392 Roundtrip, found 2 hours ago
$392
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Apr 19 from Duluth to Harlingen, returning Tue, Apr 28, priced at $392 found 2 hours ago
Delta
Mon, Apr 20 - Wed, Apr 29
DLH
Duluth
HRL
Harlingen
$400 Roundtrip, found 2 hours ago
$400
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Apr 20 from Duluth to Harlingen, returning Wed, Apr 29, priced at $400 found 2 hours ago
Delta
Thu, Apr 16 - Fri, May 1
DLH
Duluth
HRL
Harlingen
$403 Roundtrip, found 2 hours ago
$403
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Apr 16 from Duluth to Harlingen, returning Fri, May 1, priced at $403 found 2 hours ago
Delta
Thu, Apr 2 - Wed, Apr 8
DLH
Duluth
HRL
Harlingen
$409 Roundtrip, found 1 day ago
$409
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Apr 2 from Duluth to Harlingen, returning Wed, Apr 8, priced at $409 found 1 day ago
Delta
Sat, Feb 7 - Sat, Feb 14
DLH
Duluth
HRL
Harlingen
$412 Roundtrip, found 2 days ago
$412
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Feb 7 from Duluth to Harlingen, returning Sat, Feb 14, priced at $412 found 2 days ago
United
Wed, Mar 4 - Wed, Mar 25
DLH
Duluth
HRL
Harlingen
$465 Roundtrip, found 15 hours ago
$465
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Mar 4 from Duluth to Harlingen, returning Wed, Mar 25, priced at $465 found 15 hours ago

Alternative airports near Harlingen

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

Select flight to Brownsville-South Padre Island Intl. BRO. Average driving time to city center is 33 minutes. Flights from $880
BRO
Brownsville-South Padre Island Intl.
Average driving time to city center33 min
Flights from $880
Flights from Duluth (DLH) to Harlingen (HRL)
Origin airport
Duluth Intl.
Destination airport
Valley Intl.
Airlines serving
Delta, United
Roundtrip price
$326
Distance
1455 mi

Duluth to Harlingen Flights

The cheapest times to fly from Duluth to Harlingen

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

 

The best time to book a flight from Duluth to Harlingen

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

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 Harlingen in 2026. You can also book with separate airlines for your outbound and return journeys, from $161 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 Harlingen 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 Harlingen 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.

 

Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL) cost?
Grab a cheap one-way flight from $161 or cheap return flight from $327 from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
April is the least expensive month to fly from DLH to HRL. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
To find the cheapest airline that'll fly you from DLH to HRL, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
There aren't any daily direct flights from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from DLH to HRL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
Book a flight from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL) last-minute?
Booking your flight from DLH to HRL right before your trip is usually more expensive. However, if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a DLH to HRL flight and hotel package?
You'll typically save money by securing a DLH to HRL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your preferred accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Duluth Intl. Airport (DLH) to Valley Intl. Airport (HRL)?
If you reserved your DLH to HRL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.