Cheap Flights from San Diego (SAN) to Harlingen (HRL)

Popular airlines from San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL)

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Find the cheapest month to fly from San Diego (SAN) to Harlingen (HRL)

August is typically the cheapest month to fly

From $170 - $407 per traveler.

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. Cheapest option available. Average driving time to city center is 33 minutes. Flights from $419
BRO
Brownsville-South Padre Island Intl.
Cheapest
Average driving time to city center33 min
Flights from $419
Flights from San Diego (SAN) to Harlingen (HRL)
Origin airport
San Diego Intl.
Destination airport
Valley Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$162
Distance
1255 mi

San Diego to Harlingen Flights

The cheapest times to fly from San Diego 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 San Diego to Harlingen are during the month of . You can find some of the cheapest flights from San Diego to Harlingen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Harlingen

Sunday is one of the best days to book for cheap flights from San Diego 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 San Diego 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 San Diego to Harlingen in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 San Diego 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 San Diego 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 San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL) cost?
Snag a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL)?
is the most affordable month to fly from SAN to HRL. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL)?
To find the cheapest airline that'll fly you from SAN to HRL, use Expedia's filter tool. Customize your search based on what's important to you, 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 San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL)?
There are no daily nonstop flights from San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SAN to HRL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL)?
To reach Valley Intl. Airport (HRL) without delays, pick a flight that leaves from San Diego Intl. Airport (SAN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL) last-minute?
Booking your ticket from SAN to HRL just before your getaway is usually more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SAN to HRL flight and hotel package?
You'll generally save money by booking a SAN to HRL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Valley Intl. Airport (HRL)?
Usually, it's possible to cancel or reschedule your SAN to HRL flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.