$107 Find Cheap Flights from Harlingen to San Diego - Compare and Save

Only Economy Class is available on flights from Harlingen to San Diego.

A nonstop flight from Harlingen to San Diego takes 00m, covering 1,255 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Harlingen to San Diego range from $357 to $481, with an average of $427 over the past 12 months. Anything below $357 counts as a good deal.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $213 to $915. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Harlingen to San Diego are currently lower than usual. Average one-way flight prices are about $181, which is 23% below the typical average for this route.

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:

• Dollar
• Payless
• Europcar
• Thrifty
• Fox

Flights from Harlingen to San Diego usually depart from Harlingen Valley Intl (HRL) and arrive at San Diego (SAN).

One-stop flights from Harlingen to San Diego most commonly connect through:

• Dallas/Fort Worth (DFW) - 42% of one-stop connections
• Houston George Bush Intcntl (IAH) - 35% of one-stop connections
• Austin Bergstrom (AUS) - 19% of one-stop connections
• Houston Hobby (HOU) - 4% of one-stop connections

Yes. Flexible dates can save you up to 33% on flights from Harlingen to San Diego. Friday is the cheapest departure day at $325 round-trip on average, while Thursday is the most expensive at $483, a difference of $158.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Austin Bergstrom (AUS) gives the shortest average 1-stop total travel time at 5h 25m, compared with 6h 20m via Dallas/Fort Worth (DFW) and 6h 29m via Houston George Bush Intcntl (IAH).

San Diego is 2 hours behind Harlingen (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.