Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Harlingen (HRL) to San Diego (SAN)

How to find the cheapest flight from Harlingen (HRL) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Harlingen to San Diego in November , December 2026

19 Nov - 13 Dec $ 697.00
HRL
Harlingen
Sun Country Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Sun Country Airlines
2 STOPS
HRL
Harlingen
Pick dates
19 Nov - 30 Dec $ 825.00
HRL
Harlingen
Sun Country Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Sun Country Airlines
2 STOPS
HRL
Harlingen
Pick dates
19 Nov - 30 Dec $ 855.00
HRL
Harlingen
Sun Country Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Sun Country Airlines
1 STOPS
HRL
Harlingen
Pick dates

Last minute flights from Harlingen to San Diego

19 Nov - 02 Dec $ 1,844.00
HRL
Harlingen
WestJet
1 STOPS
SAN
San Diego
SAN
San Diego
WestJet
3 STOPS
HRL
Harlingen
Pick dates
22 Nov - 02 Dec $ 1,934.00
HRL
Harlingen
WestJet
1 STOPS
SAN
San Diego
SAN
San Diego
WestJet
3 STOPS
HRL
Harlingen
Pick dates
19 Nov - 02 Dec $ 2,074.00
HRL
Harlingen
WestJet
2 STOPS
SAN
San Diego
SAN
San Diego
WestJet
3 STOPS
HRL
Harlingen
Pick dates

One-way flights to San Diego from Harlingen

12:10 PM - 3:15 PM
Sun Country Airlines
1 Stops
30h 56m
HRL - SAN
$ 405
Kiwi
Pick dates
12:10 PM - 3:20 PM
Sun Country Airlines
1 Stops
31h 1m
HRL - SAN
$ 520
Kiwi
Pick dates
12:10 PM - 10:29 PM
Frontier Airlines
2 Stops
13h 47m
HRL - SAN
$ 635
Kiwi
Pick dates

How to find the cheapest flight from Harlingen (HRL) to San Diego (SAN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.