Cheap flights from San Diego, CA to Harlingen, TX

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

Tips to know when travelling to Harlingen

Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Harlingen. The most popular airline for this route is United Airlines. San Diego and Harlingen have 40 direct flights per week.

Check-in for a flight from San Diego to Harlingen

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes

Weather in Harlingen

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January21°C13°C
February22°C15°C
March26°C17°C
April28°C20°C
May31°C23°C
June33°C25°C
July34°C25°C
August34°C26°C
September32°C25°C
October29°C22°C
November25°C17°C
December22°C15°C
Hottest Month
34°C
August
Coldest month
13°C
January
Sunny days
294
days per year

14 day forecast

Monday
18 Nov
33°C23°C
25 Nov
30°C22°C
Tuesday
19 Nov
32°C16°C
26 Nov
29°C21°C
Wednesday
20 Nov
26°C14°C
27 Nov
29°C23°C
Thursday
21 Nov
26°C9°C
28 Nov
30°C23°C
Friday
22 Nov
25°C17°C
29 Nov
79%
24°C23°C
Saturday
23 Nov
27°C18°C
30 Nov
85%
23°C21°C
Sunday
24 Nov
29°C22°C
1 Dec
29°C23°C

Frequently asked questions

What are the most popular routes to and from San Diego?
What are the most popular routes to and from Harlingen?
What airports are near San Diego?
What airports are near Harlingen?
Which airlines fly between San Diego and Harlingen?
When's the best time to travel between San Diego and Harlingen?
What flights operate between San Diego and Harlingen?
How many airports are there near San Diego?
How many airports are there near Harlingen?
What time do nonstop (direct) flights between San Diego and Harlingen depart?
What time do nonstop (direct) flights between San Diego and Harlingen arrive?
What time do flights between San Diego and Harlingen depart?
What time do flights between San Diego and Harlingen arrive?

Explore alternative trips

Flights from San Diego

Flights to Harlingen

Popular routes

The nearest countries with flights to Harlingen

Here is a list of countries people are flying from

Other destination countries from San Diego

Here is a list of countries people are flying to
Find the best connection from San Diego to Harlingen
Search flights
We hack the system,
you fly for less