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Flights from San Antonio to Harlingen
There are no direct flights from San Antonio to Harlingen. The fastest way is one stop via Houston, about 2h 59m door to door (8 connections a week on current schedules).
No direct flights · 1 connection option From 2h 59m
San Antonio to Harlingen at a glance
Fastest journey2h 59mVia Houston, on current schedules
Nonstop flightsNoneConnect via Houston
Best ways to fly from San Antonio to Harlingen
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
SAT Houston (HOU) HRL
Leg 1: Southwest Airlines · Leg 2: Southwest Airlines
Sun06:30 SAT07:15 HOU1h 30m connection08:45 HOU09:29 HRLSouthwest Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 368 km229 miles
- Journey time
- 2h 59mon current schedules
- Time difference
- NoneHarlingen vs San Antonio
- Currency in Harlingen
- USD
- Airports
- SAT → HRL
Flights from San Antonio to Harlingen: questions answered
Are there direct flights from San Antonio to Harlingen?
No. There is no nonstop service, so you will connect, most easily in Houston. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from San Antonio to Harlingen?
With one connection the journey usually takes around 2h 59m, depending on the layover. The straight-line distance is 368 km.
Where do you change planes between San Antonio and Harlingen?
The best connecting points are Houston (HOU). Southwest Airlines flies both legs via Houston, so you can book it as one ticket.
Which airports serve San Antonio and Harlingen?
San Antonio: San Antonio International Airport (SAT). Harlingen: Valley International Airport (HRL).





