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Flights from Ontario to Harlingen
There are no direct flights from Ontario to Harlingen. The fastest way is one stop via Houston or Dallas, about 4h 59m door to door (5 connections a week on current schedules).
No direct flights · 3 connection options From 4h 59m
Ontario to Harlingen at a glance
Fastest journey4h 59mVia Houston, on current schedules
Nonstop flightsNoneConnect via Houston or Dallas
Best ways to fly from Ontario 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
ONT Houston (HOU) HRL
Leg 1: Southwest Airlines · Leg 2: Southwest Airlines
Sun10:15 ONT15:09 HOU1h 21m connection16:30 HOU17:14 HRLSouthwest Airlines
2Search
ONT Dallas (DAL) HRL
Leg 1: Southwest Airlines · Leg 2: Southwest Airlines
Sat07:15 ONT11:52 DAL1h 53m connection13:45 DAL14:56 HRLSouthwest Airlines
3Search
ONT Austin (AUS) HRL
Leg 1: Southwest Airlines · Leg 2: Southwest Airlines
Tue08:30 ONT13:08 AUS2h 37m connection15:45 AUS16:38 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
- 2,103 km1,306 miles
- Journey time
- 4h 59mon current schedules
- Time difference
- +2hHarlingen vs Ontario
- Currency in Harlingen
- USD
- Airports
- ONT → HRL
Flights from Ontario to Harlingen: questions answered
Are there direct flights from Ontario to Harlingen?
No. There is no nonstop service, so you will connect, most easily in Houston, Dallas and Austin. 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 Ontario to Harlingen?
With one connection the journey usually takes around 4h 59m, depending on the layover. The straight-line distance is 2,103 km.
Where do you change planes between Ontario and Harlingen?
The best connecting points are Houston (HOU), Dallas (DAL) and Austin (AUS). Southwest Airlines flies both legs via Houston, so you can book it as one ticket.
Which airports serve Ontario and Harlingen?
Ontario: Ontario International Airport (ONT). Harlingen: Valley International Airport (HRL).
What is the time difference between Ontario and Harlingen?
Harlingen is 2 hours ahead of Ontario.





