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Flights from San Antonio to Ontario
There are no direct flights from San Antonio to Ontario. The fastest way is one stop via Phoenix or Las Vegas, about 4h 00m door to door (266 connections a week on current schedules).
No direct flights · 6 connection options From 4h 00m Prices checked 13 days ago
San Antonio to Ontario at a glance
Fastest journey4h 00mVia Phoenix, on current schedules
Nonstop flightsNoneConnect via Phoenix or Las Vegas
Best ways to fly from San Antonio to Ontario
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
SAT Phoenix (PHX) ONT
Leg 1: American Airlines, Frontier Airlines, Southwest Airlines · Leg 2: American Airlines, Southwest Airlines, Envoy Air
Mon11:15 SAT11:21 PHX0h 54m connection12:15 PHX13:15 ONTSouthwest Airlines
2Search
SAT Las Vegas (LAS) ONT
Leg 1: Frontier Airlines, Southwest Airlines · Leg 2: Frontier Airlines, Southwest Airlines
Mon19:30 SAT19:59 LAS0h 46m connection20:45 LAS21:34 ONTSouthwest Airlines
3Search
SAT Houston (IAH) ONT
Leg 1: United Airlines, Mesa Airlines · Leg 2: Frontier Airlines, United Airlines
Fri19:00 SAT19:48 IAH0h 57m connection20:45 IAH21:38 ONTUnited Airlines
4Search
SAT Dallas (DFW) ONT
Leg 1: American Airlines · Leg 2: American Airlines, Frontier Airlines
Wed10:45 SAT11:50 DFW0h 55m connection12:45 DFW13:34 ONTAmerican Airlines
5Search
SAT Denver (DEN) ONT
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Frontier Airlines, Southwest Airlines, United Airlines
Mon20:30 SAT21:28 DEN1h 02m connection22:30 DEN23:35 ONTFrontier Airlines
6Search
SAT Salt Lake City (SLC) ONT
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines, SkyWest
Tue06:45 SAT08:21 SLC2h 54m connection11:15 SLC11:53 ONTDelta Air Lines
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
- 1,879 km1,167 miles
- Journey time
- 4h 00mon current schedules
- Time difference
- -2hOntario vs San Antonio
- Currency in Ontario
- USD
- Airports
- SAT → ONT
Flights from San Antonio to Ontario: questions answered
Are there direct flights from San Antonio to Ontario?
No. There is no nonstop service, so you will connect, most easily in Phoenix, Las Vegas and 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 Ontario?
With one connection the journey usually takes around 4h 00m, depending on the layover. The straight-line distance is 1,879 km.
Where do you change planes between San Antonio and Ontario?
The best connecting points are Phoenix (PHX), Las Vegas (LAS), Houston (IAH) and Dallas (DFW). American Airlines flies both legs via Phoenix, so you can book it as one ticket.
Which airports serve San Antonio and Ontario?
San Antonio: San Antonio International Airport (SAT). Ontario: Ontario International Airport (ONT).
What is the time difference between San Antonio and Ontario?
Ontario is 2 hours behind San Antonio.
