Southwest Airlines Ontario to San Antonio Flights

Return flight: San Antonio – Ontario

Cheapflightsplus.com will find cheap Southwest Airlines flights from Ontario to San Antonio. Compare airline ticket prices and book air tickets starting from $84 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Southwest Airlines, arrivals and departure details below.

Find Cheap Airfare Ontario (CA) — San Antonio (TX) by Southwest Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in may: one-way - $84, two-way – $144.
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Below is a detailed 2024 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:00 am — 4:30 pm
10:00 am — 11:00 am WN2505 Southwest Airlines
Ontario — Las Vegas
55m stop
11:55 am — 4:30 pm WN732 Southwest Airlines
Las Vegas — San Antonio
4h 30m
including layover
Find flight
from$132
10:25 am — 5:50 pm
10:25 am — 11:35 am WN1441 Southwest Airlines
Ontario — Phoenix
2h 10m stop
1:45 pm — 5:50 pm WN2078 Southwest Airlines
Phoenix — San Antonio
5h 25m
including layover
Find flight
from$87
11:10 am — 6:40 pm
11:10 am — 12:25 pm WN344 Southwest Airlines
Ontario — Oakland
45m stop
1:10 pm — 6:40 pm WN344 Southwest Airlines
Oakland — San Antonio
5h 30m
including layover
Find flight
from$84
1:35 pm — 7:45 pm
1:35 pm — 2:45 pm WN1748 Southwest Airlines
Ontario — Phoenix
1h stop
3:45 pm — 7:45 pm WN4198 Southwest Airlines
Phoenix — San Antonio
4h 10m
including layover
Find flight
from$105
3:40 pm — 10:45 pm
3:40 pm — 6:50 pm WN841 Southwest Airlines
Ontario — Denver
50m stop
7:40 pm — 10:45 pm WN2512 Southwest Airlines
Denver — San Antonio
5h 5m
including layover
Find flight
from$115
4:10 pm — 11:00 pm
4:10 pm — 5:20 pm WN470 Southwest Airlines
Ontario — Phoenix
1h 35m stop
6:55 pm — 11:00 pm WN887 Southwest Airlines
Phoenix — San Antonio
4h 50m
including layover
Find flight
from$87
6:00 am — 2:30 pm
6:00 am — 10:55 am WN2098 Southwest Airlines
Ontario — Dallas
2h 30m stop
1:25 pm — 2:30 pm WN1646 Southwest Airlines
Dallas — San Antonio
6h 30m
including layover
Find flight
from$141
6:30 am — 1:50 pm
6:30 am — 9:45 am WN2103 Southwest Airlines
Ontario — Denver
50m stop
10:35 am — 1:50 pm WN2193 Southwest Airlines
Denver — San Antonio
5h 20m
including layover
Find flight
from$217
6:50 am — 2:55 pm
6:50 am — 8:00 am WN1246 Southwest Airlines
Ontario — Phoenix
2h 40m stop
10:40 am — 2:55 pm WN2373 Southwest Airlines
Phoenix — San Antonio
6h 5m
including layover
Find flight
from$198
8:35 am — 2:55 pm
8:35 am — 9:45 am WN1020 Southwest Airlines
Ontario — Phoenix
55m stop
10:40 am — 2:55 pm WN2373 Southwest Airlines
Phoenix — San Antonio
4h 20m
including layover
Find flight
from$198
*Departure and arrival times are local. Last updated on 04/29/2024

Flight Information

There are 11 flights by Southwest Airlines from Ontario to San Antonio every week with departures from Ontario Int. and International Heliport. All flights arrive at San Antonio, Kelly AFB, Stinson Municipal, Randolph AFB, Martindale AAF.

Departures start from 10:00 am to 8:35 am. Nonstop flight is 4h 10m. The time difference between Ontario and San Antonio is 2h.

  • The fastest flight 4h 10m
  • Average flight time 5h 13m
  • The earliest flight 10:00 am
  • The latest flight 8:35 am
  • Distance 1164 ml

The cheapest flight by Southwest Airlines that our users were able to find is $84. This airfare is economy class on one-way WN344 flight for October 24, 2018 leaving Ontario Int. in Ontario at 11:10 am, it includes all taxes and additional fees.

Find same flight?

Other Popular Airlines on the Route

Besides Southwest Airlines there are other 1 airline carriers between Ontario and San Antonio. Please review schedules and prices from the most popular airlines to find the best airfare deals from Ontario to San Antonio.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

I’m lucky

Connecting Flights

List of flights with layovers (1 and more stops):

See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back