$149+ Cheap flights from Ontario to San Antonio (SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to San Antonio
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Cheapest flights from Ontario to San AntonioExplore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from Ontario to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:30 pm -
Nonstop3h 43m
Tue 10/138:50 am -
Nonstop3h 30m
Deal found 9/16![Air Canada logo]()
$244
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:45 am -
2 stops9h 53m
Tue 11/109:35 am -
1 stop12h 02m
Deal found 9/20![United Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:10 am -
1 stop8h 06m
Tue 11/177:00 am -
1 stop6h 25m
Deal found 9/16![United Airlines logo]()
$275
This United deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 am -
1 stop10h 43m
Tue 10/208:50 am -
Nonstop3h 30m
Deal found 9/16![Multiple Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:38 am -
1 stop9h 10m
Sun 10/186:50 am -
1 stop9h 28m
Deal found 9/19![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:38 am -
1 stop9h 10m
Mon 10/121:41 pm -
1 stop9h 18m
Deal found 9/21![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:49 pm -
1 stop9h 21m
Tue 10/206:50 am -
1 stop9h 28m
Deal found 9/16![Delta logo]()
$292
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:26 pm -
1 stop9h 41m
Sun 10/115:15 am -
1 stop7h 21m
Deal found 9/16![WestJet logo]()
$312
This CheapTicketsDeal deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:31 pm -
1 stop9h 20m
Tue 10/131:48 pm -
1 stop9h 18m
Deal found 9/17![WestJet logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:45 am -
1 stop14h 13m
Mon 10/197:25 pm -
2 stops13h 29m
Deal found 9/17![United Airlines logo]()
$324
This Kissandfly.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop9h 13m
Sat 11/146:15 am -
1 stop6h 13m
Deal found 9/17![Lufthansa logo]()
$324
This United deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
1 stop6h 11m
Tue 10/208:50 am -
Nonstop3h 30m
Deal found 9/16![Multiple Airlines logo]()
$325
Best flights from Ontario to San AntonioDiscover carefully curated flight deals from Ontario to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Ontario to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:10 am -
1 stop14h 20m
Sat 10/175:30 am -
1 stop7h 54m
Deal found 9/19![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:26 pm -
1 stop9h 41m
Wed 10/285:30 am -
1 stop5h 49m
Deal found 9/20![Delta logo]()
$274
This United deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
1 stop6h 41m
Thu 10/88:50 am -
1 stop14h 41m
Deal found 9/21![Multiple Airlines logo]()
$387
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop9h 04m
Sun 12/137:00 am -
1 stop7h 16m
Deal found 9/16![Air Canada logo]()
$407
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:45 am -
2 stops9h 53m
Tue 11/109:35 am -
1 stop12h 02m
Deal found 9/20![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop9h 20m
Fri 12/115:16 am -
1 stop9h 58m
Deal found 9/19![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:38 am -
1 stop9h 10m
Fri 11/136:30 am -
1 stop8h 45m
Deal found 9/19![Delta logo]()
$274
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:35 pm -
2 stops8h 16m
Mon 11/165:34 pm -
1 stop5h 25m
Deal found 9/16![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:26 pm -
1 stop9h 41m
Sun 10/115:15 am -
1 stop7h 21m
Deal found 9/16![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:10 am -
1 stop8h 06m
Thu 11/56:34 am -
1 stop13h 41m
Deal found 9/16![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop9h 13m
Sun 11/17:00 am -
1 stop7h 16m
Deal found 9/20![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:50 pm -
1 stop6h 43m
Tue 10/204:32 pm -
1 stop6h 22m
Deal found 9/18![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:10 am -
1 stop11h 30m
Mon 11/234:00 pm -
1 stop6h 27m
Deal found 9/18![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:10 am -
1 stop7h 01m
Tue 10/2012:50 pm -
1 stop8h 16m
Deal found 9/16![United Airlines logo]()
$343
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2210:20 am -
2 stops10h 55m
Mon 1/256:38 am -
2 stops11h 07m
Deal found 9/18![Air Canada logo]()
$561
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:05 pm -
1 stop12h 33m
Fri 11/137:00 am -
1 stop10h 57m
Deal found 9/19![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:05 pm -
2 stops21h 24m
Thu 11/127:00 am -
1 stop10h 57m
Deal found 9/20![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:05 pm -
2 stops11h 46m
Sun 11/155:30 am -
2 stops10h 12m
Deal found 9/18![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:45 am -
2 stops10h 25m
Tue 11/39:35 am -
2 stops10h 41m
Deal found 9/18![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:46 pm -
1 stop7h 52m
Mon 11/96:15 am -
1 stop14h 41m
Deal found 9/18![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:45 am -
1 stop12h 04m
Sun 12/136:45 am -
1 stop14h 11m
Deal found 9/19![United Airlines logo]()
$544
Last-minute flights from Ontario to San AntonioDiscover last-minute flight deals from Ontario to San Antonio. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to San Antonio. Data last updated September 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:45 pm -
2 stops9h 46m
Mon 10/55:30 am -
1 stop7h 54m
Deal found 9/17![United Airlines logo]()
$274
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:30 pm -
Nonstop3h 43m
Tue 10/138:50 am -
Nonstop3h 30m
Deal found 9/16![Air Canada logo]()
$244
This CheapTicketsDeal deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:31 pm -
1 stop9h 20m
Tue 10/131:48 pm -
1 stop9h 18m
Deal found 9/17![WestJet logo]()
$322
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:26 pm -
1 stop9h 41m
Sun 10/115:15 am -
1 stop7h 21m
Deal found 9/16![WestJet logo]()
$312
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:38 am -
1 stop9h 10m
Mon 10/121:41 pm -
1 stop9h 18m
Deal found 9/21![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:38 am -
1 stop9h 10m
Sun 10/186:50 am -
1 stop9h 28m
Deal found 9/19![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:49 pm -
1 stop9h 21m
Tue 10/206:50 am -
1 stop9h 28m
Deal found 9/16![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:45 am -
1 stop14h 13m
Mon 10/197:25 pm -
2 stops13h 29m
Deal found 9/17![United Airlines logo]()
$324
This United deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
1 stop6h 11m
Tue 10/208:50 am -
Nonstop3h 30m
Deal found 9/16![Multiple Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
2 stops9h 53m
Tue 10/206:00 am -
1 stop6h 47m
Deal found 9/16![United Airlines logo]()
$275
This United deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 am -
1 stop10h 43m
Tue 10/208:50 am -
Nonstop3h 30m
Deal found 9/16![Multiple Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop9h 13m
Sun 11/17:00 am -
1 stop7h 16m
Deal found 9/19![United Airlines logo]()
$342
One-way flights from Ontario to San AntonioSearch for one-way flight options from Ontario to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Ontario to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:30 pm -
Nonstop3h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air Canada logo]()
$149
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:30 pm -
Nonstop3h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$161
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:45 am -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$164
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:55 pm -
2 stops10h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![United Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:45 pm -
2 stops9h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$167
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:45 am -
2 stops11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:49 pm -
1 stop9h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$173
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$201
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
1 stop11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$202
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:20 am -
2 stops11h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air Canada logo]()
$203
This SmartFares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:10 pm -
1 stop5h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![WestJet logo]()
$204
This FlightHub deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:00 pm -
2 stops15h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![WestJet logo]()
$206
Find flight deals from Ontario to San Antonio
Keep the following information in mind while searching for Ontario to San Antonio flight deals. Data was last updated September 21, 2026.
Round-trip from | $244 (Air Canada) |
|---|---|
One-way from | $149 (Air Canada) |
Popular in | December |
Cheapest in | September |
Average price | $312 |
Good round-trip deal | $370 or less |
Good one-way deal | $318 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 21, 2026.
Use the filters below to find and compare flights from Ontario to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Sun 10/4
7:00 am-12:11 pm
1 stop6h 11m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Tue 10/6
10:45 am-4:52 pm
1 stop7h 07m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Thu 10/15
6:10 pm-11:07 pm
1 stop5h 57m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$166
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Mon 11/2
12:49 pm-9:10 pm
1 stop9h 21m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$166
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Thu 10/29
12:55 pm-10:51 pm
2 stops10h 56m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$166
Quickest round-trip
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Sat 11/21
6:10 pm-10:54 pm
1 stop5h 44m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$166
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Wed 11/4
6:45 am-3:38 pm
2 stops9h 53m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$166
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Wed 10/7
12:45 pm-10:51 pm
2 stops11h 06m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$167
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Fri 10/2
8:50 am-4:31 pm
1 stop8h 41m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$167
MontrealSan Antonio
YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio
YULSAT
Montreal Pierre Elliott Trudeau Intl
Sat 11/21
6:00 am-4:05 pm
1 stop11h 05m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$201
Showing 1-10 of 51 resultsSorted by cheapest first
Best time to book a flight from Ontario to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Ontario with our price prediction graph.
YYZ-SAT
YUL-SAT
YTZ-SAT
YOW-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to San Antonio
CAON-SAT
YYZ-SAT
YUL-SAT
YTZ-SAT
YOW-SAT
What is the cheapest month to book a flight from Region of Ontario to San Antonio?
Currently, May is the cheapest month in which you can book a flight from Region of Ontario to San Antonio (average of $392). Flying from Region of Ontario to San Antonio in December is currently the most expensive (average of $537). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ON to SAT?
Find hourly flight availability from Ontario to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 21, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Antonio as you normally would.
How much does it cost to fly round-trip from Region of Ontario to San Antonio?
Airfare is below average for this route at the moment.
Region of Ontario to San Antonio flights typically cost between $368 and $552 in October.The cheapest round-trip price found within the last 5 days was $244 on Air Canada (Oct 5-Oct 13).
How far ahead should I book a flight from Region of Ontario to San Antonio?
Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Ontario to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Alternative routes for Ontario to San Antonio
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Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to San Antonio by cabin class
Find flights from Ontario to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and San Antonio flights
Browse other Ontario and San Antonio flight options. Last updated on September 21, 2026.
Popular flight searches
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Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
Ontario to San Antonio flights
Consider these flights traveling from Ontario to San Antonio.
Top 5 airlines flying from Ontario to San Antonio
Discover the top 5 airlines that operate flights from Ontario to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$267 | Average$531 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$267 | Average$831 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$273 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$279 | Average$549 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$356 | Average$444 | FlexibilityNo cancel fee | On-time69% |