$122+ Cheap flights from San Antonio (SAT) to Ontario
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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Oct 23 — Oct 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Antonio to Ontario 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 San Antonio to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to OntarioExplore the most affordable flight options available from San Antonio to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from San Antonio to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Booking.com deal was found by Cheapflights users on 9/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:50 am -
Nonstop3h 30m
Wed 10/217:30 pm -
Nonstop3h 43m
Deal found 9/22![Air Canada logo]()
$255
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:50 am -
Nonstop3h 30m
Wed 10/217:30 pm -
Nonstop3h 43m
Deal found 9/19![Air Canada logo]()
$297
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop6h 47m
Sat 10/244:18 pm -
1 stop8h 40m
Deal found 9/21![United Airlines logo]()
$298
This Kissandfly.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/156:35 am -
1 stop8h 11m
Wed 10/217:00 am -
1 stop6h 11m
Deal found 9/22![Lufthansa logo]()
$302
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:35 am -
1 stop10h 21m
Mon 10/57:30 pm -
Nonstop3h 43m
Deal found 9/19![Multiple Airlines logo]()
$306
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:34 am -
1 stop9h 13m
Thu 11/123:45 pm -
1 stop8h 06m
Deal found 9/21![Lufthansa logo]()
$307
This Delta deal was found by Cheapflights users on 9/22. 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 10/237:50 am -
1 stop8h 28m
Tue 10/276:00 am -
1 stop7h 18m
Deal found 9/22![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/22. 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 12/811:47 am -
2 stops11h 05m
Sun 12/135:55 pm -
1 stop6h 02m
Deal found 9/22![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/236:34 am -
1 stop11h 11m
Thu 11/268:35 am -
2 stops8h 03m
Deal found 9/22![United Airlines logo]()
$332
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.
Sat 11/2111:45 am -
1 stop10h 12m
Wed 11/252:20 pm -
1 stop9h 34m
Deal found 9/21![Delta logo]()
$334
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
1 stop10h 57m
Wed 11/1112:20 pm -
2 stops12h 18m
Deal found 9/20![Air Canada logo]()
$447
This Air Canada deal was found by Cheapflights users on 9/22. 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 10/1512:10 pm -
1 stop5h 47m
Wed 10/213:15 pm -
1 stop6h 23m
Deal found 9/22![Air Canada logo]()
$519
Best flights from San Antonio to OntarioDiscover carefully curated flight deals from San Antonio to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from San Antonio to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
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.
Thu 11/1211:45 am -
1 stop10h 12m
Mon 11/166:10 pm -
1 stop5h 44m
Deal found 9/18![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/236:34 am -
1 stop16h 25m
Thu 11/266:10 am -
1 stop12h 53m
Deal found 9/22![United Airlines logo]()
$322
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
1 stop10h 57m
Wed 11/1112:20 pm -
2 stops12h 18m
Deal found 9/20![Air Canada logo]()
$447
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.
Tue 12/84:00 pm -
1 stop6h 07m
Sun 12/136:10 pm -
1 stop5h 47m
Deal found 9/21![Delta logo]()
$322
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:47 am -
2 stops11h 05m
Sun 12/135:55 pm -
1 stop6h 02m
Deal found 9/21![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 9/22. 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 10/175:30 am -
1 stop5h 49m
Wed 10/216:30 am -
1 stop6h 10m
Deal found 9/22![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/22. 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 11/302:20 pm -
1 stop7h 17m
Wed 12/26:45 am -
2 stops10h 03m
Deal found 9/22![United Airlines logo]()
$332
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 11/131:44 pm -
1 stop9h 13m
Mon 11/165:25 pm -
1 stop8h 08m
Deal found 9/18![Delta logo]()
$322
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:45 am -
2 stops10h 41m
Sat 11/216:10 am -
1 stop8h 06m
Deal found 9/21![United Airlines logo]()
$332
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:53 pm -
3 stops24h 05m
Wed 11/111:10 pm -
3 stops31h 15m
Deal found 9/20![Multiple Airlines logo]()
$807
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
1 stop10h 57m
Thu 11/1212:05 pm -
1 stop12h 32m
Deal found 9/21![Air Canada logo]()
$570
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:25 pm -
2 stops22h 32m
Mon 10/263:20 pm -
1 stop20h 58m
Deal found 9/21![United Airlines logo]()
$575
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:10 am -
2 stops9h 41m
Mon 12/213:20 pm -
2 stops18h 10m
Deal found 9/19![Air Canada logo]()
$859
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.
Mon 11/166:34 am -
1 stop6h 35m
Thu 11/196:00 am -
1 stop10h 13m
Deal found 9/19![United Airlines logo]()
$709
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:15 am -
2 stops13h 41m
Thu 12/2412:30 pm -
2 stops21h 00m
Deal found 9/19![Air Canada logo]()
$968
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:15 am -
2 stops13h 41m
Wed 12/236:30 pm -
2 stops21h 37m
Deal found 9/19![Air Canada logo]()
$1,061
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:15 am -
2 stops13h 41m
Fri 12/253:20 pm -
2 stops18h 10m
Deal found 9/20![Air Canada logo]()
$1,063
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:10 pm -
1 stop5h 47m
Mon 10/193:15 pm -
1 stop6h 23m
Deal found 9/21![Air Canada logo]()
$1,064
Last-minute flights from San Antonio to OntarioDiscover last-minute flight deals from San Antonio to Ontario. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Ontario. Data last updated September 23, 2026 and is based on user searches.
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:35 am -
1 stop10h 21m
Mon 10/57:30 pm -
Nonstop3h 43m
Deal found 9/19![Multiple Airlines logo]()
$306
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:35 am -
1 stop9h 13m
Mon 10/53:15 pm -
1 stop6h 23m
Deal found 9/19![Air Canada logo]()
$531
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 10/81:41 pm -
1 stop9h 18m
Wed 10/146:15 am -
1 stop7h 20m
Deal found 9/19![Delta logo]()
$334
This Booking.com deal was found by Cheapflights users on 9/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:50 am -
Nonstop3h 30m
Wed 10/217:30 pm -
Nonstop3h 43m
Deal found 9/22![Air Canada logo]()
$255
This Kissandfly.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/156:35 am -
1 stop8h 11m
Wed 10/217:00 am -
1 stop6h 11m
Deal found 9/22![Lufthansa logo]()
$302
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:48 am -
1 stop10h 11m
Tue 10/206:33 pm -
1 stop7h 00m
Deal found 9/21![WestJet logo]()
$354
This Air Canada deal was found by Cheapflights users on 9/22. 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 10/1512:10 pm -
1 stop5h 47m
Wed 10/213:15 pm -
1 stop6h 23m
Deal found 9/22![Air Canada logo]()
$519
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 am -
1 stop5h 49m
Tue 10/206:33 pm -
1 stop7h 00m
Deal found 9/21![WestJet logo]()
$342
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:50 am -
Nonstop3h 30m
Wed 10/217:30 pm -
Nonstop3h 43m
Deal found 9/19![Air Canada logo]()
$297
This Delta deal was found by Cheapflights users on 9/22. 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 10/237:50 am -
1 stop8h 28m
Tue 10/276:00 am -
1 stop7h 18m
Deal found 9/22![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/235:30 pm -
1 stop5h 29m
Tue 10/2710:53 am -
2 stops9h 17m
Deal found 9/22![United Airlines logo]()
$332
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop6h 47m
Sat 10/244:18 pm -
1 stop8h 40m
Deal found 9/21![United Airlines logo]()
$298
One-way flights from San Antonio to OntarioSearch for one-way flight options from San Antonio to Ontario. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from San Antonio to Ontario. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:47 am -
2 stops11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Lufthansa logo]()
$122
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.
Tue 10/136:50 am -
1 stop9h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$132
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:50 am -
Nonstop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Air Canada logo]()
$133
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:48 am -
2 stops11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 9/23. 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 12/134:10 pm -
1 stop5h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$144
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.
Mon 10/121:41 pm -
1 stop9h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![WestJet logo]()
$152
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:20 pm -
2 stops44h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$178
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:20 pm -
2 stops44h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$178
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:20 pm -
2 stops44h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$181
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:16 pm -
1 stop6h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![WestJet logo]()
$186
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:30 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![WestJet logo]()
$191
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 11/45:30 am -
2 stops10h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$193
Find flight deals from San Antonio to Ontario
Keep the following information in mind while searching for San Antonio to Ontario flight deals. Data was last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Booking.com) |
One-way from | $122 (Kissandfly.com) |
Popular in | December |
Cheapest in | September |
Average price | $387 |
Good round-trip deal | $581 or less |
Good one-way deal | $111 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Ontario 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 23, 2026.
Use the filters below to find and compare flights from San Antonio to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Tue 12/15
4:27 pm-10:55 pm
1 stop5h 28m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
Quickest round-trip
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Sat 12/12
5:25 am-11:28 am
1 stop5h 03m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Fri 11/6
12:45 pm-9:24 pm
1 stop7h 39m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Fri 10/9
11:36 am-10:56 pm
1 stop10h 20m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Sun 12/13
4:00 pm-11:07 pm
1 stop6h 07m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Tue 10/13
6:50 am-5:18 pm
1 stop9h 28m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Wed 11/4
7:35 am-2:17 pm
1 stop5h 42m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Sat 12/12
9:41 am-9:15 pm
2 stops10h 34m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$137
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Tue 10/13
9:48 am-10:23 pm
2 stops11h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$137
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Wed 10/7
7:25 pm-9:54 am
2 stops13h 29m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$137
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from San Antonio to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from San Antonio with our price prediction graph.
SAT-YYZ
SAT-YTZ
SAT-YOW
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 San Antonio to Ontario
SAT-CAON
SAT-YYZ
SAT-YTZ
SAT-YOW
What is the cheapest month to book a flight from San Antonio to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from San Antonio to Region of Ontario (average of $342). Flying from San Antonio to Region of Ontario in January is currently the most expensive (average of $644). 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 SAT to ON?
Find hourly flight availability from San Antonio to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
When flying from San Antonio to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from San Antonio to Region of Ontario?
Airfare is below average for this route at the moment.
San Antonio to Region of Ontario flights typically cost between $442 and $555 in October.The cheapest round-trip price found within the last 5 days was $255 on Air Canada (Oct 15-Oct 21).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated September 23, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from San Antonio to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for San Antonio to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Ontario by cabin class
Find flights from San Antonio to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Ontario flights
Browse other San Antonio and Ontario flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from San Antonio to Ontario
Discover the top 5 airlines that operate flights from San Antonio to Ontario. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$177 | Average$407 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$203 | Average$530 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$289 | Average$557 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$362 | Average$488 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$476 | Average$666 | FlexibilityNo cancel fee | On-time71% |