$147+ Cheap flights from Ontario to San Antonio (SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SAT
Sep 7 — Sep 141
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
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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 August 8, 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 August 8, 2026.
This Air Canada deal was found by Cheapflights users on 8/7. 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 9/186:30 pm -
Nonstop3h 43m
Tue 9/298:50 am -
Nonstop3h 30m
Deal found 8/7![Air Canada logo]()
$212
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/46:30 pm -
Nonstop3h 43m
Sat 9/128:50 am -
Nonstop3h 30m
Deal found 8/6![Air Canada logo]()
$240
This Delta deal was found by Cheapflights users on 8/7. 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.
Mon 10/56:34 pm -
1 stop6h 34m
Fri 11/206:35 am -
1 stop9h 30m
Deal found 8/7![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/5. 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 8/2911:40 am -
1 stop10h 24m
Mon 8/312:43 pm -
1 stop6h 16m
Deal found 8/5![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/296:10 am -
1 stop10h 33m
Mon 8/312:15 pm -
1 stop7h 21m
Deal found 8/6![United Airlines logo]()
$276
This Air Canada deal was found by Cheapflights users on 8/6. 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 8/246:25 pm -
Nonstop3h 40m
Mon 8/311:45 pm -
1 stop8h 32m
Deal found 8/6![Air Canada logo]()
$311
This Air Canada deal was found by Cheapflights users on 8/6. 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 10/148:50 am -
1 stop8h 41m
Mon 10/196:35 am -
1 stop8h 11m
Deal found 8/6![Air Canada logo]()
$313
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/76:30 pm -
Nonstop3h 43m
Wed 9/92:15 pm -
1 stop7h 21m
Deal found 8/6![Air Canada logo]()
$333
This Justfly.com deal was found by Cheapflights users on 8/7. 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.
Tue 8/256:51 pm -
1 stop6h 37m
Wed 8/267:55 am -
1 stop8h 51m
Deal found 8/7![WestJet logo]()
$335
This Delta deal was found by Cheapflights users on 8/7. 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 9/37:00 am -
1 stop11h 11m
Sat 9/52:22 pm -
1 stop8h 18m
Deal found 8/7![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/96:00 am -
1 stop10h 10m
Sat 9/126:30 am -
1 stop10h 00m
Deal found 8/2![United Airlines logo]()
$348
This Air Canada deal was found by Cheapflights users on 8/7. 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 10/56:30 pm -
Nonstop3h 43m
Thu 11/191:52 pm -
1 stop7h 59m
Deal found 8/7![Air Canada logo]()
$350
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 August 8, 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 August 8, 2026.
This Delta deal was found by Cheapflights users on 8/7. 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 10/811:38 am -
1 stop9h 10m
Sun 11/155:30 am -
1 stop7h 03m
Deal found 8/7![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/96:00 am -
1 stop10h 10m
Sat 9/126:30 am -
1 stop10h 00m
Deal found 8/3![United Airlines logo]()
$347
This Air Canada deal was found by Cheapflights users on 8/7. 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 8/273:15 pm -
1 stop6h 23m
Mon 8/317:00 am -
2 stops10h 20m
Deal found 8/7![Air Canada logo]()
$358
This Delta deal was found by Cheapflights users on 8/7. 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.
Mon 9/216:10 pm -
1 stop5h 34m
Mon 9/284:00 pm -
1 stop5h 59m
Deal found 8/7![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 8/7. 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 9/412:25 pm -
1 stop5h 46m
Fri 9/114:21 pm -
1 stop6h 38m
Deal found 8/7![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 8/7. 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.
Mon 11/26:10 pm -
1 stop5h 10m
Thu 11/55:15 am -
1 stop5h 04m
Deal found 8/7![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/273:15 pm -
2 stops21h 37m
Mon 8/314:12 pm -
2 stops16h 55m
Deal found 8/7![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 8/7. 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 8/296:15 am -
1 stop6h 34m
Mon 8/3112:05 pm -
1 stop10h 52m
Deal found 8/7![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/42:20 pm -
2 stops9h 19m
Sun 9/66:30 am -
2 stops12h 15m
Deal found 8/3![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/126:10 am -
1 stop6h 42m
Tue 9/151:07 pm -
1 stop7h 59m
Deal found 8/4![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 8/7. 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 9/37:00 am -
1 stop11h 11m
Sat 9/52:22 pm -
1 stop8h 18m
Deal found 8/7![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/26:00 am -
1 stop6h 51m
Sat 9/55:59 pm -
2 stops15h 41m
Deal found 8/5![United Airlines logo]()
$384
This Air Canada deal was found by Cheapflights users on 8/5. 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 1/2310:20 am -
2 stops10h 55m
Tue 1/266:43 am -
1 stop8h 58m
Deal found 8/5![Air Canada logo]()
$513
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/412:45 pm -
2 stops10h 54m
Fri 9/111:00 pm -
1 stop6h 44m
Deal found 8/7![United Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 8/3. 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 9/47:00 am -
1 stop10h 39m
Sun 9/62:43 pm -
1 stop8h 09m
Deal found 8/3![Delta logo]()
$380
This Air Canada deal was found by Cheapflights users on 8/3. 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 10/243:15 pm -
1 stop6h 23m
Sun 11/16:40 am -
1 stop9h 01m
Deal found 8/3![Air Canada logo]()
$590
This Delta deal was found by Cheapflights users on 8/5. 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 9/27:00 am -
1 stop11h 11m
Sat 9/53:00 pm -
1 stop7h 30m
Deal found 8/5![Delta logo]()
$384
This Air Canada deal was found by Cheapflights users on 8/4. 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 9/213:15 pm -
1 stop6h 23m
Sat 9/266:35 am -
1 stop9h 07m
Deal found 8/4![Air Canada logo]()
$595
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/291:00 pm -
2 stops9h 16m
Tue 9/84:12 pm -
1 stop5h 24m
Deal found 8/2![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 8/5. 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 10/216:00 am -
1 stop7h 18m
Sat 10/317:50 am -
1 stop8h 28m
Deal found 8/5![Delta logo]()
$395
This Air Canada deal was found by Cheapflights users on 8/5. 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 9/193:15 pm -
1 stop6h 23m
Sat 9/266:35 am -
1 stop9h 07m
Deal found 8/5![Air Canada logo]()
$597
This KAYAK deal was found by Cheapflights users on 8/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:30 pm -
1 stop16h 34m
Wed 10/146:35 am -
1 stop6h 24m
Deal found 8/3![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 8/5. 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 10/236:10 pm -
1 stop5h 57m
Sun 11/17:50 am -
1 stop8h 28m
Deal found 8/5![Delta logo]()
$413
This KAYAK deal was found by Cheapflights users on 8/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:37 am -
1 stop13h 13m
Thu 10/157:00 am -
1 stop15h 54m
Deal found 8/3![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 8/3. 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 10/2412:49 pm -
1 stop9h 21m
Sun 11/17:50 am -
1 stop8h 28m
Deal found 8/3![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/6. 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 1/2312:10 pm -
1 stop11h 48m
Tue 1/265:30 am -
2 stops10h 11m
Deal found 8/6![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 8/3. 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 10/256:10 pm -
1 stop5h 57m
Thu 10/294:29 pm -
1 stop6h 30m
Deal found 8/3![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/35:20 pm -
1 stop6h 30m
Sun 9/67:35 am -
2 stops8h 41m
Deal found 8/6![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/187:34 pm -
2 stops17h 18m
Fri 9/257:25 pm -
2 stops17h 52m
Deal found 8/4![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 8/5. 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 10/16:05 am -
2 stops10h 48m
Mon 10/511:47 am -
2 stops9h 48m
Deal found 8/5![United Airlines logo]()
$529
Last-minute flights from Ontario to San AntonioDiscover last-minute flight deals from Ontario to San Antonio. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to San Antonio. Data last updated August 8, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/6. 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 8/246:25 pm -
Nonstop3h 40m
Mon 8/311:45 pm -
1 stop8h 32m
Deal found 8/6![Air Canada logo]()
$311
This Justfly.com deal was found by Cheapflights users on 8/7. 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.
Tue 8/256:51 pm -
1 stop6h 37m
Wed 8/267:55 am -
1 stop8h 51m
Deal found 8/7![WestJet logo]()
$335
This Delta deal was found by Cheapflights users on 8/5. 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 8/2512:47 pm -
1 stop10h 47m
Wed 9/212:05 pm -
1 stop10h 47m
Deal found 8/5![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/273:15 pm -
2 stops21h 37m
Mon 8/314:12 pm -
2 stops16h 55m
Deal found 8/7![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 8/5. 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 8/2911:40 am -
1 stop10h 24m
Mon 8/312:43 pm -
1 stop6h 16m
Deal found 8/5![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/296:10 am -
1 stop10h 33m
Mon 8/312:15 pm -
1 stop7h 21m
Deal found 8/6![United Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 8/7. 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 9/37:00 am -
1 stop11h 11m
Sat 9/52:22 pm -
1 stop8h 18m
Deal found 8/7![Delta logo]()
$347
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/46:30 pm -
Nonstop3h 43m
Sat 9/128:50 am -
Nonstop3h 30m
Deal found 8/6![Air Canada logo]()
$240
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/42:20 pm -
2 stops9h 19m
Sun 9/66:30 am -
2 stops12h 15m
Deal found 8/3![United Airlines logo]()
$380
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/76:30 pm -
Nonstop3h 43m
Wed 9/92:15 pm -
1 stop7h 21m
Deal found 8/6![Air Canada logo]()
$333
This Air Canada deal was found by Cheapflights users on 8/7. 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 9/186:30 pm -
Nonstop3h 43m
Tue 9/298:50 am -
Nonstop3h 30m
Deal found 8/7![Air Canada logo]()
$212
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am -
1 stop5h 36m
Tue 9/294:27 pm -
1 stop5h 32m
Deal found 8/7![American Airlines logo]()
$269
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 August 8, 2026.
Search for one-way flight options from Ontario to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This Air Canada deal was found by Cheapflights users on 8/7. 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 8/246:25 pm -
Nonstop3h 40m
Deal found 8/7![Air Canada logo]()
$147
This Delta deal was found by Cheapflights users on 8/7. 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 9/236:10 pm -
1 stop5h 34m
Deal found 8/7![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/1211:00 am -
2 stops9h 53m
Deal found 8/7![United Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:15 pm -
1 stop6h 24m
Deal found 8/6![American Airlines logo]()
$171
This Air Canada deal was found by Cheapflights users on 8/7. 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 9/2312:15 pm -
1 stop7h 45m
Deal found 8/7![Air Canada logo]()
$179
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/2112:30 pm -
2 stops11h 14m
Deal found 8/6![Air Canada logo]()
$183
This Delta deal was found by Cheapflights users on 8/7. 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 9/57:00 am -
1 stop7h 38m
Deal found 8/7![Delta logo]()
$196
This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:34 pm -
1 stop7h 21m
Deal found 8/4![American Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 8/6. 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 9/37:00 am -
1 stop11h 11m
Deal found 8/6![Delta logo]()
$210
This Kissandfly.com deal was found by Cheapflights users on 8/5. 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 9/19:45 am -
2 stops13h 54m
Deal found 8/5![Lufthansa logo]()
$211
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/26:30 pm -
Nonstop3h 43m
Deal found 8/6![Air Canada logo]()
$212
This Air Canada deal was found by Cheapflights users on 8/4. 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 10/51:10 pm -
1 stop9h 03m
Deal found 8/4![Air Canada logo]()
$217
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 August 8, 2026.
Round-trip from | $212 (Air Canada) |
|---|---|
One-way from | $147 (Air Canada) |
Popular in | December |
Cheapest in | July |
Average price | $600 |
Good round-trip deal | $289 or less |
Good one-way deal | $260 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 2,558,603 searches. Data last updated August 8, 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
Thu 10/8
11:38 am-7:48 pm
1 stop9h 10m
San Antonio
Sun 11/15
5:30 am-1:33 pm
1 stop7h 03m
$269
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Mon 9/21
6:10 pm-10:44 pm
1 stop5h 34m
San Antonio
Mon 9/28
4:00 pm-10:59 pm
1 stop5h 59m
$276
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Fri 9/4
12:25 pm-5:11 pm
1 stop5h 46m
San Antonio
Fri 9/11
4:21 pm-11:59 pm
1 stop6h 38m
$276
Quickest round-trip
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Mon 11/2
6:10 pm-10:20 pm
1 stop5h 10m
San Antonio
Thu 11/5
5:15 am-11:19 am
1 stop5h 04m
$276
TorontoSan Antonio
YYZ Toronto Pearson Intl - SAT San Antonio
YYZSAT
Toronto Pearson Intl
Sat 8/29
6:15 am-11:49 am
1 stop6h 34m
San Antonio
Mon 8/31
12:05 pm-11:57 pm
1 stop10h 52m
$276
MontrealSan Antonio
YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio
YULSAT
Montreal Pierre Elliott Trudeau Intl
Wed 9/9
6:00 am-3:10 pm
1 stop10h 10m
San Antonio
Sat 9/12
6:30 am-5:30 pm
1 stop10h 00m
$347
MontrealSan Antonio
YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio
YULSAT
Montreal Pierre Elliott Trudeau Intl
Thu 9/3
7:00 am-5:11 pm
1 stop11h 11m
San Antonio
Sat 9/5
2:22 pm-11:40 pm
1 stop8h 18m
$347
TorontoSan Antonio
YTZ Toronto Island - SAT San Antonio
YTZSAT
Toronto Island
Thu 8/27
3:15 pm-8:38 pm
1 stop6h 23m
San Antonio
Mon 8/31
7:00 am-6:20 pm
2 stops10h 20m
$358
TorontoSan Antonio
YTZ Toronto Island - SAT San Antonio
YTZSAT
Toronto Island
Thu 8/27
3:15 pm-11:52 am
2 stops21h 37m
San Antonio
Mon 8/31
4:12 pm-10:07 am
2 stops16h 55m
$358
MontrealSan Antonio
YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio
YULSAT
Montreal Pierre Elliott Trudeau Intl
Fri 9/4
2:20 pm-10:39 pm
2 stops9h 19m
San Antonio
Sun 9/6
6:30 am-7:45 pm
2 stops12h 15m
$380
Showing 1-10 of 60 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
YTZ-SAT
YUL-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
YTZ-SAT
YUL-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 $388). Flying from Region of Ontario to San Antonio in July is currently the most expensive (average of $584). 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 August 8, 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 $391 and $603 in September.The cheapest round-trip price found within the last 5 days was $212 on Air Canada (Sep 2-Sep 5).
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 August 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 8, 2026.
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 2,558,603 searches. Data last updated August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$267 | Average$531 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$273 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$357 | Average$831 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$381 | Average$549 | FlexibilityNo cancel fee | On-time71% |