$179+ Cheap flights from San Antonio (SAT) to Ontario
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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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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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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 August 5, 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 August 5, 2026.
This Kissandfly.com deal was found by Cheapflights users on 8/1. 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 8/156:30 am -
1 stop10h 00m
Sat 8/226:10 am -
1 stop17h 41m
Deal found 8/1![Lufthansa logo]()
$382
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:34 am -
1 stop26h 56m
Mon 10/194:45 pm -
2 stops41h 54m
Deal found 8/3![Multiple Airlines logo]()
$413
This Flysmarter deal was found by Cheapflights users on 8/1. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:50 am -
1 stop8h 10m
Sat 8/228:55 am -
2 stops8h 36m
Deal found 8/1![Air Canada logo]()
$414
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.
Tue 8/251:00 pm -
1 stop8h 06m
Sat 8/296:10 am -
1 stop17h 41m
Deal found 8/2![United Airlines logo]()
$428
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:50 pm -
1 stop21h 19m
Mon 9/218:35 pm -
1 stop18h 45m
Deal found 8/3![Multiple Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/57:05 am -
1 stop13h 39m
Mon 9/145:34 pm -
1 stop7h 21m
Deal found 8/1![American Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/15:30 am -
2 stops8h 10m
Thu 9/106:10 am -
1 stop6h 42m
Deal found 8/1![United Airlines logo]()
$456
This Air Canada deal was found by Cheapflights users on 8/1. 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 9/58:50 am -
1 stop7h 37m
Mon 9/1410:40 am -
2 stops11h 33m
Deal found 8/1![Air Canada logo]()
$457
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 am -
1 stop10h 21m
Sun 8/306:00 am -
1 stop10h 54m
Deal found 8/3![Delta logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 9/2110:05 am -
1 stop9h 00m
Thu 9/249:50 am -
2 stops27h 08m
Deal found 8/1![Multiple Airlines logo]()
$459
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 8/2812:15 pm -
1 stop6h 30m
Tue 9/19:45 am -
2 stops8h 58m
Deal found 8/3![United Airlines logo]()
$460
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:25 am -
2 stops28h 30m
Mon 10/58:35 pm -
1 stop18h 45m
Deal found 8/2![Multiple Airlines logo]()
$467
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 August 5, 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 August 5, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/121:00 pm -
1 stop7h 26m
Sat 10/32:20 pm -
2 stops9h 30m
Deal found 8/1![United Airlines logo]()
$437
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:20 pm -
1 stop19h 24m
Tue 9/12:30 pm -
1 stop7h 45m
Deal found 8/3![American Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 8/1. 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 9/2511:36 am -
1 stop10h 51m
Sat 10/36:00 am -
1 stop9h 07m
Deal found 8/1![Delta logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sun 12/69:25 am -
2 stops37h 45m
Sun 12/138:00 pm -
1 stop25h 12m
Deal found 7/31![Multiple Airlines logo]()
$541
This Air Canada deal was found by Cheapflights users on 7/31. 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 9/58:50 am -
Nonstop3h 30m
Wed 9/96:30 pm -
Nonstop3h 43m
Deal found 7/31![Air Canada logo]()
$552
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/2512:00 pm -
2 stops9h 06m
Sat 8/296:10 am -
1 stop11h 21m
Deal found 7/31![United Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/256:48 pm -
1 stop15h 56m
Sat 10/32:31 pm -
2 stops8h 28m
Deal found 8/1![American Airlines logo]()
$460
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.
Mon 11/21:25 pm -
1 stop6h 52m
Tue 11/36:00 am -
1 stop7h 08m
Deal found 8/3![United Airlines logo]()
$450
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.
Fri 8/2812:15 pm -
1 stop6h 30m
Tue 9/19:45 am -
2 stops8h 58m
Deal found 8/2![United Airlines logo]()
$460
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:35 am -
1 stop5h 49m
Mon 10/196:30 pm -
Nonstop3h 43m
Deal found 8/3![Multiple Airlines logo]()
$562
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.
Thu 9/174:21 pm -
1 stop6h 38m
Mon 9/214:05 pm -
1 stop7h 39m
Deal found 8/3![Delta logo]()
$578
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:12 pm -
1 stop5h 24m
Wed 9/166:30 pm -
Nonstop3h 43m
Deal found 8/3![Multiple Airlines logo]()
$562
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 10/175:30 am -
1 stop5h 49m
Sun 10/186:10 pm -
1 stop5h 57m
Deal found 8/3![Delta logo]()
$578
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.
Wed 9/96:08 am -
1 stop9h 37m
Wed 9/166:30 am -
1 stop12h 39m
Deal found 8/4![American Airlines logo]()
$602
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.
Mon 9/77:35 am -
1 stop5h 49m
Wed 9/236:10 am -
1 stop5h 35m
Deal found 8/2![United Airlines logo]()
$578
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:30 am -
1 stop6h 12m
Wed 9/96:30 pm -
Nonstop3h 43m
Deal found 8/5![Multiple Airlines logo]()
$642
This United Airlines deal was found by Cheapflights users on 8/1. 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 11/55:30 am -
2 stops10h 17m
Mon 11/98:35 am -
2 stops11h 35m
Deal found 8/1![United Airlines logo]()
$593
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.
Thu 10/15:30 am -
2 stops9h 16m
Mon 10/512:45 pm -
2 stops11h 05m
Deal found 8/2![United Airlines logo]()
$593
Last-minute flights from San Antonio to OntarioDiscover last-minute flight deals from San Antonio to Ontario. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Ontario. Data last updated August 5, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 8/1. 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 8/156:30 am -
1 stop10h 00m
Sat 8/226:10 am -
1 stop17h 41m
Deal found 8/1![Lufthansa logo]()
$382
This Flysmarter deal was found by Cheapflights users on 8/1. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:50 am -
1 stop8h 10m
Sat 8/228:55 am -
2 stops8h 36m
Deal found 8/1![Air Canada logo]()
$414
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.
Tue 8/251:00 pm -
1 stop8h 06m
Sat 8/296:10 am -
1 stop17h 41m
Deal found 8/2![United Airlines logo]()
$428
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 am -
1 stop10h 21m
Sun 8/306:00 am -
1 stop10h 54m
Deal found 8/3![Delta logo]()
$458
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 8/2812:15 pm -
1 stop6h 30m
Tue 9/19:45 am -
2 stops8h 58m
Deal found 8/3![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/15:30 am -
2 stops8h 10m
Thu 9/106:10 am -
1 stop6h 42m
Deal found 8/1![United Airlines logo]()
$456
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:24 pm -
1 stop17h 45m
Sun 9/67:30 am -
2 stops28h 20m
Deal found 8/2![Multiple Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/57:05 am -
1 stop13h 39m
Mon 9/145:34 pm -
1 stop7h 21m
Deal found 8/1![American Airlines logo]()
$450
This Air Canada deal was found by Cheapflights users on 8/1. 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 9/58:50 am -
1 stop7h 37m
Mon 9/1410:40 am -
2 stops11h 33m
Deal found 8/1![Air Canada logo]()
$457
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:50 pm -
1 stop21h 19m
Sat 9/1910:00 am -
2 stops26h 44m
Deal found 8/3![Multiple Airlines logo]()
$498
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:50 pm -
1 stop21h 19m
Mon 9/218:35 pm -
1 stop18h 45m
Deal found 8/3![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 9/2110:05 am -
1 stop9h 00m
Thu 9/249:50 am -
2 stops27h 08m
Deal found 8/1![Multiple Airlines logo]()
$459
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 August 5, 2026.
Search for one-way flight options from San Antonio to Ontario. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Fri 10/309:57 am -
1 stop26h 43m
Deal found 8/1![Multiple Airlines logo]()
$179
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.
Sat 9/266:35 am -
1 stop13h 51m
Deal found 8/3![United Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/156:00 am -
1 stop7h 44m
Deal found 8/1![American Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/155:30 am -
2 stops11h 00m
Deal found 8/1![United Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 7/31. 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 10/511:36 am -
1 stop10h 51m
Deal found 7/31![Delta logo]()
$207
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:55 pm -
1 stop8h 55m
Deal found 8/4![Delta logo]()
$212
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/59:48 am -
2 stops11h 18m
Deal found 7/31![United Airlines logo]()
$213
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.
Tue 9/2911:47 am -
2 stops9h 19m
Deal found 8/4![United Airlines logo]()
$217
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:30 am -
2 stops22h 35m
Deal found 8/2![WestJet logo]()
$221
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:05 am -
2 stops10h 50m
Deal found 8/5![Multiple Airlines logo]()
$226
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:25 am -
2 stops34h 30m
Deal found 8/3![Multiple Airlines logo]()
$227
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 8/196:30 am -
2 stops10h 50m
Deal found 8/3![United Airlines logo]()
$233
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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $382 (Kissandfly.com) |
One-way from | $179 (Kiwi.com) |
Popular in | October |
Cheapest in | July |
Average price | $473 |
Good round-trip deal | $387 or less |
Good one-way deal | $246 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 2,558,603 searches. Data last updated August 5, 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 AntonioMontreal
SAT San Antonio - YUL Montreal Pierre Elliott Trudeau Intl
SATYUL
San Antonio
Sat 9/12
1:00 pm-9:26 pm
1 stop7h 26m
Montreal Pierre Elliott Trudeau Intl
Sat 10/3
2:20 pm-10:50 pm
2 stops9h 30m
$437
San AntonioMontreal
SAT San Antonio - YUL Montreal Pierre Elliott Trudeau Intl
SATYUL
San Antonio
Tue 8/25
12:00 pm-10:06 pm
2 stops9h 06m
Montreal Pierre Elliott Trudeau Intl
Sat 8/29
6:10 am-4:31 pm
1 stop11h 21m
$437
San AntonioMontreal
SAT San Antonio - YUL Montreal Pierre Elliott Trudeau Intl
SATYUL
San Antonio
Fri 8/28
6:20 pm-2:44 pm
1 stop19h 24m
Montreal Pierre Elliott Trudeau Intl
Tue 9/1
2:30 pm-9:15 pm
1 stop7h 45m
$450
San AntonioMontreal
SAT San Antonio - YUL Montreal Pierre Elliott Trudeau Intl
SATYUL
San Antonio
Fri 9/25
11:36 am-11:27 pm
1 stop10h 51m
Montreal Pierre Elliott Trudeau Intl
Sat 10/3
6:00 am-2:07 pm
1 stop9h 07m
$450
San AntonioMontreal
SAT San Antonio - YUL Montreal Pierre Elliott Trudeau Intl
SATYUL
San Antonio
Mon 11/2
1:25 pm-9:17 pm
1 stop6h 52m
Montreal Pierre Elliott Trudeau Intl
Tue 11/3
6:00 am-12:08 pm
1 stop7h 08m
$450
San AntonioMontreal
SAT San Antonio - YUL Montreal Pierre Elliott Trudeau Intl
SATYUL
San Antonio
Fri 9/25
6:48 pm-11:44 am
1 stop15h 56m
Montreal Pierre Elliott Trudeau Intl
Sat 10/3
2:31 pm-9:59 pm
2 stops8h 28m
$460
San AntonioMontreal
SAT San Antonio - YUL Montreal Pierre Elliott Trudeau Intl
SATYUL
San Antonio
Fri 8/28
12:15 pm-7:45 pm
1 stop6h 30m
Montreal Pierre Elliott Trudeau Intl
Tue 9/1
9:45 am-5:43 pm
2 stops8h 58m
$460
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Sun 12/6
9:25 am-12:10 am
2 stops37h 45m
Toronto Pearson Intl
Sun 12/13
8:00 pm-8:12 pm
1 stop25h 12m
$541
Quickest round-trip
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Sat 9/5
8:50 am-1:20 pm
Nonstop3h 30m
Toronto Pearson Intl
Wed 9/9
6:30 pm-9:13 pm
Nonstop3h 43m
$552
San AntonioToronto
SAT San Antonio - YYZ Toronto Pearson Intl
SATYYZ
San Antonio
Wed 10/14
7:35 am-2:24 pm
1 stop5h 49m
Toronto Pearson Intl
Mon 10/19
6:30 pm-9:13 pm
Nonstop3h 43m
$562
Showing 1-10 of 33 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-YUL
SAT-YYZ
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-YUL
SAT-YYZ
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 December is currently the most expensive (average of $654). 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 August 5, 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 $452 and $643 in October.The cheapest round-trip price found within the last 5 days was $413 on Multiple Airlines (Oct 14-Oct 19).
How far ahead should I book a flight from San Antonio to Region of Ontario?
To ensure you get the cheapest price possible for a flight from San Antonio to Region of Ontario, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 August 5, 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.
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
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.
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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 August 5, 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 2,558,603 searches. Data last updated August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$190 | Average$412 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$203 | Average$546 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$289 | Average$514 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$392 | Average$539 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$480 | Average$528 | FlexibilityNo cancel fee | On-time71% |