$123+ Cheap flights from Austin (AUS) 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — YYZ
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Austin 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
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Cheapest flights from Austin to OntarioExplore the most affordable flight options available from Austin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Austin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/305:40 pm -
Nonstop3h 15m
Tue 11/31:40 pm -
Nonstop4h 00m
Deal found 9/14![Porter Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/154:30 pm -
Nonstop3h 25m
Tue 10/2012:55 pm -
Nonstop3h 35m
Deal found 9/13![Porter Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/65:40 pm -
Nonstop3h 15m
Sun 11/81:40 pm -
Nonstop4h 00m
Deal found 9/15![Porter Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/135:40 pm -
Nonstop3h 15m
Sun 11/221:40 pm -
Nonstop4h 00m
Deal found 9/14![Porter Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/305:40 pm -
Nonstop3h 15m
Mon 12/71:40 pm -
Nonstop4h 00m
Deal found 9/13![Porter Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/114:30 pm -
Nonstop3h 25m
Tue 10/2012:55 pm -
Nonstop3h 35m
Deal found 9/13![Porter Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/125:40 pm -
Nonstop3h 15m
Sun 11/221:40 pm -
Nonstop4h 00m
Deal found 9/14![Porter Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 12/35:40 pm -
Nonstop3h 15m
Fri 12/41:40 pm -
Nonstop4h 00m
Deal found 9/13![Porter Airlines logo]()
$250
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/114:30 pm -
Nonstop3h 25m
Tue 10/201:00 pm -
1 stop7h 47m
Deal found 9/13![Multiple Airlines logo]()
$252
This Justfly.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:40 pm -
Nonstop3h 15m
Sun 11/151:40 pm -
Nonstop4h 00m
Deal found 9/16![Porter Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/295:40 pm -
Nonstop3h 15m
Thu 11/51:40 pm -
Nonstop4h 00m
Deal found 9/14![Porter Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/305:40 pm -
Nonstop3h 15m
Tue 12/81:40 pm -
Nonstop4h 00m
Deal found 9/13![Porter Airlines logo]()
$255
Best flights from Austin to OntarioDiscover carefully curated flight deals from Austin to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Austin to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United deal was found by Cheapflights users on 9/12. 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.
Mon 11/166:00 am -
1 stop10h 49m
Wed 11/188:10 am -
Nonstop4h 01m
Deal found 9/12![Multiple Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/17:00 am -
1 stop6h 24m
Sun 10/49:00 pm -
1 stop13h 58m
Deal found 9/14![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 9/13. 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 10/303:00 pm -
1 stop7h 15m
Sun 11/16:15 am -
1 stop5h 58m
Deal found 9/13![Delta logo]()
$314
This Air Canada deal was found by Cheapflights users on 9/12. 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 9/295:25 pm -
1 stop15h 42m
Wed 9/3012:30 pm -
2 stops11h 28m
Deal found 9/12![Air Canada logo]()
$408
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Fri 11/65:40 pm -
1 stop6h 10m
Sun 11/810:20 am -
1 stop7h 20m
Deal found 9/15![Porter Airlines logo]()
$564
This United deal was found by Cheapflights users on 9/13. 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 10/37:15 am -
1 stop14h 08m
Sun 10/48:15 am -
Nonstop3h 33m
Deal found 9/13![Multiple Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/38:45 am -
1 stop8h 43m
Sun 10/46:10 am -
1 stop5h 58m
Deal found 9/13![United Airlines logo]()
$314
This United deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:38 am -
1 stop6h 09m
Mon 11/28:10 am -
Nonstop4h 01m
Deal found 9/17![Multiple Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/163:37 pm -
1 stop7h 22m
Tue 10/202:45 pm -
2 stops9h 09m
Deal found 9/12![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/206:01 am -
2 stops12h 59m
Tue 10/277:00 am -
2 stops16h 36m
Deal found 9/14![American Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:17 pm -
1 stop5h 20m
Wed 12/26:10 am -
1 stop10h 13m
Deal found 9/16![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:00 pm -
1 stop5h 59m
Fri 11/276:10 am -
1 stop8h 07m
Deal found 9/16![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/235:10 am -
2 stops9h 36m
Sun 10/256:45 am -
1 stop9h 06m
Deal found 9/15![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/15. 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 9/301:34 pm -
1 stop9h 16m
Sun 10/46:00 am -
1 stop9h 22m
Deal found 9/15![Delta logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/2712:20 pm -
2 stops28h 00m
Tue 11/35:30 am -
1 stop12h 10m
Deal found 9/12![Multiple Airlines logo]()
$419
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:50 am -
1 stop8h 58m
Sun 10/2512:30 pm -
1 stop9h 49m
Deal found 9/15![Multiple Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am -
1 stop10h 18m
Wed 10/2812:50 pm -
1 stop10h 18m
Deal found 9/16![Delta logo]()
$540
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:10 am -
1 stop5h 47m
Thu 10/157:00 am -
1 stop7h 53m
Deal found 9/16![Delta logo]()
$540
This United deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:50 am -
1 stop9h 40m
Tue 10/204:40 pm -
Nonstop4h 07m
Deal found 9/13![Multiple Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/298:45 am -
1 stop6h 57m
Wed 9/3012:15 pm -
1 stop11h 43m
Deal found 9/12![United Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/68:11 am -
2 stops8h 47m
Sun 11/87:00 am -
2 stops16h 38m
Deal found 9/13![American Airlines logo]()
$739
This Air Canada deal was found by Cheapflights users on 9/12. 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 10/2011:40 am -
1 stop6h 47m
Sat 10/249:45 am -
2 stops11h 10m
Deal found 9/12![Air Canada logo]()
$764
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:34 am -
1 stop9h 08m
Mon 12/1412:05 pm -
1 stop8h 18m
Deal found 9/12![United Airlines logo]()
$441
This United deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:34 am -
2 stops12h 14m
Sun 12/135:00 am -
1 stop7h 11m
Deal found 9/14![Multiple Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:15 am -
2 stops10h 27m
Sat 11/712:05 pm -
1 stop7h 59m
Deal found 9/16![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/26:50 am -
2 stops11h 07m
Tue 10/612:15 pm -
2 stops11h 39m
Deal found 9/13![United Airlines logo]()
$457
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Tue 10/275:40 pm -
1 stop6h 04m
Thu 10/295:15 pm -
3 stops24h 25m
Deal found 9/13![Multiple Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/295:25 pm -
1 stop16h 15m
Wed 9/302:20 pm -
1 stop6h 47m
Deal found 9/13![United Airlines logo]()
$467
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Mon 10/124:30 pm -
1 stop6h 55m
Mon 10/198:55 am -
3 stops31h 35m
Deal found 9/14![Multiple Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/309:00 am -
1 stop6h 10m
Tue 10/62:20 pm -
1 stop6h 47m
Deal found 9/14![United Airlines logo]()
$497
Last-minute flights from Austin to OntarioDiscover last-minute flight deals from Austin to Ontario. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Ontario. Data last updated September 17, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Fri 10/24:30 pm -
Nonstop3h 25m
Sun 10/412:55 pm -
Nonstop3h 35m
Deal found 9/13![Porter Airlines logo]()
$262
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:30 pm -
Nonstop3h 25m
Fri 10/1612:55 pm -
Nonstop3h 35m
Deal found 9/16![Porter Airlines logo]()
$268
This Kissandfly.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/114:30 pm -
Nonstop3h 25m
Tue 10/2012:55 pm -
Nonstop3h 35m
Deal found 9/13![Porter Airlines logo]()
$242
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/114:30 pm -
Nonstop3h 25m
Tue 10/201:00 pm -
1 stop7h 47m
Deal found 9/13![Multiple Airlines logo]()
$252
This Kissandfly.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/117:00 am -
1 stop6h 24m
Tue 10/201:00 pm -
1 stop7h 47m
Deal found 9/13![Air Canada logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/134:30 pm -
1 stop6h 55m
Mon 10/197:20 pm -
1 stop21h 10m
Deal found 9/14![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/154:30 pm -
Nonstop3h 25m
Tue 10/2012:55 pm -
Nonstop3h 35m
Deal found 9/13![Porter Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/164:30 pm -
1 stop6h 55m
Tue 10/206:45 am -
1 stop9h 45m
Deal found 9/13![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/295:40 pm -
Nonstop3h 15m
Thu 11/51:40 pm -
Nonstop4h 00m
Deal found 9/14![Porter Airlines logo]()
$254
This Trip.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 pm -
Nonstop3h 15m
Mon 11/21:40 pm -
Nonstop4h 00m
Deal found 9/17![Porter Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/305:40 pm -
Nonstop3h 15m
Tue 11/31:40 pm -
Nonstop4h 00m
Deal found 9/14![Porter Airlines logo]()
$235
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Fri 10/305:40 pm -
Nonstop3h 15m
Sun 11/11:40 pm -
Nonstop4h 00m
Deal found 9/13![Multiple Airlines logo]()
$267
One-way flights from Austin to OntarioSearch for one-way flight options from Austin to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Austin to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This SmartFares deal was found by Cheapflights users on 9/13. 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 11/65:40 pm -
Nonstop3h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Transat logo]()
$123
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:25 am -
1 stop11h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$128
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/2812:05 pm -
Nonstop3h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Canada logo]()
$129
This Justfly.com deal was found by Cheapflights users on 9/14. 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 11/55:40 pm -
Nonstop3h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Transat logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/114:30 pm -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air Transat logo]()
$132
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:45 am -
1 stop10h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 12/175:40 pm -
Nonstop3h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Porter Airlines logo]()
$134
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/151:30 pm -
2 stops9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/123:43 pm -
2 stops23h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$152
This Air Canada deal was found by Cheapflights users on 9/12. 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 10/611:40 am -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air Canada logo]()
$154
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/24:30 pm -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$156
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Fri 10/94:30 pm -
Nonstop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Transat logo]()
$164
Find flight deals from Austin to Ontario
Keep the following information in mind while searching for Austin to Ontario flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Kiwi.com) |
One-way from | $123 (SmartFares) |
Popular in | November |
Cheapest in | August |
Average price | $358 |
Good round-trip deal | $284 or less |
Good one-way deal | $207 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin 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 17, 2026.
Use the filters below to find and compare flights from Austin to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Thu 12/10
4:30 pm-11:07 pm
1 stop5h 37m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Sat 12/5
6:34 am-2:03 pm
1 stop6h 29m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Tue 12/15
3:05 pm-11:59 pm
1 stop7h 54m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Fri 12/11
5:00 pm-11:58 pm
1 stop5h 58m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Wed 11/18
6:25 am-4:15 pm
1 stop8h 50m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Tue 10/6
12:05 pm-10:56 pm
1 stop9h 51m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Wed 10/14
11:25 am-11:29 pm
1 stop11h 04m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Sun 11/22
5:00 am-1:05 pm
1 stop7h 05m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Tue 10/6
12:00 pm-10:23 pm
2 stops9h 23m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
AustinToronto
AUS Austin Bergstrom - YYZ Toronto Pearson Intl
AUSYYZ
Austin Bergstrom
Fri 10/2
12:15 pm-10:23 pm
2 stops9h 08m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Austin to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Austin with our price prediction graph.
AUS-YYZ
AUS-YUL
AUS-YOW
AUS-YTZ
AUS-YSB
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 Austin to Ontario
AUS-CAON
AUS-YYZ
AUS-YUL
AUS-YOW
AUS-YTZ
What is the cheapest month to book a flight from Austin to Region of Ontario?
Currently, August is the cheapest month in which you can book a flight from Austin to Region of Ontario (average of $349). Flying from Austin to Region of Ontario in January is currently the most expensive (average of $777). 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 AUS to ON?
Find hourly flight availability from Austin 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 17, 2026.
When flying from Austin 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.
Weekly flight availability from Austin to Region of Ontario
Explore weekly flight availability from Austin to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2026.
The most flights from AUS to CAON are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Austin to Region of Ontario?
Airfare is below average for this route at the moment.
Austin to Region of Ontario flights typically cost between $279 and $498 in October.The cheapest round-trip price found within the last 5 days was $235 on Porter Airlines (Oct 30-Nov 3).
How far ahead should I book a flight from Austin to Region of Ontario?
To ensure you get the cheapest price possible for a flight from Austin to Region of Ontario, you should look to book at least 51 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 September 17, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,Delta, andUnited Airlines from Austin to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
6.9
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Austin 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 Austin 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 Austin to Ontario by cabin class
Find flights from Austin to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Ontario flights
Browse other Austin and Ontario flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Ontario flights
Consider these flights traveling from Austin to Ontario.
Top 5 airlines flying from Austin to Ontario
Discover the top 5 airlines that operate flights from Austin 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$643 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$182 | Average$553 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$192 | Average$338 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$285 | Average$462 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$678 | FlexibilityNo cancel fee | On-time71% |