$154+ Cheap flights from Ontario to California
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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to California 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 Ontario to CaliforniaExplore the most affordable flight options available from Ontario to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Ontario to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/2110:50 am -
1 stop9h 25m
Mon 10/268:05 pm -
2 stops15h 00m
Deal found 9/10![WestJet logo]()
$263
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/286:10 am -
2 stops12h 20m
Thu 10/11:45 pm -
1 stop8h 20m
Deal found 9/10![WestJet logo]()
$264
This Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Sat 11/219:10 am -
2 stops14h 35m
Wed 11/2512:00 pm -
2 stops14h 00m
Deal found 9/10![WestJet logo]()
$266
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:30 am -
1 stop9h 34m
Tue 11/177:30 pm -
1 stop9h 00m
Deal found 9/10![United Airlines logo]()
$267
This Super.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:40 pm -
2 stops12h 00m
Sat 10/38:30 am -
2 stops22h 15m
Deal found 9/9![WestJet logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/1310:00 am -
1 stop10h 15m
Fri 10/238:30 am -
2 stops10h 05m
Deal found 9/8![WestJet logo]()
$269
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/175:30 pm -
1 stop7h 53m
Tue 10/2011:30 pm -
Nonstop4h 19m
Deal found 9/9![Air Canada logo]()
$270
This SmartFares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Wed 10/78:00 am -
2 stops12h 15m
Wed 10/141:45 pm -
2 stops12h 25m
Deal found 9/8![WestJet logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/256:00 am -
1 stop9h 00m
Wed 10/287:45 am -
1 stop9h 35m
Deal found 9/9![WestJet logo]()
$272
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/148:35 am -
1 stop11h 37m
Wed 11/187:30 pm -
1 stop9h 00m
Deal found 9/10![United Airlines logo]()
$273
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Fri 10/162:50 pm -
1 stop9h 50m
Mon 10/197:20 pm -
1 stop21h 35m
Deal found 9/9![WestJet logo]()
$275
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/2712:30 pm -
2 stops13h 01m
Wed 10/286:00 am -
1 stop7h 42m
Deal found 9/9![Air Canada logo]()
$287
Best flights from Ontario to CaliforniaDiscover carefully curated flight deals from Ontario to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Ontario to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/146:45 am -
1 stop8h 56m
Mon 11/165:15 pm -
1 stop11h 15m
Deal found 9/10![United Airlines logo]()
$273
This United deal was found by Cheapflights users on 9/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:10 am -
1 stop18h 49m
Mon 11/1611:50 pm -
Nonstop4h 20m
Deal found 9/7![Multiple Airlines logo]()
$319
This KAYAK deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Mon 10/262:35 pm -
1 stop10h 54m
Fri 10/3011:58 pm -
1 stop6h 49m
Deal found 9/9![Air Canada logo]()
$333
This Delta deal was found by Cheapflights users on 9/6. 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.
Sat 10/101:34 pm -
1 stop12h 25m
Sun 10/1810:55 pm -
1 stop6h 54m
Deal found 9/6![Delta logo]()
$355
This Porter Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:45 am -
1 stop9h 00m
Thu 10/291:45 pm -
1 stop7h 50m
Deal found 9/9![Porter Airlines logo]()
$370
This Air Transat deal was found by Cheapflights users on 9/7. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:55 am -
Nonstop5h 39m
Fri 12/111:35 pm -
Nonstop4h 43m
Deal found 9/7![Air Transat logo]()
$455
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:15 pm -
2 stops18h 45m
Mon 11/234:37 pm -
2 stops20h 28m
Deal found 9/8![Alaska Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/1412:45 pm -
2 stops10h 43m
Sat 10/176:00 am -
1 stop11h 44m
Deal found 9/10![United Airlines logo]()
$309
This United deal was found by Cheapflights users on 9/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 am -
1 stop15h 47m
Sun 12/67:40 am -
Nonstop4h 46m
Deal found 9/6![Multiple Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/15:16 pm -
1 stop8h 43m
Sun 10/411:59 pm -
1 stop8h 44m
Deal found 9/8![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/267:45 am -
1 stop11h 04m
Wed 9/3011:35 am -
1 stop8h 37m
Deal found 9/10![Delta logo]()
$367
This Porter Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 am -
1 stop8h 35m
Sat 10/311:45 pm -
1 stop7h 50m
Deal found 9/9![Porter Airlines logo]()
$379
This United deal was found by Cheapflights users on 9/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am -
1 stop7h 23m
Tue 10/1310:30 pm -
1 stop8h 03m
Deal found 9/6![Multiple Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/15:16 pm -
1 stop8h 43m
Sat 10/36:00 am -
1 stop8h 56m
Deal found 9/8![United Airlines logo]()
$319
This Air Canada deal was found by Cheapflights users on 9/5. 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.
Fri 11/279:20 am -
Nonstop5h 40m
Thu 12/1012:55 pm -
Nonstop5h 00m
Deal found 9/5![Air Canada logo]()
$409
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:38 am -
1 stop10h 55m
Sun 10/255:30 am -
1 stop8h 14m
Deal found 9/9![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/178:50 am -
1 stop16h 23m
Tue 10/209:42 am -
2 stops11h 17m
Deal found 9/9![United Airlines logo]()
$320
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/68:35 am -
1 stop9h 54m
Mon 11/97:40 am -
Nonstop4h 46m
Deal found 9/10![Multiple Airlines logo]()
$377
This Porter Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/26:45 am -
1 stop9h 52m
Wed 2/32:35 pm -
1 stop7h 00m
Deal found 9/10![Porter Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:34 pm -
1 stop11h 32m
Mon 10/1210:34 pm -
1 stop9h 45m
Deal found 9/8![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 9/6. 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 1/98:35 am -
1 stop7h 41m
Tue 1/122:30 pm -
1 stop6h 29m
Deal found 9/6![United Airlines logo]()
$335
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/105:15 pm -
1 stop23h 55m
Mon 3/223:10 pm -
1 stop21h 55m
Deal found 9/8![Alaska Airlines logo]()
$514
This Porter Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:45 am -
1 stop9h 35m
Wed 10/212:15 pm -
1 stop7h 22m
Deal found 9/9![Porter Airlines logo]()
$427
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/251:00 pm -
1 stop8h 27m
Sun 9/2710:35 pm -
Nonstop4h 43m
Deal found 9/10![Multiple Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/212:05 pm -
1 stop9h 12m
Sun 12/611:48 pm -
1 stop7h 19m
Deal found 9/9![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 9/259:45 am -
1 stop10h 48m
Sun 9/279:45 pm -
1 stop11h 34m
Deal found 9/9![Delta logo]()
$416
This Porter Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:45 am -
1 stop8h 49m
Thu 12/241:35 pm -
1 stop8h 00m
Deal found 9/9![Porter Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:15 pm -
1 stop23h 52m
Tue 11/107:00 am -
1 stop30h 05m
Deal found 9/9![Alaska Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:05 pm -
1 stop13h 26m
Sat 11/76:45 am -
1 stop6h 57m
Deal found 9/10![United Airlines logo]()
$343
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Sun 10/46:30 am -
Nonstop5h 38m
Sat 10/101:35 pm -
Nonstop5h 00m
Deal found 9/10![Multiple Airlines logo]()
$432
Last-minute flights from Ontario to CaliforniaDiscover last-minute flight deals from Ontario to California. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to California. Data last updated September 11, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/286:10 am -
2 stops12h 20m
Thu 10/11:45 pm -
1 stop8h 20m
Deal found 9/10![WestJet logo]()
$264
This Super.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:40 pm -
2 stops12h 00m
Sat 10/38:30 am -
2 stops22h 15m
Deal found 9/9![WestJet logo]()
$268
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/68:35 pm -
Nonstop4h 47m
Tue 10/1311:30 pm -
Nonstop4h 19m
Deal found 9/8![Air Canada logo]()
$266
This SmartFares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Wed 10/78:00 am -
2 stops12h 15m
Wed 10/141:45 pm -
2 stops12h 25m
Deal found 9/8![WestJet logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/1310:00 am -
1 stop10h 15m
Fri 10/238:30 am -
2 stops10h 05m
Deal found 9/8![WestJet logo]()
$269
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Fri 10/162:50 pm -
1 stop9h 50m
Mon 10/197:20 pm -
1 stop21h 35m
Deal found 9/9![WestJet logo]()
$275
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/175:30 pm -
1 stop7h 53m
Tue 10/2011:30 pm -
Nonstop4h 19m
Deal found 9/9![Air Canada logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/2110:50 am -
1 stop9h 25m
Mon 10/268:05 pm -
2 stops15h 00m
Deal found 9/10![WestJet logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/256:00 am -
1 stop9h 00m
Wed 10/287:45 am -
1 stop9h 35m
Deal found 9/9![WestJet logo]()
$272
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:45 am -
2 stops12h 18m
Tue 10/2711:59 pm -
1 stop6h 48m
Deal found 9/10![United Airlines logo]()
$273
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/2712:30 pm -
2 stops13h 01m
Wed 10/286:00 am -
1 stop7h 42m
Deal found 9/9![Air Canada logo]()
$287
This WestJet deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop9h 00m
Thu 10/291:00 pm -
2 stops14h 00m
Deal found 9/8![WestJet logo]()
$267
One-way flights from Ontario to CaliforniaSearch for one-way flight options from Ontario to California. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Ontario to California. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/266:45 am -
2 stops12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$154
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:25 pm -
1 stop8h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Porter Airlines logo]()
$158
This Super.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:35 am -
2 stops11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![WestJet logo]()
$162
This Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/298:00 am -
2 stops12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/217:15 am -
2 stops11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$164
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/175:30 pm -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$164
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Sun 9/276:00 am -
2 stops13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$165
This Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:15 am -
1 stop11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$166
This FlightHub deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/1612:40 pm -
2 stops12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![WestJet logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/1511:10 pm -
2 stops25h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$167
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/155:25 pm -
1 stop9h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$168
This BYOjet deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:55 pm -
2 stops11h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$169
Find flight deals from Ontario to California
Keep the following information in mind while searching for Ontario to California flight deals. Data was last updated September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (FlightHub) |
One-way from | $154 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $377 |
Good round-trip deal | $334 or less |
Good one-way deal | $204 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to California 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 11, 2026.
Use the filters below to find and compare flights from Ontario to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Sun 11/15
5:25 pm-11:31 pm
1 stop9h 06m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$168
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Sat 11/14
8:35 am-4:03 pm
2 stops10h 28m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
MontrealLas Vegas
YUL Montreal Pierre Elliott Trudeau Intl - LAS Las Vegas Harry Reid Intl
YULLAS
Montreal Pierre Elliott Trudeau Intl
Sat 12/5
5:25 pm-10:37 pm
1 stop8h 12m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$178
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Wed 10/14
11:38 am-7:52 pm
1 stop11h 14m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Wed 10/14
10:45 am-8:11 pm
1 stop12h 26m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Fri 10/2
6:25 pm-12:28 am
1 stop9h 03m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Sun 9/27
8:00 am-9:40 pm
1 stop16h 40m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$185
Quickest round-trip
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Sun 1/17
11:30 am-1:37 pm
Nonstop5h 07m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$187
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Tue 10/27
8:35 am-4:41 pm
1 stop11h 06m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Fri 9/25
11:00 am-8:04 pm
2 stops12h 04m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to California
Have a flexible travel schedule? Discover the best time to fly to California from Ontario with our price prediction graph.
YYZ-LAS
YTZ-LAS
YUL-LAS
YYZ-LAX
YYZ-SFO
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 California
CAON-USCA
YYZ-LAS
YTZ-LAS
YUL-LAS
YYZ-LAX
What is the cheapest month to book a flight from Region of Ontario to California?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to California (average of $354). Flying from Region of Ontario to California in August is currently the most expensive (average of $497). 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 CA?
Find hourly flight availability from Ontario to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2026.
When flying from Region of Ontario to California, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight in the afternoon.
Weekly flight availability from Region of Ontario to California
Explore weekly flight availability from Ontario to California. 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 11, 2026.
The most flights from CAON to USCA are scheduled on a Wednesday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Region of Ontario to California?
Airfare is typical for this route at the moment.
Region of Ontario to California flights typically cost between $307 and $458 in November.The cheapest round-trip price found within the last 5 days was $311 on WestJet (Nov 26-Nov 29).
How far ahead should I book a flight from Region of Ontario to California?
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to California. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Region of Ontario to California?
Use this chart to determine the cheapest time to fly round-trip from Ontario to California. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Region of Ontario to California flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. 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 California. Reviews last updated September 11, 2026.
Read through reviews of airlines operating flights from Ontario to California, such as Porter Airlines,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Overall
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from Ontario to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to California
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to California by cabin class
Find flights from Ontario to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and California flights
Browse other Ontario and California flight options. Last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from California
Find the right flight back to Ontario after your stay in California
Ontario to California flights
Consider these flights traveling from Ontario to California.
Top 7 airlines flying from Ontario to California
Discover the top 7 airlines that operate flights from Ontario to California. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$146 | Average$349 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$147 | Average$497 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$171 | Average$444 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$419 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$197 | Average$422 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$216 | Average$565 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$313 | Average$497 | FlexibilityNo cancel fee | On-time71% |