$126+ Cheap flights from Los Angeles (LAX) 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Los Angeles to Ontario with Cheapflights
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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 Los Angeles to OntarioExplore the most affordable flight options available from Los Angeles to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Los Angeles to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
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.
Sat 11/145:15 pm -
1 stop10h 35m
Mon 11/168:30 pm -
1 stop15h 49m
Deal found 9/8![Multiple Airlines logo]()
$298
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.
Wed 10/146:05 pm -
1 stop8h 30m
Wed 10/217:20 am -
2 stops11h 40m
Deal found 9/9![WestJet logo]()
$300
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 pm -
1 stop8h 30m
Sat 10/171:20 pm -
1 stop11h 45m
Deal found 9/8![WestJet logo]()
$303
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 pm -
1 stop8h 30m
Fri 10/161:20 pm -
1 stop11h 45m
Deal found 9/8![WestJet logo]()
$304
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.
Wed 10/144:24 pm -
2 stops23h 56m
Sat 10/171:20 pm -
1 stop11h 45m
Deal found 9/8![Multiple Airlines logo]()
$306
This Gotogate deal was found by Cheapflights users on 9/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:15 pm -
Nonstop4h 44m
Fri 10/2311:05 am -
Nonstop5h 15m
Deal found 9/4![Porter Airlines logo]()
$310
This Jettzy 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:15 pm -
Nonstop4h 44m
Sun 10/259:55 am -
Nonstop5h 39m
Deal found 9/5![Porter Airlines logo]()
$311
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 pm -
2 stops14h 25m
Sun 10/256:10 am -
2 stops15h 35m
Deal found 9/4![WestJet logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:55 pm -
1 stop9h 15m
Sat 10/39:00 am -
1 stop11h 10m
Deal found 9/4![WestJet logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:30 am -
1 stop8h 25m
Fri 10/2310:50 am -
1 stop9h 20m
Deal found 9/4![WestJet logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:15 pm -
1 stop8h 50m
Sun 10/112:50 pm -
1 stop10h 15m
Deal found 9/4![WestJet logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:55 pm -
1 stop9h 15m
Mon 10/52:50 pm -
1 stop10h 15m
Deal found 9/4![WestJet logo]()
$317
Best flights from Los Angeles to OntarioDiscover carefully curated flight deals from Los Angeles to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Los Angeles to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 pm -
1 stop8h 30m
Fri 10/161:20 pm -
1 stop11h 45m
Deal found 9/8![WestJet logo]()
$304
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 pm -
2 stops14h 25m
Sun 10/257:00 am -
1 stop8h 34m
Deal found 9/4![Multiple Airlines logo]()
$318
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.
Sat 10/247:30 am -
1 stop8h 12m
Sat 10/3110:35 am -
1 stop7h 59m
Deal found 9/8![Air Canada logo]()
$371
This Porter 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:35 pm -
Nonstop4h 43m
Mon 11/169:55 am -
Nonstop5h 39m
Deal found 9/8![Porter Airlines logo]()
$441
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.
Mon 10/1210:05 pm -
1 stop10h 14m
Mon 10/196:10 pm -
1 stop7h 24m
Deal found 9/8![Delta logo]()
$466
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.
Fri 9/2511:30 pm -
1 stop11h 49m
Tue 9/297:00 am -
1 stop7h 23m
Deal found 9/8![United Airlines logo]()
$507
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 10/1312:57 pm -
2 stops23h 48m
Wed 10/214:55 pm -
2 stops19h 03m
Deal found 9/8![Alaska Airlines logo]()
$571
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 pm -
2 stops14h 25m
Sun 10/256:10 am -
2 stops15h 35m
Deal found 9/4![WestJet logo]()
$312
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:40 pm -
2 stops17h 50m
Sun 11/85:45 am -
1 stop8h 39m
Deal found 9/6![Multiple Airlines logo]()
$393
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.
Thu 12/105:00 pm -
1 stop9h 35m
Mon 12/146:40 am -
1 stop12h 30m
Deal found 9/9![WestJet logo]()
$359
This Air Transat 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:15 pm -
1 stop7h 22m
Thu 10/16:45 am -
1 stop9h 35m
Deal found 9/5![Air Transat logo]()
$800
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:35 pm -
1 stop7h 47m
Wed 10/2810:35 am -
1 stop7h 59m
Deal found 9/6![Air Canada logo]()
$435
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.
Thu 12/101:30 pm -
2 stops13h 05m
Mon 12/146:40 am -
1 stop12h 30m
Deal found 9/9![Multiple Airlines logo]()
$405
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:15 pm -
1 stop7h 10m
Mon 10/197:00 am -
1 stop9h 20m
Deal found 9/7![Porter Airlines logo]()
$450
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:30 am -
1 stop9h 20m
Mon 10/198:40 pm -
1 stop18h 45m
Deal found 9/6![WestJet logo]()
$374
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:15 am -
1 stop6h 29m
Sun 11/16:10 pm -
1 stop7h 25m
Deal found 9/7![Delta logo]()
$497
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:30 am -
1 stop8h 12m
Sat 10/2410:05 am -
1 stop8h 25m
Deal found 9/7![Air Canada logo]()
$463
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.
Thu 10/87:30 am -
2 stops25h 05m
Tue 10/206:50 am -
2 stops13h 20m
Deal found 9/9![WestJet logo]()
$388
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 am -
1 stop8h 30m
Fri 10/306:20 am -
1 stop9h 14m
Deal found 9/8![Multiple Airlines logo]()
$443
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:15 pm -
1 stop8h 44m
Mon 11/26:33 pm -
1 stop9h 10m
Deal found 9/7![Delta logo]()
$497
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 am -
1 stop9h 20m
Sun 10/118:40 pm -
1 stop23h 30m
Deal found 9/6![WestJet logo]()
$394
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:45 pm -
2 stops18h 20m
Thu 11/195:15 pm -
1 stop9h 29m
Deal found 9/7![Alaska Airlines logo]()
$588
This Air Canada deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:35 pm -
1 stop6h 50m
Sat 10/243:30 pm -
1 stop8h 25m
Deal found 9/4![Air Canada logo]()
$495
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:05 pm -
3 stops25h 20m
Wed 10/286:05 am -
2 stops19h 26m
Deal found 9/6![Multiple Airlines logo]()
$451
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:30 am -
1 stop9h 20m
Sat 10/38:40 pm -
2 stops22h 20m
Deal found 9/5![WestJet logo]()
$394
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 10/202:15 pm -
1 stop7h 22m
Mon 10/266:45 am -
1 stop8h 49m
Deal found 9/9![Porter Airlines logo]()
$577
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.
Wed 10/2110:35 pm -
1 stop6h 50m
Wed 10/283:25 pm -
1 stop9h 09m
Deal found 9/5![Air Canada logo]()
$495
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:44 pm -
1 stop14h 32m
Tue 11/107:00 am -
1 stop8h 47m
Deal found 9/5![United Airlines logo]()
$669
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:05 pm -
1 stop8h 15m
Wed 10/287:40 am -
2 stops37h 15m
Deal found 9/5![Multiple Airlines logo]()
$457
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.
Mon 11/236:00 am -
1 stop6h 59m
Wed 12/27:45 am -
2 stops17h 51m
Deal found 9/6![Delta logo]()
$571
Last-minute flights from Los Angeles to OntarioDiscover last-minute flight deals from Los Angeles to Ontario. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Ontario. Data last updated September 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:55 pm -
1 stop9h 15m
Sat 10/39:00 am -
1 stop11h 10m
Deal found 9/4![WestJet logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:55 pm -
1 stop9h 15m
Mon 10/52:50 pm -
1 stop10h 15m
Deal found 9/4![WestJet logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:15 pm -
1 stop8h 50m
Sun 10/112:50 pm -
1 stop10h 15m
Deal found 9/4![WestJet logo]()
$316
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.
Wed 10/146:05 pm -
1 stop8h 30m
Wed 10/217:20 am -
2 stops11h 40m
Deal found 9/9![WestJet logo]()
$300
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 pm -
1 stop8h 30m
Sat 10/171:20 pm -
1 stop11h 45m
Deal found 9/8![WestJet logo]()
$303
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 pm -
1 stop8h 30m
Fri 10/161:20 pm -
1 stop11h 45m
Deal found 9/8![WestJet logo]()
$304
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.
Wed 10/144:24 pm -
2 stops23h 56m
Sat 10/171:20 pm -
1 stop11h 45m
Deal found 9/8![Multiple Airlines logo]()
$306
This Gotogate deal was found by Cheapflights users on 9/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:15 pm -
Nonstop4h 44m
Fri 10/2311:05 am -
Nonstop5h 15m
Deal found 9/4![Porter Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:30 am -
1 stop8h 25m
Fri 10/2310:50 am -
1 stop9h 20m
Deal found 9/4![WestJet logo]()
$314
This Jettzy 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:15 pm -
Nonstop4h 44m
Sun 10/259:55 am -
Nonstop5h 39m
Deal found 9/5![Porter Airlines logo]()
$311
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 pm -
2 stops14h 25m
Sun 10/256:10 am -
2 stops15h 35m
Deal found 9/4![WestJet logo]()
$312
This Trip.com deal was found by Cheapflights users on 9/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 pm -
2 stops14h 25m
Sun 10/257:00 am -
1 stop8h 34m
Deal found 9/4![Multiple Airlines logo]()
$318
One-way flights from Los Angeles to OntarioSearch for one-way flight options from Los Angeles to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Los Angeles to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:52 pm -
2 stops19h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$126
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.
Sun 10/46:05 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$131
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.
Mon 12/77:40 am -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$158
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.
Thu 12/105:00 pm -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![WestJet logo]()
$161
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.
Mon 11/2312:15 pm -
2 stops32h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$161
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.
Mon 11/233:30 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
3 stops35h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$169
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:05 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:00 pm -
1 stop18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![WestJet logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:00 pm -
1 stop18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![WestJet logo]()
$177
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.
Sat 10/36:05 pm -
2 stops15h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![WestJet logo]()
$179
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.
Thu 2/47:40 am -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$180
Find flight deals from Los Angeles to Ontario
Keep the following information in mind while searching for Los Angeles to Ontario flight deals. Data was last updated September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $298 (Kiwi.com) |
One-way from | $126 (Trip.com) |
Popular in | July |
Cheapest in | January |
Average price | $441 |
Good round-trip deal | $444 or less |
Good one-way deal | $233 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Los Angeles 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 9, 2026.
Use the filters below to find and compare flights from Los Angeles to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesOttawa
LAX Los Angeles Los Angeles - YOW Ottawa
LAXYOW
Los Angeles Los Angeles
Mon 10/5
8:52 pm-7:20 pm
2 stops19h 28m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$126
Los AngelesOttawa
LAX Los Angeles Los Angeles - YOW Ottawa
LAXYOW
Los Angeles Los Angeles
Thu 10/1
2:50 pm-5:35 am
3 stops35h 45m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$169
Los AngelesOttawa
LAX Los Angeles Los Angeles - YOW Ottawa
LAXYOW
Los Angeles Los Angeles
Sat 10/3
6:05 pm-12:30 pm
2 stops15h 25m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$179
Los AngelesOttawa
LAX Los Angeles Los Angeles - YOW Ottawa
LAXYOW
Los Angeles Los Angeles
Thu 2/4
7:40 am-7:30 pm
1 stop8h 50m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$180
Los AngelesOttawa
LAX Los Angeles Los Angeles - YOW Ottawa
LAXYOW
Los Angeles Los Angeles
Sun 10/4
6:05 pm-12:30 pm
2 stops15h 25m
Ottawa
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$181
Los AngelesLondon
LAX Los Angeles Los Angeles - YXU London
LAXYXU
Los Angeles Los Angeles
Thu 12/10
10:55 pm-2:42 pm
1 stop12h 47m
London
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$183
Los AngelesToronto
LAX Los Angeles Los Angeles - YKF Toronto Region of Waterloo Intl
LAXYKF
Los Angeles Los Angeles
Thu 10/15
6:05 pm-7:50 pm
1 stop22h 45m
Toronto Region of Waterloo Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$187
Los AngelesToronto
LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl
LAXYYZ
Los Angeles Los Angeles
Thu 10/8
10:05 pm-11:19 am
1 stop10h 14m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$188
Los AngelesToronto
LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl
LAXYYZ
Los Angeles Los Angeles
Tue 11/3
10:55 am-11:59 pm
2 stops10h 04m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$188
Los AngelesToronto
LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl
LAXYYZ
Los Angeles Los Angeles
Sat 11/7
5:35 am-5:19 pm
1 stop8h 44m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$188
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Los Angeles to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Los Angeles with our price prediction graph.
LAX-YOW
LAX-YYZ
LAX-YUL
LAX-YXU
LAX-YKF
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 Los Angeles to Ontario
LAX-CAON
LAX-YOW
LAX-YYZ
LAX-YUL
LAX-YXU
What is the cheapest month to book a flight from Los Angeles to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of $381). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of $591). 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 LAX to ON?
Find hourly flight availability from Los Angeles 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 9, 2026.
It’s typically best to fly out from Los Angeles to Region of Ontario at noon. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Los Angeles to Region of Ontario
Explore weekly flight availability from Los Angeles 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 9, 2026.
The most flights from LAX to CAON are scheduled on a Tuesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).
How much does it cost to fly round-trip from Los Angeles to Region of Ontario?
Airfare is typical for this route at the moment.
Los Angeles to Region of Ontario flights typically cost between $295 and $566 in November.The cheapest round-trip price found within the last 5 days was $298 on Multiple Airlines (Nov 14-Nov 16).
How far ahead should I book a flight from Los Angeles to Region of Ontario?
The price you pay for your flight from Los Angeles to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Los Angeles to Region of Ontario?
Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Ontario. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Los Angeles to Region of Ontario flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 9, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Los Angeles to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Los Angeles 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 Los Angeles 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 Los Angeles to Ontario by cabin class
Find flights from Los Angeles to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Los Angeles and Ontario flights
Browse other Los Angeles and Ontario flight options. Last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Los Angeles to Ontario flights
Consider these flights traveling from Los Angeles to Ontario.
Top 8 airlines flying from Los Angeles to Ontario
Discover the top 8 airlines that operate flights from Los Angeles 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$517 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$149 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$455 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$185 | Average$645 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$193 | Average$388 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$220 | Average$612 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$457 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$378 | Average$580 | FlexibilityNo cancel fee | On-time71% |