$114+ Cheap flights from LaGuardia, NY (LGA) 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from LaGuardia 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 LaGuardia to OntarioExplore the most affordable flight options available from LaGuardia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from LaGuardia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Fri 10/29:55 am -
Nonstop1h 35m
Mon 10/127:20 am -
Nonstop1h 35m
Deal found 9/18![Porter Airlines logo]()
$184
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:55 am -
1 stop4h 05m
Sun 10/46:35 am -
Nonstop1h 26m
Deal found 9/17![Air Canada logo]()
$236
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:40 pm -
Nonstop1h 31m
Tue 10/138:00 pm -
Nonstop1h 30m
Deal found 9/17![Air Canada logo]()
$242
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Tue 10/208:30 pm -
Nonstop1h 35m
Thu 10/227:20 am -
Nonstop1h 35m
Deal found 9/19![Porter Airlines logo]()
$243
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Mon 11/26:00 am -
Nonstop1h 29m
Mon 11/910:55 am -
Nonstop1h 28m
Deal found 9/18![Air Canada logo]()
$243
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:30 pm -
Nonstop1h 25m
Sat 10/103:25 pm -
Nonstop1h 26m
Deal found 9/17![Air Canada logo]()
$244
This Trip.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Tue 10/209:55 am -
Nonstop1h 35m
Tue 10/277:00 am -
Nonstop1h 40m
Deal found 9/18![Porter Airlines logo]()
$246
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:55 pm -
Nonstop1h 35m
Wed 10/215:50 pm -
Nonstop1h 35m
Deal found 9/16![Porter Airlines logo]()
$247
This deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Fri 10/28:45 am -
Nonstop1h 35m
Sun 10/1112:30 am -
1 stop7h 31m
Deal found 9/18![Air Canada 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 10/299:40 am -
Nonstop1h 42m
Sun 11/17:00 am -
Nonstop1h 40m
Deal found 9/14![Porter Airlines logo]()
$249
This Trip.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/219:55 am -
Nonstop1h 35m
Tue 10/273:55 pm -
Nonstop1h 40m
Deal found 9/19![Porter Airlines logo]()
$250
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.
Tue 10/279:40 am -
Nonstop1h 42m
Tue 10/276:20 pm -
Nonstop1h 40m
Deal found 9/15![Porter Airlines logo]()
$251
Best flights from LaGuardia to OntarioDiscover carefully curated flight deals from LaGuardia to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from LaGuardia to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This Gotogate deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Tue 11/37:55 am -
1 stop5h 22m
Tue 11/109:00 am -
1 stop5h 35m
Deal found 9/18![Air Canada logo]()
$284
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:07 am -
Nonstop1h 41m
Sun 12/69:35 am -
Nonstop1h 43m
Deal found 9/17![Delta logo]()
$287
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop13h 45m
Mon 10/269:10 am -
1 stop4h 53m
Deal found 9/16![Multiple Airlines logo]()
$310
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 10/143:28 pm -
1 stop5h 58m
Wed 10/214:55 pm -
1 stop6h 15m
Deal found 9/17![United Airlines logo]()
$312
This Porter Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Mon 11/26:35 pm -
1 stop6h 15m
Mon 11/912:45 pm -
1 stop4h 50m
Deal found 9/18![Porter Airlines logo]()
$448
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am -
Nonstop1h 32m
Mon 10/192:28 pm -
Nonstop1h 36m
Deal found 9/14![Delta logo]()
$309
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:25 am -
1 stop4h 15m
Tue 10/131:10 pm -
1 stop5h 00m
Deal found 9/16![Multiple Airlines logo]()
$310
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.
Thu 10/297:29 pm -
Nonstop1h 48m
Sun 11/17:55 am -
Nonstop1h 45m
Deal found 9/15![Delta logo]()
$310
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.
Mon 10/1910:00 am -
1 stop6h 32m
Wed 10/215:50 pm -
1 stop3h 40m
Deal found 9/14![Air Canada logo]()
$341
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 11/56:05 am -
1 stop7h 58m
Sun 11/86:45 am -
1 stop5h 18m
Deal found 9/14![United Airlines logo]()
$357
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.
Thu 10/298:15 am -
1 stop5h 48m
Sun 11/17:00 am -
1 stop5h 23m
Deal found 9/15![Multiple Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/307:30 am -
1 stop8h 45m
Mon 11/26:00 am -
1 stop7h 54m
Deal found 9/18![Delta logo]()
$312
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/247:55 am -
1 stop5h 22m
Sun 10/256:35 am -
1 stop5h 45m
Deal found 9/19![Air Canada logo]()
$356
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 11/197:15 am -
1 stop6h 48m
Sat 11/213:35 pm -
1 stop5h 43m
Deal found 9/14![United Airlines logo]()
$357
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.
Sat 10/107:29 pm -
1 stop4h 25m
Fri 10/239:00 pm -
Nonstop1h 36m
Deal found 9/17![Multiple Airlines logo]()
$343
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:55 pm -
1 stop8h 32m
Mon 10/56:00 am -
1 stop7h 57m
Deal found 9/17![Delta logo]()
$312
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.
Tue 10/137:00 am -
Nonstop1h 32m
Tue 10/206:00 am -
1 stop4h 51m
Deal found 9/15![Delta logo]()
$313
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:15 am -
1 stop5h 48m
Mon 11/25:30 pm -
1 stop4h 00m
Deal found 9/16![Multiple Airlines logo]()
$352
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.
Fri 10/164:45 pm -
1 stop6h 03m
Mon 10/1911:45 am -
1 stop7h 16m
Deal found 9/14![Air Canada logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/32:59 pm -
1 stop4h 46m
Sun 10/46:35 am -
Nonstop1h 26m
Deal found 9/18![United Airlines logo]()
$428
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 9/2910:25 am -
1 stop8h 37m
Fri 10/22:10 pm -
Nonstop1h 36m
Deal found 9/14![Multiple Airlines logo]()
$355
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 10/165:55 pm -
1 stop4h 38m
Mon 10/196:00 am -
2 stops13h 17m
Deal found 9/14![Porter Airlines logo]()
$529
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:55 am -
Nonstop1h 45m
Wed 10/76:00 am -
Nonstop1h 55m
Deal found 9/17![Delta logo]()
$333
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.
Thu 10/156:00 am -
1 stop4h 04m
Tue 10/202:10 pm -
Nonstop1h 36m
Deal found 9/15![Multiple Airlines logo]()
$357
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:35 am -
1 stop5h 15m
Tue 10/66:10 pm -
Nonstop1h 30m
Deal found 9/16![Air Canada logo]()
$433
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/212:25 pm -
Nonstop1h 47m
Sat 10/242:30 pm -
Nonstop1h 46m
Deal found 9/18![Delta logo]()
$333
This Porter 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:55 am -
2 stops9h 52m
Thu 10/810:00 am -
1 stop6h 55m
Deal found 9/15![Porter Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/27:55 am -
Nonstop1h 41m
Sun 10/47:25 am -
Nonstop1h 30m
Deal found 9/18![United Airlines logo]()
$483
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.
Fri 10/167:30 am -
Nonstop1h 43m
Tue 10/207:55 am -
Nonstop1h 45m
Deal found 9/16![Delta logo]()
$334
This Porter 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:55 pm -
1 stop6h 30m
Sun 10/48:00 am -
2 stops11h 25m
Deal found 9/14![Porter Airlines logo]()
$582
Last-minute flights from LaGuardia to OntarioDiscover last-minute flight deals from LaGuardia to Ontario. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Ontario. Data last updated September 19, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Fri 10/29:55 am -
Nonstop1h 35m
Mon 10/127:20 am -
Nonstop1h 35m
Deal found 9/18![Porter Airlines logo]()
$184
This deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Fri 10/28:45 am -
Nonstop1h 35m
Sun 10/1112:30 am -
1 stop7h 31m
Deal found 9/18![Air Canada logo]()
$248
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:55 pm -
Nonstop1h 35m
Wed 10/215:50 pm -
Nonstop1h 35m
Deal found 9/16![Porter Airlines logo]()
$247
This Flightnetwork deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:30 am -
Nonstop1h 31m
Mon 10/195:50 pm -
Nonstop1h 35m
Deal found 9/19![Multiple Airlines logo]()
$252
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Tue 10/208:30 pm -
Nonstop1h 35m
Thu 10/227:20 am -
Nonstop1h 35m
Deal found 9/19![Porter Airlines logo]()
$243
This Trip.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Tue 10/209:55 am -
Nonstop1h 35m
Tue 10/277:00 am -
Nonstop1h 40m
Deal found 9/18![Porter Airlines logo]()
$246
This Trip.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/219:55 am -
Nonstop1h 35m
Tue 10/273:55 pm -
Nonstop1h 40m
Deal found 9/19![Porter Airlines logo]()
$250
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.
Tue 10/279:40 am -
Nonstop1h 42m
Tue 10/276:20 pm -
Nonstop1h 40m
Deal found 9/15![Porter Airlines logo]()
$251
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 10/299:40 am -
Nonstop1h 42m
Sun 11/17:00 am -
Nonstop1h 40m
Deal found 9/14![Porter Airlines logo]()
$249
This Jettzy 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:40 am -
Nonstop1h 42m
Thu 11/56:20 pm -
Nonstop1h 40m
Deal found 9/14![Porter Airlines logo]()
$255
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:00 pm -
Nonstop1h 45m
Sun 11/112:30 pm -
1 stop4h 18m
Deal found 9/14![Air Canada logo]()
$265
This Traveloka 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:10 pm -
1 stop4h 41m
Fri 11/610:45 am -
1 stop6h 06m
Deal found 9/15![Air Canada logo]()
$259
One-way flights from LaGuardia to OntarioSearch for one-way flight options from LaGuardia to Ontario. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from LaGuardia to Ontario. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:00 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$114
This iWofly 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:10 pm -
Nonstop1h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$115
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:55 am -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$116
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$117
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:30 am -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Canada logo]()
$118
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:55 am -
1 stop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$119
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/175:55 pm -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Porter Airlines logo]()
$120
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:30 am -
1 stop5h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$121
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:55 am -
1 stop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$122
This iWofly deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:55 am -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Air Canada logo]()
$123
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:55 pm -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Porter Airlines logo]()
$124
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:55 am -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Porter Airlines logo]()
$125
Find flight deals from LaGuardia to Ontario
Keep the following information in mind while searching for LaGuardia to Ontario flight deals. Data was last updated September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $184 |
One-way from | $114 (Booking.com) |
Popular in | November |
Cheapest in | April |
Average price | $347 |
Good round-trip deal | $238 or less |
Good one-way deal | $152 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from LaGuardia 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 19, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Fri 11/13
7:07 am-8:44 am
Nonstop1h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
Quickest round-trip
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Sun 10/18
6:59 am-8:31 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Tue 10/6
7:00 am-8:32 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Wed 10/7
7:00 am-8:32 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Mon 12/14
5:16 pm-6:54 pm
Nonstop1h 38m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Sat 10/17
7:00 am-8:32 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Sun 10/25
6:59 am-8:31 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Mon 10/12
7:00 am-8:32 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$128
New YorkMontreal
LGA New York LaGuardia - YUL Montreal Pierre Elliott Trudeau Intl
LGAYUL
New York LaGuardia
Wed 10/21
7:00 am-8:32 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$128
New YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Fri 10/30
9:55 pm-11:36 pm
Nonstop1h 41m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from LaGuardia to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from LaGuardia with our price prediction graph.
LGA-YUL
LGA-YYZ
LGA-YOW
LGA-YHM
LGA-YTZ
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 New York LaGuardia Airport to Ontario
LGA-CAON
LGA-YUL
LGA-YYZ
LGA-YOW
LGA-YHM
What is the cheapest month to book a flight from New York LaGuardia Airport to Region of Ontario?
Currently, April is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of $262). Flying from New York LaGuardia Airport to Region of Ontario in December is currently the most expensive (average of $363). 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 LGA to ON?
Find hourly flight availability from LaGuardia 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 19, 2026.
It’s optimal to fly from New York LaGuardia Airport to Region of Ontario in the morning. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from New York LaGuardia Airport to Region of Ontario
Explore weekly flight availability from LaGuardia 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 19, 2026.
The most flights from LGA to CAON are scheduled on a Wednesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
How much does it cost to fly round-trip from New York LaGuardia Airport to Region of Ontario?
Airfare is below average for this route at the moment.
New York LaGuardia Airport to Region of Ontario flights typically cost between $270 and $408 in October.The cheapest round-trip price found within the last 5 days was $184 on Porter Airlines (Oct 2-Oct 12).
How far ahead should I book a flight from New York LaGuardia Airport to Region of Ontario?
To ensure you get the cheapest price possible for a flight from New York LaGuardia Airport to Region of Ontario, you should look to book at least 68 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.
What is the cheapest day to fly from New York LaGuardia Airport to Region of Ontario?
Use this chart to determine the cheapest time to fly round-trip from LaGuardia to Ontario. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their New York LaGuardia Airport to Region of Ontario flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon 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 19, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from New York LaGuardia Airport to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
6.9
Boarding
8.2
Comfort
8.0
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Entertainment
6.9
Boarding
8.2
Comfort
8.0
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Entertainment
6.9
Boarding
8.2
Comfort
8.0
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Entertainment
6.9
Boarding
8.2
Comfort
8.0
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Entertainment
6.9
Boarding
8.2
Comfort
8.0
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Entertainment
6.9
Boarding
8.2
Comfort
8.0
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from LaGuardia 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 LaGuardia 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 LaGuardia to Ontario by cabin class
Find flights from LaGuardia to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
LaGuardia and Ontario flights
Browse other LaGuardia and Ontario flight options. Last updated on September 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
LaGuardia to Ontario flights
Consider these flights traveling from LaGuardia to Ontario.
Top 7 airlines flying from LaGuardia to Ontario
Discover the top 7 airlines that operate flights from LaGuardia 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$131 | Average$319 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$148 | Average$293 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$152 | Average$448 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$170 | Average$371 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$194 | Average$304 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$253 | Average$393 | FlexibilityNo cancel fee | On-time71% |