$107+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
Dec 5 — Dec 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from LaGuardia to Ontario
Cheapest
Best
Last-minute
One-way
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 November 5, 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 November 5, 2026.
This deal was found by Cheapflights users on 11/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:55 pm -
Nonstop1h 45m
Mon 11/97:00 am -
Nonstop1h 35m
Deal found 11/4![Porter Airlines logo]()
$229
This deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
1 stop5h 45m
Mon 11/3010:15 am -
Nonstop1h 38m
Deal found 10/31![Air Canada logo]()
$232
This deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:35 am -
Nonstop1h 46m
Sun 11/297:00 am -
Nonstop1h 35m
Deal found 10/31![Porter Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:40 am -
Nonstop1h 44m
Wed 12/93:25 pm -
Nonstop1h 34m
Deal found 11/2![Porter Airlines logo]()
$238
This deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:35 am -
Nonstop1h 46m
Tue 11/247:00 am -
Nonstop1h 35m
Deal found 10/31![Porter Airlines logo]()
$239
This Trip.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:35 am -
Nonstop1h 46m
Sun 11/226:25 pm -
Nonstop1h 35m
Deal found 11/1![Porter Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:40 am -
Nonstop1h 44m
Sun 12/63:25 pm -
Nonstop1h 34m
Deal found 11/3![Porter Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:00 pm -
Nonstop1h 46m
Sun 11/157:00 am -
Nonstop1h 35m
Deal found 10/31![Porter Airlines logo]()
$244
This Trip.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:55 pm -
Nonstop1h 44m
Tue 12/86:20 pm -
Nonstop1h 42m
Deal found 10/31![Porter Airlines logo]()
$245
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:55 pm -
Nonstop1h 44m
Sun 12/67:00 am -
Nonstop1h 42m
Deal found 11/2![Porter Airlines logo]()
$246
This Booking.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:00 am -
Nonstop1h 45m
Sun 11/225:30 pm -
1 stop4h 00m
Deal found 11/1![Air Canada logo]()
$254
This Booking.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:00 pm -
Nonstop1h 45m
Sun 12/62:05 pm -
Nonstop1h 30m
Deal found 11/2![Air Canada logo]()
$258
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 November 5, 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 November 5, 2026.
This Porter Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/159:00 pm -
Nonstop1h 44m
Tue 12/226:20 pm -
Nonstop1h 42m
Deal found 10/31![Porter Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:40 pm -
Nonstop1h 53m
Sun 12/66:50 pm -
Nonstop1h 56m
Deal found 11/1![Delta logo]()
$297
This United deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:30 pm -
1 stop4h 22m
Mon 12/79:00 pm -
Nonstop1h 38m
Deal found 11/3![Multiple Airlines logo]()
$307
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Fri 12/1110:00 am -
Nonstop1h 45m
Mon 12/1410:50 am -
Nonstop1h 30m
Deal found 11/4![Air Canada logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:21 am -
1 stop8h 26m
Sat 12/127:44 pm -
1 stop4h 00m
Deal found 10/31![United Airlines logo]()
$320
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Fri 12/410:00 am -
Nonstop1h 45m
Sun 12/64:00 pm -
Nonstop1h 29m
Deal found 11/4![Air Canada logo]()
$317
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:25 pm -
Nonstop1h 50m
Sun 11/1510:14 am -
Nonstop1h 41m
Deal found 10/31![Delta logo]()
$320
This United deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:20 pm -
1 stop5h 39m
Thu 1/710:00 am -
1 stop6h 51m
Deal found 10/31![Multiple Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:20 am -
1 stop5h 27m
Sun 12/66:45 am -
1 stop5h 23m
Deal found 10/31![United Airlines logo]()
$344
This Justfly.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:55 pm -
1 stop6h 46m
Sun 12/612:50 pm -
1 stop4h 09m
Deal found 10/31![Porter Airlines logo]()
$348
This FlightHub deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:55 pm -
1 stop6h 46m
Wed 12/910:15 am -
1 stop6h 44m
Deal found 11/1![Porter Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:33 am -
Nonstop1h 51m
Sun 12/66:50 pm -
Nonstop1h 56m
Deal found 11/3![Delta logo]()
$375
This United deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:05 am -
1 stop7h 42m
Sun 11/157:20 am -
Nonstop1h 38m
Deal found 11/3![Multiple Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:20 am -
1 stop5h 27m
Fri 11/208:35 am -
1 stop5h 48m
Deal found 11/3![United Airlines logo]()
$395
This Porter Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:00 pm -
Nonstop1h 44m
Thu 12/317:00 am -
Nonstop1h 42m
Deal found 11/2![Porter Airlines logo]()
$366
This oojo deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:30 am -
2 stops16h 10m
Wed 12/95:30 am -
2 stops17h 56m
Deal found 11/1![WestJet logo]()
$945
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:33 am -
Nonstop1h 51m
Tue 11/106:45 pm -
Nonstop1h 46m
Deal found 11/4![Delta logo]()
$396
This KAYAK deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2612:55 pm -
Nonstop1h 42m
Wed 1/278:20 am -
2 stops8h 31m
Deal found 11/3![Air Canada logo]()
$461
This United deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:55 am -
Nonstop1h 45m
Sun 11/225:30 pm -
1 stop4h 00m
Deal found 10/31![Multiple Airlines logo]()
$436
This oojo deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:35 am -
1 stop8h 17m
Thu 11/2610:15 am -
1 stop6h 44m
Deal found 11/1![Porter Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:00 pm -
Nonstop1h 45m
Sun 11/2210:50 am -
Nonstop1h 30m
Deal found 11/1![United Airlines logo]()
$469
This United deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:55 am -
Nonstop1h 45m
Wed 1/1310:45 am -
1 stop3h 50m
Deal found 10/31![Multiple Airlines logo]()
$443
This Gotogate deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:45 pm -
1 stop6h 00m
Fri 12/1110:35 am -
2 stops8h 28m
Deal found 11/1![Air Canada logo]()
$512
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:20 am -
1 stop5h 21m
Sun 1/177:25 am -
Nonstop1h 20m
Deal found 11/1![United Airlines logo]()
$485
This Porter Airlines deal was found by Cheapflights users on 11/4. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/95:55 pm -
1 stop4h 19m
Mon 1/111:45 pm -
1 stop6h 14m
Deal found 11/4![Porter Airlines logo]()
$444
This United deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:55 am -
Nonstop1h 45m
Sun 12/66:30 pm -
Nonstop1h 29m
Deal found 11/4![Multiple Airlines logo]()
$459
This Air Canada deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:55 pm -
1 stop5h 00m
Sun 1/37:00 am -
1 stop4h 53m
Deal found 11/1![Air Canada logo]()
$521
This United deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:00 pm -
Nonstop1h 45m
Tue 12/112:30 pm -
1 stop4h 21m
Deal found 11/2![Multiple Airlines logo]()
$478
This FlightHub deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:55 pm -
1 stop6h 42m
Sat 11/2810:15 am -
1 stop6h 44m
Deal found 11/1![Porter Airlines logo]()
$480
This Air Canada deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/154:30 pm -
1 stop5h 29m
Tue 12/224:10 pm -
1 stop6h 28m
Deal found 10/31![Air Canada logo]()
$555
Last-minute flights from LaGuardia to OntarioDiscover last-minute flight deals from LaGuardia to Ontario. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Ontario. Data last updated November 5, 2026 and is based on user searches.
This deal was found by Cheapflights users on 11/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:55 pm -
Nonstop1h 45m
Mon 11/97:00 am -
Nonstop1h 35m
Deal found 11/4![Porter Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:00 pm -
Nonstop1h 46m
Sun 11/157:00 am -
Nonstop1h 35m
Deal found 10/31![Porter Airlines logo]()
$244
This Trip.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:35 am -
Nonstop1h 46m
Sun 11/226:25 pm -
Nonstop1h 35m
Deal found 11/1![Porter Airlines logo]()
$240
This Booking.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:00 am -
Nonstop1h 45m
Sun 11/225:30 pm -
1 stop4h 00m
Deal found 11/1![Air Canada logo]()
$254
This deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:35 am -
Nonstop1h 46m
Tue 11/247:00 am -
Nonstop1h 35m
Deal found 10/31![Porter Airlines logo]()
$239
This deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
1 stop5h 45m
Mon 11/3010:15 am -
Nonstop1h 38m
Deal found 10/31![Air Canada logo]()
$232
This deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:35 am -
Nonstop1h 46m
Sun 11/297:00 am -
Nonstop1h 35m
Deal found 10/31![Porter Airlines logo]()
$234
This Trip.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:55 pm -
Nonstop1h 44m
Tue 12/86:20 pm -
Nonstop1h 42m
Deal found 10/31![Porter Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:40 am -
Nonstop1h 44m
Wed 12/93:25 pm -
Nonstop1h 34m
Deal found 11/2![Porter Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:40 am -
Nonstop1h 44m
Sun 12/63:25 pm -
Nonstop1h 34m
Deal found 11/3![Porter Airlines logo]()
$241
This Booking.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:00 pm -
Nonstop1h 45m
Sun 12/62:05 pm -
Nonstop1h 30m
Deal found 11/2![Air Canada logo]()
$258
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:55 pm -
Nonstop1h 44m
Sun 12/67:00 am -
Nonstop1h 42m
Deal found 11/2![Porter Airlines logo]()
$246
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 November 5, 2026.
Search for one-way flight options from LaGuardia to Ontario. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:40 am -
Nonstop1h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$107
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:55 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Porter Airlines logo]()
$108
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:40 am -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Canada logo]()
$110
This Booking.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:00 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Air Canada logo]()
$110
This Booking.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:30 pm -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Air Canada logo]()
$111
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:00 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Air Canada logo]()
$111
This Booking.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Air Canada logo]()
$112
This Booking.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:55 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Air Canada logo]()
$112
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:55 pm -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Canada logo]()
$113
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:55 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Canada logo]()
$113
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:55 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Air Transat logo]()
$114
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:00 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Air Canada logo]()
$115
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 |
One-way from | $107 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $338 |
Good round-trip deal | $273 or less |
Good one-way deal | $122 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 November 5, 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 YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Sun 11/29
7:20 am-9:12 am
Nonstop1h 52m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
New YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Tue 12/1
6:40 pm-8:33 pm
Nonstop1h 53m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
New YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Sat 11/14
6:40 pm-8:34 pm
Nonstop1h 54m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
New YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Sat 12/5
2:29 pm-4:19 pm
Nonstop1h 50m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
New YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Sun 12/6
4:05 pm-6:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
New YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Tue 12/1
10:25 am-2:25 pm
1 stop4h 00m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
New YorkToronto
LGA New York LaGuardia - YTZ Toronto Island
LGAYTZ
New York LaGuardia
Tue 12/8
10:45 am-3:56 pm
1 stop5h 11m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$136
New YorkToronto
LGA New York LaGuardia - YTZ Toronto Island
LGAYTZ
New York LaGuardia
Sat 12/5
6:00 am-1:14 pm
2 stops7h 14m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$136
New YorkToronto
LGA New York LaGuardia - YYZ Toronto Pearson Intl
LGAYYZ
New York LaGuardia
Sun 12/6
7:15 am-2:03 pm
1 stop6h 48m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$137
New YorkOttawa
LGA New York LaGuardia - YOW Ottawa
LGAYOW
New York LaGuardia
Wed 12/2
5:55 pm-10:06 pm
1 stop4h 11m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
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-YYZ
LGA-YTZ
LGA-YOW
LGA-YQG
LGA-YTS
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-YYZ
LGA-YTZ
LGA-YOW
LGA-YQG
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 $366). 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 November 5, 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 14% 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 November 5, 2026.
The most flights from LGA to CAON are scheduled on a Monday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from New York LaGuardia Airport to Region of Ontario?
Airfare is typical for this route at the moment.
New York LaGuardia Airport to Region of Ontario flights typically cost between $199 and $410 in November.The cheapest round-trip price found within the last 5 days was $232 on Air Canada (Nov 27-Nov 30).
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 71 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 October 31, 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. Saturday evenings 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 November 5, 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.
Crew
8.6
Boarding
8.2
Food
7.6
Entertainment
6.9
Comfort
8.0
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Entertainment
6.9
Comfort
8.0
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Entertainment
6.9
Comfort
8.0
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Entertainment
6.9
Comfort
8.0
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Entertainment
6.9
Comfort
8.0
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Boarding
8.2
Food
7.6
Entertainment
6.9
Comfort
8.0
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from LaGuardia to Ontario. 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 November 5, 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 6 airlines flying from LaGuardia to Ontario
Discover the top 6 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$337 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$142 | Average$292 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$152 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$170 | Average$387 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$253 | Average$411 | FlexibilityNo cancel fee | On-time71% |