$106+ Cheap flights from LaGuardia, NY (LGA) to Ontario
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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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 June 15, 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 June 15, 2026.
This FlipMilhas deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:55 am
LGA
- YTZ
Nonstop1h 41m
GOL
Tue 7/282:20 pm
YTZ
- LGA
Nonstop1h 27m
GOL
Deal found 6/11![GOL logo]()
$200
This FlipMilhas deal was found by Cheapflights users on 6/14. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
LGA
- YUL
Nonstop1h 30m
GOL
Wed 8/56:35 am
YUL
- LGA
Nonstop1h 25m
GOL
Deal found 6/14![GOL logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Mon 10/269:40 am
LGA
- YYZ
Nonstop1h 42m
Porter Airlines
Sun 11/13:55 pm
YYZ
- LGA
Nonstop1h 40m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Wed 9/235:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 9/275:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/199:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sat 9/263:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 9/158:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 10/65:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sat 9/193:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/13![Porter Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/48:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Mon 9/73:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$232
This Mytrip deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:55 am
LGA
- YTZ
Nonstop1h 41m
Air Canada
Sat 8/226:05 pm
YTZ
- LGA
Nonstop1h 27m
Air Canada
Deal found 6/14![Air Canada logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sat 10/37:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$233
This Flightnetwork deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:55 am
LGA
- YTZ
Nonstop1h 41m
Air Canada
Tue 7/2812:30 pm
YTZ
- LGA
1 stop4h 27m
Air Canada
Deal found 6/13![Air Canada logo]()
$233
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 June 15, 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 June 15, 2026.
This United deal was found by Cheapflights users on 6/15. 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.
Mon 9/142:55 pm
LGA
- YYZ
1 stop4h 07m
Multiple Airlines
Sun 9/204:35 pm
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/277:15 pm
LGA
- YYZ
Nonstop2h 04m
Delta
Tue 9/16:59 pm
YYZ
- LGA
Nonstop1h 50m
Delta
Deal found 6/11![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:25 pm
LGA
- YYZ
1 stop7h 19m
United Airlines
Tue 9/227:43 pm
YYZ
- LGA
1 stop3h 47m
United Airlines
Deal found 6/12![United Airlines logo]()
$303
This Porter Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 7/255:55 pm
LGA
- YOW
1 stop6h 30m
Porter Airlines
Fri 7/318:55 am
YOW
- LGA
2 stops10h 30m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$434
This Gotogate deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Fri 7/1010:30 am
LGA
- YQT
1 stop6h 59m
Air Canada
Thu 7/166:25 pm
YQT
- LGA
2 stops13h 35m
Air Canada
Deal found 6/11![Air Canada logo]()
$563
This United deal was found by Cheapflights users on 6/14. 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.
Mon 10/263:50 pm
LGA
- YYZ
1 stop7h 38m
Multiple Airlines
Sun 11/16:15 am
YYZ
- LGA
Nonstop1h 42m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 10/202:59 pm
LGA
- YYZ
1 stop4h 03m
United Airlines
Sat 10/245:27 pm
YYZ
- LGA
1 stop5h 43m
United Airlines
Deal found 6/14![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Tue 8/187:44 pm
YUL
- LGA
Nonstop1h 36m
Delta
Deal found 6/10![Delta logo]()
$312
This United deal was found by Cheapflights users on 6/15. 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.
Mon 8/247:29 pm
LGA
- YYZ
1 stop4h 25m
Multiple Airlines
Thu 8/279:00 pm
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 6/14. 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.
Sat 7/116:59 am
LGA
- YUL
Nonstop1h 33m
Delta
Wed 7/157:44 pm
YUL
- LGA
Nonstop1h 36m
Delta
Deal found 6/14![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:05 pm
LGA
- YYZ
1 stop7h 54m
United Airlines
Tue 8/411:00 am
YYZ
- LGA
1 stop7h 22m
United Airlines
Deal found 6/15![United Airlines logo]()
$313
This United deal was found by Cheapflights users on 6/14. 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.
Wed 8/196:00 am
LGA
- YYZ
1 stop8h 19m
Multiple Airlines
Sat 8/229:00 pm
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:59 am
LGA
- YUL
Nonstop1h 33m
Delta
Wed 7/229:30 am
YUL
- LGA
Nonstop1h 30m
Delta
Deal found 6/10![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:10 am
LGA
- YYZ
1 stop5h 39m
United Airlines
Thu 8/137:00 am
YYZ
- LGA
1 stop6h 23m
United Airlines
Deal found 6/15![United Airlines logo]()
$313
This United deal was found by Cheapflights users on 6/14. 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.
Wed 7/110:29 am
LGA
- YYZ
1 stop3h 50m
Multiple Airlines
Wed 7/812:00 pm
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Tue 8/47:44 pm
YUL
- LGA
Nonstop1h 36m
Delta
Deal found 6/10![Delta logo]()
$312
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:25 pm
LGA
- YOW
1 stop4h 00m
Porter Airlines
Fri 8/78:00 am
YOW
- LGA
2 stops11h 25m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$434
This United deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:05 am
LGA
- YYZ
1 stop8h 14m
Multiple Airlines
Wed 8/56:00 am
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:51 pm
LGA
- YUL
1 stop4h 54m
United Airlines
Tue 7/149:45 am
YUL
- LGA
1 stop5h 38m
United Airlines
Deal found 6/12![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:00 pm
LGA
- YUL
1 stop7h 52m
Delta
Wed 7/157:44 pm
YUL
- LGA
Nonstop1h 36m
Delta
Deal found 6/10![Delta logo]()
$322
This United deal was found by Cheapflights users on 6/14. 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.
Wed 7/82:51 pm
LGA
- YYZ
1 stop4h 11m
Multiple Airlines
Sun 7/126:00 am
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:25 pm
LGA
- YUL
1 stop13h 15m
United Airlines
Thu 7/99:45 am
YUL
- LGA
1 stop5h 38m
United Airlines
Deal found 6/10![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 8/167:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Wed 8/197:00 am
YUL
- LGA
2 stops12h 28m
Delta
Deal found 6/14![Delta logo]()
$338
This Air Canada deal was found by Cheapflights users on 6/14. 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.
Tue 8/182:30 pm
LGA
- YQG
1 stop4h 32m
Air Canada
Tue 8/2510:05 am
YQG
- LGA
1 stop4h 54m
Air Canada
Deal found 6/14![Air Canada logo]()
$578
This United deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:51 pm
LGA
- YUL
1 stop4h 54m
Multiple Airlines
Fri 7/107:30 am
YUL
- LGA
1 stop4h 42m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:55 am
LGA
- YTZ
Nonstop1h 39m
United Airlines
Sun 10/252:20 pm
YTZ
- LGA
Nonstop1h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$387
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Sun 8/22:30 pm
LGA
- YQG
1 stop4h 32m
Air Canada
Thu 8/64:05 pm
YQG
- LGA
1 stop6h 30m
Air Canada
Deal found 6/11![Air Canada logo]()
$578
This Porter Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 6/299:55 am
LGA
- YOW
2 stops9h 52m
Porter Airlines
Thu 7/28:40 am
YOW
- LGA
1 stop8h 15m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:55 am
LGA
- YTZ
Nonstop1h 41m
United Airlines
Sun 9/66:05 pm
YTZ
- LGA
Nonstop1h 27m
United Airlines
Deal found 6/13![United Airlines logo]()
$392
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Sun 7/268:45 am
LGA
- YQG
1 stop6h 37m
Air Canada
Sun 8/210:05 am
YQG
- LGA
1 stop4h 54m
Air Canada
Deal found 6/11![Air Canada logo]()
$578
Last-minute flights from LaGuardia to OntarioDiscover last-minute flight deals from LaGuardia to Ontario. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Ontario. Data last updated June 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/85:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Thu 7/97:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$236
This Vliegwinkel deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 7/127:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 7/215:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/13![Porter Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/119:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 7/127:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/115:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Thu 7/167:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$240
This FlipMilhas deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:55 am
LGA
- YTZ
Nonstop1h 41m
GOL
Tue 7/282:20 pm
YTZ
- LGA
Nonstop1h 27m
GOL
Deal found 6/11![GOL logo]()
$200
This Flightnetwork deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:55 am
LGA
- YTZ
Nonstop1h 41m
Air Canada
Tue 7/2812:30 pm
YTZ
- LGA
1 stop4h 27m
Air Canada
Deal found 6/13![Air Canada logo]()
$233
This Jettzy deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Tue 7/218:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Fri 7/247:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 7/267:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/10![Porter Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 7/267:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$235
This CheapTickets deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 8/45:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 6/13![Porter Airlines logo]()
$232
This FlipMilhas deal was found by Cheapflights users on 6/14. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
LGA
- YUL
Nonstop1h 30m
GOL
Wed 8/56:35 am
YUL
- LGA
Nonstop1h 25m
GOL
Deal found 6/14![GOL logo]()
$214
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 June 15, 2026.
Search for one-way flight options from LaGuardia to Ontario. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Trip.com deal was found by Cheapflights users on 6/15. 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 7/139:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$106
This Booking.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/1212:55 pm
LGA
- YTZ
Nonstop1h 39m
Air Canada
Deal found 6/11![Air Canada logo]()
$106
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 6/10![Porter Airlines logo]()
$107
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:00 am
LGA
- YTZ
Nonstop1h 41m
Air Canada
Deal found 6/14![Air Canada logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/98:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$108
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:45 am
LGA
- YTZ
1 stop5h 36m
Air Canada
Deal found 6/10![Air Canada logo]()
$108
This Kissandfly.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/55:40 pm
LGA
- YYZ
1 stop5h 15m
Air Canada
Deal found 6/11![Air Canada logo]()
$109
This Mytrip deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:30 am
LGA
- YTZ
2 stops8h 30m
Air Canada
Deal found 6/13![Air Canada logo]()
$109
This Booking.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 6/258:45 am
LGA
- YYZ
Nonstop1h 38m
Air Canada
Deal found 6/11![Air Canada logo]()
$110
This iWofly deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:40 am
LGA
- YTZ
1 stop5h 11m
Air Canada
Deal found 6/12![Air Canada logo]()
$110
This Justfly.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/199:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$112
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (FlipMilhas) |
One-way from | $106 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $294 |
Good round-trip deal | $276 or less |
Good one-way deal | $128 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 2,558,603 searches. Data last updated June 15, 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 - YYZ
LGAYYZ
New York LaGuardia
Mon 9/14
2:55 pm-7:02 pm
1 stop4h 07m
Toronto Pearson Intl
Sun 9/20
4:35 pm-6:10 pm
Nonstop1h 35m
$287
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Mon 10/26
3:50 pm-11:28 pm
1 stop7h 38m
Toronto Pearson Intl
Sun 11/1
6:15 am-7:57 am
Nonstop1h 42m
$287
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Thu 8/27
7:15 pm-9:19 pm
Nonstop2h 04m
Toronto Pearson Intl
Tue 9/1
6:59 pm-8:49 pm
Nonstop1h 50m
$288
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Mon 8/24
7:29 pm-11:54 pm
1 stop4h 25m
Toronto Pearson Intl
Thu 8/27
9:00 pm-10:35 pm
Nonstop1h 35m
$298
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Wed 8/19
6:00 am-2:19 pm
1 stop8h 19m
Toronto Pearson Intl
Sat 8/22
9:00 pm-10:35 pm
Nonstop1h 35m
$298
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Wed 7/1
10:29 am-2:19 pm
1 stop3h 50m
Toronto Pearson Intl
Wed 7/8
12:00 pm-1:35 pm
Nonstop1h 35m
$298
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Tue 7/28
6:05 am-2:19 pm
1 stop8h 14m
Toronto Pearson Intl
Wed 8/5
6:00 am-7:35 am
Nonstop1h 35m
$298
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Wed 7/8
2:51 pm-7:02 pm
1 stop4h 11m
Toronto Pearson Intl
Sun 7/12
6:00 am-7:35 am
Nonstop1h 35m
$298
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Sat 9/19
1:25 pm-8:44 pm
1 stop7h 19m
Toronto Pearson Intl
Tue 9/22
7:43 pm-11:30 pm
1 stop3h 47m
$303
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Tue 10/20
2:59 pm-7:02 pm
1 stop4h 03m
Toronto Pearson Intl
Sat 10/24
5:27 pm-11:10 pm
1 stop5h 43m
$303
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-YTZ
LGA-YUL
LGA-YYZ
LGA-YOW
LGA-YQT
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-YTZ
LGA-YUL
LGA-YYZ
LGA-YOW
What is the cheapest month to book a flight from New York LaGuardia Airport to Region of Ontario?
Currently, March is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of $40). Flying from New York LaGuardia Airport to Region of Ontario in September is currently the most expensive (average of $609). 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 June 15, 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 11% 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 June 15, 2026.
The most flights from LGA to CAON are scheduled on a Monday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (26 on average).
How much does it cost to fly round-trip from New York LaGuardia Airport to Region of Ontario?
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 June 13, 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 June 15, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andAir Transat 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
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
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 June 15, 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$319 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$144 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$276 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$170 | Average$290 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$194 | Average$304 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$245 | Average$375 | FlexibilityNo cancel fee | On-time71% |