$113+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
Sep 3 — Sep 101
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 August 4, 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 August 4, 2026.
This deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/196:30 am
LGA
- YUL
Nonstop1h 27m
Air Canada
Tue 9/228:00 pm
YUL
- LGA
Nonstop1h 30m
Air Canada
Deal found 7/30![Air Canada logo]()
$193
This deal was found by Cheapflights users on 8/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:30 pm
LGA
- YUL
Nonstop1h 30m
Air Canada
Tue 9/298:00 pm
YUL
- LGA
Nonstop1h 30m
Air Canada
Deal found 8/3![Air Canada logo]()
$235
This deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Thu 9/175:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 9/227:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 7/30![Porter Airlines logo]()
$238
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:55 am
LGA
- YUL
1 stop4h 07m
Air Canada
Sun 9/68:20 am
YUL
- LGA
Nonstop1h 27m
Air Canada
Deal found 7/31![Air Canada logo]()
$238
This Super.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 9/153:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 7/30![Porter Airlines logo]()
$241
This Flightnetwork deal was found by Cheapflights users on 8/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:55 am
LGA
- YUL
1 stop4h 05m
Multiple Airlines
Fri 9/252:55 pm
YUL
- LGA
1 stop4h 30m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$241
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:00 pm
LGA
- YYZ
Nonstop1h 35m
Multiple Airlines
Tue 9/227:20 am
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$242
This Mytrip deal was found by Cheapflights users on 8/2. 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.
Wed 9/23:30 pm
LGA
- YUL
Nonstop1h 43m
Air Canada
Tue 9/158:20 am
YUL
- LGA
Nonstop1h 25m
Air Canada
Deal found 8/2![Air Canada logo]()
$243
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Sat 9/126:50 am
LGA
- YYZ
Nonstop1h 31m
Multiple Airlines
Sat 9/197:20 am
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$244
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:00 pm
LGA
- YTZ
Nonstop1h 41m
Air Canada
Tue 9/229:30 am
YTZ
- LGA
1 stop5h 06m
Air Canada
Deal found 8/1![Air Canada logo]()
$244
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Thu 9/105:30 pm
LGA
- YUL
Nonstop1h 31m
Air Canada
Sun 9/136:35 am
YUL
- LGA
Nonstop1h 26m
Air Canada
Deal found 7/31![Air Canada logo]()
$244
This Mytrip deal was found by Cheapflights users on 8/2. 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.
Wed 9/169:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Wed 9/233:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 8/2![Porter Airlines logo]()
$245
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 August 4, 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 August 4, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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 11/57:00 am
LGA
- YUL
Nonstop1h 32m
Delta
Sun 11/87:50 pm
YUL
- LGA
Nonstop1h 43m
Delta
Deal found 8/3![Delta logo]()
$291
This United deal was found by Cheapflights users on 8/3. 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 9/197:29 pm
LGA
- YYZ
1 stop4h 25m
Multiple Airlines
Tue 9/225:25 pm
YYZ
- LGA
Nonstop1h 36m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$306
This Porter Airlines deal was found by Cheapflights users on 8/1. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:30 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Wed 8/267:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 8/1![Porter Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/309:10 am
LGA
- YUL
1 stop8h 20m
United Airlines
Sun 9/69:45 am
YUL
- LGA
1 stop8h 40m
United Airlines
Deal found 7/31![United Airlines logo]()
$316
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/256:30 am
LGA
- YOW
1 stop4h 05m
Air Canada
Tue 9/112:15 pm
YOW
- LGA
1 stop3h 32m
Air Canada
Deal found 7/30![Air Canada logo]()
$338
This Delta deal was found by Cheapflights users on 8/3. 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 12/35:14 pm
LGA
- YUL
Nonstop1h 40m
Delta
Sun 12/69:40 am
YUL
- LGA
Nonstop1h 42m
Delta
Deal found 8/3![Delta logo]()
$291
This United deal was found by Cheapflights users on 8/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am
LGA
- YUL
1 stop13h 45m
Multiple Airlines
Sun 10/41:00 pm
YUL
- LGA
1 stop6h 31m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 8/3. 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.
Sun 9/612:06 pm
LGA
- YUL
Nonstop1h 33m
Delta
Wed 9/99:30 am
YUL
- LGA
Nonstop1h 29m
Delta
Deal found 8/3![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/52:55 pm
LGA
- YUL
1 stop4h 50m
United Airlines
Thu 9/102:20 pm
YUL
- LGA
1 stop4h 25m
United Airlines
Deal found 7/30![United Airlines logo]()
$321
This Porter Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Sun 9/139:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 9/207:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 7/30![Porter Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 8/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:29 pm
LGA
- YYZ
1 stop4h 25m
United Airlines
Sat 9/51:00 pm
YYZ
- LGA
1 stop5h 25m
United Airlines
Deal found 8/2![United Airlines logo]()
$322
This United deal was found by Cheapflights users on 7/31. 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 11/41:05 pm
LGA
- YYZ
1 stop5h 40m
Multiple Airlines
Sun 11/812:00 pm
YYZ
- LGA
1 stop4h 51m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 8/4. 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 9/145:12 pm
LGA
- YUL
Nonstop1h 41m
Delta
Wed 9/236:00 am
YUL
- LGA
1 stop5h 45m
Delta
Deal found 8/4![Delta logo]()
$306
This Porter Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:55 pm
LGA
- YUL
1 stop6h 42m
Porter Airlines
Fri 10/239:00 am
YUL
- LGA
2 stops10h 25m
Porter Airlines
Deal found 7/30![Porter Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Mon 9/143:25 pm
LGA
- YYZ
1 stop5h 19m
United Airlines
Wed 9/167:00 am
YYZ
- LGA
1 stop5h 23m
United Airlines
Deal found 8/3![United Airlines logo]()
$340
This United deal was found by Cheapflights users on 7/31. 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 11/67:37 pm
LGA
- YYZ
1 stop4h 15m
Multiple Airlines
Sun 11/87:00 am
YYZ
- LGA
1 stop5h 26m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 8/167:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Wed 8/197:44 pm
YUL
- LGA
Nonstop1h 36m
Delta
Deal found 7/31![Delta logo]()
$324
This Porter Airlines deal was found by Cheapflights users on 8/2. 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 9/169:55 am
LGA
- YOW
1 stop5h 00m
Porter Airlines
Wed 9/238:00 am
YOW
- LGA
2 stops11h 25m
Porter Airlines
Deal found 8/2![Porter Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 9/810:15 am
LGA
- YYZ
1 stop5h 31m
United Airlines
Fri 9/117:00 am
YYZ
- LGA
1 stop5h 23m
United Airlines
Deal found 7/31![United Airlines logo]()
$340
This Air Canada deal was found by Cheapflights users on 7/31. 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.
Thu 8/207:55 am
LGA
- YOW
1 stop5h 22m
Air Canada
Sun 8/238:30 pm
YOW
- LGA
1 stop12h 22m
Air Canada
Deal found 7/31![Air Canada logo]()
$467
This Delta deal was found by Cheapflights users on 8/1. 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 8/217:24 am
LGA
- YYZ
Nonstop1h 46m
Delta
Fri 8/285:05 pm
YYZ
- LGA
Nonstop1h 46m
Delta
Deal found 8/1![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/176:10 am
LGA
- YYZ
1 stop5h 39m
United Airlines
Sat 9/191:00 pm
YYZ
- LGA
1 stop5h 25m
United Airlines
Deal found 7/30![United Airlines logo]()
$351
This United deal was found by Cheapflights users on 8/3. 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 10/37:55 am
LGA
- YTZ
Nonstop1h 39m
Multiple Airlines
Sat 10/105:30 pm
YTZ
- LGA
1 stop4h 00m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$412
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:35 am
LGA
- YQG
2 stops8h 27m
Air Canada
Mon 9/2110:05 am
YQG
- LGA
1 stop5h 41m
Air Canada
Deal found 7/31![Air Canada logo]()
$502
This Porter Airlines deal was found by Cheapflights users on 8/3. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:55 am
LGA
- YOW
1 stop5h 00m
Porter Airlines
Sun 10/48:00 am
YOW
- LGA
2 stops11h 25m
Porter Airlines
Deal found 8/3![Porter Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 8/317:29 pm
LGA
- YYZ
1 stop4h 25m
United Airlines
Thu 9/32:45 pm
YYZ
- LGA
1 stop5h 40m
United Airlines
Deal found 8/1![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 11/307:30 am
LGA
- YUL
1 stop8h 28m
Delta
Fri 12/112:30 pm
YUL
- LGA
Nonstop1h 34m
Delta
Deal found 8/3![Delta logo]()
$374
This Porter Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/25:55 pm
LGA
- YOW
1 stop6h 30m
Porter Airlines
Sun 9/68:00 am
YOW
- LGA
2 stops11h 25m
Porter Airlines
Deal found 7/31![Porter Airlines logo]()
$425
This United deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/1510:00 am
LGA
- YTZ
Nonstop1h 41m
Multiple Airlines
Tue 9/225:30 pm
YTZ
- LGA
1 stop4h 00m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$427
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:05 am
LGA
- YQT
2 stops36h 40m
WestJet
Sun 10/117:50 pm
YQT
- LGA
2 stops25h 52m
WestJet
Deal found 8/3![WestJet logo]()
$1,252
Last-minute flights from LaGuardia to OntarioDiscover last-minute flight deals from LaGuardia to Ontario. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Ontario. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.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
Wed 8/195:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 8/1![Porter Airlines logo]()
$252
This Jettzy deal was found by Cheapflights users on 8/1. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sat 9/53:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 8/1![Porter Airlines logo]()
$248
This Trip.com deal was found by Cheapflights users on 8/2. 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.
Tue 9/19:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 9/87:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 8/2![Porter Airlines logo]()
$250
This Jettzy deal was found by Cheapflights users on 7/31. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Wed 9/93:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 7/31![Porter Airlines logo]()
$246
This Flightnetwork deal was found by Cheapflights users on 8/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:00 am
LGA
- YTZ
Nonstop1h 41m
Air Canada
Wed 9/97:25 am
YTZ
- LGA
Nonstop1h 27m
Air Canada
Deal found 8/3![Air Canada logo]()
$251
This Super.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 9/153:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 7/30![Porter Airlines logo]()
$241
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Sat 9/126:50 am
LGA
- YYZ
Nonstop1h 31m
Multiple Airlines
Sat 9/197:20 am
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$244
This Traveloka deal was found by Cheapflights users on 7/31. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:55 am
LGA
- YTZ
Nonstop1h 41m
Air Canada
Sat 9/1910:45 am
YTZ
- LGA
1 stop3h 51m
Air Canada
Deal found 7/31![Air Canada logo]()
$247
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:00 pm
LGA
- YYZ
Nonstop1h 35m
Multiple Airlines
Tue 9/227:20 am
YYZ
- LGA
Nonstop1h 35m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$242
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:00 pm
LGA
- YTZ
Nonstop1h 41m
Air Canada
Tue 9/229:30 am
YTZ
- LGA
1 stop5h 06m
Air Canada
Deal found 8/1![Air Canada logo]()
$244
This Mytrip deal was found by Cheapflights users on 8/2. 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.
Wed 9/169:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Wed 9/233:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 8/2![Porter Airlines logo]()
$245
This deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Thu 9/175:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Tue 9/227:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 7/30![Porter Airlines logo]()
$238
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 August 4, 2026.
Search for one-way flight options from LaGuardia to Ontario. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Super.com deal was found by Cheapflights users on 8/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 pm
LGA
- YUL
1 stop6h 42m
Porter Airlines
Deal found 8/3![Porter Airlines logo]()
$113
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Sat 8/226:30 am
LGA
- YUL
Nonstop1h 30m
Air Canada
Deal found 8/1![Air Canada logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Tue 10/276:35 pm
LGA
- YYZ
Nonstop1h 42m
Porter Airlines
Deal found 7/31![Porter Airlines logo]()
$117
This Kissandfly.com deal was found by Cheapflights users on 8/1. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:55 am
LGA
- YUL
1 stop4h 05m
Air Canada
Deal found 8/1![Air Canada logo]()
$117
This Trip.com deal was found by Cheapflights users on 8/2. 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.
Sat 8/226:45 am
LGA
- YYZ
Nonstop1h 40m
Air Canada
Deal found 8/2![Air Canada logo]()
$118
This Mytrip deal was found by Cheapflights users on 8/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:55 am
LGA
- YTZ
Nonstop1h 41m
Air Canada
Deal found 8/3![Air Canada logo]()
$118
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:13 am
LGA
- YUL
Nonstop1h 33m
American Airlines
Deal found 7/29![American Airlines logo]()
$118
This Booking.com deal was found by Cheapflights users on 8/1. 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.
Tue 8/2510:40 am
LGA
- YYZ
1 stop4h 55m
Air Canada
Deal found 8/1![Air Canada logo]()
$119
This Traveloka deal was found by Cheapflights users on 7/31. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:30 am
LGA
- YTZ
1 stop5h 21m
Air Canada
Deal found 7/31![Air Canada logo]()
$119
This Delta deal was found by Cheapflights users on 7/31. 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 8/297:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Deal found 7/31![Delta logo]()
$119
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares 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
Air Transat
Deal found 7/31![Air Transat logo]()
$120
This Booking.com deal was found by Cheapflights users on 8/3. 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.
Wed 8/266:30 am
LGA
- YTZ
2 stops6h 45m
Air Canada
Deal found 8/3![Air Canada logo]()
$120
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $193 |
One-way from | $113 (Super.com) |
Popular in | December |
Cheapest in | April |
Average price | $327 |
Good round-trip deal | $279 or less |
Good one-way deal | $166 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 August 4, 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 - YUL
LGAYUL
New York LaGuardia
Thu 11/5
7:00 am-8:32 am
Nonstop1h 32m
Montreal Pierre Elliott Trudeau Intl
Sun 11/8
7:50 pm-9:33 pm
Nonstop1h 43m
$291
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Thu 12/3
5:14 pm-6:54 pm
Nonstop1h 40m
Montreal Pierre Elliott Trudeau Intl
Sun 12/6
9:40 am-11:22 am
Nonstop1h 42m
$291
Quickest round-trip
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Sun 9/6
12:06 pm-1:39 pm
Nonstop1h 33m
Montreal Pierre Elliott Trudeau Intl
Wed 9/9
9:30 am-10:59 am
Nonstop1h 29m
$291
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Sat 9/19
7:29 pm-11:54 pm
1 stop4h 25m
Toronto Pearson Intl
Tue 9/22
5:25 pm-7:01 pm
Nonstop1h 36m
$306
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Fri 10/2
6:00 am-7:45 pm
1 stop13h 45m
Montreal Pierre Elliott Trudeau Intl
Sun 10/4
1:00 pm-7:31 pm
1 stop6h 31m
$306
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Mon 9/14
5:12 pm-6:53 pm
Nonstop1h 41m
Montreal Pierre Elliott Trudeau Intl
Wed 9/23
6:00 am-11:45 am
1 stop5h 45m
$306
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Mon 8/17
8:30 pm-10:10 pm
Nonstop1h 40m
Toronto Pearson Intl
Wed 8/26
7:20 am-8:55 am
Nonstop1h 35m
$315
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Sun 8/30
9:10 am-5:30 pm
1 stop8h 20m
Montreal Pierre Elliott Trudeau Intl
Sun 9/6
9:45 am-6:25 pm
1 stop8h 40m
$316
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Sat 9/5
2:55 pm-7:45 pm
1 stop4h 50m
Montreal Pierre Elliott Trudeau Intl
Thu 9/10
2:20 pm-6:45 pm
1 stop4h 25m
$321
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Tue 9/1
7:29 pm-11:54 pm
1 stop4h 25m
Toronto Pearson Intl
Sat 9/5
1:00 pm-6:25 pm
1 stop5h 25m
$322
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-YTZ
LGA-YOW
LGA-YQG
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-YTZ
LGA-YOW
What is the cheapest month to book a flight from New York LaGuardia Airport to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of $258). Flying from New York LaGuardia Airport to Region of Ontario in December is currently the most expensive (average of $364). 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 August 4, 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 August 4, 2026.
The most flights from LGA to CAON are scheduled on a Friday (47 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (30 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 $275 and $401 in September.The cheapest round-trip price found within the last 5 days was $238 on Porter Airlines (Sep 17-Sep 22).
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 August 1, 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 August 4, 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
Overall
8.0
Entertainment
6.9
Comfort
8.0
Boarding
8.2
Food
7.5
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Boarding
8.2
Food
7.5
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Boarding
8.2
Food
7.5
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Boarding
8.2
Food
7.5
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Boarding
8.2
Food
7.5
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Overall
8.0
Entertainment
6.9
Comfort
8.0
Boarding
8.2
Food
7.5
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 August 4, 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$319 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$146 | Average$285 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$152 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$170 | Average$310 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$194 | Average$304 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$244 | Average$382 | FlexibilityNo cancel fee | On-time71% |