$89+ 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
May 25 — Jun 11
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 April 25, 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 April 25, 2026.
This Gotogate deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/77:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Mon 5/116:10 pm
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/23![Air Canada logo]()
$206
This CAPO Viagens deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CAPO Viagens is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:00 pm
LGA
- YTZ
Nonstop1h 39m
Air Canada
Tue 6/167:25 am
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/25![Air Canada logo]()
$211
This CAPO Viagens deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CAPO Viagens is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/710:00 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Sun 6/142:20 pm
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/23![Air Canada logo]()
$212
This eDestinos deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Mon 6/15:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/24![Porter Airlines logo]()
$213
This Flightnetwork deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Mon 6/297:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Thu 7/210:45 am
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/23![Air Canada logo]()
$213
This FlipMilhas deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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.
Tue 8/1110:40 am
LGA
- YUL
Nonstop1h 25m
GOL
Thu 8/136:35 am
YUL
- LGA
Nonstop1h 25m
GOL
Deal found 4/21![GOL logo]()
$214
This eDestinos deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:55 am
LGA
- YYZ
Nonstop1h 37m
Porter Airlines
Thu 6/185:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/21![Porter Airlines logo]()
$215
This Gotogate deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/74:45 pm
LGA
- YYZ
Nonstop1h 40m
Air Canada
Mon 5/116:15 am
YYZ
- LGA
Nonstop1h 36m
Air Canada
Deal found 4/23![Air Canada logo]()
$216
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/187:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Tue 5/196:10 pm
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/22![Air Canada logo]()
$216
This Flightnetwork deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Mon 6/223:30 pm
LGA
- YTZ
1 stop4h 21m
Air Canada
Wed 6/246:10 pm
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/24![Air Canada logo]()
$217
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/79:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 5/107:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/20![Porter Airlines logo]()
$218
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 5/177:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Thu 5/289:30 am
YTZ
- LGA
1 stop5h 07m
Air Canada
Deal found 4/22![Air Canada logo]()
$218
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 April 25, 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 April 25, 2026.
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/52:29 pm
LGA
- YYZ
Nonstop1h 43m
Delta
Sun 6/76:00 am
YYZ
- LGA
Nonstop1h 52m
Delta
Deal found 4/21![Delta logo]()
$267
This Porter Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/179:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Fri 5/223:20 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/22![Porter Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/237:10 am
LGA
- YYZ
1 stop6h 32m
United Airlines
Thu 6/257:00 am
YYZ
- LGA
1 stop8h 23m
United Airlines
Deal found 4/23![United Airlines logo]()
$293
This Air Canada deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 10/110:00 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Thu 10/157:25 am
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/24![Air Canada logo]()
$342
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/66:30 am
LGA
- YHM
1 stop9h 25m
Multiple Airlines
Sat 6/138:15 am
YHM
- LGA
1 stop7h 43m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 7/162:20 pm
LGA
- YYZ
Nonstop1h 51m
Delta
Mon 7/206:00 am
YYZ
- LGA
Nonstop1h 46m
Delta
Deal found 4/24![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/107:30 am
LGA
- YYZ
Nonstop1h 40m
Delta
Thu 5/282:30 pm
YYZ
- LGA
Nonstop1h 44m
Delta
Deal found 4/22![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/274:05 pm
LGA
- YYZ
Nonstop1h 50m
Delta
Sun 5/317:55 am
YYZ
- LGA
Nonstop1h 45m
Delta
Deal found 4/24![Delta logo]()
$268
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/2510:00 am
LGA
- YTZ
Nonstop1h 39m
United Airlines
Thu 5/286:10 pm
YTZ
- LGA
Nonstop1h 21m
United Airlines
Deal found 4/20![United Airlines logo]()
$334
This Air Canada deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/157:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Sun 5/177:25 am
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/24![Air Canada logo]()
$346
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/299:56 pm
LGA
- YYZ
Nonstop1h 45m
Delta
Mon 6/16:45 pm
YYZ
- LGA
Nonstop1h 45m
Delta
Deal found 4/24![Delta logo]()
$268
This Porter Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/95:55 pm
LGA
- YOW
1 stop6h 30m
Porter Airlines
Tue 6/168:00 am
YOW
- LGA
2 stops11h 25m
Porter Airlines
Deal found 4/24![Porter Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 6/211:20 am
LGA
- YTZ
1 stop5h 21m
United Airlines
Sun 6/146:10 pm
YTZ
- LGA
Nonstop1h 21m
United Airlines
Deal found 4/20![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 7/237:24 am
LGA
- YYZ
Nonstop1h 46m
Delta
Mon 7/272:31 pm
YYZ
- LGA
Nonstop1h 45m
Delta
Deal found 4/23![Delta logo]()
$268
This KAYAK deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Wed 5/67:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Thu 5/76:50 am
YTZ
- LGA
1 stop14h 40m
Air Canada
Deal found 4/22![Air Canada logo]()
$371
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 8/27:55 am
LGA
- YTZ
Nonstop1h 39m
United Airlines
Tue 8/412:15 pm
YTZ
- LGA
1 stop6h 07m
United Airlines
Deal found 4/22![United Airlines logo]()
$349
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 6/156:30 am
LGA
- YHM
1 stop9h 25m
Multiple Airlines
Sat 6/208:15 am
YHM
- LGA
1 stop10h 54m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 6/207:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Tue 6/239:30 am
YUL
- LGA
Nonstop1h 33m
Delta
Deal found 4/21![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 7/3110:00 am
LGA
- YTZ
Nonstop1h 39m
United Airlines
Tue 8/412:15 pm
YTZ
- LGA
1 stop6h 07m
United Airlines
Deal found 4/20![United Airlines logo]()
$349
This Porter Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:55 pm
LGA
- YOW
1 stop6h 30m
Porter Airlines
Sun 6/148:00 am
YOW
- LGA
2 stops11h 25m
Porter Airlines
Deal found 4/20![Porter Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/137:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Sat 5/162:29 pm
YUL
- LGA
Nonstop1h 36m
Delta
Deal found 4/20![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/810:00 am
LGA
- YTZ
Nonstop1h 39m
United Airlines
Mon 6/156:10 pm
YTZ
- LGA
Nonstop1h 21m
United Airlines
Deal found 4/24![United Airlines logo]()
$355
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/256:30 am
LGA
- YHM
1 stop9h 25m
Multiple Airlines
Sat 5/308:15 am
YHM
- LGA
2 stops15h 06m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$503
This Porter Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/229:55 am
LGA
- YOW
2 stops9h 55m
Porter Airlines
Tue 5/268:00 am
YOW
- LGA
2 stops11h 25m
Porter Airlines
Deal found 4/22![Porter Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/137:00 am
LGA
- YUL
Nonstop1h 39m
Delta
Thu 5/147:44 pm
YUL
- LGA
Nonstop1h 37m
Delta
Deal found 4/20![Delta logo]()
$287
This Air Canada deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 7/172:30 pm
LGA
- YQG
1 stop4h 37m
Air Canada
Sun 7/194:05 pm
YQG
- LGA
1 stop6h 30m
Air Canada
Deal found 4/21![Air Canada logo]()
$482
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:05 pm
LGA
- YUL
Nonstop1h 48m
Delta
Thu 5/147:44 pm
YUL
- LGA
Nonstop1h 37m
Delta
Deal found 4/20![Delta logo]()
$287
This Porter Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 6/69:55 am
LGA
- YOW
2 stops9h 52m
Porter Airlines
Sat 6/138:40 am
YOW
- LGA
1 stop8h 15m
Porter Airlines
Deal found 4/22![Porter Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 9/1012:55 pm
LGA
- YTZ
Nonstop1h 39m
United Airlines
Wed 9/162:20 pm
YTZ
- LGA
Nonstop1h 21m
United Airlines
Deal found 4/21![United Airlines logo]()
$398
This Air Canada deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/292:30 pm
LGA
- YQG
1 stop4h 39m
Air Canada
Sat 5/3010:05 am
YQG
- LGA
1 stop4h 54m
Air Canada
Deal found 4/24![Air Canada logo]()
$482
Last-minute flights from LaGuardia to OntarioDiscover last-minute flight deals from LaGuardia to Ontario. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Ontario. Data last updated April 25, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/77:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Mon 5/116:10 pm
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/23![Air Canada logo]()
$206
This Gotogate deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/74:45 pm
LGA
- YYZ
Nonstop1h 40m
Air Canada
Mon 5/116:15 am
YYZ
- LGA
Nonstop1h 36m
Air Canada
Deal found 4/23![Air Canada logo]()
$216
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/79:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Sun 5/107:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/20![Porter Airlines logo]()
$218
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/78:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Mon 5/117:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/21![Porter Airlines logo]()
$223
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/78:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Fri 5/87:20 am
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/20![Porter Airlines logo]()
$226
This Mytrip deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/91:00 pm
LGA
- YTZ
Nonstop1h 39m
Air Canada
Mon 5/116:10 pm
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/25![Air Canada logo]()
$217
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 5/177:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Thu 5/289:30 am
YTZ
- LGA
1 stop5h 07m
Air Canada
Deal found 4/22![Air Canada logo]()
$218
This Trip.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 5/179:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Thu 5/285:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/22![Porter Airlines logo]()
$221
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/187:55 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Tue 5/196:10 pm
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/22![Air Canada logo]()
$216
This Flightnetwork deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/206:30 am
LGA
- YUL
Nonstop1h 28m
Air Canada
Wed 5/2010:25 am
YUL
- LGA
1 stop5h 16m
Air Canada
Deal found 4/22![Air Canada logo]()
$223
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/2110:00 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Thu 5/287:25 am
YTZ
- LGA
Nonstop1h 21m
Air Canada
Deal found 4/21![Air Canada logo]()
$226
This eDestinos deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Mon 6/15:50 pm
YYZ
- LGA
Nonstop1h 35m
Porter Airlines
Deal found 4/24![Porter Airlines logo]()
$213
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 April 25, 2026.
Search for one-way flight options from LaGuardia to Ontario. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This eDestinos deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/229:55 am
LGA
- YYZ
Nonstop1h 37m
Porter Airlines
Deal found 4/20![Porter Airlines logo]()
$89
This Flightnetwork deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 7/2610:00 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Deal found 4/22![Air Canada logo]()
$89
This eDestinos deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:55 am
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 4/20![Porter Airlines logo]()
$92
This Flightnetwork deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Mon 7/278:45 am
LGA
- YTZ
1 stop5h 36m
Air Canada
Deal found 4/22![Air Canada logo]()
$92
This Gotogate deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/167:25 am
LGA
- YYZ
Nonstop1h 33m
Air Canada
Deal found 4/24![Air Canada logo]()
$93
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 8/196:30 pm
LGA
- YTZ
Nonstop1h 39m
Air Canada
Deal found 4/22![Air Canada logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:55 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 4/20![Porter Airlines logo]()
$94
This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/161:00 pm
LGA
- YTZ
Nonstop1h 39m
Air Canada
Deal found 4/24![Air Canada logo]()
$94
This Mytrip deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/2911:35 am
LGA
- YYZ
Nonstop1h 33m
Air Canada
Deal found 4/25![Air Canada logo]()
$95
This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Sun 5/1710:00 am
LGA
- YTZ
Nonstop1h 39m
Air Canada
Deal found 4/24![Air Canada logo]()
$95
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/58:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 4/21![Porter Airlines logo]()
$96
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/158:25 pm
LGA
- YYZ
Nonstop1h 40m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$97
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 April 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $206 (Gotogate) |
One-way from | $89 (eDestinos) |
Popular in | December |
Cheapest in | May |
Average price | $269 |
Good round-trip deal | $198 or less |
Good one-way deal | $96 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 April 25, 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
Fri 6/5
2:29 pm-4:12 pm
Nonstop1h 43m
Toronto Pearson Intl
Sun 6/7
6:00 am-7:52 am
Nonstop1h 52m
$267
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Sun 5/17
9:55 am-11:35 am
Nonstop1h 40m
Toronto Pearson Intl
Fri 5/22
3:20 pm-4:55 pm
Nonstop1h 35m
$268
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Thu 7/16
2:20 pm-4:11 pm
Nonstop1h 51m
Toronto Pearson Intl
Mon 7/20
6:00 am-7:46 am
Nonstop1h 46m
$268
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Sun 5/10
7:30 am-9:10 am
Nonstop1h 40m
Toronto Pearson Intl
Thu 5/28
2:30 pm-4:14 pm
Nonstop1h 44m
$268
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Wed 5/27
4:05 pm-5:55 pm
Nonstop1h 50m
Toronto Pearson Intl
Sun 5/31
7:55 am-9:40 am
Nonstop1h 45m
$268
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Fri 5/29
9:56 pm-11:41 pm
Nonstop1h 45m
Toronto Pearson Intl
Mon 6/1
6:45 pm-8:30 pm
Nonstop1h 45m
$268
New YorkToronto
LGA - YYZ
LGAYYZ
New York LaGuardia
Thu 7/23
7:24 am-9:10 am
Nonstop1h 46m
Toronto Pearson Intl
Mon 7/27
2:31 pm-4:16 pm
Nonstop1h 45m
$268
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Sat 6/20
7:00 am-8:39 am
Nonstop1h 39m
Montreal Pierre Elliott Trudeau Intl
Tue 6/23
9:30 am-11:03 am
Nonstop1h 33m
$287
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Wed 5/13
7:00 am-8:39 am
Nonstop1h 39m
Montreal Pierre Elliott Trudeau Intl
Sat 5/16
2:29 pm-4:05 pm
Nonstop1h 36m
$287
New YorkMontreal
LGA - YUL
LGAYUL
New York LaGuardia
Wed 5/13
7:00 am-8:39 am
Nonstop1h 39m
Montreal Pierre Elliott Trudeau Intl
Thu 5/14
7:44 pm-9:21 pm
Nonstop1h 37m
$287
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-YYZ
LGA-YUL
LGA-YHM
LGA-YOW
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-YYZ
LGA-YUL
LGA-YHM
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 month to book a flight from New York LaGuardia Airport to Region of Ontario?
Currently, May is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of $14). Flying from New York LaGuardia Airport to Region of Ontario in July is currently the most expensive (average of $622). 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 April 25, 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 in the evening.
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 April 18, 2026.
Travelers seeking maximum savings on their New York LaGuardia Airport to Region of Ontario flight should consider departing on Saturday at noon 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.
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 April 25, 2026.
The most flights from LGA to CAON are scheduled on a Friday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).
How much does it cost to fly round-trip from New York LaGuardia Airport to Region of Ontario?
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 April 25, 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.
Entertainment
7.0
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
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 April 25, 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 April 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$270 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$114 | Average$267 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$117 | Average$360 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$168 | Average$296 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$169 | Average$284 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$194 | Average$338 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$228 | Average$348 | FlexibilityNo cancel fee | On-time71% |