Ontario to New York

ONTLGA

Fly from Ontario to New York starting at USD 108 with Frontier Airlines.Best fare available on Jun 3, 2026.Limited seats. Better plans. Book before it's gone.

Ontario to New York cheapest flights this week

3 Jun
Frontier Airlines
08:30ONT
19:00LGA
1 Stop$108VIEW DEAL
5 Jun
Southwest Airlines
12:50ONT
19:55LGA
1 Stop$150VIEW DEAL
13 Jun
American Airlines
22:00ONT
06:00LGA
1 Stop$177VIEW DEAL
18 Jun
Southwest Airlines
12:50ONT
19:55LGA
1 Stop$204VIEW DEAL
10 Jul
Southwest Airlines
12:50ONT
19:55LGA
1 Stop$153VIEW DEAL
11 Jul
Southwest Airlines
11:40ONT
19:25LGA
1 Stop$154VIEW DEAL
12 Jul
Southwest Airlines
23:55ONT
08:20LGA
1 Stop$210VIEW DEAL
14 Aug
Southwest Airlines
12:25ONT
19:55LGA
1 Stop$157VIEW DEAL
15 Aug
American Airlines
23:59ONT
09:02LGA
1 Stop$189VIEW DEAL
1 Sept
Southwest Airlines
23:55ONT
09:35LGA
1 Stop$148VIEW DEAL

Ontario to New York monthly flight fare trend

May
from USD 99
Jun
from USD 108
Jul
from USD 153
Aug
from USD 157
Sep
from USD 148
Oct
No flights

Airport Details

Origin

Ontario

Ontario International Airport (ONT)

Ontario, ONT
Zone

Los Angeles

Elev

944 ft

Destination

New York

LaGuardia Airport (LGA)

New York, LGA
Zone

New York

Elev

21 ft