Ontario to New York

ONTLGA

Fly from Ontario to New York starting at USD 137 with Frontier Airlines.Best fare available on Sep 6, 2026.Limited seats. Better plans. Book before it's gone.

Ontario to New York cheapest flights this week

6 Sept
Southwest Airlines
10:45ONT
20:15LGA
1 StopUSD 187VIEW DEAL
6 Sept
Southwest Airlines
06:55ONT
16:00LGA
1 StopUSD 301VIEW DEAL
6 Sept
Frontier Airlines
08:17ONT
19:00LGA
1 StopUSD 137VIEW DEAL
6 Sept
Southwest Airlines
10:45ONT
20:15LGA
1 StopUSD 156VIEW DEAL
6 Sept
American Airlines
07:05ONT
17:29LGA
1 StopUSD 203VIEW DEAL
6 Sept
United Airlines
06:00ONT
16:25LGA
1 StopUSD 209VIEW DEAL
6 Sept
American Airlines
06:00ONT
14:00LGA
1 StopUSD 327VIEW DEAL
7 Sept
United Airlines
05:00ONT
12:37LGA
DirectUSD 219VIEW DEAL
7 Sept
American Airlines
07:05ONT
17:29LGA
1 StopUSD 354VIEW DEAL
8 Sept
Southwest Airlines
10:55ONT
19:35LGA
1 StopUSD 141VIEW DEAL

Ontario to New York monthly flight fare trend

Sep
from USD 92
Oct
from USD 104
Nov
from USD 133
Dec
from USD 128
Jan
from USD 148
Feb
from USD 159

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