Ontario to Newark

ONTEWR

Fly from Ontario to Newark starting at USD 163 with Frontier Airlines.Best fare available on Sep 1, 2026.Limited seats. Better plans. Book before it's gone.

Ontario to Newark cheapest flights this week

1 Sept
Frontier Airlines
19:56ONT
18:28EWR
2 StopUSD 163VIEW DEAL
1 Sept
Frontier Airlines
09:37ONT
18:28EWR
3 StopUSD 284VIEW DEAL
2 Sept
American Airlines
12:59ONT
20:59EWR
1 StopUSD 241VIEW DEAL
3 Sept
Frontier Airlines
15:40ONT
22:03EWR
3 StopUSD 232VIEW DEAL
3 Sept
Alaska Airlines
06:02ONT
15:26EWR
1 StopUSD 337VIEW DEAL
3 Sept
American Airlines
14:27ONT
06:16EWR
2 StopUSD 341VIEW DEAL
3 Sept
Alaska Airlines
12:00ONT
03:30EWR
1 StopUSD 321VIEW DEAL
4 Sept
American Airlines
12:59ONT
20:59EWR
1 StopUSD 340VIEW DEAL
5 Sept
United Airlines
13:18ONT
20:33EWR
1 StopUSD 252VIEW DEAL
5 Sept
American Airlines
12:59ONT
20:59EWR
1 StopUSD 241VIEW DEAL

Ontario to Newark monthly flight fare trend

Sep
from USD 122
Oct
from USD 126
Nov
from USD 180
Dec
from USD 183
Jan
from USD 187
Feb
from USD 184

Airport Details

Origin

Ontario

Ontario International Airport (ONT)

Ontario, ONT
Zone

Los Angeles

Elev

944 ft

Destination

Newark

Newark Liberty International Airport (EWR)

Newark, EWR
Zone

New York

Elev

18 ft