Ontario to Newark

ONTEWR

Fly from Ontario to Newark starting at USD 161 with Frontier Airlines.Best fare available on Sep 15, 2026.Limited seats. Better plans. Book before it's gone.

Ontario to Newark cheapest flights this week

11 Sept
Frontier Airlines
12:07ONT
07:32EWR
2 StopUSD 172VIEW DEAL
11 Sept
United Airlines
13:56ONT
21:59EWR
1 StopUSD 241VIEW DEAL
11 Sept
American Airlines
06:00ONT
16:15EWR
1 StopUSD 286VIEW DEAL
12 Sept
Frontier Airlines
11:45ONT
09:35EWR
2 StopUSD 164VIEW DEAL
12 Sept
United Airlines
08:00ONT
17:09EWR
1 StopUSD 241VIEW DEAL
12 Sept
American Airlines
13:05ONT
20:40EWR
1 StopUSD 279VIEW DEAL
13 Sept
Frontier Airlines
19:46ONT
09:35EWR
1 StopUSD 175VIEW DEAL
14 Sept
Frontier Airlines
20:11ONT
09:35EWR
1 StopUSD 220VIEW DEAL
15 Sept
Frontier Airlines
17:44ONT
22:01EWR
2 StopUSD 161VIEW DEAL
15 Sept
Frontier Airlines
06:15ONT
22:01EWR
3 StopUSD 249VIEW 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 185
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