Ontario to Newark

ONTEWR

Fly from Ontario to Newark starting at USD 209 with Alaska Airlines.Best fare available on Oct 5, 2026.Limited seats. Better plans. Book before it's gone.

Ontario to Newark cheapest flights this week

2 Oct
Frontier Airlines
19:46ONT
09:35EWR
1 StopUSD 226VIEW DEAL
2 Oct
Frontier Airlines
20:24ONT
22:01EWR
3 StopUSD 277VIEW DEAL
3 Oct
Alaska Airlines
06:02ONT
15:29EWR
1 StopUSD 295VIEW DEAL
4 Oct
Frontier Airlines
19:46ONT
09:35EWR
1 StopUSD 242VIEW DEAL
5 Oct
Frontier Airlines
19:46ONT
09:35EWR
1 StopUSD 294VIEW DEAL
5 Oct
Alaska Airlines
18:56ONT
13:43EWR
1 StopUSD 209VIEW DEAL
6 Oct
Frontier Airlines
17:44ONT
22:01EWR
3 StopUSD 312VIEW DEAL
7 Oct
United Airlines
13:52ONT
21:59EWR
1 StopUSD 358VIEW DEAL
8 Oct
United Airlines
13:24ONT
21:54EWR
1 StopUSD 348VIEW DEAL
10 Oct
American Airlines
23:59ONT
08:34EWR
1 StopUSD 272VIEW DEAL

Ontario to Newark monthly flight fare trend

Oct
from USD 139
Nov
from USD 132
Dec
from USD 183
Jan
from USD 185
Feb
from USD 184
Mar
from USD 183

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