Newark to Ontario

EWRONT

Fly from Newark to Ontario starting at USD 165 with Frontier Airlines.Best fare available on Nov 13, 2026.Limited seats. Better plans. Book before it's gone.

Newark to Ontario cheapest flights this week

13 Nov
Alaska Airlines
16:00EWR
01:54ONT
1 StopUSD 189VIEW DEAL
13 Nov
Frontier Airlines
13:30EWR
12:53ONT
1 StopUSD 165VIEW DEAL
15 Nov
American Airlines
07:30EWR
18:35ONT
1 StopUSD 209VIEW DEAL
16 Nov
Frontier Airlines
23:00EWR
13:35ONT
2 StopUSD 178VIEW DEAL
17 Nov
Frontier Airlines
11:35EWR
13:35ONT
3 StopUSD 292VIEW DEAL
18 Nov
Alaska Airlines
07:00EWR
18:13ONT
1 StopUSD 259VIEW DEAL
22 Nov
American Airlines
06:39EWR
15:03ONT
1 StopUSD 250VIEW DEAL
22 Nov
United Airlines
13:15EWR
23:51ONT
1 StopUSD 243VIEW DEAL
22 Nov
Frontier Airlines
06:00EWR
10:20ONT
2 StopUSD 329VIEW DEAL
23 Nov
Alaska Airlines
07:14EWR
18:05ONT
1 StopUSD 198VIEW DEAL

Newark to Ontario monthly flight fare trend

Nov
from USD 165
Dec
from USD 131
Jan
from USD 183
Feb
from USD 188
Mar
from USD 189
Apr
from USD 190

Airport Details

Origin

Newark

Newark Liberty International Airport (EWR)

Newark, EWR
Zone

New York

Elev

18 ft

Destination

Ontario

Ontario International Airport (ONT)

Ontario, ONT
Zone

Los Angeles

Elev

944 ft

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