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ONT to EWR: distance & flight time
Ontario (Ontario International Airport) → Newark (Newark Liberty International Airport)
2,403 mi
3,868 km · 2,089 nm
5h 11m
estimated nonstop flight time
+3h
time difference · heading northeast
See live ONT→EWR fares Phone-only fares on this route — call free
Flight time details
2,403 miles nonstop takes roughly 5h 11m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- EWR — Newark Liberty International Airport · Newark, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near EWR
- LGA · La Guardia Airport17 mi away
- JFK · John F Kennedy International Airport21 mi away
- LDJ · Linden Airport7 mi away
- JRB · Downtown-Manhattan/Wall St Heliport8 mi away
Frequently asked questions
How far is ONT from EWR?
The flight distance from Ontario (ONT) to Newark (EWR) is 2,403 miles (3,868 km, 2,089 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to EWR?
A nonstop flight takes about 5h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Ontario and Newark?
Newark is 3 hours ahead of Ontario.
What is the cheapest way to fly from ONT to EWR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–EWR that never appear on search engines, with no booking fees.