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TTN to ONT: distance & flight time
Trenton (Trenton Mercer Airport) → Ontario (Ontario International Airport)
2,371 mi
3,816 km · 2,061 nm
5h 7m
estimated nonstop flight time
-3h
time difference · heading west
See live TTN→ONT fares Phone-only fares on this route — call free
Flight time details
2,371 miles nonstop takes roughly 5h 7m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- TTN — Trenton Mercer Airport · Trenton, United States
- ONT — Ontario International Airport · Ontario, 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 TTN
- PHL · Philadelphia International Airport36 mi away
- EWR · Newark Liberty International Airport44 mi away
- PNE · Northeast Philadelphia Airport17 mi away
- DYL · Doylestown Airport17 mi away
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
Frequently asked questions
How far is TTN from ONT?
The flight distance from Trenton (TTN) to Ontario (ONT) is 2,371 miles (3,816 km, 2,061 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TTN to ONT?
A nonstop flight takes about 5h 7m 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 Trenton and Ontario?
Ontario is 3 hours behind Trenton.
What is the cheapest way to fly from TTN to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TTN–ONT that never appear on search engines, with no booking fees.