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GRU to ONT: distance & flight time
Sao Paulo (Guarulhos - Governador André Franco Montoro International Airport) → Ontario (Ontario International Airport)
6,127 mi
9,860 km · 5,324 nm
12h 29m
estimated nonstop flight time
-4h
time difference · heading northwest
See live GRU→ONT fares Phone-only fares on this route — call free
Flight time details
6,127 miles nonstop takes roughly 12h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- GRU — Guarulhos - Governador André Franco Montoro International Airport · Sao Paulo, Brazil
- 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 GRU
- CGH · Congonhas Airport18 mi away
- BJP · Estadual Arthur Siqueira Airport32 mi away
- SSZ · Base Aérea de Santos Airport36 mi away
- SJK · Professor Urbano Ernesto Stumpf Airport41 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 GRU from ONT?
The flight distance from Sao Paulo (GRU) to Ontario (ONT) is 6,127 miles (9,860 km, 5,324 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRU to ONT?
A nonstop flight takes about 12h 29m 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 Sao Paulo and Ontario?
Ontario is 4 hours behind Sao Paulo.
What is the cheapest way to fly from GRU to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRU–ONT that never appear on search engines, with no booking fees.