Need help booking?
Unpublished phone-only deals available
GES to ONT: distance & flight time
Romblon (General Santos International Airport) → Ontario (Ontario International Airport)
7,503 mi
12,075 km · 6,520 nm
15h 11m
estimated nonstop flight time
-15h
time difference · heading northeast
See live GES→ONT fares Phone-only fares on this route — call free
Flight time details
7,503 miles nonstop takes roughly 15h 11m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- GES — General Santos International Airport · Romblon, Philippines
- 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 GES
- AAV · Allah Valley Airport32 mi away
- DVO · Francisco Bangoy International Airport83 mi away
- CBO · Awang Airport98 mi away
- MXI · Mati National Airport102 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 GES from ONT?
The flight distance from Romblon (GES) to Ontario (ONT) is 7,503 miles (12,075 km, 6,520 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GES to ONT?
A nonstop flight takes about 15h 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 Romblon and Ontario?
Ontario is 15 hours behind Romblon.
What is the cheapest way to fly from GES to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GES–ONT that never appear on search engines, with no booking fees.