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RER to ONT: distance & flight time
Retalhuleu (Retalhuleu Airport) → Ontario (Ontario International Airport)
2,106 mi
3,389 km · 1,830 nm
4h 36m
estimated nonstop flight time
-1h
time difference · heading northwest
See live RER→ONT fares Phone-only fares on this route — call free
Flight time details
2,106 miles nonstop takes roughly 4h 36m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- RER — Retalhuleu Airport · Retalhuleu, Guatemala
- 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 RER
- AAZ · Quezaltenango Airport27 mi away
- TAP · Tapachula International Airport49 mi away
- AQB · Santa Cruz del Quiche Airport50 mi away
- GSJ · San José Airport70 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 RER from ONT?
The flight distance from Retalhuleu (RER) to Ontario (ONT) is 2,106 miles (3,389 km, 1,830 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RER to ONT?
A nonstop flight takes about 4h 36m 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 Retalhuleu and Ontario?
Ontario is 1 hour behind Retalhuleu.
What is the cheapest way to fly from RER to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RER–ONT that never appear on search engines, with no booking fees.