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ATI to ONT: distance & flight time
Artigas (Artigas International Airport) → Ontario (Ontario International Airport)
5,973 mi
9,612 km · 5,190 nm
12h 11m
estimated nonstop flight time
—
time difference · heading northwest
See live ATI→ONT fares Phone-only fares on this route — call free
Flight time details
5,973 miles nonstop takes roughly 12h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ATI — Artigas International Airport · Artigas , Uruguay
- 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 ATI
- URG · Rubem Berta Airport53 mi away
- AOL · Paso De Los Libres Airport62 mi away
- MCS · Monte Caseros Airport68 mi away
- RVY · Presidente General Don Oscar D. Gestido International Airport73 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 ATI from ONT?
The flight distance from Artigas (ATI) to Ontario (ONT) is 5,973 miles (9,612 km, 5,190 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATI to ONT?
A nonstop flight takes about 12h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ATI to ONT?
Nonstop service on ATI–ONT depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 11m nonstop estimate.
What is the cheapest way to fly from ATI to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATI–ONT that never appear on search engines, with no booking fees.
Why are some ATI to ONT fares phone-only?
Consolidator contracts let us sell certain ATI–ONT tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.