Distance From Los Fresnos Airport to Ontario International Airport

The distance from Los Fresnos Airport () to Ontario International Airport (ONT) is 1297 miles or 2088 kilometers or 1127 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Rio Bravo ( Mexico ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Rio Bravo and Ontario takes around 2 hours 58 minutes.

Estimated flight time from Los Fresnos Airport, Rio Bravo, Mexico to Ontario International Airport, Ontario, United States is 2 hours 58 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - ONT

Kilometers		2088 km
Statute Miles		1297 miles
Nautical Miles		1127 nm
Avg. Time of Flight		2 hours 58 minutes

Los Fresnos Airport to Ontario International Airport Flight Route Map - to ONT Flight Path

Location of Los Fresnos Airport & Ontario International Airport is given below.
Click the map to view Rio Bravo to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Rio Bravo, Mexico and Ontario, United States. .

Nonstop flight route between Rio Bravo, Mexico and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Rio Bravo (Mexico) and Ontario (United States) is 2 Hours.
Ontario time is 2 Hours behind Rio Bravo.

Location	Local Time
Rio Bravo (Mexico)	2026-05-04, 09:51:27 CDT
Ontario (United States)	2026-05-04, 07:51:27 PDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Los Fresnos Airport ( / ) Rio Bravo, Mexico

Destination

Ontario International Airport (ONT / KONT) Ontario, United States