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Flights between Ontario (ONT) and San Juan (SJU)

Ontario International Airport, United States ↔ Luis Munoz Marin International Airport, Puerto Rico

A direct route between Ontario and San Juan appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Distance
5,370 km
3,337 miles
Est. flight time
7h 13m
great-circle estimate
Time difference
~4h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in United States

Jan
4°
9/-1
70mm
Feb
6°
11/1
60mm
Mar
11°
16/6
75mm
Apr
17°
22/12
80mm
May
23°
28/18
95mm
Jun
28°
33/23
100mm
Jul
30°
35/25
95mm
Aug
29°
34/24
90mm
Sep
25°
30/20
80mm
Oct
18°
23/13
70mm
Nov
11°
16/6
70mm
Dec
5°
10/0
75mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

United States: Normal precautions (UK FCDO) ↗

Common questions

How far is Ontario from San Juan?

Ontario (ONT) and San Juan (SJU) are around 5,370 km (3,337 miles) apart — an estimated 7h 13m by air. Distances and flight times are great-circle estimates.

What is the time difference between Ontario and San Juan?

Time difference ~ 4 hours (varies with daylight-saving).

When is it warmest in United States?

Across United States, the warmest month on average is July, with mean temperatures around 30°C. These are country-level monthly climate normals, not airport-specific.

Is there a travel advisory for United States?

The UK FCDO currently rates United States as Normal precautions. Check the official source before you travel.

Distances and flight times are great-circle estimates, not booked block times.