- Home
- Flights
- Flights from Ontario
- Ontario to San Juan
Flights from Ontario to San Juan
There are no direct flights from Ontario to San Juan. The fastest way is one stop via Denver or New York, about 9h 20m door to door (32 connections a week on current schedules).
No direct flights · 6 connection options From 9h 20m
Ontario to San Juan at a glance
Fastest journey9h 20mVia Denver, on current schedules
Nonstop flightsNoneConnect via Denver or New York
Best ways to fly from Ontario to San Juan
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Denver (DEN) SJU
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: United Airlines
Mon05:00 ONT08:01 DEN1h 44m connection09:45 DEN17:20 SJUUnited Airlines
2Search
ONT New York (JFK) SJU
Leg 1: JetBlue Airways · Leg 2: Delta Air Lines, JetBlue Airways
Sun22:30 ONT06:25 JFK0h 50m connection07:15 JFK10:54 SJUJetBlue Airways
3Search
ONT Charlotte (CLT) SJU
Leg 1: American Airlines · Leg 2: American Airlines, Frontier Airlines
Sun22:15 ONT05:23 CLT2h 22m connection07:45 CLT11:04 SJUAmerican Airlines
4Search
ONT Atlanta (ATL) SJU
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines, Frontier Airlines
Mon22:00 ONT04:58 ATL3h 02m connection08:00 ATL11:24 SJUDelta Air Lines
5Search
ONT Dallas (DFW) SJU
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines
Mon00:15 ONT05:02 DFW3h 58m connection09:00 DFW14:31 SJUAmerican Airlines
6Search
ONT Houston (IAH) SJU
Leg 1: Frontier Airlines, United Airlines · Leg 2: United Airlines
Thu19:00 ONT23:57 IAH10h 33m connection10:30 IAH15:37 SJUFrontier Airlines + United Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 5,362 km3,330 miles
- Journey time
- 9h 20mon current schedules
- Time difference
- +4hSan Juan vs Ontario
- Currency in San Juan
- USD
- Airports
- ONT → SJU, SIG
Flights from Ontario to San Juan: questions answered
Are there direct flights from Ontario to San Juan?
No. There is no nonstop service, so you will connect, most easily in Denver, New York and Charlotte. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to San Juan?
With one connection the journey usually takes around 9h 20m, depending on the layover. The straight-line distance is 5,362 km.
Where do you change planes between Ontario and San Juan?
The best connecting points are Denver (DEN), New York (JFK), Charlotte (CLT) and Atlanta (ATL). Frontier Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Ontario and San Juan?
Ontario: Ontario International Airport (ONT). San Juan: Luis Munoz Marin International Airport (SJU) and Fernando Luis Ribas Dominicci Airport (SIG).
What is the time difference between Ontario and San Juan?
San Juan is 4 hours ahead of Ontario.
