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Flights from San Juan to Ontario
There are no direct flights from San Juan to Ontario. The fastest way is one stop via Houston or Atlanta, about 9h 23m door to door (53 connections a week on current schedules).
No direct flights · 6 connection options From 9h 14m
San Juan to Ontario at a glance
Fastest journey9h 14mVia Houston, on current schedules
Nonstop flightsNoneConnect via Houston or Atlanta
Best ways to fly from San Juan to Ontario
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
SJU Houston (IAH) ONT
Leg 1: United Airlines · Leg 2: Frontier Airlines, United Airlines
Mon15:15 SJU18:32 IAH2h 13m connection20:45 IAH21:38 ONTUnited Airlines
2Search
SJU Atlanta (ATL) ONT
Leg 1: Delta Air Lines, Frontier Airlines · Leg 2: Delta Air Lines
Thu15:15 SJU18:41 ATL1h 49m connection20:30 ATL21:40 ONTDelta Air Lines
3Search
SJU Denver (DEN) ONT
Leg 1: United Airlines · Leg 2: Frontier Airlines, Southwest Airlines, United Airlines
Sat14:00 SJU17:46 DEN1h 44m connection19:30 DEN20:38 ONTUnited Airlines
4Search
SJU Chicago (ORD) ONT
Leg 1: American Airlines, United Airlines, Frontier Airlines · Leg 2: United Airlines, Volaris
Sun15:30 SJU19:00 ORD2h 45m connection21:45 ORD23:41 ONTAmerican Airlines + United Airlines
5Search
SJU New York (JFK) ONT
Leg 1: Delta Air Lines, JetBlue Airways · Leg 2: JetBlue Airways
Sun15:15 SJU18:48 JFK2h 42m connection21:30 JFK00:16 ONTJetBlue Airways
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 14mon current schedules
- Time difference
- -4hOntario vs San Juan
- Currency in Ontario
- USD
- Airports
- SJU, SIG → ONT
Flights from San Juan to Ontario: questions answered
Are there direct flights from San Juan to Ontario?
No. There is no nonstop service, so you will connect, most easily in Houston, Atlanta and Denver. 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 San Juan to Ontario?
With one connection the journey usually takes around 9h 14m, depending on the layover. The straight-line distance is 5,362 km.
Where do you change planes between San Juan and Ontario?
The best connecting points are Houston (IAH), Atlanta (ATL), Denver (DEN) and Chicago (ORD). United Airlines flies both legs via Houston, so you can book it as one ticket.
Which airports serve San Juan and Ontario?
San Juan: Luis Munoz Marin International Airport (SJU) and Fernando Luis Ribas Dominicci Airport (SIG). Ontario: Ontario International Airport (ONT).
What is the time difference between San Juan and Ontario?
Ontario is 4 hours behind San Juan.
