Cheap Flight Tickets from Ontario (ONT) to San Juan (SJU), Starting at $462

Good to Know: Cheapest and Fastest ONT - SJU Flights

Useful information for finding best airline tickets from Ontario International to Luis Munoz Marin International on your next trip.

Cheapest Round Trip Flight

$462

AA American Airlines • 1 stop • 17h 3m

Dec 14 – Dec 21

The cheapest round trip flight from Ontario to San Juan (ONT-SJU-ONT) is currently $462

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Fastest Flight

17h 3m

The fastest nonstop flight from Ontario to San Juan (ONT-SJU) takes 17h 3m

Latest Flight Deals from Ontario (ONT) to San Juan (SJU)

Compare and book low fare round-trip air tickets from Ontario to San Juan. Ideal for travelers with confirmed return itineraries.

Dec 14 - Dec 21, Economy
AA
Ontario → San Juan
17h 3m
2:56 PM - 5:19 AM • 1 stop
AA
Ontario → San Juan
16h 54m
2:44 PM - 8:58 PM • 1 stop
$462
American Airlines

Fly from Ontario to San Juan with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to San Juan? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to San Juan Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to SJU?
The most popular airline flying from Ontario to San Juan are
Can I fly from ONT to SJU non-stop?
NO
Which airlines fly nonstop between Ontario and San Juan?
The non-stop flights between Ontario and San Juan are .
What’s the earliest departure time from ONT to SJU Airport?
The earliest flight leaves ONT at 2:56 pm and lands in SJU - Luis Munoz Marin International
What are the airports in San Juan?
SJU
Can I make changes to my Ontario to San Juan flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to SJU?
Read the fare rules of the Ontario to San Juan air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and San Juan?
operate flights between Ontario and San Juan
How long does a flight from Ontario to San Juan take?
It takes approximately 7 hour to fly non-stop from ONT to SJU, which is 3340.73 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to San Juan (SJU) ?
In the past couple of days, the cheapest tickets to SJU from ONT were found on AA : USD 462
Do I need a passport to fly between ONT and SJU?
Yes
What’s the latest departure time from ONT to SJU ?
The last flight leaves ONT at 2:56 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to sju?
You can find affordable flights from Ontario to San Juan with Southwest Airlines. For a one-way trip with 3 passengers, booking in advance is recommended. Given your travel dates are 39 days away, you may be able to secure low fares on this route.
What's the popular airline to fly from ont to sju?
You can fly from Ontario International Airport (ONT) to Luis Munoz Marin International Airport (SJO) on Southwest Airlines. This route is a popular choice among travelers, offering affordable fares and convenient schedules. Please note that you are booking a one-way ticket with two stops.
What's the cheapest day of the week to fly from ont to sju?
The cheapest day to fly from Ontario International Airport (ONT) to Luis Munoz Marin International Airport (SJO) is generally on Sundays. Flying on this day can result in budget-friendly flights, offering savings on airfares.
What's the cheapest month to fly from ont to sju?
The cheapest month to fly from Ontario (ONT) to San Juan (SJO) is November. Flying during this time can result in budget-friendly flights, making it an ideal option for travelers on a tight budget.
Which airline/airlines fly from ont to sju?
The airlines that fly from Ontario International Airport (ONT) to Luis Munoz Marin International Airport (SJO) include Delta Airlines, United Airlines, Southwest Airlines, Alaska Airlines, American Airlines, JetBlue Airways, Frontier Airlines, and Volaris Airline.
What is the cheapest airline to fly from Ontario International Airport (ONT) to Luis Munoz Marin International Airport (SJU)?
Southwest Airlines (WN)
How far in advance should I book my one-way trip for the best airfare?
It is recommended to book your flight at least 39 days in advance for the best airfare.
Can I find cheap flights on your website for a July trip?
Yes, you can find affordable flights on our website for a July trip.
Do you offer bus passes or transportation services for travelers?
No, we do not offer bus passes or transportation services.
What is the typical duration of a flight from Ontario to San Juan?
The typical duration of a flight from Ontario to San Juan is approximately 3 hours and 30 minutes.
Are there any discounts or promotions available for advance bookings?
Yes, we offer discounts for advance bookings.
How can I book my flight and pay securely online?
You can book your flight and pay securely online through our website.

Ontario (ONT) to San Juan (SJU): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Luis Munoz Marin International , San Juan, PR
Distance 3341 miles

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