Cheap Flight Tickets from San Juan (SJU) to Ontario (ONT), Starting at $613

Good to Know: Cheapest and Fastest SJU - ONT Flights

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

Cheapest Round Trip Flight

$613

B6 JetBlue Airways • 1 stop •

Jun 27 – Jul 04

The cheapest round trip flight from San Juan to Ontario (SJU-ONT-SJU) is currently $613

🔍 Search Flights

Fastest Flight

13h 53m

The fastest nonstop flight from San Juan to Ontario (SJU-ONT) takes 13h 53m

Top Airlines Flying from San Juan to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Sun Country Airlines (SY)

Sun Country Airlines

American Airlines, AA

American Airlines

Copa Airlines (CM)

Copa Airlines

Alaska Airlines -AS

Alaska Airlines

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

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

Jun 27 - Jul 04, Economy
B6
San Juan → Ontario
- • 1 stop
B6
San Juan → Ontario
- • 1 stop
$613
JetBlue Airways
Jun 27 - Jul 04, Economy
UA
San Juan → Ontario
13h 53m
2:05 AM - 8:57 AM • 1 stop
UA
San Juan → Ontario
13h 35m
5:00 AM - 5:38 PM • 1 stop
$801
United Airlines
Jun 27 - Jul 04, Economy
UA
San Juan → Ontario
21h 47m
2:05 AM - 12:12 PM • 2 stops
UA
San Juan → Ontario
19h 13m
5:45 AM - 8:38 PM • 1 stop
$826
United Airlines
Jun 27 - Jul 04, Economy
AA
San Juan → Ontario
25h 44m
12:44 AM - 1:28 PM • 1 stop
AA
San Juan → Ontario
17h 5m
10:25 AM - 11:50 PM • 1 stop
$870
American Airlines
Jun 27 - Jul 04, Economy
F9
San Juan → Ontario
53h 35m
2:36 PM - 7:51 PM • 2 stops
F9
San Juan → Ontario
51h 55m
6:47 PM - 5:02 AM • 1 stop
$1066
Frontier Airlines
Jun 27 - Jul 04, Economy
F9
San Juan → Ontario
35h
4:05 PM - 10:05 AM • 3 stops
F9
San Juan → Ontario
51h 55m
6:47 PM - 5:02 AM • 1 stop
$1294
Frontier Airlines

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

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

FAQs on San Juan to Ontario Flights

What are the airports in San Juan?
SJU
What’s the most popular airline flying from SJU to ONT?
The most popular airline flying from San Juan to Ontario are
Can I fly from SJU to ONT non-stop?
NO
Which airlines fly nonstop between San Juan and Ontario?
The non-stop flights between San Juan and Ontario are .
What’s the earliest departure time from SJU to ONT Airport?
The earliest flight leaves SJU at 12:44 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my San Juan to Ontario 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 SJU to ONT?
Read the fare rules of the San Juan to Ontario 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 San Juan and Ontario?
operate flights between San Juan and Ontario
How long does a flight from San Juan to Ontario take?
It takes approximately 7 hour to fly non-stop from SJU to ONT, which is 3340.73 miles by air.
Which airlines provide the cheapest flights from San Juan (SJU) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from SJU were found on AA : USD 870
Do I need a passport to fly between SJU and ONT?
Yes
What’s the latest departure time from SJU to ONT ?
The last flight leaves SJU at 8:300 pm

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

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

More Flight Options for San Juan (SJU) and Ontario (ONT)

Why Fareleaders for SJU to ONT Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on San Juan to Ontario flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on SJU to ONT flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of San Juan to Ontario flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the San Juan (SJU) to Ontario (ONT)
Terms and Conditions*