Cheap Flight Tickets from San Juan (SJU) to Ontario (ONT), Starting at $356

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

$356

WN Southwest Airlines • 2 stops • 27h 30m

Sep 21 – Sep 28

The cheapest round trip flight from San Juan to Ontario (SJU-ONT-SJU) is currently $356

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Fastest Flight

51m

The fastest nonstop flight from San Juan to Ontario (SJU-ONT) takes 51m

Top Airlines Flying from San Juan to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American 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.

Sep 21 - Sep 28, Economy
WN
San Juan → Ontario
27h 30m
5:30 AM - 7:20 PM • 2 stops
WN
San Juan → Ontario
15h 55m
11:00 AM - 11:55 PM • 2 stops
$356
Southwest Airlines
Sep 21 - Sep 28, Economy
AA
San Juan → Ontario
32h 31m
4:38 PM - 9:29 AM • 2 stops
AA
San Juan → Ontario
18h 52m
6:15 AM - 8:47 PM • 2 stops
$431
American Airlines
Sep 21 - Sep 28, Economy
AA
San Juan → Ontario
51m
3:35 PM - 1:25 PM • 1 stop
B6
San Juan → Ontario
22m
10:39 PM - 1:39 PM • 1 stop
$527
American Airlines
Sep 21 - Sep 28, Economy
UA
San Juan → Ontario
40h 6m
4:55 PM - 2:01 PM • 2 stops
UA
San Juan → Ontario
23h 45m
6:32 PM - 11:57 AM • 2 stops
$568
United Airlines
Sep 21 - Sep 28, Economy
B6
San Juan → Ontario
15h 50m
6:00 AM - 8:57 PM • 1 stop
B6
San Juan → Ontario
15h 25m
10:39 PM - 7:34 PM • 1 stop
$1351
JetBlue Airways
Sep 21 - Sep 28, Economy
F9
San Juan → Ontario
28h 22m
2:57 AM - 4:59 PM • 3 stops
B6
San Juan → Ontario
23h 53m
10:39 PM - 4:12 PM • 1 stop
$1444
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 2:57 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 431
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 4:55 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

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