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$289 Cheap American Airlines flights Ontario Intl. Airport (ONT) to San Juan (SJU)

View $289 flight on Mon, Aug 10, 2026Opens in a new window

$289 Cheap American Airlines flights Ontario Intl. Airport (ONT) to San Juan (SJU)

Prices were available within the past 7 days and start at $289 for one-way flights and $698 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 10 - Sun, Aug 16
ONT
Ontario
SJU
San Juan
$698 Roundtrip, found 20 hours ago
$698
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Mon, Aug 10 from Ontario to San Juan, returning Sun, Aug 16, priced at $698 found 20 hours ago
American Airlines
Mon, Aug 10 - Sun, Aug 16
ONT
Ontario
SJU
San Juan
$726 Roundtrip, found 20 hours ago
$726
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Mon, Aug 10 from Ontario to San Juan, returning Sun, Aug 16, priced at $726 found 20 hours ago
American Airlines
Mon, Aug 10 - Sun, Aug 16
ONT
Ontario
SJU
San Juan
$727 Roundtrip, found 20 hours ago
$727
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Mon, Aug 10 from Ontario to San Juan, returning Sun, Aug 16, priced at $727 found 20 hours ago

Find the cheapest month to fly from Ontario (ONT) to San Juan (SJU)

August is typically the cheapest month to fly

From $355 - $698 per traveler.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Popular airline
Delta
Distance
5337 km

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