Flights from Philadelphia to Rialto

Cheapest flights from Philadelphia

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jul 7 - Tue, Jul 15
PHL
Philadelphia Intl.
ONT
Los Angeles - Ontario Intl.
$286 Roundtrip, found 23 hours ago
$286
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Mon, Jul 7 from Philadelphia Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 15, priced at $286 found 23 hours ago
Frontier Airlines
Mon, Jul 7 - Tue, Jul 15
PHL
Philadelphia Intl.
ONT
Los Angeles - Ontario Intl.
$302 Roundtrip, found 3 days ago
$302
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 7 from Philadelphia Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 15, priced at $302 found 3 days ago
Delta
Tue, Jul 8 - Wed, Jul 9
ABE
Lehigh Valley Intl.
ONT
Los Angeles - Ontario Intl.
$549 Roundtrip, found 22 hours ago
$549
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Jul 8 from Lehigh Valley Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 9, priced at $549 found 22 hours ago