PHL to ONT from $354 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Philadelphia International Airport

Philadelphia, United States

Ontario International Airport

Ontario, United States

$463 USD

-24%$354 USD

Verified 13 days ago

July 2026

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Tue

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Sun

29 30 1 2 3 4 5$854 6$622 7$534 8$534 9$622 10$622 11$534 12$553 13$544 14$456 15$456 16$544 17$544 18$456 19$485 20$485 21$450 22$450 23$503 24$473 25$444 26$518 27$407 28$366 29$366 30$394 31$380 1$498 2$481

Good Availability

45% of dates checked are available within 10% of the lowest price

Thursday, July 2nd, 2026

0 round-trip options

No flight details available for this date.