$299 Cheap Alaska Airlines flights Ontario (ONT) to Philadelphia (PHL)

View $299 flight on Thu, Apr 23, 2026Opens in a new window

$299 Cheap Alaska Airlines flights Ontario (ONT) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $299 for one-way flights and $753 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Apr 23 - Sun, May 17
ONT
Ontario
PHL
Philadelphia
$753 Roundtrip, found 19 hours ago
$753
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Thu, Apr 23 from Ontario to Philadelphia, returning Sun, May 17, priced at $753 found 19 hours ago

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $225
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $225

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
3759 km
Average flight time
8 hours 15 mins

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