Flights from Ontario to Philadelphia

3 deals on this route

Philadelphia skyline with City Hall
Save 55%
$171
$364
Ontario California aerial with San Gabriel Mountains
ONTPHL
Ontario to Philadelphia
Frontier Airlines
Nonstop·round trip
Apr 22 – Apr 26
Philadelphia skyline with City Hall
Save 35%
$236
$364
Ontario California aerial with San Gabriel Mountains
ONTPHL
Ontario to Philadelphia
Frontier Airlines
Nonstop·round trip
Jun 8 – Jun 10
Philadelphia skyline with City Hall
$1019
Ontario California aerial with San Gabriel Mountains
ONTPHL
Ontario to Philadelphia
United Airlines
Nonstop·round trip
Apr 9 – Apr 15Ending Soon