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Philadelphia International Airport to Ontario International Airport flight
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Cheap Flights from Philadelphia International Airport to Ontario International Airport

Search for flights from Philadelphia to Los Angeles. Find affordable one-way or round-trip flights.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • PHL20:50
        12h 36m
        1 stop
        ONT06:26
        Philadelphia - Ontario|Mon, Apr 29|Frontier Airlines
        US$51US$111
        54% OFF
        54% OFF
        US$111US$51
      • PHL20:40
        12h 46m
        1 stop
        ONT06:26
        Philadelphia - Ontario|Wed, May 1|Frontier Airlines
        US$53US$111
        53% OFF
        53% OFF
        US$111US$53
      • PHL20:40
        12h 46m
        1 stop
        ONT06:26
        Philadelphia - Ontario|Tue, May 14|Frontier Airlines
        US$53US$111
        52% OFF
        52% OFF
        US$111US$53
      • PHL13:49
        13h 10m
        1 stop
        ONT23:59
        Philadelphia - Ontario|Thu, May 16|Frontier Airlines
        US$53
        US$53
      • PHL20:40
        12h 46m
        1 stop
        ONT06:26
        Philadelphia - Ontario|Tue, Apr 30|Frontier Airlines
        US$53
        US$53
      • PHL20:27
        14h 7m
        1 stop
        ONT07:34
        Philadelphia - Ontario|Fri, May 17|Frontier Airlines
        US$63
        US$63
      • PHL20:40
        12h 46m
        1 stop
        ONT06:26
        Philadelphia - Ontario|Tue, May 7|Frontier Airlines
        US$68
        US$68
      • PHL07:24
        10h 11m
        1 stop
        ONT14:35
        Philadelphia - Ontario|Sat, May 18|Frontier Airlines
        US$69
        US$69
      • PHL13:08
        26h 53m
        1 stop
        ONT13:01
        Philadelphia - Ontario|Mon, May 6|Frontier Airlines
        US$71
        US$71
      • PHL14:38
        25h 56m
        2 stops
        ONT13:34
        Philadelphia - Ontario|Tue, May 21|Frontier Airlines
        US$72
        US$72
      • PHL13:00
        3h 5m
        Direct
        ONT14:00
        Philadelphia - Los Angeles|Sun, May 5|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Philadelphia International Airport to Ontario International Airport

View airlines operating flights from Philadelphia to Los Angeles. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Frontier Airlines
From US$51
Spirit Airlines
From US$78
American Airlines
From US$100
Delta Air Lines
From US$125
United Airlines
From US$132
Alaska Airlines
From US$133
Sun Country Airlines
From US$150
Southwest Airlines
From US$221
ANA airlines
Find more flights and airlines

Find Cheaper Flights from Philadelphia to Los Angeles

Explore other flights from Philadelphia to Los Angeles. Find the best alternative flight.

  • Cheapest
    Spirit Airlines
    PHL
    15:59
    8h 52m
    1 transfer
    LAX
    21:51
    Philadelphia International Airport - Los Angeles International Airport
    Wed, May 22Spirit Airlines
    US$53
  • Frontier Airlines
    TTN
    12:23
    10h 37m
    1 transfer
    LAX
    20:00
    Trenton Mercer Airport - Los Angeles International Airport
    Sat, May 11Frontier Airlines
    US$109
  • Frontier Airlines
    TTN
    12:23
    10h 37m
    1 transfer
    LAX
    20:00
    Trenton Mercer Airport - Los Angeles International Airport
    Sat, May 11Frontier Airlines
    US$109
    Find More Flights

Philadelphia International Airport to Ontario International Airport Flights Info

Flight distance3,786.31km
Cheapest one-way ticket price$50
Cheapest return ticket price$101

FAQs for Philadelphia International Airport to Ontario International Airport Flights

  • How long is a flight from Philadelphia International Airport to Ontario International Airport?

    It takes around 8 hours 50 minutes to fly from Philadelphia International Airport (PHL) to Ontario International Airport (ONT).

  • How many daily flights are there from Philadelphia International Airport (PHL) to Ontario International Airport (ONT)?

    There are around 1 daily flights from Philadelphia International Airport (PHL) to Ontario International Airport (ONT).

  • When are flight tickets from Philadelphia International Airport (PHL) to Ontario International Airport (ONT) the cheapest?

    Tickets cost around $256 in October, making it the cheapest month to book. Philadelphia International Airport (PHL) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Philadelphia International Airport (PHL) to Ontario International Airport (ONT) most expensive?

    The route from Philadelphia International Airport (PHL) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around $256 in October, the most expensive month to book this route.

  • What time does the earliest flight from Philadelphia International Airport to Ontario International Airport depart?

    The earliest flight departs from Philadelphia International Airport (PHL) at 07:30 and arrives in Ontario International Airport (ONT) at 12:00.

  • What time does the latest flight from Philadelphia International Airport to Ontario International Airport depart?

    The latest flight departs from Philadelphia International Airport (PHL) at 17:30 and arrives in Ontario International Airport (ONT) at 23:40.

  • What is the transportation method from the main airport to downtown in Los Angeles?

    • The distance from Los Angeles International Airport to downtown is about 19km. It takes about 30 minutes by taxi.
    • The distance from Ontario International Airport to downtown is about 59km. It takes about 1 hour 10 minutes by taxi.

  • What's the closest airport to Ontario International Airport (ONT)?

    The closest airport to Ontario International Airport (ONT) is Chino Airport. The distance is around 9km.

  • Which airline operates the most direct flights from Philadelphia International Airport (PHL) to Ontario International Airport (ONT)?

    United Airlines is a very popular airline operating an average of 12 flights per month.

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