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Philadelphia International Airport to Ontario International Airport flight

Search for flights from Philadelphia to Los Angeles and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        PHL 06:12
        9h 8m
        Direct
        ONT 12:20
        Philadelphia - Ontario | Mon, Apr 20 | United Airlines
        ONT 15:05
        5h 13m
        Direct
        PHL 23:18
        Ontario - Philadelphia | Wed, Apr 22 | American Airlines
        THB 16,190 THB 24,940
        35% off
        35% off
        THB 24,940 THB 16,190
      • PHL 06:12
        9h 2m
        Direct
        ONT 12:14
        Philadelphia - Ontario | Mon, Mar 30 | United Airlines
        ONT 15:00
        4h 59m
        Direct
        PHL 22:59
        Ontario - Philadelphia | Wed, Apr 1 | American Airlines
        THB 19,950 THB 24,940
        20% off
        20% off
        THB 24,940 THB 19,950
      • PHL 08:00
        13h 49m
        1 stop
        ONT 18:49
        Philadelphia - Ontario | Sat, Apr 18 | Frontier Airlines
        ONT 13:52
        8h 2m
        1 stop
        PHL 00:54
        Ontario - Philadelphia | Sat, Apr 25 | Frontier Airlines
        THB 5,490 THB 24,940
        78% off
        78% off
        THB 24,940 THB 5,490
      • PHL 10:40
        8h 4m
        1 stop
        ONT 15:44
        Philadelphia - Ontario | Tue, May 5 | Frontier Airlines
        ONT 06:00
        20h 37m
        1 stop
        PHL 05:37
        Ontario - Philadelphia | Tue, May 12 | Frontier Airlines
        THB 5,540
        78% off
        THB 24,940 THB 5,540
      • PHL 20:25
        30h 30m
        1 stop
        ONT 23:55
        Philadelphia - Ontario | Mon, Apr 13 | Frontier Airlines
        ONT 13:52
        8h 2m
        1 stop
        PHL 00:54
        Ontario - Philadelphia | Wed, Apr 15 | Frontier Airlines
        THB 5,580
        78% off
        THB 24,940 THB 5,580
      • PHL 06:00
        7h 44m
        1 stop
        ONT 10:44
        Philadelphia - Ontario | Tue, Apr 14 | Frontier Airlines
        ONT 14:44
        11h 50m
        1 stop
        PHL 05:34
        Ontario - Philadelphia | Thu, Apr 16 | Frontier Airlines
        THB 5,590
        78% off
        THB 24,940 THB 5,590
      • PHL 20:41
        13h 50m
        1 stop
        ONT 07:31
        Philadelphia - Ontario | Wed, Apr 15 | Frontier Airlines
        ONT 23:00
        10h 15m
        1 stop
        PHL 12:15
        Ontario - Philadelphia | Tue, Apr 21 | Frontier Airlines
        THB 5,600
        78% off
        THB 24,940 THB 5,600
      • PHL 20:41
        30h 14m
        1 stop
        ONT 23:55
        Philadelphia - Ontario | Fri, Apr 24 | Frontier Airlines
        ONT 13:52
        8h 2m
        1 stop
        PHL 00:54
        Ontario - Philadelphia | Sat, May 2 | Frontier Airlines
        THB 5,600
        78% off
        THB 24,940 THB 5,600
      • PHL 15:41
        11h 14m
        1 stop
        ONT 23:55
        Philadelphia - Ontario | Thu, Apr 23 | Frontier Airlines
        ONT 00:59
        25h 35m
        1 stop
        PHL 05:34
        Ontario - Philadelphia | Thu, Apr 30 | Frontier Airlines
        THB 5,620
        77% off
        THB 24,940 THB 5,620
      • PHL 20:35
        16h 30m
        1 stop
        ONT 10:05
        Philadelphia - Ontario | Wed, May 6 | Frontier Airlines
        ONT 09:40
        16h 57m
        1 stop
        PHL 05:37
        Ontario - Philadelphia | Wed, May 13 | Frontier Airlines
        THB 5,640
        77% off
        THB 24,940 THB 5,640
      • PHL 20:36
        30h 19m
        1 stop
        ONT 23:55
        Philadelphia - Ontario | Fri, Apr 17 | Frontier Airlines
        ONT 23:00
        10h 15m
        1 stop
        PHL 12:15
        Ontario - Philadelphia | Tue, Apr 21 | Frontier Airlines
        THB 5,740
        77% off
        THB 24,940 THB 5,740
      • PHL 08:30
        8h 10m
        1 stop
        ONT 13:40
        Philadelphia - Ontario | Tue, Apr 28 | Frontier Airlines
        ONT 07:15
        19h 19m
        1 stop
        PHL 05:34
        Ontario - Philadelphia | Wed, Apr 29 | Frontier Airlines
        THB 5,790
        77% off
        THB 24,940 THB 5,790
      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
        LAX 15:00
        6h
        Direct
        PHL 16:00
        Los Angeles - Philadelphia | Fri, Mar 27 | Normal Airline
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      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
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      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
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      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
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      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
        Search
        Search
      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
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        Search
      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
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        Search
      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
        Search
        Search
      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
        Search
        Search
      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
        Search
        Search
      • PHL 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        Philadelphia - Los Angeles | Wed, Mar 25 | Normal Airline
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        Search

Displayed flight fares from Philadelphia to Los Angeles are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Philadelphia International Airport to Ontario International Airport Flights Info

Flight distance3,786.31km
Cheapest return ticket priceTHB 5,490

FAQs for Philadelphia International Airport to Ontario International Airport Flights

  • How long does it take to fly from Philadelphia International Airport (PHL) to Ontario International Airport (ONT)?

    It takes around 9 hours 10 minutes to fly 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).
  • Tickets cost around THB 10,950 in April, 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.
  • The route from Philadelphia International Airport (PHL) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around THB 10,950 in April, the most expensive month to book this route.
    • The distance from Los Angeles International Airport to downtown is about 19km, by taxi about 30 minutes.
    • The distance from Ontario International Airport to downtown is about 59km, by taxi about 1 hour 10 minutes.
  • United Airlines is a very popular airline operating an average of 52 flights per month.

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