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O'Hare International Airport to Ontario International Airport flight
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Cheap Flights from O'Hare International Airport to Ontario International Airport

Search for flights from Chicago 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
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Tue, May 7|Frontier Airlines
        US$43US$69
        38% OFF
        38% OFF
        US$69US$43
      • ORD17:56
        8h 3m
        1 stop
        ONT23:59
        Chicago - Ontario|Sat, May 18|Frontier Airlines
        US$43US$69
        37% OFF
        37% OFF
        US$69US$43
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Wed, May 8|Frontier Airlines
        US$44US$69
        36% OFF
        36% OFF
        US$69US$44
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Wed, May 1|Frontier Airlines
        US$44
        US$44
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Sat, May 4|Frontier Airlines
        US$44
        US$44
      • ORD18:27
        13h 59m
        1 stop
        ONT06:26
        Chicago - Ontario|Tue, May 14|Frontier Airlines
        US$46
        US$46
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Wed, May 15|Frontier Airlines
        US$51
        US$51
      • ORD12:29
        6h 30m
        1 stop
        ONT16:59
        Chicago - Ontario|Sat, May 11|Frontier Airlines
        US$54
        US$54
      • ORD18:27
        13h 59m
        1 stop
        ONT06:26
        Chicago - Ontario|Mon, May 6|Frontier Airlines
        US$55
        US$55
      • ORD07:03
        7h 58m
        1 stop
        ONT13:01
        Chicago - Ontario|Tue, May 7|Spirit Airlines
        US$55
        US$55
      • ORD13:00
        3h 5m
        Direct
        ONT14:00
        Chicago - Los Angeles|Wed, May 8|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 O'Hare International Airport to Ontario International Airport

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

Frontier Airlines
From US$43
Spirit Airlines
From US$55
American Airlines
From US$87
Alaska Airlines
From US$100
Sun Country Airlines
From US$104
Delta Air Lines
From US$105
United Airlines
From US$111
Southwest Airlines
From US$128
Jetblue Airways
From US$374
ANA airlines
Find more flights and airlines

Find Cheaper Flights from Chicago to Los Angeles

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

  • Cheapest
    Frontier Airlines
    MDW
    05:30
    17h 3m
    1 transfer
    LAX
    20:33
    Midway International Airport - Los Angeles International Airport
    Tue, May 7Frontier Airlines
    US$65
  • Allegiant Air
    RFD
    21:54
    12h 46m
    1 transfer
    LAX
    08:40
    Chicago Rockford International Airport - Los Angeles International Airport
    Fri, May 3Allegiant Air
    US$113
  • Spirit Airlines
    ORD
    10:38
    14h 31m
    1 transfer
    LAX
    23:09
    O'Hare International Airport - Los Angeles International Airport
    Tue, May 7Spirit Airlines
    US$149
  • Spirit Airlines
    ORD
    10:38
    14h 31m
    1 transfer
    LAX
    23:09
    O'Hare International Airport - Los Angeles International Airport
    Tue, May 7Spirit Airlines
    US$149
    Find More Flights

O'Hare International Airport to Ontario International Airport Flights Info

Flight distance2,732.85km
Cheapest one-way ticket price$42
Cheapest return ticket price$76

FAQs for O'Hare International Airport to Ontario International Airport Flights

  • How long is a flight from O'Hare International Airport to Ontario International Airport?

    It takes around 5 hours 45 minutes to fly from O'Hare International Airport (ORD) to Ontario International Airport (ONT).

  • How many daily flights are there from O'Hare International Airport (ORD) to Ontario International Airport (ONT)?

    There are around 1 daily flights from O'Hare International Airport (ORD) to Ontario International Airport (ONT).

  • When are flight tickets from O'Hare International Airport (ORD) to Ontario International Airport (ONT) the cheapest?

    Tickets cost around $268 in May, making it the cheapest month to book. O'Hare International Airport (ORD) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from O'Hare International Airport (ORD) to Ontario International Airport (ONT) most expensive?

    The route from O'Hare International Airport (ORD) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around $268 in May, the most expensive month to book this route.

  • What time does the earliest flight from O'Hare International Airport to Ontario International Airport depart?

    The earliest flight departs from O'Hare International Airport (ORD) at 08:45 and arrives in Ontario International Airport (ONT) at 12:33.

  • What time does the latest flight from O'Hare International Airport to Ontario International Airport depart?

    The latest flight departs from O'Hare International Airport (ORD) at 19:30 and arrives in Ontario International Airport (ONT) at 23:10.

  • 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 O'Hare International Airport (ORD) to Ontario International Airport (ONT)?

    Southwest Airlines is a very popular airline operating an average of 189 flights per month.

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