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O'Hare International Airport to Ontario International Airport flight
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Cheap Flight Deals from O'Hare International Airport to Ontario International Airport

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

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Tue, May 7|Frontier Airlines
        £34£67
        49% OFF
        49% OFF
        £67£34
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Wed, May 8|Frontier Airlines
        £35£67
        48% OFF
        48% OFF
        £67£35
      • ORD18:27
        13h 59m
        1 stop
        ONT06:26
        Chicago - Ontario|Tue, May 14|Frontier Airlines
        £37£67
        45% OFF
        45% OFF
        £67£37
      • ORD18:27
        7h 32m
        1 stop
        ONT23:59
        Chicago - Ontario|Wed, May 15|Frontier Airlines
        £40
        £40
      • ORD17:56
        8h 3m
        1 stop
        ONT23:59
        Chicago - Ontario|Sat, May 18|Frontier Airlines
        £42
        £42
      • ORD12:29
        6h 30m
        1 stop
        ONT16:59
        Chicago - Ontario|Sat, May 11|Frontier Airlines
        £43
        £43
      • ORD18:27
        13h 59m
        1 stop
        ONT06:26
        Chicago - Ontario|Mon, May 6|Frontier Airlines
        £44
        £44
      • ORD07:03
        7h 58m
        1 stop
        ONT13:01
        Chicago - Ontario|Tue, May 7|Spirit Airlines
        £44
        £44
      • ORD07:00
        8h 21m
        1 stop
        ONT13:21
        Chicago - Ontario|Wed, May 8|Spirit Airlines
        £44
        £44
      • ORD18:45
        7h 14m
        1 stop
        ONT23:59
        Chicago - Ontario|Wed, May 29|Frontier Airlines
        £47
        £47
      • ORD13:00
        3h 5m
        Direct
        ONT14:00
        Chicago - Los Angeles|Mon, May 13|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

See which airlines fly from Chicago to Los Angeles. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From £34
Spirit Airlines
From £44
American Airlines
From £70
Alaska Airlines
From £78
Delta Air Lines
From £84
Sun Country Airlines
From £88
United Airlines
From £89
Southwest Airlines
From £107
Jetblue Airways
From £305
ANA airlines
Find more flights and airlines

Find Cheaper Flights from Chicago to Los Angeles

Explore other flights from Chicago to Los Angeles to find the best alternative options.

  • Cheapest
    Allegiant Air
    RFD
    21:54
    12h 46m
    1 transfer
    LAX
    08:40
    Chicago Rockford International Airport - Los Angeles International Airport
    Mon, May 6Allegiant Air
    £103
  • Frontier Airlines
    MDW
    10:12
    15h 29m
    1 transfer
    LAX
    23:41
    Midway International Airport - Los Angeles International Airport
    Wed, May 8Frontier Airlines
    £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
    £214
  • Spirit Airlines
    ORD
    10:38
    14h 31m
    1 transfer
    LAX
    23:09
    O'Hare International Airport - Los Angeles International Airport
    Tue, May 7Spirit Airlines
    £214
    Find More Flights

O'Hare International Airport to Ontario International Airport Flights Info

Flight distance2,732.85km
Cheapest one-way ticket price£34
Cheapest return ticket price£75

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

  • How long does it take to fly from O'Hare International Airport (ORD) to Ontario International Airport (ONT)?

    It takes around 5 hours 43 minutes to fly from O'Hare International Airport (ORD) to O'Hare 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 £170 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 £235 in July, the most expensive month to book this route.

  • 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, by taxi about 30 minutes.
    • The distance from Ontario International Airport to downtown is about 59km, by taxi about 1 hour 10 minutes.

  • 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 137 flights per month.

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