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

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

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • ONT14:35
        8h 38m
        1 stop
        ORD01:13
        Ontario - Chicago|Wed, May 22|Frontier Airlines
        HK$400HK$578
        31% OFF
        31% OFF
        HK$578HK$400
      • ONT00:59
        21h 19m
        1 stop
        ORD00:18
        Ontario - Chicago|Sat, May 18|Frontier Airlines
        HK$403HK$578
        30% OFF
        30% OFF
        HK$578HK$403
      • ONT20:29
        6h 31m
        1 stop
        ORD05:00
        Ontario - Chicago|Tue, May 21|Frontier Airlines
        HK$442HK$578
        23% OFF
        23% OFF
        HK$578HK$442
      • ONT00:59
        21h 41m
        1 stop
        ORD00:40
        Ontario - Chicago|Tue, Jun 11|Frontier Airlines
        HK$448
        HK$448
      • ONT17:49
        10h 51m
        1 stop
        ORD06:40
        Ontario - Chicago|Mon, Jun 3|Frontier Airlines
        HK$449
        HK$449
      • ONT14:35
        8h 38m
        1 stop
        ORD01:13
        Ontario - Chicago|Wed, May 29|Frontier Airlines
        HK$453
        HK$453
      • ONT17:41
        9h 44m
        1 stop
        ORD05:25
        Ontario - Chicago|Wed, Jun 12|Frontier Airlines
        HK$454
        HK$454
      • ONT00:59
        21h 19m
        1 stop
        ORD00:18
        Ontario - Chicago|Sat, Jun 1|Frontier Airlines
        HK$462
        HK$462
      • ONT20:29
        6h 31m
        1 stop
        ORD05:00
        Ontario - Chicago|Tue, Jun 4|Frontier Airlines
        HK$467
        HK$467
      • ONT00:59
        17h 49m
        1 stop
        ORD20:48
        Ontario - Chicago|Wed, Jun 5|Frontier Airlines
        HK$479
        HK$479
      • ONT13:00
        3h 5m
        Direct
        ORD14:00
        Los Angeles - Chicago|Wed, May 22|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 Ontario International Airport to O'Hare International Airport

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

Frontier Airlines
From HK$400
Alaska Airlines
From HK$762
Delta Air Lines
From HK$799
United Airlines
From HK$1,048
American Airlines
From HK$1,267
Southwest Airlines
From HK$1,610
Jetblue Airways
From HK$2,772
ANA airlines
Find more flights and airlines

Find Cheaper Flights from Los Angeles to Chicago

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

  • Cheapest
    Spirit Airlines
    LAX
    22:43
    5h 47m
    1 transfer
    ORD
    06:30
    Los Angeles International Airport - O'Hare International Airport
    Tue, May 21Spirit Airlines
    HK$665
  • Frontier Airlines
    LAX
    21:30
    6h 20m
    1 transfer
    MDW
    05:50
    Los Angeles International Airport - Midway International Airport
    Tue, May 21Frontier Airlines
    HK$1,459
  • Spirit Airlines
    LAX
    06:35
    12h 13m
    1 transfer
    RFD
    20:48
    Los Angeles International Airport - Chicago Rockford International Airport
    Thu, May 23Spirit Airlines
    HK$1,755
  • Spirit Airlines
    LAX
    06:35
    12h 13m
    1 transfer
    RFD
    20:48
    Los Angeles International Airport - Chicago Rockford International Airport
    Thu, May 23Spirit Airlines
    HK$1,755
    Find More Flights

Ontario International Airport to O'Hare International Airport Flights Info

Flight distance2,732.85km
Cheapest one-way ticket priceHK$400
Cheapest return ticket priceHK$686

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

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

    It takes around 5 hours 15 minutes to fly from Ontario International Airport (ONT) to O'Hare International Airport (ORD).

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

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

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

    Tickets cost around HK$2,347 in June, making it the cheapest month to book. Ontario International Airport (ONT) to O'Hare International Airport (ORD) is a popular route, so don't forget to book your tickets in advance.

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

    The route from Ontario International Airport (ONT) to O'Hare International Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around HK$2,347 in June, the most expensive month to book this route.

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

    The earliest flight departs from Ontario International Airport (ONT) at 05:58 and arrives in O'Hare International Airport (ORD) at 20:10.

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

    • The distance from O'Hare International Airport to downtown is about 25km. It takes about 40 minutes by taxi.
    • The distance from Midway International Airport to downtown is about 14km. It takes about 30 minutes by taxi.

  • What's the closest airport to O'Hare International Airport (ORD)?

    The closest airport to O'Hare International Airport (ORD) is Midway International Airport. The distance is around 25km.

  • Which airline operates the most direct flights from Ontario International Airport (ONT) to O'Hare International Airport (ORD)?

    Southwest Airlines is a very popular airline operating an average of 38 flights per month.

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