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

Search for flights from Ontario International Airport to Chicago and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ONT00:59
        21h 57m
        1 stop
        ORD00:56
        Ontario - Chicago|Wed, May 1|Frontier Airlines
        NZD 62NZD 105
        40% OFF
        40% OFF
        NZD 105NZD 62
      • ONT00:59
        8h 10m
        1 stop
        MDW11:09
        Ontario - Chicago|Wed, May 29|Frontier Airlines
        NZD 64NZD 105
        38% OFF
        38% OFF
        NZD 105NZD 64
      • ONT00:59
        8h 39m
        1 stop
        MDW11:38
        Ontario - Chicago|Wed, May 8|Frontier Airlines
        NZD 67NZD 105
        36% OFF
        36% OFF
        NZD 105NZD 67
      • ONT00:59
        8h 39m
        1 stop
        MDW11:38
        Ontario - Chicago|Tue, May 14|Frontier Airlines
        NZD 71
        NZD 71
      • ONT00:59
        8h 39m
        1 stop
        MDW11:38
        Ontario - Chicago|Wed, May 15|Frontier Airlines
        NZD 71
        NZD 71
      • ONT00:55
        22h 1m
        1 stop
        ORD00:56
        Ontario - Chicago|Sat, May 4|Frontier Airlines
        NZD 74
        NZD 74
      • ONT22:10
        5h 40m
        1 stop
        MDW05:50
        Ontario - Chicago|Sat, May 18|Frontier Airlines
        NZD 75
        NZD 75
      • ONT00:55
        22h 1m
        1 stop
        ORD00:56
        Ontario - Chicago|Sat, May 11|Frontier Airlines
        NZD 76
        NZD 76
      • ONT00:59
        8h 10m
        1 stop
        MDW11:09
        Ontario - Chicago|Wed, May 22|Frontier Airlines
        NZD 76
        NZD 76
      • ONT00:59
        8h 39m
        1 stop
        MDW11:38
        Ontario - Chicago|Tue, May 7|Frontier Airlines
        NZD 77
        NZD 77
      • ONT13:00
        3h 5m
        Direct
        CHI14:00
        Los Angeles - Chicago|Mon, May 6|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 Chicago

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

Frontier Airlines
From NZD 62
Alaska Airlines
From NZD 163
Delta Air Lines
From NZD 171
United Airlines
From NZD 207
Southwest Airlines
From NZD 253
American Airlines
From NZD 271
Jetblue Airways
From NZD 593
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to Chicago

Cheapest round-trip ticket price

NZD 160

Cheapest nonstop flight price

NZD 62

Off-season for travel

March

Peak season for travel

October

FAQs for Ontario International Airport to Chicago Flights

  • 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.

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