Flights Ontario to Chicago

Find cheap Ontario - Chicago flights with our free flight search engine. Compare all available fares for direct flights to Chicago. Search and find the best fares and deals for Ontario to Chicago flights. Find your cheap flight to Chicago (CHI) among many online travel agencies, traditional airlines as well as low cost carriers.

Jetcost is a price comparison service for flights to Chicago airport. You can also compare hotels in Chicago and Chicago car rentals.

Recent flight searches Ontario - Chicago

Flight

Airline name

Price

Type

Trip dates

Search date

Provider

Ontario - Chicago Frontier Airlines $155 One-way 20 December 140 days ago
Compare flights from Ontario to Chicago on regular or low cost flights and find the best ONT - CHI flight prices on Jetcost.
Top airlines flying to United States
Weather forecast for Chicago
  • Sunday 4
    Min -9 °C
    Max 3 °C
  • Monday 5
    Min 1 °C
    Max 6 °C
  • Tuesday 6
    Min -5 °C
    Max 5 °C
  • Wednesday 7
    Min -8 °C
    Max -1 °C
  • Thursday 8
    Min -9 °C
    Max -4 °C
Climate in Chicago
  • Cold
     
     
     
     
    Hot
  •  
    Rain (mm)
    Days of rain
  • January
    -2 °C
    17.00
    8
  • February
    0 °C
    25.00
    7
  • March
    5 °C
    39.00
    13
  • April
    11 °C
    57.00
    12
  • May
    16 °C
    108.00
    17
  • June
    21 °C
    87.00
    12
  • July
    24 °C
    94.00
    12
  • August
    23 °C
    98.00
    13
  • September
    20 °C
    59.00
    10
  • October
    13 °C
    66.00
    13
  • November
    7 °C
    61.00
    14
  • December
    0 °C
    31.00
    9