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Did you mean flights from Chicago to Ontario?

Cheap Flights from Ontario to Chicago, IL, United States - ONT to CHI Last modified: Jul 27, 2016 1:37 AM

Popular flights from Ontario to Chicago Last modified: Jul 27, 2016 1:37 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

United
ONTCHI
Tue 10/25
nonstop
CHIONT
Fri 10/28
nonstop
$144
Select
American
ONTCHI
Mon 9/12
nonstop
CHIONT
Thu 9/15
nonstop
$172
Select
Alaska
ONTCHI
Mon 9/12
nonstop
CHIONT
Thu 9/15
nonstop
$302
Select
Alaska
ONTCHI
Tue 9/20
nonstop
CHIONT
Wed 9/21
nonstop
$302
Select
Alaska
ONTCHI
Tue 10/25
nonstop
CHIONT
Fri 10/28
nonstop
$302
Select

How Much Does it Cost to Fly from Ontario to Chicago (ONT to CHI)?

We have collected flight cost data from across the web for travel from Ontario to Chicago, and have found the average flight price for this trip to be $197.

When Can I Buy the Cheapest Flight from Ontario to Chicago (ONT to CHI)?

Airlines can adjust prices for plane tickets from Ontario to Chicago based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Ontario to Chicago

The chart below shows up-to-date information regarding the cheapest days to fly from Ontario to Chicago.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$172 $144 $174 $249 $187 $174 $274

Lowest Fares Chart By Month from Ontario to Chicago

The chart below shows the lowest fare by month when flying from Ontario to Chicago.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July Ontario Chicago United 7/28/16 8/2/16 2 $666
August Ontario Chicago United 8/29/16 9/7/16 1 $249
September Ontario Chicago American 9/12/16 9/15/16 0 $172
October Ontario Chicago United 10/25/16 10/28/16 0 $144
November Ontario Chicago United 11/1/16 11/5/16 1 $174
December Ontario Chicago United 12/1/16 12/6/16 1 $358
January Ontario Chicago United 1/12/17 1/17/17 1 $358
February Ontario Chicago United 2/23/17 2/28/17 1 $404
TIPSave $87 by flying into Madison instead of Chicago from Ontario

Airports for Your Route

These pages contain information about the major airports in Ontario and Chicago, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights to Chicago - CHI

FlightsAirlineLowest Price
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $87
San Diego to Chicago American, Alaska, Frontier, Spirit, United, Virgin America $85
Las Vegas to Chicago American, Alaska, Frontier, Spirit, United, Virgin America $131
Santa Ana to Chicago American, Alaska, Frontier, United $123
Burbank to Chicago American, Alaska, United $219
Palm Springs to Chicago American, Alaska, United, Virgin America $361
Long Beach to Chicago American, Alaska, JetBlue, United $172
Bakersfield to Chicago American, United $398
Santa Barbara to Chicago American, Alaska, United $398
Yuma to Chicago American, Alaska $328
San Luis Obispo to Chicago American, Alaska, United $398
Palomar to ChicagoCheck Dates
Los Angeles to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $246
Los Angeles to Atlanta American, Alaska, Frontier, Spirit, United $187
Los Angeles to Milwaukee American, Alaska, Frontier, United $244
Los Angeles to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $78
Los Angeles to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $226
Las Vegas to Milwaukee American, Alaska, Frontier, United $147
Los Angeles to Las Vegas American, Spirit, United, Virgin America $71
Las Vegas to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $244
Los Angeles to Indianapolis American, Alaska, Frontier, United $244
Los Angeles to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $127
Los Angeles to Denver American, Alaska, Frontier, Spirit, United, Virgin America $67
Los Angeles to St Louis American, Alaska, JetBlue, Frontier, United $244
Los Angeles to Madison American, Alaska, Frontier, United $264
San Diego to Milwaukee American, Alaska, Frontier, United $244
Las Vegas to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $207
San Diego to Atlanta American, Alaska, Frontier, Spirit, United $324

Cheap International Flights to Chicago - CHI

FlightsAirlineLowest Price
Tijuana to Chicago American, AeroMexico, Alaska, United, Volaris $496
Los Angeles to Toronto American, Air Canada, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America, WestJet $252
Cheap Flights from Ontario to Chicago, IL, United States, from $144 Round trip from ONT to CHI