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Did you mean flights from Ontario to Chicago?

Cheap Flights from Chicago to Ontario, CA, United States - CHI to ONT Last modified: Aug 28, 2016 1:10 AM

Popular flights from Chicago to Ontario Last modified: Aug 28, 2016 1:10 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.

American
CHIONT
Tue 10/11
nonstop
ONTCHI
Tue 10/18
nonstop
$170
Select
United
CHIONT
Tue 10/11
nonstop
ONTCHI
Tue 10/18
nonstop
$170
Select
Alaska
CHIONT
Tue 10/11
nonstop
ONTCHI
Tue 10/18
nonstop
$302
Select

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

We have collected flight cost data from across the web for travel from Chicago to Ontario, and have found the average flight price for this trip to be $215.

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

Airlines can adjust prices for plane tickets from Chicago to Ontario 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 Chicago to Ontario

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$302 $170 $204 $194 $194 $194 $241

Lowest Fares Chart By Month from Chicago to Ontario

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
September Chicago Ontario United 9/13/16 9/20/16 1 $184
October Chicago Ontario American 10/11/16 10/18/16 0 $170
November Chicago Ontario United 11/1/16 11/8/16 0 $202
December Chicago Ontario United 12/3/16 12/7/16 1 $174
January Chicago Ontario American 1/12/17 1/22/17 0 $313
February Chicago Ontario United 2/22/17 2/26/17 1 $346
March Chicago Ontario United 3/22/17 3/28/17 1 $407
April Chicago Ontario United 4/20/17 4/24/17 1 $430
TIPSave $352 by flying into Las Vegas instead of Ontario from Chicago

Chicago to Ontario Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Chicago to Ontario?
Answer: Denver, CO

Airlines Flying from Chicago to Ontario (CHI to ONT) Number of flights searched: 265Last modified: Aug 28, 2016 1:10 AM

Below are the different airlines that fly from Chicago to Ontario with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Chicago to Ontario.

Chicago to Ontario
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Alaska SEA X X X X X X X
Delta SLC X X X X X X X
Delta CVG / SLC X X X X X X X
United SFO X X X X X X X
Southwest - X X X X X X X
Southwest SMF X X X X X X X

Airports for Your Route

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

Cheap Domestic Flights from Chicago - CHI

FlightsAirlineLowest Price
Chicago to Los Angeles American, Alaska, Delta, Frontier, Spirit, United, Virgin America $116
Chicago to Las Vegas American, Alaska, Delta, Frontier, Spirit, United, Virgin America $96
Chicago to Santa Ana American, Alaska, Delta, Frontier, United $152
Chicago to San Diego American, Alaska, Delta, Frontier, Spirit, United, Virgin America $117
Chicago to Long Beach American, Alaska, Delta $314
Chicago to San Francisco American, Alaska, Delta, Frontier, United, Virgin America $165
Chicago to Phoenix American, Alaska, Delta, Frontier, Spirit, United $107
Chicago to Burbank American, Alaska, Delta, United $307
Chicago to New York American, Alaska, JetBlue, Delta, Spirit, United $124
Chicago to Palm Springs American, Alaska, Delta, United, Virgin America $356

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Milwaukee to Ontario American, Alaska, Delta, United $345
Indianapolis to Ontario American, Alaska, Delta, United $292
Madison to Ontario American, Alaska, Delta, United $360
Grand Rapids to Ontario American, Alaska, Delta, United $324
Peoria to Ontario American, Delta, United $347
Moline to Ontario American, Alaska, Delta, United $376
Ft Wayne to Ontario American, Alaska, Delta, United $395
Lansing to Ontario American, Delta, United $400
South Bend to Ontario Delta, United $425
Appleton to Ontario Delta, United $581
Green Bay to Ontario American, Alaska, Delta, United $475
Toledo to Ontario American Check Dates
Bloomington - Normal to Ontario American, Delta $526
Springfield to Ontario American, United $384
Kalamazoo to Ontario American, Delta, United $399
Champaign to Ontario American $655
Dubuque to Ontario American $394
Milwaukee to Los Angeles American, Alaska, Delta, Frontier, United $239
Indianapolis to Los Angeles American, Alaska, Delta, Frontier, United $204
Grand Rapids to Los Angeles American, Alaska, Delta, United $322
Cheap Flights from Chicago to Ontario, CA, United States, from $170 Round trip from CHI to ONT