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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: Jul 29, 2016 1:21 AM

Popular flights from Chicago to Ontario Last modified: Jul 29, 2016 1:21 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
CHIONT
Wed 9/21
1 stop
ONTCHI
Wed 9/28
1 stop
$174
Select
United
CHIONT
Sat 10/22
1 stop
ONTCHI
Wed 10/26
1 stop
$174
Select
United
CHIONT
Wed 11/9
1 stop
ONTCHI
Sat 11/12
1 stop
$174
Select
American
CHIONT
Thu 8/11
1 stop
ONTCHI
Sat 8/13
1 stop
$316
Select
Alaska
CHIONT
Sat 9/24
1 stop
ONTCHI
Wed 10/5
1 stop
$334
Select
Alaska
CHIONT
Tue 10/4
1 stop
ONTCHI
Tue 10/11
1 stop
$334
Select
Alaska
CHIONT
Wed 10/5
1 stop
ONTCHI
Sat 10/8
1 stop
$334
Select
Alaska
CHIONT
Tue 10/11
1 stop
ONTCHI
Tue 10/18
1 stop
$334
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 $235.

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
$279 $249 $174 $289 $200 $174 $279

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
July Chicago Ontario United 7/31/16 8/5/16 1 $853
August Chicago Ontario American 8/11/16 8/13/16 1 $316
September Chicago Ontario United 9/21/16 9/28/16 1 $174
October Chicago Ontario United 10/22/16 10/26/16 1 $174
November Chicago Ontario United 11/9/16 11/12/16 1 $174
December Chicago Ontario United 12/6/16 12/10/16 1 $358
January Chicago Ontario United 1/10/17 1/25/17 1 $358
February Chicago Ontario United 2/6/17 2/22/17 1 $381
TIPSave $320 by flying into Los Angeles 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: 271Last modified: Jul 29, 2016 1:21 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 PHX 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 ATL / 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 PHX 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, Frontier, Spirit, United, Virgin America $101
Chicago to Las Vegas American, Alaska, Frontier, Spirit, United, Virgin America $123
Chicago to Santa Ana American, Alaska, Frontier, United $133
Chicago to San Diego American, Alaska, Frontier, Spirit, United, Virgin America $87
Chicago to Long Beach American, Alaska, United $358
Chicago to San Francisco American, Alaska, Frontier, United, Virgin America $157
Chicago to Phoenix American, Alaska, Frontier, Spirit, United $127
Chicago to Burbank American, Alaska, United $314
Chicago to New York American, Alaska, JetBlue, Spirit, United $77
Chicago to Palm Springs American, Alaska, United, Virgin America $361

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Milwaukee to Ontario American, Alaska, United $357
Indianapolis to Ontario American, United $294
Madison to Ontario American, Alaska, United $386
Grand Rapids to Ontario American, Alaska, United $320
Peoria to Ontario American, United $376
Moline to Ontario American, Alaska, United $457
Ft Wayne to Ontario American, Alaska, United $371
Lansing to Ontario American, Alaska, United $453
South Bend to OntarioCheck Dates
Appleton to Ontario Alaska, United $460
Green Bay to Ontario Alaska Check Dates
Toledo to Ontario American $560
Bloomington - Normal to Ontario American $376
Springfield to Ontario American, United Check Dates
Kalamazoo to Ontario American $466
Champaign to Ontario American $350
Dubuque to Ontario American Check Dates
Milwaukee to Los Angeles American, Alaska, Frontier, United $244
Indianapolis to Los Angeles American, Alaska, Frontier, United $244
Grand Rapids to Los Angeles American, Alaska, United $314
Cheap Flights from Chicago to Ontario, CA, United States, from $174 Round trip from CHI to ONT