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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: Aug 28, 2016 2:09 AM

Popular flights from Ontario to Chicago Last modified: Aug 28, 2016 2:09 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 11/8
1 stop
CHIONT
Tue 11/15
1 stop
$174
Select
United
ONTCHI
Wed 11/9
1 stop
CHIONT
Wed 11/16
1 stop
$174
Select
American
ONTCHI
Tue 10/11
nonstop
CHIONT
Tue 10/18
nonstop
$177
Select
Alaska
ONTCHI
Sat 10/15
1 stop
CHIONT
Wed 10/26
1 stop
$334
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 $235.

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
$231 $174 $174 $279 $204 $194 $385

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
August Ontario Chicago Alaska 8/31/16 9/4/16 2 $554
September Ontario Chicago United 9/10/16 9/13/16 1 $194
October Ontario Chicago American 10/11/16 10/18/16 0 $177
November Ontario Chicago United 11/8/16 11/15/16 1 $174
December Ontario Chicago United 12/3/16 12/5/16 1 $182
March Ontario Chicago United 3/5/17 3/7/17 1 $370
April Ontario Chicago American 4/13/17 4/16/17 0 $313
May Ontario Chicago Alaska 5/31/17 6/7/17 0 $337

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Ontario to Chicago

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Ontario to Chicago.

Next 30 Days

SunMonTueWedThuFriSat
28 29 30 31 1 2 3
$422
4 5 6 7 8 9 10
$422

Ontario to Chicago Flight Questions

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

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

Airlines Flying from Ontario to Chicago (ONT to CHI) Number of flights searched: 296Last modified: Aug 28, 2016 2:09 AM

Below are the different airlines that fly from Ontario to Chicago 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 Ontario to Chicago.

Ontario to Chicago
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 SLC / MSP X X X X X X X
United DEN X X X X X X X
Southwest - X X X X X X X
Southwest LAS X X X X X X X

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, Delta, Frontier, Spirit, United, Virgin America $117
San Diego to Chicago American, Alaska, Delta, Frontier, Spirit, United, Virgin America $117
Las Vegas to Chicago American, Alaska, Delta, Frontier, Spirit, United, Virgin America $97
Santa Ana to Chicago American, Alaska, Delta, Frontier, United $157
Burbank to Chicago American, Alaska, Delta, United $177
Palm Springs to Chicago American, Alaska, Delta, United, Virgin America $359
Long Beach to Chicago American, Alaska, JetBlue, Delta $314
Bakersfield to Chicago American, United $354
Santa Barbara to Chicago American, Alaska, United $354
Yuma to Chicago American, Alaska $328
San Luis Obispo to Chicago American, Alaska, United $354
Palomar to ChicagoCheck Dates
Los Angeles to New York American, Alaska, JetBlue, Delta, Frontier, Spirit, Sun Country, United, Virgin America $262
Los Angeles to Atlanta American, Alaska, Delta, Frontier, Spirit, United $170
Los Angeles to Milwaukee American, Alaska, Delta, Frontier, United $239
Los Angeles to Dallas - Ft Worth American, Alaska, Delta, Frontier, Spirit, United, Virgin America $116
Los Angeles to Detroit American, Alaska, JetBlue, Delta, Frontier, Spirit, United $225
Las Vegas to Milwaukee American, Alaska, Delta, Frontier, United $107
Los Angeles to Las Vegas American, Delta, Spirit, United, Virgin America $77
Las Vegas to New York American, Alaska, JetBlue, Delta, Frontier, Spirit, Sun Country, United, Virgin America $253
Los Angeles to Indianapolis American, Alaska, Delta, Frontier, United $204
Los Angeles to Minneapolis - St Paul American, Alaska, Delta, Frontier, Spirit, Sun Country, United $135
Los Angeles to Denver American, Alaska, Delta, Frontier, Spirit, United, Virgin America $87
Los Angeles to St Louis American, Alaska, Delta, Frontier, United $219
Los Angeles to Madison American, Alaska, Delta, Frontier, United $290
San Diego to Milwaukee American, Alaska, Delta, Frontier, United $259
Las Vegas to Detroit American, Alaska, JetBlue, Delta, Frontier, Spirit, United $207
San Diego to Atlanta American, Alaska, Delta, Frontier, Spirit, United $292

Cheap International Flights to Chicago - CHI

FlightsAirlineLowest Price
Tijuana to Chicago AeroMexico, Copa, Volaris $367
Los Angeles to Toronto American, Air Canada, AeroMexico, Alaska, Avianca, Copa, Delta, United, WestJet $327
Cheap Flights from Ontario to Chicago, IL, United States, from $174 Round trip from ONT to CHI