Take off on cheap flights from Ontario to Chicago, your adventure starts now!

Find cheap airline tickets from Ontario to Chicago by date

  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • price
  • month of departure
  • month of return
$190
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$191
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$191
outward: Nov 29, 2018
10:30p LAX » 2:30a ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
4:45p ORD » 9:27p LAX
Spirit Airlines direct (4h42m)
$191
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$191
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
4:45p ORD » 9:27p LAX
Spirit Airlines direct (4h42m)
$192
outward: Nov 29, 2018
10:30p LAX » 2:30a ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
4:45p ORD » 9:27p LAX
Spirit Airlines direct (4h42m)
$192
outward: Nov 29, 2018
10:30p LAX » 2:30a ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
4:45p ORD » 9:27p LAX
Spirit Airlines direct (4h42m)
$192
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
4:45p ORD » 9:27p LAX
Spirit Airlines direct (4h42m)
$192
outward: Nov 29, 2018
10:30p LAX » 2:30a ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$192
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$192
outward: Nov 29, 2018
10:30p LAX » 2:30a ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$194
outward: Nov 29, 2018
10:30p LAX » 2:30a ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$195
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
10:21p ORD » 3:00a LAX
Spirit Airlines direct (4h39m)
$196
outward: Nov 29, 2018
5:50p LAX » 9:50p ORD
Spirit Airlines direct (4h)
inbound: Dec 2, 2018
4:45p ORD » 9:27p LAX
Spirit Airlines direct (4h42m)
$269
outward: Nov 16, 2018
5:43p LAX » 9:50p ORD
Spirit Airlines direct (4h07m)
inbound: Nov 19, 2018
10:19p ORD » 3:00a LAX
Spirit Airlines direct (4h41m)
$272
outward: Sep 27, 2018
3:00p ONT » 7:14a MKE
Frontier Airlines 1 stop (16h14m)
inbound: Sep 30, 2018
12:01p MKE » 5:58p ONT
Frontier Airlines 1 stop (5h57m)
$272
outward: Sep 27, 2018
3:00p ONT » 7:14a MKE
Frontier Airlines 1 stop (16h14m)
inbound: Sep 30, 2018
12:01p MKE » 5:58p ONT
Frontier Airlines 1 stop (5h57m)
$289
outward: Nov 16, 2018
5:43p LAX » 9:50p ORD
Spirit Airlines direct (4h07m)
inbound: Nov 19, 2018
10:19p ORD » 3:00a LAX
Spirit Airlines direct (4h41m)
$588
outward: Nov 21, 2018
8:30p LAX » 1:28p ORD
Spirit Airlines 1 stop (16h58m)
inbound: Nov 25, 2018
4:09p ORD » 8:51p LAX
Spirit Airlines direct (4h42m)
Return
Departure
Choose when you'd like to depart to Chicago (USA):
Find the cheapest Ontario Chicago flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Ontario - Chicago with these new dates, click on an offer. Want to depart from another city? Choose: Las Vegas - Chicago New York - Chicago London - Chicago Miami - Chicago San Francisco - Chicago See more routes

Airlines operating flights from Ontario to Chicago

  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • all
  • Alaska Airlines
  • American Airlines
  • Frontier Airlines
  • JetBlue
  • United Airlines
JetBlue
outbound: Nov 29, 2018
JetBlue 2 stops
return: Dec 2, 2018
Frontier Airlines 1 stop
Alaska Airlines
outbound: Nov 16, 2018
Alaska Airlines 1 stop
return: Nov 19, 2018
Frontier Airlines 1 stop
United Airlines
outbound: Nov 16, 2018
United Airlines 1 stop
return: Nov 19, 2018
United Airlines 1 stop
Frontier Airlines
outbound: Oct 26, 2018
Frontier Airlines 1 stop
return: Oct 29, 2018
Frontier Airlines 1 stop
American Airlines
outbound: Sep 27, 2018
American Airlines 1 stop
return: Sep 30, 2018
American Airlines 1 stop

Travel tips for flights Ontario - Chicago

Average flight duration: 11h05m (flight with stopovers)

  • Arrival city:
  • Chicago, USA
  • Airport(s):
  • Midway International Airport (MDW)
  • O'Hare International Airport (ORD)
  • Local time:
  • Sep 18, 2018 2:33 PM, GMT-5
  • Weather:
  • min. 67ºF, max. 74ºF
  • Departure city:
  • Ontario, USA
  • Airport(s):
  • Ontario International Airport (ONT)
  • Local time:
  • Sep 18, 2018 12:33 PM, GMT-7
  • Weather:
  • min. 61ºF, max. 85ºF