The cheapest flights to Ontario

When to find the cheapest flights to Ontario

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • day of search
  • price
  • departure city
outbound: Sep 12, 2018
direct (1h09m)
American Airlines
return: Sep 15, 2018
direct (1h15m)
American Airlines
outbound: Sep 12, 2018
1 stop (4h07m)
United Airlines
return: Sep 15, 2018
1 stop (5h42m)
United Airlines
outbound: Aug 17, 2018
direct (1h05m)
Southwest Airlines
return: Aug 20, 2018
direct (1h10m)
Southwest Airlines
outbound: Nov 9, 2018
1 stop (22h39m)
Frontier Airlines
return: Nov 13, 2018
1 stop (18h10m)
Frontier Airlines
outbound: Jul 25, 2018
1 stop (8h41m)
American Airlines
return: Jul 30, 2018
1 stop (7h05m)
American Airlines
outbound: Jul 25, 2018
1 stop (27h37m)
Alaska Airlines
return: Jul 30, 2018
1 stop (31h40m)
Alaska Airlines
outbound: Sep 5, 2018
direct (6h24m)
JetBlue
return: Sep 9, 2018
direct (5h19m)
JetBlue
outbound: Sep 5, 2018
1 stop (13h08m)
Frontier Airlines
return: Sep 9, 2018
1 stop (8h)
Frontier Airlines
outbound: Aug 25, 2018
1 stop (9h34m)
United Airlines
return: Sep 3, 2018
direct (4h58m)
United Airlines
  • New York
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  • Charlotte
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  • Los Angeles
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  • San Francisco
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All flight tickets to Ontario (USA)

  • any
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • popularity
  • price
  • departure city
outbound: Aug 23, 2018
1 stop (5h40m)
Southwest Airlines
return: Aug 26, 2018
direct (3h03m)
Spirit Airlines
outbound: Nov 9, 2018
1 stop (22h39m)
Frontier Airlines
return: Nov 13, 2018
1 stop (18h10m)
Frontier Airlines
outbound: Jul 31, 2018
1 stop (5h50m)
Frontier Airlines
return: Aug 9, 2018
1 stop (15h55m)
Frontier Airlines
outbound: Sep 12, 2018
direct (1h09m)
American Airlines
return: Sep 15, 2018
direct (1h15m)
American Airlines