The cheapest flights to Ontario

When to find the cheapest flights to Ontario

  • any
  • May 2018
  • June 2018
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • day of search
  • price
  • departure city
outbound: Jul 25, 2018
1 stop (5h27m)
Delta Air Lines
return: Jul 29, 2018
1 stop (5h36m)
Delta Air Lines
outbound: Jul 25, 2018
direct (3h)
Southwest Airlines
return: Jul 29, 2018
direct (2h55m)
Southwest Airlines
outbound: Jul 25, 2018
direct (2h53m)
American Airlines
return: Jul 29, 2018
direct (3h04m)
American Airlines
outbound: Jul 25, 2018
1 stop (5h59m)
United Airlines
return: Jul 29, 2018
1 stop (8h13m)
United Airlines
outbound: Jul 25, 2018
1 stop (10h27m)
Alaska Airlines
return: Jul 29, 2018
2 stops (15h18m)
Alaska Airlines
outbound: Nov 1, 2018
1 stop (5h47m)
Frontier Airlines
return: Nov 4, 2018
1 stop (16h16m)
Frontier Airlines
outbound: Jun 23, 2018
1 stop (14h01m)
Frontier Airlines
return: Jun 30, 2018
1 stop (18h18m)
Frontier Airlines
  • New York
  • Atlanta
  • Charlotte
  • Chicago
  • Dallas
  • Denver
  • Las Vegas
  • Los Angeles
  • Miami
  • San Francisco
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All flight tickets to Ontario (USA)

  • any
  • May 2018
  • June 2018
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • popularity
  • price
  • departure city
outbound: Jul 25, 2018
1 stop (5h27m)
Delta Air Lines
return: Jul 29, 2018
1 stop (5h36m)
Delta Air Lines
outbound: Nov 1, 2018
1 stop (5h47m)
Frontier Airlines
return: Nov 4, 2018
1 stop (16h16m)
Frontier Airlines