The cheapest flights to Ontario

When to find the cheapest flights to Ontario

  • any
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • day of search
  • price
  • departure city
Alaska Airlinesoutbound: Jun 30, 2019
1 stop (28h55m)
Alaska Airlines
Alaska Airlinesreturn: Jul 12, 2019
1 stop (15h15m)
Alaska Airlines
American Airlinesoutbound: Jul 28, 2019
direct (3h)
American Airlines
American Airlinesreturn: Jul 28, 2019
direct (3h08m)
American Airlines
United Airlinesoutbound: Oct 30, 2019
1 stop (4h08m)
United Airlines
United Airlinesreturn: Nov 6, 2019
1 stop (4h30m)
United Airlines
Frontier Airlinesoutbound: Jun 17, 2019
1 stop (19h30m)
Frontier Airlines
Alaska Airlinesreturn: Jun 22, 2019
1 stop (16h35m)
Alaska Airlines
Southwest Airlinesoutbound: May 6, 2019
direct (1h)
Southwest Airlines
Southwest Airlinesreturn: May 13, 2019
direct (1h)
Southwest Airlines
Delta Air Linesoutbound: May 6, 2019
1 stop (14h27m)
Delta Air Lines
Delta Air Linesreturn: May 13, 2019
1 stop (14h58m)
Delta Air Lines
Frontier Airlinesoutbound: May 13, 2019
2 stops (15h49m)
Frontier Airlines
Frontier Airlinesreturn: May 16, 2019
2 stops (22h24m)
Frontier Airlines
United Airlinesoutbound: May 13, 2019
1 stop (19h09m)
United Airlines
United Airlinesreturn: May 16, 2019
1 stop (7h31m)
United Airlines
Alaska Airlinesoutbound: Sep 18, 2019
direct (2h40m)
Alaska Airlines
Alaska Airlinesreturn: Sep 21, 2019
direct (2h40m)
Alaska Airlines
JetBlueoutbound: May 12, 2019
direct (6h29m)
JetBlue
JetBluereturn: May 16, 2019
direct (5h39m)
JetBlue
  • 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
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • popularity
  • price
  • departure city
American Airlinesoutbound: Jul 28, 2019
direct (3h)
American Airlines
American Airlinesreturn: Jul 28, 2019
direct (3h08m)
American Airlines
Alaska Airlinesoutbound: Jun 30, 2019
1 stop (28h55m)
Alaska Airlines
Alaska Airlinesreturn: Jul 12, 2019
1 stop (15h15m)
Alaska Airlines
United Airlinesoutbound: Jun 17, 2019
direct (3h25m)
United Airlines
United Airlinesreturn: Jun 22, 2019
direct (3h22m)
United Airlines
Southwest Airlinesoutbound: May 6, 2019
direct (1h)
Southwest Airlines
Southwest Airlinesreturn: May 13, 2019
direct (1h)
Southwest Airlines
United Airlinesoutbound: Oct 30, 2019
1 stop (4h08m)
United Airlines
United Airlinesreturn: Nov 6, 2019
1 stop (4h30m)
United Airlines