The cheapest flights to Ontario

When to find the cheapest flights to Ontario

  • any
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • day of search
  • price
  • departure city
Southwest Airlinesoutbound: Jul 10, 2019
1 stop (5h10m)
Southwest Airlines
Delta Air Linesreturn: Sep 17, 2019
1 stop (5h39m)
Delta Air Lines
American Airlinesoutbound: Aug 15, 2019
direct (1h18m)
American Airlines
American Airlinesreturn: Aug 18, 2019
direct (1h19m)
American Airlines
Frontier Airlinesoutbound: Aug 12, 2019
2 stops (15h49m)
Frontier Airlines
Frontier Airlinesreturn: Aug 23, 2019
1 stop (17h39m)
Frontier Airlines
United Airlinesoutbound: Jun 22, 2019
direct (1h29m)
United Airlines
United Airlinesreturn: Jun 27, 2019
direct (1h28m)
United Airlines
American Airlinesoutbound: Aug 28, 2019
1 stop (7h27m)
American Airlines
American Airlinesreturn: Sep 1, 2019
1 stop (6h52m)
American Airlines
Alaska Airlinesoutbound: Aug 29, 2019
1 stop (19h05m)
Alaska Airlines
Spirit Airlinesreturn: Sep 2, 2019
1 stop (9h26m)
Spirit Airlines
JetBlueoutbound: Sep 13, 2019
direct (6h16m)
JetBlue
Alaska Airlinesreturn: Sep 14, 2019
direct (5h25m)
Alaska Airlines
Southwest Airlinesoutbound: Aug 15, 2019
1 stop (9h45m)
Southwest Airlines
Frontier Airlinesreturn: Aug 19, 2019
1 stop (17h39m)
Frontier Airlines
Alaska Airlinesoutbound: Jun 26, 2019
direct (2h45m)
Alaska Airlines
Alaska Airlinesreturn: Jul 3, 2019
direct (2h40m)
Alaska 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
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • popularity
  • price
  • departure city
American Airlinesoutbound: Jul 4, 2019
direct (2h58m)
American Airlines
American Airlinesreturn: Jul 8, 2019
direct (3h09m)
American Airlines
Frontier Airlinesoutbound: Aug 12, 2019
2 stops (15h49m)
Frontier Airlines
Frontier Airlinesreturn: Aug 23, 2019
1 stop (17h39m)
Frontier Airlines
Southwest Airlinesoutbound: Jul 10, 2019
1 stop (5h10m)
Southwest Airlines
Delta Air Linesreturn: Sep 17, 2019
1 stop (5h39m)
Delta Air Lines
Southwest Airlinesoutbound: Sep 28, 2019
direct (1h15m)
Southwest Airlines
Southwest Airlinesreturn: Sep 29, 2019
direct (1h15m)
Southwest Airlines
Southwest Airlinesoutbound: Aug 2, 2019
1 stop (14h58m)
Southwest Airlines
Southwest Airlinesreturn: Aug 5, 2019
1 stop (8h32m)
Southwest Airlines
United Airlinesoutbound: Jun 22, 2019
direct (1h29m)
United Airlines
United Airlinesreturn: Jun 27, 2019
direct (1h28m)
United Airlines