When to find the cheapest flights to Ontario

Departure month: Sorted by:

outbound: Feb 28, 2020
1 stop (13h34m)
Frontier Airlines

return: Mar 2, 2020
1 stop (9h10m)
Frontier Airlines

outbound: Mar 6, 2020
1 stop (13h42m)
Frontier Airlines

return: Mar 9, 2020
1 stop (11h34m)
Frontier Airlines

outbound: Feb 25, 2020
direct (2h39m)
Alaska Airlines

return: Feb 29, 2020
direct (2h45m)
Alaska Airlines

outbound: Jun 4, 2020
1 stop (9h13m)
United Airlines

return: Jun 8, 2020
1 stop (17h20m)
Frontier Airlines

outbound: May 1, 2020
direct (6h16m)
JetBlue

return: May 6, 2020
direct (5h12m)
Frontier Airlines

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All flight tickets to Ontario (USA)

Departure month: Sorted by:

outbound: Jun 19, 2020
1 stop (10h25m)
Frontier Airlines

return: Jun 22, 2020
direct (3h20m)
Alaska Airlines

outbound: Mar 6, 2020
1 stop (13h42m)
Frontier Airlines

return: Mar 9, 2020
1 stop (11h34m)
Frontier Airlines

outbound: Feb 28, 2020
1 stop (13h34m)
Frontier Airlines

return: Mar 2, 2020
1 stop (9h10m)
Frontier Airlines