Flights to Ontario

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Cheap one-way flights

If you're planning to travel one-way to Ontario, find the best flight deals available here.
Delta Air Lines
DEPARTURE
JFK - ONT
Sat. Nov 7, 2026
Price per a person from
$155
Delta Air Lines
DEPARTURE
LGA - ONT
Thu. Dec 10, 2026
Price per a person from
$155
American Airlines
DEPARTURE
JFK - ONT
Thu. Jan 7, 2027
Price per a person from
$210
Delta Air Lines
DEPARTURE
JFK - ONT
Tue. Dec 8, 2026
Price per a person from
$155
Delta Air Lines
DEPARTURE
JFK - ONT
Wed. Dec 9, 2026
Price per a person from
$155
Delta Air Lines
DEPARTURE
JFK - ONT
Wed. Jan 6, 2027
Price per a person from
$155
Delta Air Lines
DEPARTURE
JFK - ONT
Tue. Nov 10, 2026
Price per a person from
$155
Delta Air Lines
DEPARTURE
JFK - ONT
Wed. Nov 11, 2026
Price per a person from
$155
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