$315 Cheap Frontier Airlines flights Ontario (ONT) to Cancun (CUN)

View $315 flight on Tue, Dec 23, 2025Opens in a new window

$315 Cheap Frontier Airlines flights Ontario (ONT) to Cancun (CUN)

Prices were available within the past 7 days and start at $315 for one-way flights and $583 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Dec 23 - Tue, Dec 30
ONT
Ontario
CUN
Cancun
$583 Roundtrip, found 1 day ago
$583
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Dec 23 from Ontario to Cancun, returning Tue, Dec 30, priced at $583 found 1 day ago
Frontier Airlines
Tue, Dec 23 - Tue, Dec 30
ONT
Ontario
CUN
Cancun
$920 Roundtrip, found 1 day ago
$920
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Dec 23 from Ontario to Cancun, returning Tue, Dec 30, priced at $920 found 1 day ago

Find the cheapest month to fly from Ontario (ONT) to Cancun (CUN)

March is typically the cheapest month to fly

From $326 - $495 per traveler.
Flights from Ontario (ONT) to Cancun (CUN)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cancun Intl.
Distance
3318 km