$230 Cheap United flights Ontario (ONT) to Cancun (CUN)

View $230 flight on Tue, Dec 23, 2025Opens in a new window

$230 Cheap United flights Ontario (ONT) to Cancun (CUN)

Prices were available within the past 7 days and start at $230 for one-way flights and $493 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Apr 27 - Thu, Apr 30
ONT
Ontario
CUN
Cancun
$493 Roundtrip, found 2 days ago
$493
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 27 from Ontario to Cancun, returning Thu, Apr 30, priced at $493 found 2 days ago
United
Mon, Apr 27 - Sat, May 2
ONT
Ontario
CUN
Cancun
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 27 from Ontario to Cancun, returning Sat, May 2, priced at $567 found 2 days 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.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Volaris
Popular airline
Frontier Airlines
Distance
3318 km