Cheap United flights St. Louis (STL) to Cancun (CUN)

Cheap United flights St. Louis (STL) to Cancun (CUN)

Prices were available within the past 7 days and start at for one-way flights and $543 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 22 - Sun, Jan 25

STL

St. Louis

CUN

Cancun

$543 Roundtrip, found 1 day ago

$543

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jan 22 from St. Louis to Cancun, returning Sun, Jan 25, priced at $543 found 1 day ago