United flights from Saint Louis to Mexico from $ 385*

Find United's best fares from Saint Louis (STL) to Mexico

$
Select travel class

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Business class flights from Saint Louis (STL) to Mexico

$

Saint Louis (STL)to

Cancun (CUN)
01/20/25 - 01/24/25

Roundtrip

|

Business

from
$ 833*
Viewed: 25 minutes ago

Saint Louis (STL)to

Mexico City (MEX)
01/30/25 - 02/02/25

Roundtrip

|

Business

from
$ 896*
Viewed: 1 day ago

Saint Louis (STL)to

Cabo San Lucas (SJD)
12/17/24 - 12/21/24

Roundtrip

|

Business

from
$ 1,072*
Viewed: 1 day ago

Saint Louis (STL)to

Puerto Vallarta (PVR)
02/09/25 - 02/13/25

Roundtrip

|

Business

from
$ 907*
Viewed: 1 day ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.