American Airlines flights from Saint Louis to Mexico
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1 Adult, Economy class
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today
today
Popular flights with American Airlines
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*Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.
Find more Saint Louis to Mexico deals
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Saint Louis (STL)to
Cancun (CUN)
09/16/25 - 09/23/25
Round trip
Economy
from
$429Fare subject to changes
Updated: 12 minutes ago
Saint Louis (STL)to
Cabo San Lucas (SJD)
07/08/25 - 07/15/25
Round trip
Economy
from
$306Fare subject to changes
Updated: 8 hours ago
Saint Louis (STL)to
Puerto Vallarta (PVR)
07/08/25 - 07/15/25
Round trip
Economy
from
$340Fare subject to changes
Updated: 7 hours ago
Saint Louis (STL)to
Mexico City (MEX)
09/04/25 - 09/11/25
Round trip
Economy
from
$540Fare subject to changes
Updated: 7 hours ago
Saint Louis (STL)to
Mazatlan (MZT)
08/05/25 - 08/12/25
Round trip
Economy
from
$352Fare subject to changes
Updated: 3 hours ago
Saint Louis (STL)to
Queretaro (QRO)
07/19/25 - 07/25/25
Round trip
Economy
from
$548Fare subject to changes
Updated: 1 hour ago
*Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.