Flights from Saint Louis to Mexico City from $ 543*
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1 Passenger, Economy
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Featured daily fares for flights from Saint Louis (STL) to Mexico City (MEX)
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More United deals on Saint Louis (STL) to Mexico City (MEX) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 12/31/25 - 01/14/26 | from $Â 543 Viewed: 14 hours ago |
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 01/22/26 - 01/26/26 | from $Â 550 Viewed: 14 hours ago |
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 01/07/26 - 01/21/26 | from $Â 550 Viewed: 14 hours ago |
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 01/08/26 - 01/22/26 | from $Â 550 Viewed: 14 hours ago |
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 01/13/26 - 01/27/26 | from $Â 550 Viewed: 14 hours ago |
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 01/15/26 - 01/29/26 | from $Â 550 Viewed: 14 hours ago |
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 01/19/26 - 02/02/26 | from $Â 550 Viewed: 14 hours ago |
| Saint Louis (STL) | Mexico City (MEX) | Roundtrip | Economy | 01/21/26 - 02/04/26 | from $Â 550 Viewed: 14 hours 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. Schedules are subject to change without notice.
