Flights from Madrid to Saint Louis from 675€ *
expand_more
1 Passenger, Economy
expand_morePromotion Code
expand_moreexpand_more
today
today
Featured daily fares for flights from Madrid (MAD) to Saint Louis (STL)
expand_more
location_on
location_on
More United deals on Madrid (MAD) to Saint Louis (STL) flights
flight_takeoff
flight_land
€
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 04/03/2026 - 18/03/2026 | from 675€ Viewed: 4 hours ago |
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 22/01/2026 - 26/01/2026 | from 677€ Viewed: 4 hours ago |
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 15/01/2026 - 22/01/2026 | from 677€ Viewed: 4 hours ago |
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 21/01/2026 - 28/01/2026 | from 677€ Viewed: 4 hours ago |
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 22/01/2026 - 29/01/2026 | from 677€ Viewed: 4 hours ago |
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 28/01/2026 - 04/02/2026 | from 677€ Viewed: 4 hours ago |
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 22/01/2026 - 05/02/2026 | from 677€ Viewed: 4 hours ago |
| Madrid (MAD) | Saint Louis (STL) | Roundtrip | Economy | 28/01/2026 - 11/02/2026 | from 677€ Viewed: 4 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.