AirHint found the following cheapest one-way flights from St. Louis (STL) to Madrid (MAD) in August 2024 (see full year).
14 Aug | Southern Airways Express | ||
15 Aug | Frontier Airlines | ||
16 Aug | Southern Airways Express |
Also check the deals for return flights from St. Louis to Madrid in August.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.