AirHint found the following cheapest return flights from St. Louis (STL) to Madrid (MAD) in June 2026 (see full year).
Return flights
| 01 Jun - 08 Jun | Iberia | ||
| 06 Jun - 13 Jun | Iberia | ||
| 11 Jun - 18 Jun | Iberia | ||
| 16 Jun - 23 Jun | Iberia | ||
| 21 Jun - 28 Jun | Iberia | ||
| 26 Jun - 03 Jul | Iberia |
Also check the deals for one-way flights from St. Louis to Madrid in June.
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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.
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