Cheapest return flights from St. Louis to Madrid in April from 378€

AirHint found the following cheapest return flights from St. Louis (STL) to Madrid (MAD) in April 2026 (see full year).

Return flights

14 Apr - 21 Apr Iberia
12 Apr - 19 Apr Iberia
15 Apr - 22 Apr Iberia
28 Apr - 05 May Iberia
09 Apr - 16 Apr Iberia
18 Apr - 25 Apr Iberia
06 Apr - 13 Apr Iberia
23 Apr - 30 Apr Iberia
03 Apr - 10 Apr Iberia

Also check the deals for one-way flights from St. Louis to Madrid in April.

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