Heidelberg

Turkish Airlines flies SVQ → FRA in both directions, with a through-ticket back to Seville. Economy Basic is hand baggage only; the four fares above it add a checked bag, lounge access or a lie-flat seat.

Emirates flies ATH → FRA in both directions, with a through-ticket back to Athens. Economy Basic is hand baggage only; the four fares above it add a checked bag, lounge access or a lie-flat seat.