Cheapest return flights from Stuttgart to Keflavik in July from $371

Best time to book flights for Stuttgart (STR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Stuttgart (STR) to Keflavik (KEF) in July 2025 (see full year).

Return flights

11 Jul - 18 Jul Scandinavian Airlines
28 Jul - 06 Aug SWISS
04 Jul - 18 Jul Eurowings
08 Jul - 14 Jul Scandinavian Airlines
06 Jul - 20 Jul Lufthansa
10 Jul - 17 Jul Lufthansa
11 Jul - 21 Jul Lufthansa

Also check the deals for one-way flights from Stuttgart to Keflavik in July.

Skyscanner

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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