Cheapest return IST–KEF flights, August

AirHint found the following cheapest return flights from Istanbul (IST) to Keflavik (KEF) in August 2026 (see full year).

Return flights

27 Aug - 31 Aug Pegasus Airlines
27 Aug - 30 Aug Pegasus Airlines
01 Aug - 08 Aug Pegasus Airlines
10 Aug - 17 Aug airBaltic
25 Aug - 31 Aug Pegasus Airlines
12 Aug - 15 Aug airBaltic
01 Aug - 07 Aug Pegasus Airlines
05 Aug - 18 Aug Pegasus Airlines
07 Aug - 18 Aug Pegasus Airlines
03 Aug - 10 Aug airBaltic

Also check the deals for one-way flights from Istanbul to Keflavik in August.

Powered by

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.