Cheapest return IST–ATH flights, May

AirHint found the following cheapest return flights from Istanbul (IST) to Athens (ATH) in May 2026 (see full year).

Return flights

29 May - 16 Jun SKY express direct
29 May - 13 Jun SKY express direct
29 May - 19 Jun SKY express direct
29 May - 03 Jun SKY express direct
29 May - 08 Jun SKY express direct
29 May - 01 Jun SKY express direct
29 May - 07 Jun SKY express direct
28 May - 03 Jun SKY express direct
30 May - 16 Jun SKY express direct
31 May - 03 Jun Pegasus Airlines direct
28 May - 31 May SKY express
27 May - 27 May Pegasus Airlines direct
29 May - 31 May SKY express
23 May - 27 May Aegean Airlines
21 May - 24 May Aegean Airlines
23 May - 24 May Aegean Airlines
27 May - 31 May Pegasus Airlines
28 May - 28 May Aegean Airlines direct
23 May - 26 May Aegean Airlines
21 May - 22 May Aegean Airlines

Also check the deals for one-way flights from Istanbul to Athens in May.

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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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