Cheapest return flights from Frankfurt to Istanbul in May from 105€

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

Return flights

04 May - 13 May Pegasus Airlines direct
09 May - 14 May Pegasus Airlines direct
04 May - 14 May Pegasus Airlines direct
11 May - 14 May Pegasus Airlines direct
12 May - 20 May Pegasus Airlines direct
04 May - 07 May Pegasus Airlines direct
17 May - 21 May Pegasus Airlines direct
13 May - 20 May Pegasus Airlines direct
08 May - 14 May Pegasus Airlines direct
11 May - 16 May Pegasus Airlines direct
23 May - 04 Jun Air Serbia
23 May - 06 Jun Air Serbia
25 May - 04 Jun Air Serbia
14 May - 06 Jun Pegasus Airlines direct
26 May - 06 Jun Pegasus Airlines direct
25 May - 04 Jun Lufthansa direct
23 May - 07 Jun Air Serbia
30 May - 01 Jun Pegasus Airlines direct
23 May - 04 Jun AJet direct
23 May - 06 Jun Pegasus Airlines direct

Also check the deals for one-way flights from Frankfurt to Istanbul 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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