Cheapest return flights from Boston to Istanbul in May from 463€

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

Return flights

05 May - 19 May Austrian Airlines
01 May - 16 May Lufthansa
16 May - 21 May Scandinavian Airlines
15 May - 19 May Scandinavian Airlines
14 May - 28 May Icelandair
02 May - 16 May KLM
07 May - 08 Jun KLM
15 May - 24 May Iberia
14 May - 24 May Scandinavian Airlines
07 May - 08 Jun Turkish Airlines direct
14 May - 28 May Turkish Airlines direct
05 May - 19 May Turkish Airlines direct

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

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