Cheapest return flights from Boston to Istanbul in May from 486€

Best time to book flights for Boston (BOS) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Istanbul (IST) in May 2025 (see full year).

Return flights

06 May - 13 May Fly Play
03 May - 08 May Fly Play
13 May - 20 May Fly Play
13 May - 26 Jun Fly Play
15 May - 20 May Fly Play
13 May - 25 Jun Fly Play
14 May - 25 Jun Fly Play
24 May - 29 May Fly Play
02 May - 16 May Fly Play
17 May - 24 Jun Fly Play
21 May - 26 May Fly Play
20 May - 24 Jun Fly Play
27 May - 01 Jun Fly Play
31 May - 16 Jun Fly Play
18 May - 23 May Iberia
13 May - 24 Jun Azores Airlines
03 May - 08 May Turkish Airlines direct
06 May - 13 May Turkish Airlines direct
13 May - 24 Jun Turkish Airlines direct
13 May - 25 Jun Turkish Airlines direct

Also check the deals for one-way flights from Boston 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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