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

Return flights

23 May - 30 May	Porter Airlines (Canada) Ltd
04 May - 23 May	Delta
11 May - 27 May	Delta
03 May - 12 May	Delta
04 May - 18 May	Delta
08 May - 31 May	Porter Airlines (Canada) Ltd
22 May - 31 May	Porter Airlines (Canada) Ltd
04 May - 03 Jun	Delta
04 May - 04 Jun	Delta
21 May - 29 May	Air Transat
23 May - 29 May	Air Transat
19 May - 29 May	Air Transat
11 May - 29 Jun	Delta
18 May - 17 Jun	Delta
18 May - 18 Jun	Delta
25 May - 25 Jun	Delta
18 May - 25 Jun	Delta
16 May - 27 Jun	Scandinavian Airlines
16 May - 30 Jun	Scandinavian Airlines
17 May - 17 Jun	Delta

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

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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Cheapest return flights from New York to Istanbul in May from 755€

Return flights