Cheapest return LGA–IST flights, September

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

Return flights

08 Sep - 30 Sep United
09 Sep - 26 Sep Delta
08 Sep - 14 Oct United
11 Sep - 25 Sep Delta
09 Sep - 17 Sep United
12 Sep - 25 Sep Delta
25 Sep - 05 Oct Air Canada
14 Sep - 24 Sep United
11 Sep - 23 Sep Porter Airlines (Canada) Ltd
08 Sep - 20 Sep Porter Airlines (Canada) Ltd
13 Sep - 27 Sep Air Canada
15 Sep - 01 Oct United
01 Sep - 16 Sep Air Transat
16 Sep - 29 Oct Porter Airlines (Canada) Ltd
18 Sep - 02 Oct Porter Airlines (Canada) Ltd
30 Sep - 11 Oct Delta

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

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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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