Cheapest return flights from Boston to Istanbul in April from $524

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

Return flights

01 Apr - 30 Apr Delta
20 Apr - 01 May Delta
14 Apr - 28 Apr Lufthansa
21 Apr - 29 Apr Lufthansa
20 Apr - 27 Apr Lufthansa
22 Apr - 01 May Lufthansa
01 Apr - 25 Apr Scandinavian Airlines
22 Apr - 29 Apr Turkish Airlines direct
22 Apr - 01 May Turkish Airlines direct
08 Apr - 02 May Lufthansa
24 Apr - 03 May Scandinavian Airlines
21 Apr - 29 Apr Turkish Airlines direct
10 Apr - 13 Apr Air France
01 Apr - 30 Apr Turkish Airlines direct
11 Apr - 25 Apr Lufthansa
20 Apr - 01 May Turkish Airlines direct
08 Apr - 02 May Turkish Airlines direct
24 Apr - 03 May Turkish Airlines direct

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

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