Cheapest return flights from Washington to Istanbul in April from 506€

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

Return flights

13 Apr - 20 Apr Scandinavian Airlines
15 Apr - 22 Apr Scandinavian Airlines
09 Apr - 16 Apr Scandinavian Airlines
12 Apr - 19 Apr Scandinavian Airlines
17 Apr - 25 Apr Scandinavian Airlines
18 Apr - 02 May Scandinavian Airlines
24 Apr - 06 May Scandinavian Airlines
12 Apr - 20 Apr Scandinavian Airlines
03 Apr - 12 Apr Scandinavian Airlines
01 Apr - 22 Apr KLM
01 Apr - 29 Apr KLM
21 Apr - 05 May KLM
26 Apr - 05 May KLM
01 Apr - 30 Apr Lufthansa
28 Apr - 19 May KLM
26 Apr - 19 May KLM
28 Apr - 19 May Turkish Airlines direct
26 Apr - 19 May Turkish Airlines direct
18 Apr - 02 May Turkish Airlines direct
24 Apr - 06 May Turkish Airlines direct

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

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