Cheapest return flights from Washington to Istanbul in April from $720

Best time to book flights for Washington (IAD) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Istanbul (IST) in April 2025 (see full year).

Return flights

27 Apr - 03 May Icelandair
13 Apr - 22 Apr Etihad Airways
19 Apr - 30 Apr Scandinavian Airlines
09 Apr - 23 Apr Etihad Airways
16 Apr - 23 Apr Delta
09 Apr - 16 Apr Qatar Airways
14 Apr - 21 Apr Qatar Airways
15 Apr - 19 Apr Saudia
12 Apr - 19 Apr Saudia
09 Apr - 19 Apr Qatar Airways
11 Apr - 20 Apr Qatar Airways
27 Apr - 03 May Turkish Airlines direct

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

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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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