Cheapest return flights from Washington to Istanbul in May from $626

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

Return flights

04 May - 10 May Icelandair
11 May - 18 May Icelandair
11 May - 29 May Icelandair
23 May - 06 Jun Icelandair
11 May - 20 May Icelandair
14 May - 19 May SWISS
17 May - 01 Jun Icelandair
07 May - 19 May Scandinavian Airlines
18 May - 30 May Icelandair
03 May - 24 May KLM
17 May - 26 May Icelandair
18 May - 24 May Icelandair
28 May - 11 Jun KLM
16 May - 11 Jun Qatar Airways
31 May - 14 Jun Emirates
22 May - 03 Jun KLM

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

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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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