Cheapest return flights from Seattle to Istanbul in April from $737

Best time to book flights for Seattle (SEA) to Istanbul (SAW) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Istanbul (SAW) in April 2025 (see full year).

Return flights

26 Apr - 06 May Icelandair
25 Apr - 02 May Icelandair
25 Apr - 03 May Icelandair
22 Apr - 30 Apr Icelandair
23 Apr - 30 Apr Icelandair
24 Apr - 28 Apr Icelandair
02 Apr - 09 Apr Air Canada
02 Apr - 06 Apr Air Canada
30 Apr - 14 May Icelandair
01 Apr - 15 Apr Brussels Airlines
12 Apr - 02 May Icelandair
07 Apr - 30 Apr Icelandair
01 Apr - 13 Apr Air Canada
24 Apr - 01 May Icelandair
15 Apr - 25 Apr Icelandair
03 Apr - 07 Apr Air Canada

Also check the deals for one-way flights from Seattle 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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