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

Return flights

08 Nov - 22 Nov	Icelandair
24 Nov - 01 Dec	Air Canada
05 Nov - 19 Nov	TAP
06 Nov - 15 Nov	TAP
24 Nov - 06 Dec	Icelandair
26 Nov - 30 Nov	TAP
18 Nov - 13 Dec	TAP
12 Nov - 17 Dec	Air Canada
23 Nov - 27 Nov	Air Canada
12 Nov - 18 Dec	Air Canada
08 Nov - 15 Nov	Air France
30 Nov - 12 Dec	Lufthansa
26 Nov - 20 Dec	Austrian Airlines
01 Nov - 18 Nov	TAP
26 Nov - 14 Dec	Lufthansa
21 Nov - 27 Nov	Porter Airlines (Canada) Ltd
03 Nov - 10 Nov	Lufthansa
01 Nov - 08 Nov	Icelandair
12 Nov - 18 Dec	Turkish Airlines	direct
12 Nov - 17 Dec	Turkish Airlines	direct

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

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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Cheapest return flights from Washington to Istanbul in November from $617

Return flights