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

Return flights

26 Nov - 12 Dec	KLM
26 Nov - 11 Dec	KLM
19 Nov - 22 Nov	Air Canada
28 Nov - 07 Dec	jetBlue
23 Nov - 02 Dec	jetBlue
16 Nov - 25 Nov	jetBlue
18 Nov - 26 Nov	jetBlue
18 Nov - 30 Nov	jetBlue
13 Nov - 20 Nov	LOT
17 Nov - 26 Nov	KLM
18 Nov - 13 Dec	KLM
17 Nov - 20 Nov	KLM
18 Nov - 21 Nov	LOT
29 Nov - 10 Dec	KLM
23 Nov - 30 Nov	jetBlue
18 Nov - 03 Dec	British Airways
26 Nov - 02 Dec	British Airways
25 Nov - 02 Dec	British Airways
19 Nov - 13 Dec	British Airways
13 Nov - 27 Nov	jetBlue

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 633€

Return flights