Cheapest return flights from Washington to Istanbul in April from $699

AirHint found the following cheapest return flights from Washington (DCA) to Istanbul (IST) in April 2026 (see full year).

Return flights

15 Apr - 22 Apr Air Canada
15 Apr - 20 Apr Air Canada
15 Apr - 18 Apr Air Canada
16 Apr - 12 May Air Canada
04 Apr - 09 Apr KLM
14 Apr - 21 Apr Lufthansa
13 Apr - 17 Apr KLM
21 Apr - 28 Apr Lufthansa
15 Apr - 21 Apr Lufthansa
05 Apr - 14 Apr British Airways
05 Apr - 17 Apr British Airways
24 Apr - 03 May Air Canada
26 Apr - 15 May Air Canada
14 Apr - 08 May British Airways
29 Apr - 15 May British Airways
20 Apr - 08 May British Airways
14 Apr - 09 May British Airways
14 Apr - 11 May British Airways
22 Apr - 09 May British Airways
15 Apr - 02 May British Airways

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

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