Cheapest return flights from Washington to Istanbul in April from 548€
AirHint found the following cheapest return flights from Washington (IAD) to Istanbul (IST)
in April 2026 (see full year ).
Return flights
15 Apr
- 22 Apr
Scandinavian Airlines
548 €
13 Apr
- 20 Apr
Scandinavian Airlines
557 €
09 Apr
- 16 Apr
Scandinavian Airlines
576 €
22 Apr
- 06 May
Scandinavian Airlines
576 €
19 Apr
- 03 May
Scandinavian Airlines
582 €
01 Apr
- 08 Apr
Scandinavian Airlines
584 €
01 Apr
- 25 Apr
Scandinavian Airlines
590 €
10 Apr
- 17 Apr
Scandinavian Airlines
592 €
23 Apr
- 07 May
Lufthansa
670 €
24 Apr
- 05 May
United
670 €
09 Apr
- 16 Apr
Turkish Airlines
672 €
direct
26 Apr
- 15 May
Delta
676 €
01 Apr
- 08 Apr
Turkish Airlines
706 €
direct
10 Apr
- 17 Apr
Turkish Airlines
728 €
direct
12 Apr
- 19 Apr
Turkish Airlines
761 €
direct
19 Apr
- 03 May
Turkish Airlines
897 €
direct
22 Apr
- 06 May
Turkish Airlines
952 €
direct
24 Apr
- 05 May
Turkish Airlines
987 €
direct
Also check the deals for one-way flights from Washington to Istanbul in April .
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