Cheapest return flights from Washington to Zurich in April from 521€

AirHint found the following cheapest return flights from Washington (IAD) to Zurich (ZRH) in April 2026 (see full year).

Return flights

15 Apr - 21 Apr Turkish Airlines
16 Apr - 28 Apr Turkish Airlines
27 Apr - 09 May Turkish Airlines
18 Apr - 26 Apr Turkish Airlines
06 Apr - 13 Apr Turkish Airlines
04 Apr - 06 Apr Turkish Airlines
04 Apr - 12 Apr TAP
09 Apr - 11 Apr Turkish Airlines
21 Apr - 28 Apr SWISS direct
27 Apr - 09 May SWISS direct
18 Apr - 26 Apr SWISS direct
29 Apr - 27 May British Airways
29 Apr - 18 May British Airways
15 Apr - 22 Apr SWISS direct

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

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