Cheapest return flights from Philadelphia to Vienna in April from 594€

AirHint found the following cheapest return flights from Philadelphia (PHL) to Vienna (VIE) in April 2026 (see full year).

Return flights

18 Apr - 28 Apr Frontier Airlines
22 Apr - 09 May Frontier Airlines
18 Apr - 27 Apr Frontier Airlines
19 Apr - 27 Apr Austrian Airlines
27 Apr - 11 May British Airways
22 Apr - 02 May Frontier Airlines
24 Apr - 03 May Frontier Airlines
23 Apr - 03 May Spirit Airlines
24 Apr - 02 May Frontier Airlines
18 Apr - 26 Apr Air Canada
25 Apr - 02 May Frontier Airlines

Also check the deals for one-way flights from Philadelphia to Vienna in April.

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