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

Return flights

14 Apr - 22 Apr	Air Canada
14 Apr - 21 Apr	Air Canada
21 Apr - 28 Apr	Air Canada
14 Apr - 28 Apr	Aer Lingus
14 Apr - 23 Apr	Air Canada
29 Apr - 13 May	Iberia
14 Apr - 12 May	Aer Lingus
21 Apr - 12 May	Aer Lingus
22 Apr - 29 Apr	Air Canada
21 Apr - 05 May	Aer Lingus
14 Apr - 01 May	Aer Lingus
21 Apr - 15 May	Aer Lingus
28 Apr - 12 May	Aer Lingus
22 Apr - 06 May	Air Canada
14 Apr - 10 May	Aer Lingus
14 Apr - 24 Apr	Aer Lingus
14 Apr - 11 May	Aer Lingus
17 Apr - 27 Apr	Air Canada
20 Apr - 27 Apr	Aer Lingus
02 Apr - 10 Apr	Air Canada

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

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 Philadelphia to Frankfurt in April from $524

Return flights