Cheapest return flights from Philadelphia to Frankfurt in May from $906

Best time to book flights for Philadelphia (PHL) to Frankfurt (FRA) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Frankfurt (FRA) in May 2025 (see full year).

Return flights

06 May - 20 May Spirit Airlines
18 May - 26 May Spirit Airlines
22 May - 06 Jun TAP
06 May - 20 May Lufthansa direct
21 May - 28 May United
06 May - 13 May United
18 May - 26 May Lufthansa direct
11 May - 18 May United
16 May - 23 May United
03 May - 10 May United
22 May - 06 Jun Lufthansa direct
26 May - 02 Jun United
31 May - 07 Jun United

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

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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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