Cheapest one-way flights from Philadelphia to Frankfurt in December from 349€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Frankfurt (FRA) in December 2025 (see full year).

One-Way flights

14 Dec Frontier Airlines
15 Dec Frontier Airlines
13 Dec Frontier Airlines
09 Dec Aer Lingus
16 Dec Aer Lingus
20 Dec Frontier Airlines
09 Dec Lufthansa direct
13 Dec United direct
23 Dec United direct
16 Dec Lufthansa direct

Also check the deals for return flights from Philadelphia to Frankfurt in December.

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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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