AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Amsterdam (AMS) in August 2025 (see full year).

One-Way flights

30 Aug	Spirit Airlines
25 Aug	Frontier Airlines
17 Aug	Spirit Airlines
22 Aug	Frontier Airlines
21 Aug	Frontier Airlines
19 Aug	Spirit Airlines
25 Aug	British Airways	direct
19 Aug	British Airways	direct
17 Aug	British Airways	direct
21 Aug	British Airways	direct

Also check the deals for return flights from Philadelphia to Amsterdam in August.

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 one-way flights from Philadelphia to Amsterdam in August from 304€

One-Way flights