AirHint found the following cheapest return flights from Philadelphia (PHL) to Tokyo (NRT) in August 2025 (see full year).

Return flights

05 Aug - 28 Aug	Spirit Airlines
24 Aug - 09 Sep	Air Canada
19 Aug - 10 Sep	Spirit Airlines
27 Aug - 07 Sep	Spirit Airlines
04 Aug - 15 Aug	Air Canada
17 Aug - 23 Aug	Spirit Airlines
11 Aug - 24 Aug	Spirit Airlines
15 Aug - 22 Aug	Spirit Airlines
15 Aug - 24 Aug	Spirit Airlines

Also check the deals for one-way flights from Philadelphia to Tokyo 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 return flights from Philadelphia to Tokyo in August from 756€

Return flights