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

Return flights

05 Dec - 18 Dec	Air Canada
05 Dec - 19 Dec	Air Canada
03 Dec - 08 Dec	Delta
06 Dec - 13 Dec	Delta
14 Dec - 21 Dec	Delta
17 Dec - 30 Dec	Delta
22 Dec - 09 Jan	United
05 Dec - 06 Dec	Delta
18 Dec - 31 Dec	United
18 Dec - 01 Jan	United
16 Dec - 03 Jan	ANA
18 Dec - 02 Jan	Delta
18 Dec - 03 Jan	ANA

Also check the deals for one-way flights from Philadelphia to Tokyo in December.

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 December from 976€

Return flights