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

Return flights

04 Dec - 09 Dec	Air Canada
29 Dec - 25 Jan	Air Canada
05 Dec - 12 Dec	Japan Airlines
28 Dec - 06 Jan	Japan Airlines
09 Dec - 30 Dec	Air Canada
13 Dec - 30 Dec	Japan Airlines
23 Dec - 07 Jan	Japan Airlines
22 Dec - 07 Jan	Japan Airlines
21 Dec - 06 Jan	Japan Airlines
18 Dec - 29 Dec	Sun Country Airlines
23 Dec - 04 Jan	Frontier Airlines

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 $799

Return flights