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

Return flights

07 Dec - 14 Dec	United
08 Dec - 22 Dec	Air Canada
10 Dec - 17 Dec	Air Canada
11 Dec - 18 Dec	Air Canada
24 Dec - 30 Dec	Air Canada
13 Dec - 20 Dec	Air Canada
13 Dec - 28 Dec	Air Canada
12 Dec - 19 Dec	Air Canada
22 Dec - 28 Dec	Air Canada
24 Dec - 31 Dec	Air Canada
31 Dec - 07 Jan	Air Canada
27 Dec - 08 Jan	Air Canada
12 Dec - 09 Jan	Frontier Airlines
31 Dec - 05 Jan	Air Canada
10 Dec - 11 Jan	Air Canada
30 Dec - 06 Jan	Air Canada
25 Dec - 01 Jan	Air Canada
29 Dec - 05 Jan	Air Canada
26 Dec - 02 Jan	Air Canada
28 Dec - 04 Jan	Air Canada

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 $992

Return flights