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

Return flights

01 Dec - 09 Dec	Air Canada
08 Dec - 24 Dec	Air Canada
08 Dec - 22 Dec	Air Canada
09 Dec - 24 Dec	Air Canada
04 Dec - 15 Dec	Air Canada
24 Dec - 13 Jan	Delta
13 Dec - 28 Dec	Delta
22 Dec - 29 Dec	Air Canada
01 Dec - 01 Jan	United
22 Dec - 11 Jan	Delta
22 Dec - 09 Jan	Delta
22 Dec - 10 Jan	Delta
22 Dec - 08 Jan	Air Canada
13 Dec - 01 Jan	United
21 Dec - 11 Jan	Delta
12 Dec - 01 Jan	United
16 Dec - 02 Jan	Delta
19 Dec - 26 Dec	Sun Country 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 835€

Return flights