AirHint found the following cheapest return flights from San Francisco (SFO) to Tokyo (NRT) in September 2025 (see full year).

Return flights

30 Sep - 14 Oct	Zipair	direct
30 Sep - 08 Oct	Zipair	direct
23 Sep - 08 Oct	Zipair	direct
20 Sep - 28 Sep	Zipair	direct
23 Sep - 30 Sep	Zipair	direct
18 Sep - 24 Sep	Zipair	direct
20 Sep - 25 Sep	Zipair	direct
20 Sep - 29 Sep	Zipair	direct
23 Sep - 29 Sep	Zipair	direct
21 Sep - 28 Sep	Zipair	direct
18 Sep - 22 Sep	Zipair	direct
24 Sep - 15 Oct	Zipair	direct
24 Sep - 01 Oct	Zipair	direct
29 Sep - 13 Oct	Zipair	direct
25 Sep - 28 Sep	Zipair	direct
19 Sep - 26 Sep	Zipair	direct
19 Sep - 09 Oct	Zipair	direct
30 Sep - 28 Oct	Zipair	direct
29 Sep - 16 Oct	Zipair	direct
28 Sep - 09 Oct	Zipair	direct

Also check the deals for one-way flights from San Francisco to Tokyo in September.

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 San Francisco to Tokyo in September from $556

Return flights