AirHint found the following cheapest return flights from St. Louis (STL) to Tokyo (NRT) in October 2025 (see full year).

Return flights

27 Oct - 10 Nov	Frontier Airlines
31 Oct - 10 Nov	Frontier Airlines
23 Oct - 30 Oct	Alaska Airlines
26 Oct - 31 Oct	Frontier Airlines
24 Oct - 31 Oct	United
25 Oct - 31 Oct	United
31 Oct - 07 Nov	Emirates
31 Oct - 05 Nov	Emirates
31 Oct - 28 Nov	Emirates
31 Oct - 22 Nov	Emirates
31 Oct - 04 Nov	Emirates
31 Oct - 29 Nov	Emirates

Also check the deals for one-way flights from St. Louis to Tokyo in October.

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 St. Louis to Tokyo in October from 637€

Return flights