AirHint found the following cheapest return flights from St. Louis (STL) to Tokyo (NRT) in September 2025 (see full year).
Return flights
| 02 Sep - 12 Sep | American Airlines | ||
| 28 Sep - 06 Oct | Alaska Airlines | ||
| 20 Sep - 05 Oct | Alaska Airlines | ||
| 23 Sep - 30 Sep | Alaska Airlines | ||
| 14 Sep - 21 Sep | American Airlines | ||
| 04 Sep - 09 Oct | Alaska Airlines |
Also check the deals for one-way flights from St. Louis 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.
Find us on social media