AirHint found the following cheapest return flights from St. Louis (STL) to Tokyo (NRT) in March 2026 (see full year).

Return flights

09 Mar - 15 Mar	Hawaiian Airlines
08 Mar - 15 Mar	Alaska Airlines
07 Mar - 15 Mar	Hawaiian Airlines
07 Mar - 14 Mar	Frontier Airlines
05 Mar - 14 Mar	Hawaiian Airlines
06 Mar - 14 Mar	Frontier Airlines
11 Mar - 22 Mar	Frontier Airlines
21 Mar - 04 Apr	Cathay Pacific
21 Mar - 29 Mar	Hawaiian Airlines
30 Mar - 10 Apr	American Airlines
20 Mar - 27 Mar	Alaska Airlines

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

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 March from $939

Return flights