AirHint found the following cheapest return flights from St. Louis (STL) to Tokyo (HND) in March 2026 (see full year).
Return flights
| 05 Mar - 15 Mar | Delta | ||
| 06 Mar - 15 Mar | Delta | ||
| 28 Mar - 06 Apr | United | ||
| 21 Mar - 29 Mar | Delta | ||
| 27 Mar - 12 Apr | Hawaiian Airlines |
Also check the deals for one-way flights from St. Louis to Tokyo in March.
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