AirHint found the following cheapest return flights from St. Louis (STL) to Tokyo (NRT) in May 2026 (see full year).
Return flights
| 13 May - 03 Jun | Air Canada | ||
| 12 May - 02 Jun | Air Canada | ||
| 13 May - 02 Jun | Air Canada | ||
| 29 May - 07 Jun | Air Canada | ||
| 07 May - 18 May | ANA | ||
| 25 May - 08 Jun | Air Canada |
Also check the deals for one-way flights from St. Louis to Tokyo in May.
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