AirHint found the following cheapest return flights from St. Louis (STL) to Tokyo (NRT) in April 2026 (see full year).
Return flights
| 21 Apr - 28 Apr | Air Canada | ||
| 25 Apr - 09 May | Air Canada | ||
| 24 Apr - 04 May | Frontier Airlines | ||
| 11 Apr - 24 Apr | Air Canada | ||
| 01 Apr - 07 Apr | Frontier Airlines | ||
| 07 Apr - 21 Apr | Alaska Airlines |
Also check the deals for one-way flights from St. Louis to Tokyo in April.
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