AirHint found the following cheapest return flights from San Juan (SJU) to Tokyo (NRT) in October 2025 (see full year).
Return flights
| 24 Oct - 08 Nov | Frontier Airlines | ||
| 17 Oct - 24 Oct | jetBlue | ||
| 19 Oct - 26 Oct | jetBlue | ||
| 18 Oct - 25 Oct | jetBlue |
Also check the deals for one-way flights from San Juan to Tokyo in October.
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