AirHint found the following cheapest return flights from Washington (IAD) to Tokyo (HND) in September 2026 (see full year).
Return flights
| 12 Sep - 22 Sep | Korean Air | ||
| 14 Sep - 21 Sep | Turkish Airlines | ||
| 03 Sep - 20 Sep | Turkish Airlines | ||
| 03 Sep - 20 Sep | ANA | direct | |
| 18 Sep - 28 Sep | Air China |
Also check the deals for one-way flights from Washington to Tokyo in September.
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