AirHint found the following cheapest return flights from Washington (IAD) to Cape Town (CPT) in September 2026 (see full year).
Return flights
| 03 Sep - 15 Sep | Turkish Airlines | ||
| 15 Sep - 22 Sep | Ethiopian Airlines | ||
| 20 Sep - 27 Sep | Turkish Airlines | ||
| 03 Sep - 15 Sep | United | direct |
Also check the deals for one-way flights from Washington to Cape Town in September.
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