Cheapest one-way flights from Washington to Cape Town in September from $664

AirHint found the following cheapest one-way flights from Washington (IAD) to Cape Town (CPT) in September 2026 (see full year).

One-Way flights

17 Sep Etihad Airways
21 Sep Etihad Airways
20 Sep Ethiopian Airlines
17 Sep United direct
21 Sep United direct

Also check the deals for return flights from Washington to Cape Town in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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