Cheapest one-way flights from Washington to Cape Town in September from $755

Best time to book flights for Washington (IAD) to Cape Town (CPT) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to Cape Town (CPT) in September 2025 (see full year).

One-Way flights

11 Sep Qatar Airways
11 Sep United direct

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

Skyscanner

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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