Cheap flights from Washington Dulles to Cape Town

Compare Washington Dulles to Cape Town flight deals

Find the cheapest month or even day of the year to fly to Cape Town

Book the best Cape Town fare with no extra fees

Flight deals from Washington Dulles to Cape Town

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Cape Town? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Cape Town

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Cape Town flights are currently cheapest in April.

Direct flights from Washington Dulles to Cape Town

Washington Dulles to Cape Town: Alternative routes

Compare routes from Washington Dulles to Cape Town below. You may find an airport to fly into that's cheaper, faster, or easier than Cape Town.

Washington D.C. to Cape Town: Flight information

The things to know before you go.
Cheapest flight foundP57,431
Cheapest month to flyApril
Average flight time14 hrs, 33 mins
Most popular airlineUnited
Average flights per week4

Finding cheap flights from Washington Dulles to Cape Town: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Cape Town is P57,431. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
14 hours and 33 minutes is the average flight time from Washington Dulles to Cape Town.
United flies direct from Washington Dulles to Cape Town.
As of February 2026, there are 4 flights per week flying from Washington Dulles to Cape Town.
The cheapest month to fly from Washington Dulles to Cape Town is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Cape Town Airport on Wednesday, 22 April 2026.
Yes – the average flight time is 14 hours and 33 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cape Town but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cape Town is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Turkish Airlines and United offer the cheapest flight tickets to Cape Town.

Flying from Washington Dulles International Airport (IAD) to Cape Town International Airport (CPT): what you need to know

  • Around 14 hours 30 minutes is how long you can expect to be travelling on a direct flight from Washington Dulles International Airport to Cape Town International Airport.

  • Cape Town is six hours ahead of Washington DC and is in the UTC+2 timezone.

  • Each week, there are four Washington Dulles International Airport to Cape Town International Airport flights. To take off as soon as possible, go for the 18:30 United Airlines flight. If you're eager to make the most of your day before flying, the latest flight is at 18:50 with United Airlines.

  • Give yourself enough time to make your IAD to CPT flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues in popular months like April. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • United Airlines has direct flights from Washington Dulles International Airport to Cape Town International Airport. Book with this popular carrier, then get ready to tick off the sights in Cape Town — and maybe even more of South Africa if you have time.

  • Most travellers choose to travel with United Airlines on this route.

  • United Airlines is the most punctual carrier that operates IAD to CPT flights, with 65.22% of its services landing on time.

  • If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Washington Dulles International Airport to Cape Town International Airport. These are the top stopovers between IAD and CPT:

    • Addis Ababa Bole International Airport

    • Charles de Gaulle Airport

    • Amsterdam Airport Schiphol

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Cape Town International Airport (CPT)

  • P34,020 is currently the lowest price for a one-way Washington Dulles International Airport to Cape Town International Airport flight. A return flight starts from P57,431. These fares may change based on demand.

  • Book six months before flying. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from IAD to CPT.

  • May is the cheapest month for flights from Washington Dulles International Airport to Cape Town International Airport. If you need to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for every month.

  • Landing cheap flights from IAD to CPT couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Washington Dulles International Airport to Cape Town International Airport.

Handy information about Washington Dulles International Airport (IAD)

  • You'll find IAD at 1 Saarinen Circle.

  • When it comes to the on-time performance of Washington Dulles International Airport, 74.39% of flights stick to their scheduled arrival time.

  • Washington Dulles International Airport is around 56 kilometres from central Washington DC. If you're driving, ride-sharing or catching a cab from the centre, it'll take 50 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? Expect a journey time of around 3 hours 25 minutes.

  • Get your holiday off to a hassle-free start by staying near IAD. Whether you're boarding an early flight from Washington Dulles International Airport to Cape Town International Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at Cape Town International Airport (CPT)

Getting from Cape Town International Airport (CPT) to central Cape Town

  • Cape Town International Airport to central Cape Town has a drive time of around 20 minutes. It's approximately 19 kilometres away.

When to fly to Cape Town International Airport (CPT)

  • The quietest month for a flight from Washington Dulles International Airport to Cape Town International Airport is April, while June is the most popular. Choose the ideal time to go to Cape Town based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Cape Town is February, with the temperature ranging between 16ºC (61ºF) and 27ºC (81ºF). Lock in your flights from Washington Dulles International Airport to Cape Town International Airport in this month if this is the kind of weather you like.

  • If you want to travel in cooler conditions, look for a cheap ticket from IAD to CPT in July. Temperatures average between 9ºC (48ºF) and 19ºC (66ºF) then.

Explore more of South Africa

  • You've done Cape Town, now it's time to explore other corners of South Africa. Journey around 56 kilometres north-east to Paarl to tick off its top sights. From Bretagne Rock to Skydive Africa and Paarl Trails, your itinerary will be busy.

  • Worcester is another essential stop in South Africa and is around 97 kilometres east of Cape Town. No journey is complete without a visit to Green Valley, Queen's Plain and Worcester Town Hall.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.