Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at February 10th. As of January 23rd, the cheapest ticket sales are coming in 38% below the average price for this route, so you can spend that extra cash on an adventure rather than the flight.
Question : How long do most people stay in Johannesburg when they fly in from San Francisco?
Answer : Of course you're not most people, but if you were, you'd stay roughly 17 days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The lowest-cost day to fly in February is Thursday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Are prices changing frequently for this route?
Answer : Prices are fluctuating a lot more for this route than most. The further out you book a route, the more likely you are to save.