Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Monday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : How long do most people stay in Zurich?
Answer : Of course you're not most people, but if you were, you'd stay roughly 10 days.
Question : What day in the next four weeks has the best fares?
Answer : Since low prices are preferred, look at Aug 11th. As of Jul 24th, it's showing the cheapest ticket sales at $841. That is 50% below the average price for this route, so you can spend that extra cash on a fun experience in Zurich.
Question : Is the price you found a good deal?
Answer : Ranging anywhere from $647 to $4,011, prices for RDU to ZRH do fluctuate much more than the majority of routes from the United States. The further out you book a route, the more likely you are to save.