Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at Nov 11th. As of Oct 16th, it's showing the cheapest ticket sales at $1,016. That is 56% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : What is the cheapest round-trip ticket you can get to Busan?
Answer : JAL is offering the best deal at $1,016. Better take a look quickly because prices range all the way up to $4,761 over the next three months.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : Saturday is your lowest-cost day to fly in the month of November. 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 visit Busan?
Answer : Of course you're not most people, but if you were, you'd stay roughly one week.
Question : Is the price you found a good deal?
Answer : Flight prices fluctuate a lot more than the majority of routes from the United States for STL to PUS. They vary anywhere from $1,016 to $4,761. Prices tend to be lower the further out you book.