Question : What price range should you expect when booking from Tunis (TUN) to Busan (PUS)?
Answer : Flight prices are fluctuating a lot more for this route than the majority of routes from Tunisia, as they're ranging anywhere from $2,349 to $5,548. However, the sooner you book, the better price you tend to get.
Question : How long do most people stay in Busan?
Answer : Of course you're not most people, but if you were, you'd stay roughly one week.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : In March, Thursday is your cheapest day to fly. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.