When is the cheapest time to fly Seoul Korea?

* Pros: Fewer tourists mean cheaper flights and hotels, and shorter lines at attractions. The weather is also generally pleasant, with mild temperatures and low humidity.

* Cons: Some businesses and attractions may be closed or have reduced hours, and the weather can be unpredictable, with occasional heavy rain or snow.

Shoulder season (March to May, September to December)

* Pros: The weather is generally mild and comfortable, with fewer crowds and lower prices than during the peak season.

* Cons: The weather can be unpredictable, and some businesses and attractions may have reduced hours.

Peak season (late March to May, October)

* Pros: The weather is generally mild and comfortable, and there are plenty of festivals and events to enjoy.

* Cons: This is the most popular time to visit Seoul, so flights and hotels will be more expensive, and there will be more crowds at attractions.