|Route||Cheapest Adult Fare|
|Flights to Incheon (ICN)||$353||Select|
|Flights to Seoul (SEL)||$353||Select|
|Flights to Cheju (CJU)||$360||Select|
|Flights to Seoul (GMP)||$365||Select|
|Flights to Pusan (PUS)||$588||Select|
Cheap Flights to South Korea
Here are the cheapest return flights to South Korea. Prices are for flights departing United States (USA).