Seoul and Busan are the two most important cities in South Korea.
Seoul is the capital city, and Busan is the largest port city in the south.
The distance between Seoul and Busan is about 325 km, but traveling is very easy.
Korea has fast trains, frequent flights, and comfortable express buses.
Below are the three best ways to travel from Seoul to Busan.
Option 1. Flying from Gimpo Airport to Gimhae Airport
Route
Gimpo Airport (Seoul) → Gimhae Airport (Busan)
Flying is the fastest way to travel between Seoul and Busan.
- Flight time: about 1 hour
- Airlines fly many times every day
- Gimpo Airport is located inside Seoul and is easy to reach by subway
After landing at Gimhae Airport, you can go to downtown Busan by subway, taxi, or bus.
Best for
- Travelers with limited time
- People carrying large luggage
- Business trips or short stays
Option 2. High-Speed Train (KTX & SRT)
High-speed trains are the most popular way to travel in Korea.
They are fast, clean, and very comfortable.
A) KTX – From Seoul Station
KTX (Korea Train eXpress) departs from Seoul Station, located in central Seoul.
- Travel time: 2.5 to 3 hours
- Destination: Busan Station
- Comfortable seats and restrooms onboard
Seoul Station is easy to reach from most tourist areas such as Myeongdong and Hongdae.
Best for
- First-time visitors
- Travelers staying near central Seoul
- People who enjoy scenery during the trip
B) SRT – From Suseo Station (Gangnam Area)
SRT (Super Rapid Train) departs from Suseo Station, in southern Seoul.
- Travel time: 2.5 to 3 hours
- Destination: Busan Station
- Often slightly cheaper than KTX
Suseo Station is convenient if you stay in Gangnam, Seocho, or Jamsil.
Best for
- Travelers in southern Seoul
- Budget-conscious visitors
- Frequent travelers in Korea
Option 3. Express Bus (From Seoul Express Bus Terminal)
Express buses are a budget-friendly way to travel long distances in Korea.
Main Departure Point
- Seoul Express Bus Terminal (Gangnam area)
Route
Seoul Express Bus Terminal → Busan Central Bus Terminal
- Travel time: 4 to 5 hours
- Seats are wide and comfortable
- Premium buses offer extra legroom
Traffic can affect travel time, especially on weekends and holidays.
Best for
- Budget travelers
- People who enjoy relaxed travel
- Night buses (sleep while traveling)
