Quick Summary
Traveling between cities? KTX is the fastest way to travel between major Korean cities. Book through KORAIL's official reservation services.
Key takeaways
- Popular routes: Seoul ↔ Busan, Seoul ↔ Daegu, Seoul ↔ Daejeon, Seoul ↔ Gwangju.
- Recommended booking websites: KORAIL Official Website and KORAIL English Reservation.
- These are the official reservation services for KTX and other trains.
- Is KTX better than domestic flights? For many routes, yes — it is often faster and more convenient between city centers.
Official resources
- KORAIL — Official Train Ticket Reservation — Official English booking page for Korean rail tickets.
- KORAIL — Official Rail & KTX Information — National railway operator: KTX, ITX and Mugunghwa information and reservation.
- SR (SRT) — Official High-Speed Rail — SRT high-speed rail operator and reservation.
- KORAIL Official Website — Official reservation service for KTX and other trains.
- KORAIL English Reservation — English-language official reservation service for KTX and other trains.
Why It Matters
KTX connects Korea's major cities quickly, making it one of the most useful ways to plan multi-city trips.
Seoul ↔ Busan
One of the most popular KTX routes, connecting the capital to Korea's southern coastal city.
Seoul ↔ Daegu
A popular route for travelers heading to central-southern Korea.
Seoul ↔ Daejeon
A popular route for shorter city-to-city travel.
Seoul ↔ Gwangju
A popular route for travelers heading to southwestern Korea.
Step-by-Step Guide
- 01
1. Decide your route
Choose your route among popular options such as Seoul ↔ Busan, Seoul ↔ Daegu, Seoul ↔ Daejeon, or Seoul ↔ Gwangju.
- 02
2. Book on KORAIL's official site
Use the KORAIL Official Website or KORAIL English Reservation — the official reservation services for KTX and other trains.
- 03
3. Check your travel dates
Confirm your travel dates before booking, since this affects pricing and seat availability.
- 04
4. Check the cancellation policy
Review the cancellation policy before booking to avoid losing money if your plans change.
- 05
5. Compare with domestic flights
For many routes, KTX is faster and more convenient between city centers than domestic flights.
Popular KTX Routes
| Route | Notes |
|---|---|
| Seoul ↔ Busan | One of the most popular KTX routes. |
| Seoul ↔ Daegu | Connects to central-southern Korea. |
| Seoul ↔ Daejeon | A popular short route. |
| Seoul ↔ Gwangju | Connects to southwestern Korea. |
Important Tips
Book on official KORAIL sites
KORAIL Official Website and KORAIL English Reservation are the official reservation services for KTX and other trains.
Popular routes connect major cities
Seoul ↔ Busan, Seoul ↔ Daegu, Seoul ↔ Daejeon, and Seoul ↔ Gwangju are the most popular KTX routes.
Check travel dates before booking
Confirming dates in advance can save both time and money.
KTX vs domestic flights
For many routes, KTX is faster and more convenient between city centers.
Check the cancellation policy
Review cancellation terms before booking.
Common Mistakes
Don't
Booking through unofficial third-party resellers.
Do
Use the KORAIL Official Website or KORAIL English Reservation — the official reservation services for KTX and other trains.
Don't
Assuming domestic flights are always faster.
Do
For many routes, KTX is often faster and more convenient between city centers.
Don't
Ignoring the cancellation policy.
Do
Check the cancellation policy before booking to save time and money.
Frequently Asked Questions
Is KTX better than domestic flights?+
For many routes, yes. KTX is often faster and more convenient between city centers.
Where should I book KTX tickets?+
The KORAIL Official Website and KORAIL English Reservation are the official reservation services for KTX and other trains.
What are the most popular KTX routes?+
Seoul ↔ Busan, Seoul ↔ Daegu, Seoul ↔ Daejeon, and Seoul ↔ Gwangju.
Official Resources
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