How to Travel Between Korean Cities: KTX, Bus, and Flight Prices, Tickets, and Tips
Everything you need to know about traveling between Korean cities by KTX, express bus, and domestic flights. Booking tips and route guides included.
How to travel between Korean cities is easy. Learning how to travel between Korean cities is easy. Korea’s efficient transportation system makes understanding how to travel between Korean cities simple remarkably accessible. Trains, buses, and domestic flights connect cities throughout the peninsula, allowing travelers to explore beyond Seoul with ease.
Understanding how to navigate between cities—booking tickets, choosing transportation modes, and planning connections—opens up experiences from coastal cities to mountain regions that many tourists never see.
This guide covers everything you need to know about traveling between Korean cities, from transportation options to practical booking advice.
Last updated: June 2026. Prices may change—verify before booking.
How to Travel Between Korean Cities: Route Comparison
| Route | KTX | Express Bus | Flight |
|---|---|---|---|
| Seoul → Busan | 2h 30m / ₩59,800 | 4h 15m / ₩23,000 | 1h / ₩50,000-100,000 |
| Seoul → Daejeon | 50m / ₩23,700 | 2h / ₩9,600 | N/A |
| Seoul → Daegu | 1h 40m / ₩43,500 | 3h 30m / ₩18,100 | 55m / ₩45,000-80,000 |
| Seoul → Gwangju | 1h 30m / ₩41,900 | 3h 30m / ₩17,300 | 55m / ₩50,000-90,000 |
| Seoul → Jeonju | 1h 30m / ₩28,600 | 2h 40m / ₩13,200 | N/A |
| Seoul → Gangneung | 2h / ₩27,600 | 2h 30m / ₩14,800 | N/A |
| Seoul → Jeju | N/A | N/A (ferry 12h+) | 1h 10m / ₩40,000-150,000 |
General rule: KTX for speed, bus for budget, flight for Jeju or when time matters most.
How to Travel Between Korean Cities: KTX Rail
The KTX revolutionized Korean travel, making distant cities accessible within hours.
Major Routes and Times
| Line | Route | Time | Standard Fare |
|---|---|---|---|
| Gyeongbu | Seoul → Busan | 2h 30m | ₩59,800 |
| Gyeongbu | Seoul → Daejeon | 50m | ₩23,700 |
| Gyeongbu | Seoul → Dongdaegu | 1h 40m | ₩43,500 |
| Honam | Seoul → Gwangju Songjeong | 1h 30m | ₩41,900 |
| Honam | Seoul → Mokpo | 2h 30m | ₩50,400 |
| Gyeongjeon | Seoul → Jinju | 2h 50m | ₩47,800 |
| Gangneung | Seoul → Gangneung | 2h | ₩27,600 |
KTX Classes
| Class | Features | Price Difference |
|---|---|---|
| First Class | Wider seats (2+1), more legroom, meal service on some trains | +40-50% |
| Standard Class | Comfortable 2+2 seating, outlets, WiFi | Base price |
| Standing (입석) | No guaranteed seat, can sit if available | -15% |
Booking KTX Tickets
Option 1: Korail Website/App (Recommended)
- Website: letskorail.com (English available)
- Book up to 1 month in advance
- International cards accepted
- Show mobile ticket or print at kiosk
Option 2: At the Station
- Ticket windows with English service at major stations
- Self-service kiosks (Korean only, but manageable)
- Cash or card accepted
Option 3: Travel Apps
- Klook, KKday, Trazy often offer tourist packages
- May include transfers or bundled tickets
KTX Discount Tips
| Discount | Savings | How to Get |
|---|---|---|
| Early Morning (first train) | 10% | Book trains departing before 06:30 |
| Round Trip | 10% | Book both directions together |
| Group (3+ people) | Up to 30% | Book together on same reservation |
| Youth (13-25) | 20% | Present ID at station |
SRT: The Other High-Speed Train
SRT operates from Suseo Station (southern Seoul) to similar destinations, often with lower prices and better availability.
| KTX (Seoul Station) | SRT (Suseo Station) |
|---|---|
| Central location | Gangnam area (Line 3) |
| More departures | Often cheaper (5-10%) |
| More crowded | Less crowded |
| Book at letskorail.com | Book at etk.srail.co.kr |
How to Travel Between Korean Cities: Express Buses
Buses remain Korea’s most extensive intercity network, reaching destinations trains cannot.
Bus Types
| Type | Korean Name | Features |
|---|---|---|
| Premium | 우등 (Udeung) | 3 seats per row, more legroom, recommended for 2+ hours |
| Standard | 일반 (Ilban) | 4 seats per row, budget option |
| Deep Night | 심야 (Simya) | Overnight buses with reclining seats |
Major Bus Terminals in Seoul
| Terminal | Subway Access | Destinations |
|---|---|---|
| Seoul Express (강남) | Express Bus Terminal (Line 3/7/9) | Nationwide – largest terminal |
| Dong Seoul (동서울) | Gangbyeon (Line 2) | East coast, Gangwon region |
| Nambu Terminal | Nambu Terminal (Line 3) | Chungcheong, Jeolla region |
| Sangbong | Sangbong (Line 7/Jungang) | Northeast, Gyeonggi |
Booking Bus Tickets
Online (Recommended):
- Kobus.co.kr – Express buses (English available)
- txbus.t-money.co.kr – Various buses
- Book up to 1 month ahead
At Terminal:
- Ticket windows with numbered displays
- Same-day tickets usually available (except holidays)
- Cash or card
Sample Bus Prices
| Route | Standard | Premium | Duration |
|---|---|---|---|
| Seoul → Busan | ₩23,000 | ₩34,200 | 4h 15m |
| Seoul → Daegu | ₩18,100 | ₩26,800 | 3h 30m |
| Seoul → Gwangju | ₩17,300 | ₩25,600 | 3h 30m |
| Seoul → Jeonju | ₩13,200 | ₩19,500 | 2h 40m |
| Seoul → Sokcho | ₩17,400 | ₩25,700 | 2h 30m |
| Busan → Gyeongju | ₩5,800 | ₩8,600 | 50m |
Bus Travel Tips
- Arrive 15-20 minutes early to find your platform
- Rest stops every 2 hours (10-15 min break)
- WiFi available on most buses
- No phone calls expected (quiet environment)
- Luggage stored underneath – keep valuables with you
How to Travel Between Korean Cities: Domestic Flights
Flying makes sense for Jeju Island and when time is critical.
Airlines
| Type | Airlines | Notes |
|---|---|---|
| Full Service | Korean Air, Asiana | More legroom, snacks included |
| Low Cost | Jeju Air, Jin Air, T’way, Air Busan, Air Seoul | Competitive prices, frequent sales |
Key Routes and Prices
| Route | Flight Time | Price Range | Frequency |
|---|---|---|---|
| Gimpo → Jeju | 1h 10m | ₩40,000-150,000 | Every 10-15 min peak |
| Gimpo → Busan | 55m | ₩50,000-100,000 | Hourly |
| Gimpo → Gwangju | 55m | ₩50,000-90,000 | Several daily |
| Busan → Jeju | 55m | ₩35,000-80,000 | Frequent |
Seoul Airports
| Airport | Domestic Routes | Access |
|---|---|---|
| Gimpo (GMP) | Most domestic flights | Subway Lines 5, 9, AREX (20-30 min from central Seoul) |
| Incheon (ICN) | Some Jeju flights | AREX, Airport Bus (45-60 min) |
Flight Booking Tips
- Book 2-4 weeks ahead for best prices
- Compare on Naver Flight or Google Flights
- LCC sales can drop prices to ₩30,000-40,000
- Jeju flights: book early for weekends and holidays
- Add airport transfer time when comparing to KTX
How to Travel Between Korean Cities: KR Pass
Unlimited rail travel for foreign tourists. Worth it for extensive train travel.
Pass Options and Prices (2026)
| Type | Adult | Youth (13-25) |
|---|---|---|
| 2-Day Consecutive | ₩121,000 | ₩96,000 |
| 3-Day Consecutive | ₩138,000 | ₩110,000 |
| 4-Day Consecutive | ₩178,000 | ₩142,000 |
| 5-Day Consecutive | ₩198,000 | ₩158,000 |
| 2-Day Flexible (10 days) | ₩138,000 | ₩110,000 |
| 4-Day Flexible (10 days) | ₩228,000 | ₩182,000 |
Is It Worth It?
Example calculation:
- Seoul → Busan KTX: ₩59,800
- Busan → Gyeongju: ₩8,400
- Gyeongju → Seoul: ₩52,600
- Total individual tickets: ₩120,800
- 3-Day Pass: ₩138,000
In this case, individual tickets are cheaper. But add another city and the pass becomes valuable.
How to Purchase
- Buy voucher online at letskorail.com
- Exchange for actual pass at major stations (Seoul, Busan, Incheon Airport)
- Make seat reservations (free with pass) at ticket windows or kiosks
How to Travel Between Korean Cities: Popular Routes
Seoul → Busan
| Option | Time | Cost | Best For |
|---|---|---|---|
| KTX | 2h 30m | ₩59,800 | Speed, comfort |
| SRT | 2h 30m | ₩52,600 | Departing from Gangnam |
| Express Bus | 4h 15m | ₩23,000-34,200 | Budget |
| Flight | 55m + transfers | ₩50,000-100,000 | Last minute, sales |
Seoul → Jeju
| Option | Time | Cost | Notes |
|---|---|---|---|
| Flight (Gimpo) | 1h 10m | ₩40,000-150,000 | Only practical option |
| Ferry | 12+ hours | ₩50,000+ | Only if bringing a car |
Seoul → Gyeongju
| Option | Time | Cost | Notes |
|---|---|---|---|
| KTX to Singyeongju + bus | 2h + 20m | ₩52,600 + ₩1,400 | Fastest |
| Express Bus | 4h | ₩23,300 | Direct to city center |
| From Busan (bus) | 50m | ₩5,800 | Easy day trip from Busan |
Seoul → Jeonju
| Option | Time | Cost | Notes |
|---|---|---|---|
| KTX | 1h 30m | ₩28,600 | Fastest |
| Express Bus | 2h 40m | ₩13,200 | Budget, direct to Hanok Village area |
Seoul → Gangneung (East Coast)
| Option | Time | Cost | Notes |
|---|---|---|---|
| KTX | 2h | ₩27,600 | Opened for 2018 Olympics |
| Express Bus | 2h 30m | ₩14,800 | Slightly cheaper |
How to Travel Between Korean Cities: Itineraries
5-Day Seoul + Busan + Gyeongju
| Day | Location | Transport | Cost |
|---|---|---|---|
| 1-2 | Seoul | – | – |
| 3 | Seoul → Busan | KTX morning | ₩59,800 |
| 4 | Busan → Gyeongju → Busan | Bus day trip | ₩11,600 |
| 5 | Busan → Seoul | KTX evening | ₩59,800 |
| Total transport | ₩131,200 |
7-Day Circle Route
| Day | Route | Transport | Cost |
|---|---|---|---|
| 1-2 | Seoul | – | – |
| 3 | Seoul → Jeonju | KTX | ₩28,600 |
| 4 | Jeonju → Gwangju | Bus | ₩8,300 |
| 5 | Gwangju → Busan | KTX | ₩34,400 |
| 6 | Busan (day trip Gyeongju) | Bus | ₩11,600 |
| 7 | Busan → Seoul | KTX | ₩59,800 |
| Total transport | ₩142,700 |
For this itinerary, a 5-Day KR Pass (₩198,000) is close but individual tickets are slightly cheaper.
How to Travel Between Korean Cities: Tips
Holiday Travel Warning
Book well in advance (2-4 weeks) for:
- Seollal (Lunar New Year): Late January/February
- Chuseok: September/October
- Summer vacation: Late July – mid August
- Long weekends: Any holiday + Friday/Monday
Navigation Apps
- Naver Map: Best for Korea (English available)
- KakaoMap: Also excellent, good transit info
- Google Maps: Limited – no transit directions in Korea
Luggage Storage
- Lockers at all major stations: ₩2,000-4,000 per use
- Sizes: small (carry-on), medium, large (suitcase)
- Hotels often store luggage before check-in/after checkout
Related Guides
- Korea Public Transportation Guide
- Seoul Travel Guide
- Busan Travel Guide
- Jeju Island Travel Guide
- Historic Destinations Guide
FAQ
Should I book transportation in advance?
Yes for holidays and weekends. Weekdays usually have availability, but booking ahead ensures preferred times. KTX during Chuseok sells out weeks ahead.
Is the KR Pass worth it?
Calculate your specific routes. Generally worth it for 3+ long KTX journeys. For Seoul-Busan round trip only, individual tickets are cheaper.
Can I use international credit cards?
Yes at major stations, Korail website, and most bus terminals. Smaller stations may need cash.
KTX vs. bus—which should I choose?
KTX for speed and comfort (worth the extra cost for 2+ hour journeys). Bus for budget and destinations without train service.
How early should I arrive at the station?
Trains: 10-15 minutes. Buses: 15-20 minutes (to find platform). Flights: 1.5-2 hours for domestic.
What if I miss my train or bus?
Train tickets can be exchanged for different times (with fees). Bus tickets sometimes exchangeable at the window. Arrive early to avoid issues.
Do I need to print tickets?
No. Mobile tickets (screenshot or app) work for KTX and most buses. Staff can also look up reservations by passport number.
