Incheon Airport Terminal Change: Air Busan & Air Seoul to T2
Important terminal reorganization at Incheon International Airport (ICN) — check your departure and arrival terminal before your travel day.
Terminal Relocation Timeline
AIR BUSAN: Operating from Terminal 2
- Relocation Date: July 29, 2025
- All Air Busan flights depart and arrive at Terminal 2 (T2).
- Dedicated Air Busan check-in counters are active inside T2.
AIR SEOUL: Operating from Terminal 2
- Relocation Date: September 9, 2025
- All Air Seoul flights depart and arrive at Terminal 2 (T2).
- Check-in counters operate from designated areas in T2.
Asiana Airlines: Completed Move to T2
As parent company to Air Busan and Air Seoul, Asiana Airlines completed its relocation to Terminal 2 on January 14, 2026. This major shift concentrates Star Alliance and affiliated carriers in T2 to streamline airport operations.
Summary of Terminal Assignments
| Airline | Effective Date | Former Terminal | Current Terminal |
|---|---|---|---|
| AIR BUSAN | July 29, 2025 | Terminal 1 | Terminal 2 (T2) |
| AIR SEOUL | September 9, 2025 | Terminal 1 | Terminal 2 (T2) |
| Asiana Airlines | January 14, 2026 | Terminal 1 | Terminal 2 (T2) |
Important Tips for Travelers
Free Inter-Terminal Shuttle Bus
Terminal 1 and Terminal 2 are connected by a free airport shuttle bus. Buses depart every 5–10 minutes and the transit between terminals takes approximately 15–20 minutes.
Transit & Split Terminal Bookings
If you have a layover or connecting flight, verify whether your inbound flight arrives at T1 and outbound departs from T2 (or vice versa). Allow at least 60–90 minutes extra for transfer.
Frequently Asked Questions
How do I verify which terminal my flight uses?
Check the official Incheon International Airport website (airport.kr) or check your e-ticket itinerary and airline mobile app.
What if I arrive at the wrong terminal by mistake?
Head to the 3rd floor departure area and follow signs for the Free Terminal Shuttle Bus. You can also take the AREX airport railroad (1 stop between T1 and T2).