There are 162 direct nonstop flight destinations from Seoul Incheon International Airport (ICN), served by 88 airlines. 2 are domestic routes and 160 are international non-stop flights. The longest direct flight goes to Lisbon (LIS), with a non-stop flight time of 15h 35m.
Route data last updated: May 26, 2026
Most Popular from Seoul
Busiest routes by number of airlines
🍃 Lowest-carbon direct flights from Seoul
Shortest nonstop routes from ICN — direct flights cut takeoff/climb fuel burn vs. taking a layover
Airlines from Seoul
About Incheon International Airport (ICN)
Frequently Asked Questions
How many direct flights are there from Seoul (ICN)?
162 nonstop destinations from Seoul (ICN), across 88 airlines. 2 domestic, 160 international.
Which airlines fly from Seoul (ICN)?
88 airlines fly nonstop from Seoul (ICN). Full list is in the airline section above.
What is the longest nonstop flight from Seoul (ICN)?
Lisbon (LIS) — 6,475 miles, about 15h 35m.
Can I fly internationally from Seoul (ICN)?
Yes — 160 international nonstop destinations from ICN.
How early should I arrive at Incheon International Airport?
2 hours for domestic, 3 hours for international. Standard advice for check-in, security, and immigration.
What timezone is Seoul (ICN) in?
Asia/Seoul.