Direct (nonstop) flights from Seoul to Bangkok
3 airlines fly nonstop from Incheon International Airport (ICN) to Don Mueang International Airport (DMK). It's 2,270 miles (3,653 km), about 5h 45m in the air. Operated by Thai AirAsia, Thai Lion Air, Thai AirAsia X.
Thai AirAsia
Thai Lion Air
Thai AirAsia X
Route data last updated: May 31, 2026
Airlines with non-stop flights
XJ
Thai AirAsia X
Alternative Routes
Other ways to fly from Seoul to Bangkok with one stop · direct emits 384 kg CO₂ per passenger
Looking for the return flight?
DMK → ICN: Flights from Bangkok to SeoulOther direct flights from Seoul
Direct flights from Bangkok (DMK)
Frequently Asked Questions
How long is the direct flight from Seoul to Bangkok?
A nonstop flight from Seoul (ICN) to Bangkok (DMK) takes approximately 5 hours and 45 minutes. The distance is 2,270 miles (3,653 km).
Which airlines fly nonstop from Seoul to Bangkok?
3 airlines: Thai AirAsia, Thai Lion Air, Thai AirAsia X.
Is there a nonstop flight from Seoul to Bangkok?
Yes. 3 airlines: Thai AirAsia, Thai Lion Air, Thai AirAsia X.
How far is Seoul from Bangkok?
The flight distance from Seoul to Bangkok is 2,270 miles (3,653 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Seoul and Bangkok?
Bangkok is 2 hours behind Seoul. (Asia/Seoul vs Asia/Bangkok.)
What type of aircraft flies from Seoul to Bangkok?
At 5h 45m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Republic of Korea to Thailand?
Depends on your passport. Check with the Thailand embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Seoul to Bangkok?
Roughly 384 kg CO2 per passenger one-way. That's about the same as driving 1,920 km.
Is the return flight from Bangkok to Seoul also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seoul to Bangkok?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Incheon International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.