Direct (nonstop) flights from Bangkok to Seoul

3 airlines fly nonstop from Don Mueang International Airport (DMK) to Incheon International Airport (ICN). It's 2,270 miles (3,653 km), about 5h 35m in the air. Operated by Thai AirAsia, Thai Lion Air, Thai AirAsia X.

DMK
Don Mueang International Airport
🇹🇭 Bangkok, Thailand
ICN
Incheon International Airport
🇰🇷 Seoul, Republic of Korea
Flight Time
5h 35m
Distance
2,270 mi
3,653 km
CO₂/pax
384 kg
−35 kg vs. layover
Airlines
3
Thai AirAsia +2
Time Diff
+2h
Operated by Thai AirAsia Thai AirAsia Thai Lion Air Thai Lion Air Thai AirAsia X Thai AirAsia X

Route data last updated: May 31, 2026

Airlines with non-stop flights

Thai AirAsia FD Thai AirAsia
Route
DMK → ICN
Flight Time
5h 35m
Distance
2,270 mi
Thai Lion Air SL Thai Lion Air
Route
DMK → ICN
Flight Time
5h 35m
Distance
2,270 mi
Thai AirAsia X XJ Thai AirAsia X
Route
DMK → ICN
Flight Time
5h 35m
Distance
2,270 mi

Alternative Routes

Other ways to fly from Bangkok to Seoul with one stop · direct emits 384 kg CO₂ per passenger

DMK HAN (Hanoi) ICN
Leg 1: 1h 50m (608 mi) Leg 2: 4h 5m (1,667 mi) Total: ~5h 55m 🍃 419 kg CO₂ (+9% vs. direct)
Leg 1
DMK → HAN
1h 50m · 608 mi
View DMK to HAN flights →
Leg 2
HAN → ICN
4h 5m · 1,667 mi
View HAN to ICN flights →
DMK VTE (Vientiane) ICN
Leg 1: 1h 10m (308 mi) Leg 2: 4h 58m (1,973 mi) Total: ~6h 8m 🍃 415 kg CO₂ (+8% vs. direct)
Leg 1
DMK → VTE
1h 10m · 308 mi
View DMK to VTE flights →
Leg 2
VTE → ICN
4h 58m · 1,973 mi
View VTE to ICN flights →
DMK CAN (Guangzhou) ICN
Leg 1: 2h 50m (1,056 mi) Leg 2: 3h 20m (1,244 mi) Total: ~6h 10m 🍃 413 kg CO₂ (+8% vs. direct)
Leg 1
DMK → CAN
2h 50m · 1,056 mi
View DMK to CAN flights →
Leg 2
CAN → ICN
3h 20m · 1,244 mi
View CAN to ICN flights →
DMK PVG (Shanghai) ICN
Leg 1: 4h 15m (1,793 mi) Leg 2: 1h 55m (510 mi) Total: ~6h 10m 🍃 422 kg CO₂ (+10% vs. direct)
Leg 1
DMK → PVG
4h 15m · 1,793 mi
View DMK to PVG flights →
Leg 2
PVG → ICN
1h 55m · 510 mi
View PVG to ICN flights →
DMK HGH (Hangzhou) ICN
Leg 1: 4h (1,691 mi) Leg 2: 2h 13m (605 mi) Total: ~6h 13m 🍃 423 kg CO₂ (+10% vs. direct)
Leg 1
DMK → HGH
4h · 1,691 mi
View DMK to HGH flights →
Leg 2
HGH → ICN
2h 13m · 605 mi
View HGH to ICN flights →

Looking for the return flight?

ICN → DMK: Flights from Seoul to Bangkok

Frequently Asked Questions

How long is the direct flight from Bangkok to Seoul?

A nonstop flight from Bangkok (DMK) to Seoul (ICN) takes approximately 5 hours and 35 minutes. The distance is 2,270 miles (3,653 km).

Which airlines fly nonstop from Bangkok to Seoul?

3 airlines: Thai AirAsia, Thai Lion Air, Thai AirAsia X.

Is there a nonstop flight from Bangkok to Seoul?

Yes. 3 airlines: Thai AirAsia, Thai Lion Air, Thai AirAsia X.

How far is Bangkok from Seoul?

The flight distance from Bangkok to Seoul 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 Bangkok and Seoul?

Seoul is 2 hours ahead of Bangkok. (Asia/Bangkok vs Asia/Seoul.)

What type of aircraft flies from Bangkok to Seoul?

At 5h 35m, 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 Thailand to Republic of Korea?

Depends on your passport. Check with the Republic of Korea embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Bangkok to Seoul?

Roughly 384 kg CO2 per passenger one-way. That's about the same as driving 1,920 km.

Is the return flight from Seoul to Bangkok 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 Bangkok to Seoul?

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 Don Mueang International Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.