AirportMiles

Bangkok (BKK) – Seoul (ICN)

Flights on GoogleSkyscanner
Distance, flight time and the airlines that fly it, from open data.
Distance
3,665 km
2,277 mi · 1,979 nm
Flight time
5 h 10 min
Estimate from distance
Time difference
2 h
CO2 per passenger
461 kg
One way, economy, incl. RF (273 kg CO2 only)
Passengers, 6 months
950,069
Jan 2026 – Jun 2026
Flights / week
189
Both directions, average
Seats filled
—
Airlines nonstop
10
KE, TG, OZ

Traffic: Incheon International Airport Corporation (Korea), scheduled passenger flights, Jan 2026 – Jun 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources

Great circle from BKK to ICNBKKICN
Shortest path over the earth's surface (great circle). Real flights bend around weather, winds and airspace.

The way there

Heading from BKK
39°
Heading from ICN
231°
Halfway point
26.15, 112.29
Great-circle km
3,669 km (sphere, for EU261)
Clocks
Seoul is 2 h ahead of Bangkok

The estimate for a route without real times is 5 h 10 min; how it is worked out is on Sources.

Passengers per month, both directions (Jan 2026 – Jun 2026)Busiest: January 2026: 208,093 passengers
0100K200K300KJan208.1KFebMarAprMayJun
Show as a table
Month Passengers
Jan 2026208,093
Feb 2026185,729
Mar 2026186,008
Apr 2026145,266
May 2026118,042
Jun 2026106,931
Flights per month, both directions (Jan 2026 – Jun 2026)Busiest: March 2026: 1,021 flights
05001K1.5KJanFebMar1KAprMayJun
Show as a table
Month Flights
Jan 20261,018
Feb 2026908
Mar 20261,021
Apr 2026725
May 2026628
Jun 2026623

Airlines flying BKK–ICN nonstop

Airline Flights / week Share of passengers
KEKorean Air Lines58
25%
TGThai Airways37
24%
OZAsiana Airlines28
17%
YPAir Premia10
8%
7CJeju Air12
6%
TWTrinity Airways11
5%
VZThai Vietjet Air11
5%
LJJin Air8.5
4%
BXAir Busan6.8
4%
ZEEastar Jet6.7
3%

Both directions, Jan 2026 – Jun 2026. Airlines with at least one flight a month. Incheon International Airport Corporation (Korea), scheduled passenger flights. Sources

Delay compensation (EU261 / UK261)

Measured by great-circle distance: 3,669 km.

Neither EU261 nor UK261 covers this route: it neither starts nor ends in the EU, EEA, Switzerland or the UK. Other countries have their own rules (for example Canada's APPR or Brazil's ANAC rules).

Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.

Every airport pair between Bangkok and Seoul

ICNGMP
BKK3,6653,694
DMK3,6553,684

Kilometres. Linked numbers have a page of their own. All Bangkok airports · All Seoul airports

More routes from BKK

Route Distance Passengers / year
BKK → DEL2,948 km 1,082,847
BKK → IST7,521 km 674,931
BKK → BOM3,034 km 540,563
BKK → MUC8,809 km 464,121
BKK → FRA9,010 km 460,756
BKK → ZRH9,064 km 434,493
BKK → CDG9,459 km 428,819
BKK → AMS9,217 km 331,437
BKK → BLR2,495 km 323,554
BKK → CCU1,635 km 287,649

More routes from ICN

Route Distance Passengers
ICN → NRT1,260 km 2,519,026 (6 mo)
ICN → KIX862 km 2,313,960 (6 mo)
ICN → FUK563 km 1,708,245 (6 mo)
ICN → HKG2,067 km 1,316,010 (6 mo)
ICN → TPE1,460 km 1,184,972 (6 mo)
ICN → PVG821 km 1,111,272 (6 mo)
ICN → DAD2,976 km 941,076 (6 mo)
ICN → SIN4,614 km 900,158 (6 mo)
ICN → TAO580 km 797,360 (6 mo)
ICN → CXR3,304 km 689,174 (6 mo)

Questions

Bangkok (BKK) and Seoul (ICN) are 3,665 km (2,277 miles, 1,979 nautical miles) apart, measured along the shortest path over the earth's surface.