The sector is held by Air Incheon, Asiana Airlines, Jeju Air, Korean Air, National Airlines and Perimeter Aviation.
Airport pair · hand carry reference
BKK Bangkok to ICN Seoul
Suvarnabhumi Airport, Thailand, to Incheon International, South Korea. Computed from the scheduled network held on 2026-09-07.
- Nonstop
- 15.4 times a day
- Great circle
- 3,669 km
- Block, estimated
- 4h 55m
- Door to door
- 11h 40m
What BKK to ICN looks like
The BKK to ICN sector, the carriers on it and the flying time, before anything is promised to anybody.
Bangkok BKK to Seoul ICN is a long haul sector of 3,669 km by great circle, flown nonstop 15.4 times a day.
At the cruise speed this site models for 3,669 km, 880 km an hour, and thirty minutes of taxi at the two ends, the flight blocks at about 4h 55m.
Bangkok BKK is a large airport in the network held here, 138 scheduled destinations and 531.9 departures a day. Seoul ICN has 165 destinations and 641.2 departures a day.
Seoul is 2 hours ahead of Bangkok all year.
The pair sits inside Asia Pacific, a corridor where the site already publishes 16 written lanes that go into customs and ground detail this page does not.
Who flies the sector, and how often
Average daily frequencies on BKK to ICN from the scheduled route statistics, both directions, with the operating carriers named.
| Direction | Flights a day | Flights a week | Operated by |
|---|---|---|---|
| BKK to ICN | 15.43 | 108 | Air Incheon, Asiana Airlines, Jeju Air, Korean Air, National Airlines, Perimeter Aviation |
| ICN to BKK | 14 | 98 | Asiana Airlines, Jeju Air, Korean Air, Perimeter Aviation, Thai Airways International, AeroVIP (Uruguay) |
8 carriers are recorded on the sector, so a missed departure is normally a rebooking rather than a lost day.
At 15.4 times a day there is usually another departure within a few hours, which is what makes a same day booking on this pair realistic.
Between them the two directions put about 206 departures a week on BKK to ICN, which is the number that decides whether a seat can be found today or on Thursday.
The clock from collection to signature
The same ground timings the route calculator starts from, applied to the 4h 55m block time on BKK to ICN. Change any of them in the tool further down and the total moves with them.
| Stage | Allowed | Elapsed |
|---|---|---|
| Collection and the run to BKK | 90 min | 1h 30m |
| At BKK before departure | 180 min | 4h 30m |
| BKK to ICN in the air, estimated | 295 min | 9h 25m |
| Formalities at ICN | 90 min | 10h 55m |
| Delivery run in Seoul | 45 min | 11h 40m |
| Door to door | 700 min | 11h 40m |
On the desk standard ground timings, ninety minutes to collect and reach the airport, three hours at the airport before departure, ninety minutes of arrival formalities and a forty five minute delivery run, the door to door figure for BKK to ICN is 11h 40m.
A courier who leaves Bangkok at 09:00 local is on the ground in Seoul at about 15:55 local and at the door by 18:10 the same day.
Working backwards from a six in the evening handover in Seoul, the last useful departure from Bangkok is around 08:50 local.
When the nonstop does not work
Every airport that joins the two ends, ranked by when they land, among the ones whose weaker leg is dependable enough to plan on. Connection time is allowed for the size of the hub. 67 of them join BKK to ICN.
| Connecting at | BKK to hub, flights a day | Hub to ICN, flights a day | Track, km | Estimated, gate to gate |
|---|---|---|---|---|
| Vientiane VTE | 4.57 | 2 | 3,696 | 6h 36m |
| Nanjing NKG | 1.86 | 4.14 | 3,669 | 6h 41m |
| Hanoi HAN | 12.86 | 14.29 | 3,679 | 6h 42m |
| Macau MFM | 2.86 | 3.86 | 3,755 | 6h 48m |
| Da Nang DAD | 5.29 | 14.71 | 3,824 | 6h 53m |
| Xiamen XMN | 2.86 | 2.29 | 3,826 | 6h 54m |
With 15.4 times a day on the nonstop, a connection here is a disruption plan rather than a routing, and it is listed because a closed runway or a cancellation wave is exactly when nobody has time to work it out.
67 airports connect the two ends on the scheduled network held here. The quickest of the dependable ones is Vientiane VTE, where the weaker of the two legs still runs about twice a day.
Through VTE the routing covers 3,696 km against the 3,669 km nonstop track and takes about 6h 36m in the air and on the ground at the hub, allowing 60 minutes to connect at an airport of that size.
That is only 1h 41m more than the nonstop, which is close enough that a connection is worth taking when the nonstop is full or badly timed.
Behind it, Nanjing NKG at 6h 41m and Hanoi HAN at 6h 42m hold the same connection, so a booking has three hubs to try before it has to wait for the nonstop.
If nothing suitable leaves Bangkok, Bangkok DMK is 30 km away by great circle and carries 61 scheduled destinations of its own, which is usually a shorter road transfer than a lost day.
Restricted hours at either end
Widely documented operating restrictions, checked 2026-09-07. Exemptions and seasonal variations exist, so confirm with the carrier before relying on any of them.
Seoul ICN, night operations: Operates around the clock.
Industry within reach of the two ends
Public manufacturing and research sites whose logistics run through BKK or ICN. Listed as industrial geography, not as customers of anyone.
- Hyundai and Kia, Ulsan and HwaseongThe largest car plant complex in the world by capacity at Ulsan. Korean lines with European and American tooling. Logistics through Seoul ICN.
- Samsung, Hwaseong and GiheungMemory and logic fabrication. An hour south of Incheon, and the destination for a great deal of European equipment. Logistics through Seoul ICN.
Plan Bangkok to Seoul yourself
The same tool the dispatchers use, open to anybody and free. It is loaded with this pair already. Change either end, add a stopover or a preferred airline, and it works out the connection, the transit and the door to door clock, with the real departures underneath. Put it on your own site if it is useful to you.
Restrictions
Where this came from, and where to look next
- Carriers and frequencies: AeroDataBox scheduled route statistics, retrieved 2026-09-07. Average daily flights, not a timetable.
- Distances: great circle from published coordinates. They read short against a flown track, which is why the block time above applies a factor to them.
- Block and connection times: the same model the route calculator lower down this page runs, at the same rounding.
- Restrictions: the airport notes file, checked 2026-09-07.
- Industrial sites: public company information. Nothing here says or implies that any company named is a customer of any courier operator.
Who publishes this. OnBoard Courier is a placement desk in Dubai. An assignment is carried out by a vetted partner operator, with the desk as the single point of contact from the quote to the signature. This page exists because our own dispatchers need the answer for BKK to ICN in the twenty minutes before a promise is made, and a reference only one operator can read is not a reference. Free to read, quote and cite. Found an error? Tell us and we will correct it.
If you need something moved rather than looked up, the desk prices a hand carry in fifteen minutes.
- The BKK airport entry
- The ICN airport entry
- Hand carry into Thailand
- Hand carry into South Korea
- The written lane, Abu Dhabi to Bangkok
- The written lane, Bangkok to Frankfurt
- The written lane, Bangkok to Tokyo
- The route calculator
More pairs through BKK and ICN: Bangkok to Singapore, Taipei to Bangkok, London to Bangkok, Amsterdam to Bangkok, Paris to Bangkok, Bangkok to Hong Kong, Bangkok to Shanghai, Munich to Bangkok.