Business class fares › From Seoul › Bangkok

Seoul to Bangkok business class (SEL–BKK)

The cheapest round-trip business class fare from Seoul to Bangkok seen on Aviasales in recent days is €661 ($731), departing 21 Nov 2026 and returning 28 Nov 2026, 1 stop, sold by Trip.com (seen 7 Nov 2026, checked 14 Nov 2026). €661 is in line with this route's 13-day average of €662 (range €657–€667 since 2026-10-25). Search these dates: https://flat.flights/go/seoul-to-bangkok/?d=2026-11-21&r=2026-11-28

Business class fares found (14 Nov 2026)

Round trip	USD	Outbound	Return	Stops	Sold by	Book
€661	$731	21 Nov 2026	28 Nov 2026	1 stop	Trip.com	1 adult · 2 adults
€677	$748	8 Dec 2026	17 Dec 2026	1 stop	Mytrip.com	1 adult · 2 adults

One adult, business cabin, as last seen by Aviasales users; price and availability change. The live search shows today's fares for other dates.

Price data: Seoul to Bangkok business class

Cheapest round trip now: €661 ($731)
Is it a good price? €661 is in line with this route's 13-day average of €662 (range €657–€667 since 2026-10-25).
Cheapest departure month seen in the next 6 months: November 2026 (from €661, $731)
Over the last 13 days (since 25 Oct 2026) the cheapest daily fare averaged €662, ranging €657–€667.
Great-circle distance: 3,722 km (2,313 miles)

Departure month	From (EUR)	From (USD)
November 2026	€661	$731
December 2026	€677	$748

First class, nonstop, one way & cabin options: Seoul to Bangkok

No nonstop business class round trip departing in the next 6 months was seen.
Cheapest one-way Business seen: €420 ($464), departing 4 Dec 2026, 1 stop (seen 13 Nov 2026). Search one-way Business
Budget-premium alternative: Compare Premium Economy on Seoul to Bangkok
Nonstop flights seen in recent searches include (checked 11 Nov 2026; any cabin, a sample, not the full schedule; numbers joined by "/" are one flight sold by several airlines): Jeju Air 7C 2503 (ICN–BKK); Jeju Air 7C 9984 (ICN–BKK); Trinity Airways TW 101 (ICN–BKK); Thai Vietjet Air VZ 851 (ICN–BKK); Air Premia YP 601 (ICN–BKK); Eastar Jet ZE 511 (ICN–BKK).
Lie-flat business seat: Not known. At 3,722 km this route is often flown by narrow-body aircraft with recliner business seats; the aircraft is not in the fare data.

Route facts

From: Seoul, South Korea (airports: GMP, ICN)
To: Bangkok, Thailand (airports: BKK, DMK)
Fares cover every airport of both cities; the live search lets you pick a specific airport.

Book

Search Seoul to Bangkok business class (1 adult) · Search for 2 adults · Premium Economy

Link to share: https://flat.flights/go/seoul-to-bangkok/

Arrival & stay in Bangkok

Hotels in Bangkok (2026-11-21 → 2026-11-28): Compare 5-star & business hotels
Airport transfer in Bangkok: Book private airport pickup
Mobile data in Thailand: Thailand travel eSIM (instant activation)

FAQ

How much is business class from Seoul to Bangkok?

When is business class from Seoul to Bangkok cheapest?

Among departures in the next 6 months seen in recent searches, the cheapest month is November 2026, from €661 ($731) round trip.

Is there a nonstop business class fare from Seoul to Bangkok?

None of the cheapest business class fares seen recently is nonstop; the cheapest options have 1 stop. Nonstop flights may exist at higher prices.