The cheapest one-way ticket from Seoul to Bangkok found recently is 120€, on 7 Jul (July 2027, direct). The most expensive month is February 2027, from 155€. Round trips start at 247€, in June 2027. There are direct flights, the shortest taking 5h 50m. Airlines on this route: Thai Vietjet Air, Vietnam Airlines, Shandong Airlines, HK Express, Vietjet, China Eastern.
Lowest fare by month
| Month | One way | Round trip |
|---|---|---|
| November 2026 | 135€23 Nov · 1 stop | 260€19 Nov–28 Nov · 1 stop |
| December 2026 | 135€5 Dec · 1 stop | 264€1 Dec–11 Dec · 1 stop |
| January 2027 | 153€17 Jan · 1 stop | 283€25 Jan–3 Feb · 1 stop |
| February 2027 | 155€20 Feb · 1 stop | 306€27 Feb–6 Mar · 1 stop |
| March 2027 | 121€3 Mar · direct | 267€4 Mar–11 Mar · 1 stop |
| April 2027 | 126€3 Apr · direct | 287€21 Apr–28 Apr · 1 stop |
| May 2027 | 122€27 May · direct | — |
| June 2027 | — | 247€12 Jun–2 Jul · direct |
| July 2027 | 120€7 Jul · direct | 282€7 Jul–28 Jul · 1 stop |
| August 2027 | 128€27 Aug · direct | 263€22 Aug–28 Aug · direct |
| September 2027 | 132€24 Sept · direct | — |
| October 2027 | 139€16 Oct · 1 stop | 283€4 Oct–9 Oct · 1 stop |
Cheapest days in July 2027
One way, per adult. Blank days: nobody searched them lately.
At a glance
- Airports
- GMP · ICN → BKK · DMK
- Airlines
- Thai Vietjet Air, Vietnam Airlines, Shandong Airlines, HK Express, Vietjet, China Eastern
- Direct flights
- Yes, direct fares were seen
The rest of the trip to Bangkok
- Internet when you land ↗An eSIM for the country, set up before you fly. Handy outside the EU, or when roaming costs extra.
- A ride from the airport ↗A driver waiting at arrivals, at a fixed price.
- Rent a car ↗Cars from local rental companies around the country.
- Things to do in Bangkok ↗Tickets for museums, tours and sights.
Flight delayed by three hours or more, or cancelled? Under EU rules you may be owed up to €600. Check your claim.
Frequently asked questions
How much is a flight from Seoul to Bangkok?
The cheapest one-way ticket found recently is 120€, in July 2027. A round trip starts at 247€. Fares are per adult and change often.
What is the cheapest month to fly from Seoul to Bangkok?
July 2027, from 120€ one way. The most expensive is February 2027, from 155€.
Are there direct flights from Seoul to Bangkok?
Yes, direct fares were found on this route in recent days.
How long is the flight from Seoul to Bangkok?
The shortest flight found takes 5h 50m.
Which airlines fly from Seoul to Bangkok?
Thai Vietjet Air, Vietnam Airlines, Shandong Airlines, HK Express, Vietjet, China Eastern.
Which airports do flights from Seoul to Bangkok use?
They leave from GMP, ICN and land at BKK, DMK.
Want to know when it gets cheaper?
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Watch this routeFares are the lowest travellers found in recent days' searches, per adult. They change: check the price before you book. Booking links go to our travel partner and are affiliate links: if you book through them we earn a small commission, at no cost to you.