Please be aware that Seoul and Bangkok has multiple airports and that these results are for all airports serving the city.
The best day to arrive at Seoul is Monday and it would be best to avoid Friday, as prices are on average 104.42% higher than on Monday. (Average prices, based on 246 datapoints.)
The cheapest airline flying from Seoul to Bangkok is Jeju Air. They are 67% cheaper than Korean Air. (Average prices, based on 208 datapoints.)
The best time to fly is at around 11. (Average prices, based on 306 datapoints.)
Analyse prices for Surabaya
Analyse prices for Jakarta
Analyse prices for Makassar
Analyse prices for Kupang
Analyse prices for Semarang
Analyse prices for Medan
Analyse prices for Yogyakarta
Analyse prices for Batam
Analyse prices for Manado
Analyse prices for Denpasar Bali
Analyse prices for Bandung
Analyse prices for Timika