January is by far the best month, wherein you can get cheapest flights for Bangkok to Seoul. Meanwhile, February is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
One Way Fare January- During this month the footfall is less so, the flight is gradually inexpensive.
Round Trip Fare January - is the cheapest month to book round trip flights.
Cheapest Fare- Currently, this is the fare price based on the current demand.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
Bangkok
02:10
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
13:50
Incheon International Airport [ICN]
Tue, 20 Jan 2026
Bangkok
08:00
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
15:25
Incheon International Airport [ICN]
Tue, 20 Jan 2026
Bangkok
10:35
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
22:45
Incheon International Airport [ICN]
Tue, 20 Jan 2026
Bangkok
21:30
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
04:45
Incheon International Airport [ICN]
Wed, 21 Jan 2026
Bangkok
09:15
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
22:00
Incheon International Airport [ICN]
Tue, 20 Jan 2026
Bangkok
02:35
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
19:15
Incheon International Airport [ICN]
Tue, 20 Jan 2026
Bangkok
11:20
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
21:15
Incheon International Airport [ICN]
Tue, 20 Jan 2026
Bangkok
19:35
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
06:30
Incheon International Airport [ICN]
Wed, 21 Jan 2026
Bangkok
02:15
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
18:45
Incheon International Airport [ICN]
Tue, 20 Jan 2026
Bangkok
22:45
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
13:05
Incheon International Airport [ICN]
Wed, 21 Jan 2026
Bangkok
18:40
Suvarnabhumi Airport [BKK]
Tue , 20 Jan 2026
Seoul
06:30
Incheon International Airport [ICN]
Wed, 21 Jan 2026
To crack the better offer on Bangkok to Seoul flights, it’s better to make advanced bookings at least few weeks prior of your intended date because price might rise eventually due to the delay.
Weekdays are the best day to get low-cost flight tickets from Bangkok to Seoul. However, it depends on a certain factor. If the demand is high and festivals are there, then prices could be a little high.
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