Daegu
South Korea
One way
Aug 21Fri
One-way fare
฿3,910Steal
฿4,597 below one-way average
T'way Air
One way
Bangkok to Seoul
1 stop · Hanoi
15:55BKK → ICN05:30
5h 45m · 1 stop
5h 50m layover Hanoi
฿5,754
฿5,944-3%
฿190 below average
Vietnam AirlinesCheapest of December 2026
Exact-itinerary fare history
Near tracked low
Route avg. ฿5,944
- First seen
- ฿5,827
- Tracked low
- ฿5,740
- Now
- ฿5,754
View one-way fare
Continue to secure booking
One-way itinerary
Outbound flight only
One-way itinerary
Outbound flight only
OutboundDecember 4·Friday
15:55
BKK
1 stop5h 45m
05:30
ICNGMT+9
- BKK15:55HAN17:501h 55m
- 5h 50m layover in Hanoi
- HAN23:40ICN05:303h 50m
Baggage varies — check booking details.
Nearby one-way departures to Seoul15 days around December 4, 2026
AvgMinp25–p75
Cheapest
฿5,754
Dec 4
Global average
฿5,944
All travel dates
December avg
฿6,835
Selected month
One-way price check
Compared only with historical one-way fares on this route
฿5,754
One-way low ฿3,715One-way high ฿8,565
Current fare
฿5,754
One-way average
฿5,944
This month
฿7,071
Deal score
45/100
One-way price history
This itinerary’s recorded one-way fare over time
Jul 20 – Jul 23 · Price History
LowestHighest▼ 1% since Jul 20
Seoul
0°C
Cold
0km
Distance
KRW
Currency
FAQ about Seoul
What is the cheapest flight from Bangkok to Seoul?
The cheapest flight we've found from Bangkok to Seoul is ฿3,715. Prices change frequently, so check back often for the latest deals.
What is the average flight price from Bangkok to Seoul?
The average price for flights from Bangkok to Seoul is around ฿5,944. You can save up to 38% by booking the cheapest available deal.
When is the best time to fly from Bangkok to Seoul?
Prices vary throughout the year. Use the month filter on this page to find the cheapest time to fly from Bangkok to Seoul.
Are there direct flights from Bangkok to Seoul?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Seoul.
Do I need a visa to visit Seoul, South Korea?
Visa requirements depend on your nationality. We recommend checking with the embassy or consulate of South Korea for the most up-to-date visa information before booking your flight.
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Similar one-way deals
Dec 4
฿5,754฿5,944
-3%฿190 below average