Typical price difference
-13%฿9,665 here compared with ฿11,060
One-way and roundtrip flights from Bangkok21°Mild
Flights to Seoul in September 2026
🏙️City🎉Nightlife
DepartureTue, Sep 15± 15 days
- Lowest fare
- ฿4,139 Sep 22
- Roundtrip from
- ฿7,628
- Typical roundtrip
- ฿9,665
Top deals
Flights and prices
Seoul: prices, dates and useful details
Planning a trip to Seoul? Compare dates, airlines, flight times and direct options from Bangkok. 30 one-way fares from ฿4,139 · 599 roundtrips from ฿7,628. These results are for september 2026.
- One way from
- ฿4,139
- 30 outbound-only options
- Roundtrip from
- ฿7,628
- 599 complete trips
- Typical roundtrip
- ฿9,665
- Half cost less, half cost more
- Flight options
- 599
- Roundtrips available
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Daily prices to Seoul15 days around September 15, 2026
AvgMinp25–p75
Cheapest
฿4,139
Sep 22
Global average
฿5,974
All travel dates
September avg
฿5,184
Selected month
Sort bySort by
Best Deals
Trip datesFlight itineraryTotal fareView
tue · Sep 22One way
Departuretue · Sep 22
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated by
Thai VietJet Air
Thai VietJet Air฿4,139
฿5,974-31%
฿1,835 below average
Thai VietJet AirOne-way fare฿4,139฿5,974−31%Save ฿1,835View deal
Cheapest in the next 365 days
wed · Sep 23One way
Departurewed · Sep 23
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,179
฿5,974-30%
฿1,795 below average
Thai VietJet AirOne-way fare฿4,179฿5,974−30%Save ฿1,795View deal
Lowest 10% in next 365 days
mon · Sep 21One way
Departuremon · Sep 21
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,182
฿5,974-30%
฿1,792 below average
Thai VietJet AirOne-way fare฿4,182฿5,974−30%Save ฿1,792View deal
Lowest 10% in next 365 days
thu · Sep 24One way
Departurethu · Sep 24
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,194
฿5,974-30%
฿1,780 below average
Thai VietJet AirOne-way fare฿4,194฿5,974−30%Save ฿1,780View deal
Lowest 10% in next 365 days
fri · Sep 25One way
Departurefri · Sep 25
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,580
฿5,974-23%
฿1,394 below average
Thai VietJet AirOne-way fare฿4,580฿5,974−23%Save ฿1,394View deal
wed · Sep 30One way
Departurewed · Sep 30
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,610
฿5,974-23%
฿1,364 below average
Thai VietJet AirOne-way fare฿4,610฿5,974−23%Save ฿1,364View deal
mon · Sep 14One way
Departuremon · Sep 14
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated by
T'way Air
T'way Air฿4,683
฿5,974-22%
฿1,291 below average
T'way AirOne-way fare฿4,683฿5,974−22%Save ฿1,291View deal
sun · Sep 13One way
Departuresun · Sep 13
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated byT'way Air
T'way Air฿4,683
฿5,974-22%
฿1,291 below average
T'way AirOne-way fare฿4,683฿5,974−22%Save ฿1,291View deal
thu · Sep 10One way
Departurethu · Sep 10
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated byT'way Air
T'way Air฿4,683
฿5,974-22%
฿1,291 below average
T'way AirOne-way fare฿4,683฿5,974−22%Save ฿1,291View deal
tue · Sep 15One way
Departuretue · Sep 15
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated byT'way Air
T'way Air฿4,683
฿5,974-22%
฿1,291 below average
T'way AirOne-way fare฿4,683฿5,974−22%Save ฿1,291View deal
wed · Sep 16One way
Departurewed · Sep 16
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated byT'way Air
T'way Air฿4,683
฿5,974-22%
฿1,291 below average
T'way AirOne-way fare฿4,683฿5,974−22%Save ฿1,291View deal
wed · Sep 9One way
Departurewed · Sep 9
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated byT'way Air
T'way Air฿4,683
฿5,974-22%
฿1,291 below average
T'way AirOne-way fare฿4,683฿5,974−22%Save ฿1,291View deal
tue · Sep 8One way
Departuretue · Sep 8
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated byT'way Air
T'way Air฿4,855
฿5,974-19%
฿1,119 below average
T'way AirOne-way fare฿4,855฿5,974−19%Save ฿1,119View deal
tue · Sep 29One way
Departuretue · Sep 29
One way2026
00:45BKK → ICN08:255h 40m · Direct
Outbound00:45BKK08:25ICN5h 40mDirect
Operated by
Jin Air
Jin Air฿4,907
฿5,974-18%
฿1,067 below average
Jin AirOne-way fare฿4,907฿5,974−18%Save ฿1,067View deal
fri · Sep 4One way
Departurefri · Sep 4
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,987
฿5,974-17%
฿987 below average
Thai VietJet AirOne-way fare฿4,987฿5,974−17%Save ฿987View deal
mon · Sep 7One way
Departuremon · Sep 7
One way2026
21:00BKK → ICN06:406h 40m · 1 stop
1h layover Ho Chi Minh City
Outbound21:00BKK06:40ICN6h 40m1 stop · via Ho Chi Minh City
Operated by
Vietnam Airlines
Vietnam Airlines฿5,001
฿5,974-16%
฿973 below average
Vietnam AirlinesOne-way fare฿5,001฿5,974−16%Save ฿973View deal
sun · Sep 20One way
Departuresun · Sep 20
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿5,020
฿5,974-16%
฿954 below average
Thai VietJet AirOne-way fare฿5,020฿5,974−16%Save ฿954View deal
mon · Aug 31One way
Departuremon · Aug 31
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿5,141
฿5,974-14%
฿833 below average
Thai VietJet AirOne-way fare฿5,141฿5,974−14%Save ฿833View deal
fri · Sep 18One way
Departurefri · Sep 18
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿5,141
฿5,974-14%
฿833 below average
Thai VietJet AirOne-way fare฿5,141฿5,974−14%Save ฿833View deal
fri · Sep 11One way
Departurefri · Sep 11
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿5,163
฿5,974-14%
฿811 below average
Thai VietJet AirOne-way fare฿5,163฿5,974−14%Save ฿811View deal
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
See the difference
September 2026 at a glance
Compare price, non-stop choice and travel time with other Seoul options.
Non-stop options
87%-3 points compared with other flights
Typical flight time
5h 35m— longer than the comparison
Roundtrip options
599Trips ready to compare
Typical prices
What do Seoul roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Lowest฿7,628
Typical low฿8,691
Typical฿9,665
Typical high฿10,682
Flexible dates
Cheapest departure dates for Seoul
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿9,077
Sep 1
฿9,100
Sep 2
฿10,309
Sep 3
฿9,269
Sep 4
฿10,546
Sep 5
฿9,430
Sep 6
฿9,289
Sep 7
฿8,712
Sep 8
฿8,592
Sep 9
฿8,870
Sep 10
฿9,648
Sep 11
฿9,688
Sep 12
฿9,650
Sep 13
฿9,650
Sep 14
฿9,650
Sep 15
฿9,294
Sep 16
฿10,649
Sep 17
฿9,569
Sep 18
฿10,102
Sep 19
฿9,416
Sep 20
฿8,535
Sep 21
฿8,490
Sep 22
฿8,521
Sep 23
฿8,509
Sep 24
฿8,948
Sep 25
฿10,150
Sep 26
฿12,149
Sep 27
฿11,515
Sep 28
฿9,351
Sep 29
฿8,980
Sep 30
Flexible timing
Compare Seoul by travel month
Open a month to compare its dates, prices and available flights.
Airline comparison
Which airlines show the lowest Seoul fares?
Some trips combine airlines, so check both flights before you book.
| Comparison | Lowest | Typical range | Results | Non-stop |
|---|---|---|---|---|
| 1Thai VietJet Air | ฿7,628 | ฿8,527–฿10,573 | 347 | 94% |
| 2Jin Air | ฿8,014 | ฿8,870–฿10,083 | 108 | 96% |
| 3Thai AirAsia | ฿8,261 | ฿9,003–฿10,833 | 109 | 82% |
| 4T'way Air | ฿8,414 | ฿8,950–฿10,539 | 254 | 91% |
| 5Jeju Air | ฿9,173 | ฿9,592–฿11,212 | 54 | 100% |
| 6Vietnam Airlines | ฿9,488 | ฿10,333–฿11,142 | 20 | 0% |
| 7Scoot | ฿9,650 | ฿10,089–฿11,139 | 40 | 0% |
| 8Air Premia | ฿9,902 | ฿10,129–฿11,324 | 35 | 91% |
| 9Thai Airways | ฿10,243 | ฿10,356–฿11,731 | 33 | 91% |
| 10Asiana Airlines | ฿11,883 | ฿12,070–฿12,553 | 18 | — |
| 11Nok Air | ฿11,883 | ฿12,109–฿12,553 | 17 | — |
| 12Air China | ฿11,987 | — | 1 | — |
Weather through the year
Typical temperatures in Seoul
Usual monthly temperatures can help you choose when to go. They are not a live forecast.
-3°Jan
-1°Feb
5°Mar
12°Apr
18°May
23°Jun
25°Jul
26°Aug
21°Sep
14°Oct
7°Nov
0°Dec
Useful trip facts
What to know about Seoul
- Country
- South Korea
- Arrival code
- SEL
- Typical annual temperature
- 12°C
- Trip styles
- City, Nightlife
- Typical outbound from Bangkok
- 5h 35m
- Typical stay
- 12 nights
Usual temperature, not a forecast
Why go
Why travelers consider Seoul
A dynamic fusion of ancient palaces and neon-lit skyscrapers, Seoul pulses with K-pop energy, world-class street food, cutting-edge technology, and a nightlife scene that rarely sleeps, all set against a backdrop of forested mountains.
Explore related searches
Common questions about Seoul
What is the lowest available one-way fare for Seoul?
The lowest available one-way fare is ฿4,139. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Seoul?
The lowest available roundtrip fare is ฿7,628. Check the dates, baggage and final total before booking.
What is a typical fare for Seoul?
A typical fare is ฿9,665. Many available options sit between ฿8,691 and ฿10,682.
How many choices are available for Seoul?
Choose from 599 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Seoul?
520 roundtrip flights are non-stop both ways. That is 87% of the current choices.
Which month has the lowest fares for Seoul?
Sep 2026 has the lowest available roundtrip fare, from ฿7,628.
When is the best time to fly from Bangkok to Seoul?
Based on current prices, September 2026 offers some of the best deals from Bangkok to Seoul. Check the month-by-month breakdown on this page for the cheapest times to fly.
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.