Typical price difference
-26%฿9,356 here compared with ฿12,559
One-way and roundtrip flights from Bangkok21°Mild
Flights to Seoul in September 2026
🏙️City🎉Nightlife
DepartureTue, Sep 15± 15 days
One way from ฿4,005 · Roundtrip from ฿7,176.Top deals
Flights and prices
How much are flights from Bangkok to Seoul?
Planning a trip to Seoul? Compare dates, airlines, flight times and direct options from Bangkok. 16 one-way fares from ฿4,005 · 320 roundtrips from ฿7,176. These results are for september 2026.
- One way from
- ฿4,005
- 16 outbound-only options
- Roundtrip from
- ฿7,176
- 320 complete trips
- Typical roundtrip
- ฿9,356
- Half cost less, half cost more
- Flight options
- 320
- Roundtrips available
Saved searches
Save this search
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Best Deals
Roundtrip deals
320 fares · from ฿7,176
Outbound and return flights together in one total fare.
Trip datesFlight itineraryTotal fareView
Sep 23 → Sep 296 nights
Roundtrip
- Depart
- Sep 23
- Return
- Sep 29
Out00:05BKK → ICN07:405h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated by
T'way Air
T'way Air฿7,176
฿12,483-43%
Save ฿5,307
T'way AirRoundtrip total฿7,176฿12,483−43%Save ฿5,307View deal
Cheapest in the next 365 daysDown from ฿8,225 on Sep 8
Sep 23 → Oct 916 nights
Roundtrip
- Depart
- Sep 23
- Return
- Oct 9
Out00:05BKK → ICN07:405h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byT'way Air
T'way Air฿7,415
฿12,483-41%
Save ฿5,068
T'way AirRoundtrip total฿7,415฿12,483−41%Save ฿5,068View deal
Lowest 10% in next 365 days
Sep 23 → Oct 512 nights
Roundtrip
- Depart
- Sep 23
- Return
- Oct 5
Out00:05BKK → ICN07:405h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byT'way Air
T'way Air฿7,415
฿12,483-41%
Save ฿5,068
T'way AirRoundtrip total฿7,415฿12,483−41%Save ฿5,068View deal
Lowest 10% in next 365 days
Sep 23 → Oct 1017 nights
Roundtrip
- Depart
- Sep 23
- Return
- Oct 10
Out00:05BKK → ICN07:405h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byT'way Air
T'way Air฿7,415
฿12,483-41%
Save ฿5,068
T'way AirRoundtrip total฿7,415฿12,483−41%Save ฿5,068View deal
Lowest 10% in next 365 days
Sep 23 → Oct 1118 nights
Roundtrip
- Depart
- Sep 23
- Return
- Oct 11
Out00:05BKK → ICN07:405h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byT'way Air
T'way Air฿7,415
฿12,483-41%
Save ฿5,068
T'way AirRoundtrip total฿7,415฿12,483−41%Save ฿5,068View deal
Lowest 10% in next 365 days
Sep 23 → Oct 613 nights
Roundtrip
- Depart
- Sep 23
- Return
- Oct 6
Out00:05BKK → ICN07:405h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byT'way Air
T'way Air฿7,415
฿12,483-41%
Save ฿5,068
T'way AirRoundtrip total฿7,415฿12,483−41%Save ฿5,068View deal
Lowest 10% in next 365 days
Sep 23 → Oct 714 nights
Roundtrip
- Depart
- Sep 23
- Return
- Oct 7
Out00:05BKK → ICN07:405h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byT'way Air
T'way Air฿7,545
฿12,483-40%
Save ฿4,938
T'way AirRoundtrip total฿7,545฿12,483−40%Save ฿4,938View deal
Lowest 10% in next 365 days
Sep 22 → Sep 297 nights
Roundtrip
- Depart
- Sep 22
- Return
- Sep 29
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated by
Thai VietJet AirT'way Air
Thai VietJet AirT'way Air฿7,648
฿12,483-39%
Save ฿4,835
Thai VietJet AirT'way AirRoundtrip total฿7,648฿12,483−39%Save ฿4,835View deal
Lowest 10% in next 365 days
Sep 22 → Oct 715 nights
Roundtrip
- Depart
- Sep 22
- Return
- Oct 7
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return12:10ICN → BKK16:005h 50m · Direct5h 50m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return12:10ICN16:00BKK5h 50mDirect
Operated byThai VietJet Air
Thai VietJet Air฿7,663
฿12,483-39%
Save ฿4,820
Thai VietJet AirRoundtrip total฿7,663฿12,483−39%Save ฿4,820View deal
Lowest 10% in next 365 days
Sep 22 → Oct 816 nights
Roundtrip
- Depart
- Sep 22
- Return
- Oct 8
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return12:10ICN → BKK16:005h 50m · Direct5h 50m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return12:10ICN16:00BKK5h 50mDirect
Operated byThai VietJet Air
Thai VietJet Air฿7,693
฿12,483-38%
Save ฿4,790
Thai VietJet AirRoundtrip total฿7,693฿12,483−38%Save ฿4,790View deal
Lowest 10% in next 365 days
Sep 23 → Oct 1421 nights
Roundtrip
- Depart
- Sep 23
- Return
- Oct 14
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return12:10ICN → BKK16:005h 50m · Direct5h 50m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return12:10ICN16:00BKK5h 50mDirect
Operated byThai VietJet Air
Thai VietJet Air฿7,732
฿12,483-38%
Save ฿4,751
Thai VietJet AirRoundtrip total฿7,732฿12,483−38%Save ฿4,751View deal
Lowest 10% in next 365 days
Sep 23 → Sep 285 nights
Roundtrip
- Depart
- Sep 23
- Return
- Sep 28
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return12:10ICN → BKK16:005h 50m · Direct5h 50m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return12:10ICN16:00BKK5h 50mDirect
Operated byThai VietJet Air
Thai VietJet Air฿7,740
฿12,483-38%
Save ฿4,743
Thai VietJet AirRoundtrip total฿7,740฿12,483−38%Save ฿4,743View deal
Lowest 10% in next 365 days
Sep 22 → Oct 917 nights
Roundtrip
- Depart
- Sep 22
- Return
- Oct 9
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return20:05ICN → BKK00:106h 5m · Direct6h 5m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return20:05ICN00:10BKK6h 5mDirect
Operated byThai VietJet Air
Jeju Air
Thai VietJet AirJeju Air฿7,785
฿12,483-38%
Save ฿4,698
Thai VietJet AirJeju AirRoundtrip total฿7,785฿12,483−38%Save ฿4,698View deal
Lowest 10% in next 365 days
Sep 22 → Oct 1018 nights
Roundtrip
- Depart
- Sep 22
- Return
- Oct 10
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return20:05ICN → BKK00:106h 5m · Direct6h 5m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return20:05ICN00:10BKK6h 5mDirect
Operated byThai VietJet AirJeju Air
Thai VietJet AirJeju Air฿7,785
฿12,483-38%
Save ฿4,698
Thai VietJet AirJeju AirRoundtrip total฿7,785฿12,483−38%Save ฿4,698View deal
Lowest 10% in next 365 days
Sep 18 → Sep 2911 nights
Roundtrip
- Depart
- Sep 18
- Return
- Sep 29
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byThai VietJet AirT'way Air
Thai VietJet AirT'way Air฿7,798
฿12,483-38%
Save ฿4,685
Thai VietJet AirT'way AirRoundtrip total฿7,798฿12,483−38%Save ฿4,685View deal
Lowest 10% in next 365 days
Sep 21 → Sep 298 nights
Roundtrip
- Depart
- Sep 21
- Return
- Sep 29
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byThai VietJet AirT'way Air
Thai VietJet AirT'way Air฿7,798
฿12,483-38%
Save ฿4,685
Thai VietJet AirT'way AirRoundtrip total฿7,798฿12,483−38%Save ฿4,685View deal
Lowest 10% in next 365 days
Sep 20 → Sep 299 nights
Roundtrip
- Depart
- Sep 20
- Return
- Sep 29
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return18:00ICN → BKK22:056h 5m · Direct6h 5m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return18:00ICN22:05BKK6h 5mDirect
Operated byThai VietJet AirT'way Air
Thai VietJet AirT'way Air฿7,798
฿12,483-38%
Save ฿4,685
Thai VietJet AirT'way AirRoundtrip total฿7,798฿12,483−38%Save ฿4,685View deal
Lowest 10% in next 365 days
Sep 22 → Oct 614 nights
Roundtrip
- Depart
- Sep 22
- Return
- Oct 6
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return20:05ICN → BKK00:106h 5m · Direct6h 5m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return20:05ICN00:10BKK6h 5mDirect
Operated byThai VietJet AirJeju Air
Thai VietJet AirJeju Air฿7,805
฿12,483-37%
Save ฿4,678
Thai VietJet AirJeju AirRoundtrip total฿7,805฿12,483−37%Save ฿4,678View deal
Lowest 10% in next 365 days
Sep 22 → Sep 264 nights
Roundtrip
- Depart
- Sep 22
- Return
- Sep 26
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return12:10ICN → BKK16:005h 50m · Direct5h 50m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return12:10ICN16:00BKK5h 50mDirect
Operated byThai VietJet Air
Thai VietJet Air฿7,820
฿12,483-37%
Save ฿4,663
Thai VietJet AirRoundtrip total฿7,820฿12,483−37%Save ฿4,663View deal
Lowest 10% in next 365 days
Sep 22 → Sep 275 nights
Roundtrip
- Depart
- Sep 22
- Return
- Sep 27
Out02:25BKK → ICN10:005h 35m · Direct5h 35m · Direct
Return12:10ICN → BKK16:005h 50m · Direct5h 50m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Return12:10ICN16:00BKK5h 50mDirect
Operated byThai VietJet Air
Thai VietJet Air฿7,820
฿12,483-37%
Save ฿4,663
Thai VietJet AirRoundtrip total฿7,820฿12,483−37%Save ฿4,663View deal
Lowest 10% in next 365 days
One-way deals
16 fares · from ฿4,005
Outbound fare only — add a return separately if you need one.
Trip datesFlight itineraryTotal fareView
wed · Sep 23One way
Departurewed · Sep 23
One way2026
00:05BKK → ICN07:405h 35m · Direct
Outbound00:05BKK07:40ICN5h 35mDirect
Operated byT'way Air
T'way Air฿4,005
฿6,539-39%
฿2,534 below average
T'way AirOne-way fare฿4,005฿6,539−39%Save ฿2,534View deal
Cheapest in the next 365 days
tue · Sep 22One way
Departuretue · Sep 22
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,161
฿6,539-36%
฿2,378 below average
Thai VietJet AirOne-way fare฿4,161฿6,539−36%Save ฿2,378View deal
Lowest 10% in next 365 daysDown from ฿4,185 on Jul 31
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฿4,302
฿6,539-34%
฿2,237 below average
Thai VietJet AirOne-way fare฿4,302฿6,539−34%Save ฿2,237View deal
Lowest 10% in next 365 daysDown from ฿4,037 on Aug 29
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฿4,302
฿6,539-34%
฿2,237 below average
Thai VietJet AirOne-way fare฿4,302฿6,539−34%Save ฿2,237View deal
Lowest 10% in next 365 daysDown from ฿3,839 on Aug 29
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฿4,302
฿6,539-34%
฿2,237 below average
Thai VietJet AirOne-way fare฿4,302฿6,539−34%Save ฿2,237View deal
Lowest 10% in next 365 days
wed · Sep 16One way
Departurewed · Sep 16
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿4,384
฿6,539-33%
฿2,155 below average
Thai VietJet AirOne-way fare฿4,384฿6,539−33%Save ฿2,155View deal
Lowest 10% in next 365 days
thu · Sep 24One way
Departurethu · Sep 24
One way2026
00:45BKK → ICN08:255h 40m · Direct
Outbound00:45BKK08:25ICN5h 40mDirect
Operated by
Jin Air
Jin Air฿4,770
฿6,539-27%
฿1,769 below average
Jin AirOne-way fare฿4,770฿6,539−27%Save ฿1,769View 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฿4,780
฿6,539-27%
฿1,759 below average
Thai VietJet AirOne-way fare฿4,780฿6,539−27%Save ฿1,759View deal
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฿4,793
฿6,539-27%
฿1,746 below average
Thai VietJet AirOne-way fare฿4,793฿6,539−27%Save ฿1,746View deal
mon · Sep 28One way
Departuremon · Sep 28
One way2026
14:35BKK → ICN01:106h 45m · 1 stop
1h 50m layover Phú Quốc
Outbound14:35BKK01:10ICN6h 45m1 stop · via Phú Quốc
Operated by
VietJet AirThai VietJet Air
VietJet AirThai VietJet Air฿5,255
฿6,539-20%
฿1,284 below average
VietJet AirThai VietJet AirOne-way fare฿5,255฿6,539−20%Save ฿1,284View deal
tue · Sep 15One way
Departuretue · Sep 15
One way2026
13:10BKK → ICN01:256h 45m · 1 stop
3h 30m layover Phú Quốc
Outbound13:10BKK01:25ICN6h 45m1 stop · via Phú Quốc
Operated by9GVietJet Air
VietJet Air฿5,412
฿6,539-17%
฿1,127 below average
9GVietJet Air
VietJet AirOne-way fare฿5,412฿6,539−17%Save ฿1,127View deal
tue · Sep 29One way
Departuretue · Sep 29
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿5,574
฿6,539-15%
฿965 below average
Thai VietJet AirOne-way fare฿5,574฿6,539−15%Save ฿965View deal
sat · Sep 19One way
Departuresat · Sep 19
One way2026
19:05BKK → ICN05:506h 15m · 1 stop
2h 30m layover Hanoi
Outbound19:05BKK05:50ICN6h 15m1 stop · via Hanoi
Operated by
Vietnam Airlines
Vietnam Airlines฿5,681
฿6,539-13%
฿858 below average
Vietnam AirlinesOne-way fare฿5,681฿6,539−13%Save ฿858View deal
thu · Sep 17One way
Departurethu · Sep 17
One way2026
22:45BKK → ICN06:155h 30m · Direct
Outbound22:45BKK06:15ICN5h 30mDirect
Operated by
Air Premia
Air Premia฿5,905
฿6,539-10%
฿634 below average
Air PremiaOne-way fare฿5,905฿6,539−10%Save ฿634View deal
sat · Sep 26One way
Departuresat · Sep 26
One way2026
02:25BKK → ICN10:005h 35m · Direct
Outbound02:25BKK10:00ICN5h 35mDirect
Operated byThai VietJet Air
Thai VietJet Air฿6,089
฿6,539-7%
฿450 below average
Thai VietJet AirOne-way fare฿6,089฿6,539−7%Save ฿450View deal
sun · Sep 27One way
Departuresun · Sep 27
One way2026
18:50DMK → ICN07:057h 50m · 1 stop
2h 25m layover Phuket City
Outbound18:50DMK07:05ICN7h 50m1 stop · via Phuket City
Operated by
Nok Air
Asiana Airlines
Nok AirAsiana Airlines฿8,590
Nok AirAsiana AirlinesCurrent fare
One-way fare฿8,590Current fareView deal
9 seats left
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
81%+11 points compared with other flights
Typical flight time
5h 35m— longer than the comparison
Roundtrip options
320Trips 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฿7,176
Typical low฿8,286
Typical฿9,356
Typical high฿10,503
Flexible dates
Cheapest departure dates for Seoul
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿10,451
Sep 15
฿8,494
Sep 16
฿9,855
Sep 17
฿8,131
Sep 18
฿9,899
Sep 19
฿8,034
Sep 20
฿8,034
Sep 21
฿7,893
Sep 22
฿7,910
Sep 23
฿8,431
Sep 24
฿8,506
Sep 25
฿9,956
Sep 26
฿12,509
Sep 27
฿9,206
Sep 28
฿9,356
Sep 29
฿8,526
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 |
|---|---|---|---|---|
| 1T'way Air | ฿7,176 | ฿8,131–฿9,899 | 97 | 82% |
| 2Thai VietJet Air | ฿7,648 | ฿8,138–฿10,286 | 234 | 83% |
| 3Jeju Air | ฿7,785 | ฿7,956–฿9,736 | 43 | 86% |
| 4Jin Air | ฿7,910 | ฿8,721–฿11,170 | 65 | 88% |
| 5VietJet Air | ฿8,702 | ฿8,996–฿10,854 | 31 | 0% |
| 6Air Premia | ฿9,268 | ฿9,602–฿11,310 | 43 | 91% |
| 79G | ฿9,299 | — | 5 | — |
| 8Vietnam Airlines | ฿9,400 | — | 8 | — |
| 9Thai AirAsia | ฿9,680 | — | 2 | — |
| 10Scoot | ฿11,032 | — | 6 | — |
| 11Nok Air | ฿12,048 | ฿12,161–฿13,860 | 19 | — |
| 12Asiana Airlines | ฿12,048 | ฿12,161–฿13,850 | 20 | 5% |
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
- Usual temperature, not a forecast
- Trip styles
- City, Nightlife
- Bangkok departure airports
- BKK, DMK
- Airports represented in the current fare results
- Arrival airports
- ICN
- Airports represented in the current fare results
- Typical outbound from Bangkok
- 5h 35m
- Typical stay
- 12 nights
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 ฿4,005. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Seoul?
The lowest available roundtrip fare is ฿7,176. Check the dates, baggage and final total before booking.
What is a typical fare for Seoul?
A typical fare is ฿9,356. Many available options sit between ฿8,286 and ฿10,503.
How many choices are available for Seoul?
Choose from 320 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Seoul?
259 roundtrip flights are non-stop both ways. That is 81% of the current choices.
Which month has the lowest fares for Seoul?
Sep 2026 has the lowest available roundtrip fare, from ฿7,176.
What is the cheapest flight from Bangkok to Seoul?
The lowest currently observed flight from Bangkok to Seoul is ฿7,176. Confirm the final itinerary total and availability before booking.
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.