Seoul, South Korea — cheap flights destination

South Korea · current one-way and roundtrip prices

Bangkok to Seoul flight deals

🏙️City🎉Nightlife

One way from ฿3,896 · Roundtrip from ฿7,113.

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. 198 one-way fares from ฿3,896 · 3,953 roundtrips from ฿7,113.

One way from: ฿3,896; 198 outbound-only options
Roundtrip from: ฿7,113; 3,953 complete trips
Typical roundtrip: ฿10,982; Half cost less, half cost more
Flight options: 3,953; Roundtrips available

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Best Deals

Roundtrip deals

3,953 fares · from ฿7,113

Outbound and return flights together in one total fare.

Show only roundtrip

Departure month

September 2026

Seoul

Weather21°Mild

Typical roundtrip฿11,228

Cheapest roundtrip฿7,113

฿11,228−37%

Sep 25 → Sep 29Save ฿4,115

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Departure month

October 2026

Seoul

Weather14°Mild

Typical roundtrip฿11,228

Cheapest roundtrip฿7,350

฿11,228−35%

Oct 1 → Oct 6Save ฿3,878

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Departure month

March 2027

Seoul

Weather5°Cold

Typical roundtrip฿11,228

Cheapest roundtrip฿8,631

฿11,228−23%

Mar 4 → Mar 8Save ฿2,597

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Departure month

February 2027

Seoul

Weather-1°Cold

Typical roundtrip฿11,228

Cheapest roundtrip฿8,731

฿11,228−22%

Feb 26 → Mar 8Save ฿2,497

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Departure month

January 2027

Seoul

Weather-3°Cold

Typical roundtrip฿11,228

Cheapest roundtrip฿9,195

฿11,228−18%

Jan 22 → Feb 7Save ฿2,033

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Departure month

November 2026

Seoul

Weather7°Cold

Typical roundtrip฿11,228

Cheapest roundtrip฿9,229

฿11,228−18%

Nov 1 → Nov 12Save ฿1,999

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Departure month

December 2026

Seoul

Weather0°Cold

Typical roundtrip฿11,228

Cheapest roundtrip฿9,461

฿11,228−16%

Dec 12 → Dec 15Save ฿1,767

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One-way deals

198 fares · from ฿3,896

Outbound fare only — add a return separately if you need one.

Show only one way

Departure month

October 2026

Seoul

Weather14°Mild

Typical one way฿5,672

Cheapest one-way fare฿3,896

฿5,672−31%

Oct 1Save ฿1,776

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Departure month

September 2026

Seoul

Weather21°Mild

Typical one way฿5,672

Cheapest one-way fare฿3,896

฿5,672−31%

Sep 21Save ฿1,776

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Departure month

March 2027

Seoul

Weather5°Cold

Typical one way฿5,672

Cheapest one-way fare฿4,649

฿5,672−18%

Mar 4Save ฿1,023

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Departure month

January 2027

Seoul

Weather-3°Cold

Typical one way฿5,672

Cheapest one-way fare฿4,662

฿5,672−18%

Jan 22Save ฿1,010

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Departure month

February 2027

Seoul

Weather-1°Cold

Typical one way฿5,672

Cheapest one-way fare฿4,677

฿5,672−18%

Feb 4Save ฿995

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Departure month

November 2026

Seoul

Weather7°Cold

Typical one way฿5,672

Cheapest one-way fare฿4,757

฿5,672−16%

Nov 10Save ฿915

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Departure month

December 2026

Seoul

Weather0°Cold

Typical one way฿5,672

Cheapest one-way fare฿4,848

฿5,672−15%

Dec 14Save ฿824

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Plan with confidence

Find the trip that fits

Compare prices, dates, airlines and travel time. Then choose the deal that feels right.

Typical prices

What do Seoul roundtrips usually cost?

This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.

Lowest฿7,113

Typical low฿9,461

Typical฿10,982

Typical high฿12,957

Half of the 3,953 prices fall inside the shaded band. This makes it easier to see whether the lowest fare is common or unusual.

Best time to fly

How prices change by month

Compare the lowest and typical roundtrip fare for each month.

฿8,967

Sep 2026

฿9,534

Oct 2026

฿9,906

Nov 2026

฿13,761

Dec 2026

฿13,149

Jan 2027

฿10,922

Feb 2027

฿10,373

Mar 2027

Bars show the typical roundtrip fare for each choice.Lowest: Sep 2026 from ฿7,113

Flexible timing

Compare Seoul by travel month

Open a month to compare its dates, prices and available flights.

January 2027฿9,195 February 2027฿8,731 March 2027฿8,631 September 2026฿7,113 October 2026฿7,350 November 2026฿9,229 December 2026฿9,461

Airline comparison

Which airlines show the lowest Seoul fares?

Some trips combine airlines, so check both flights before you book.

Which airlines show the lowest Seoul fares?
Comparison	Lowest	Typical range	Results	Non-stop
1T'way Air	฿7,113	฿8,858–฿11,573	537	91%
2Thai VietJet Air	฿7,293	฿9,246–฿12,943	1,610	90%
3Jeju Air	฿7,305	฿7,480–฿9,994	184	92%
4Thai AirAsia	฿8,283	฿9,561–฿12,930	2,676	81%
5Air Premia	฿8,297	฿10,650–฿13,517	302	87%
6VietJet Air	฿8,579	฿10,991–฿14,288	205	0%
79G	฿8,960	฿10,472–฿12,813	31	0%
8Eastar Jet	฿9,157	฿9,906–฿13,965	223	88%
9Vietnam Airlines	฿10,138	฿10,372–฿12,108	271	0%
10Korean Air	฿10,158	—	4	—
11Shandong Airlines	฿10,594	฿11,221–฿13,146	54	0%
12Jin Air	฿11,064	฿11,744–฿12,762	17	—

Stops and connections

How stops affect price for Seoul

Stop counts cover both directions. Compare the time and inconvenience of a connection with the possible saving.

How stops affect price for Seoul
Comparison	Lowest	Typical range	Results	Non-stop
1Nonstop	฿7,113	฿9,436–฿12,427	3,162	100%
2One Stop Total	฿8,579	฿10,692–฿13,910	756	0%
3Two Plus Stops Total	฿10,195	฿13,022–฿13,705	35	0%

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

Typical monthly temperature range: -3°C to 26°C. Verify a live forecast near departure.

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.

More ways to explore Seoul

🇰🇷

More flights to South Korea

🗺️

Explore eastern asia

✈️

T'way Air to SeoulFrom ฿7,113

✈️

Thai VietJet Air to SeoulFrom ฿7,293

✈️

Jeju Air to SeoulFrom ฿7,305

✈️

Thai AirAsia to SeoulFrom ฿8,283

✈️

Air Premia to SeoulFrom ฿8,297

✈️

VietJet Air to SeoulFrom ฿8,579

✈️

Eastar Jet to SeoulFrom ฿9,157

✈️

Vietnam Airlines to SeoulFrom ฿10,138

✈️

Korean Air to SeoulFrom ฿10,158

✈️

Shandong Airlines to SeoulFrom ฿10,594

✈️

Jin Air to SeoulFrom ฿11,064

✈️

Scoot to SeoulFrom ฿11,093

✈️

Emirates to SeoulFrom ฿11,244

✈️

Thai Airways to SeoulFrom ฿11,559

✈️

China Eastern to SeoulFrom ฿11,718

✈️

Cebu Pacific to SeoulFrom ฿12,445

✈️

HK Express to SeoulFrom ฿12,464

✈️

XiamenAir to SeoulFrom ฿12,502

✈️

Air China to SeoulFrom ฿12,865

✈️

Cathay Pacific to SeoulFrom ฿13,111

✈️

Asiana Airlines to SeoulFrom ฿14,366

✈️

China Southern to SeoulFrom ฿14,652

Common questions about Seoul

What is the lowest available one-way fare for Seoul?

The lowest available one-way fare is ฿3,896. It is compared only with other one-way fares.

What is the lowest available roundtrip fare for Seoul?

The lowest available roundtrip fare is ฿7,113. Check the dates, baggage and final total before booking.

What is a typical fare for Seoul?

A typical fare is ฿10,982. Many available options sit between ฿9,461 and ฿12,957.

How many choices are available for Seoul?

Choose from 3,953 roundtrip flights across 1 destination in 1 country.

Are direct flights available for Seoul?

3,162 roundtrip flights are non-stop both ways. That is 80% of the current choices.

Which month has the lowest fares for Seoul?

Sep 2026 has the lowest available roundtrip fare, from ฿7,113.

What is the cheapest flight from Bangkok to Seoul?

The lowest currently observed flight from Bangkok to Seoul is ฿7,113. Confirm the final itinerary total and availability before booking.

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.

Bangkok to Seoul flight deals

How much are flights from Bangkok to Seoul?

Saved searches

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Roundtrip deals

September 2026

October 2026

March 2027

February 2027

January 2027

November 2026

December 2026

One-way deals

October 2026

September 2026

March 2027

January 2027

February 2027

November 2026

December 2026

More ways to explore Seoul

Common questions about Seoul