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Cheap flights from Thailand to Seoul from ฿3,142

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
19 Jun — 26 Jun1
1 adult

Cheap flight deals from Thailand to Seoul

Keep the following information in mind while searching for Thailand to Seoul flight deals. Data was last updated 14 June 2025.

Round-trip from

฿5,605

One-way from

฿3,142

Popular in

December

Cheapest in

June

Average price

฿7,872

Good round-trip deal

฿5,919 or less

Good one-way deal

฿3,804 or less
Thai AirAsia X
  • Thai AirAsia X
  • 21/8-25/8
  • Nonstop
  • 11h 45m total
  • Thailand to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 6/9
  • Nonstop
  • 5h 35m total
  • Thailand to Seoul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿46,927 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿10,058 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Thailand to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Thailand to Seoul (SEL).
Search Deals

Find flight deals from Thailand to Seoul

Cheapest flights from Thailand to Seoul
Explore the most affordable flight options available from Thailand to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 June 2025.

Thu 21/802:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Mon 25/811:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 14/6฿5,605
Sun 14/918:45BKK - ICN
1 stop8h 45mMultiple Airlines
Fri 19/918:05ICN - BKK
1 stop18h 45mMultiple Airlines
Deal found 11/6฿5,799
Thu 19/600:05BKK - ICN
Nonstop5h 35mT'way Air
Fri 27/618:00ICN - BKK
Nonstop6h 35mT'way Air
Deal found 13/6฿6,350
Thu 16/1019:55BKK - ICN
1 stop21h 30mVietJet Air
Mon 27/1006:25ICN - BKK
1 stop9h 40mVietJet Air
Deal found 11/6฿6,414
Tue 9/919:25DMK - ICN
1 stop12h 15mMultiple Airlines
Mon 15/911:35ICN - DMK
Nonstop6h 10mMultiple Airlines
Deal found 12/6฿6,609
Mon 16/615:05CNX - ICN
1 stop17h 15mMultiple Airlines
Wed 2/720:20ICN - CNX
1 stop22h 30mMultiple Airlines
Deal found 12/6฿7,062
Thu 19/602:50BKK - ICN
1 stop15h 55mShandong Airlines
Sat 28/616:45ICN - BKK
1 stop11h 05mShandong Airlines
Deal found 13/6฿7,192
Tue 1/711:55BKK - ICN
1 stop15h 55mVietnam Airlines
Sun 21/911:05ICN - BKK
1 stop8h 00mVietnam Airlines
Deal found 13/6฿7,257
Fri 20/622:20BKK - ICN
Nonstop5h 45mAir Busan
Sat 28/617:15ICN - BKK
Nonstop6h 05mAir Busan
Deal found 12/6฿7,646
Fri 20/611:05BKK - ICN
1 stop8h 25mไห่หนานแอร์ไลน์
Fri 27/622:35ICN - BKK
1 stop13h 25mไห่หนานแอร์ไลน์
Deal found 13/6฿7,775
Mon 28/723:35HKT - ICN
1 stop18h 10mMultiple Airlines
Mon 4/820:20ICN - HKT
1 stop13h 45mMultiple Airlines
Deal found 13/6฿7,840
Wed 2/711:30BKK - GMP
2 stops25h 05mMultiple Airlines
Wed 9/720:25GMP - BKK
2 stops29h 45mMultiple Airlines
Deal found 13/6฿8,034

Cheapflights Fare Finder

Customise your flight search to find flights from Thailand to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 14 June 2025.
Use the filters below to find and compare flights from Thailand to Seoul that are best for you.

Fly from

Thailand

Fly to

Seoul

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 21/8

02:45-10:20

Nonstop5h 35m

Incheon Intl

Mon 25/8

11:35-15:45

Nonstop6h 10m

฿5,605

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 20/6

02:25-22:40

1 stop18h 15m

Incheon Intl

Sat 13/9

10:05-18:05

1 stop10h 00m

฿6,090

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 19/6

00:05-07:40

Nonstop5h 35m

Incheon Intl

Fri 27/6

18:00-22:35

Nonstop6h 35m

฿6,350

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 9/9

19:25-09:40

1 stop12h 15m

Incheon Intl

Mon 15/9

11:35-15:45

Nonstop6h 10m

฿6,609

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 19/6

02:50-20:45

1 stop15h 55m

Incheon Intl

Sat 28/6

16:45-01:50

1 stop11h 05m

฿7,192

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 30/9

19:05-10:20

1 stop13h 15m

Incheon Intl

Mon 13/10

20:20-16:50

1 stop22h 30m

฿7,192

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 1/7

11:55-05:50

1 stop15h 55m

Incheon Intl

Sun 21/9

11:05-17:05

1 stop8h 00m

฿7,257

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 20/6

22:20-06:05

Nonstop5h 45m

Incheon Intl

Sat 28/6

17:15-21:20

Nonstop6h 05m

฿7,646

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 20/6

11:05-21:30

1 stop8h 25m

Incheon Intl

Fri 27/6

22:35-10:00

1 stop13h 25m

฿7,775

Phuket CityIncheon

HKT - ICN

HKTICN

Phuket City

Mon 28/7

23:35-19:45

1 stop18h 10m

Incheon Intl

Mon 4/8

20:20-08:05

1 stop13h 45m

฿7,840

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 results
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Best time to book a flight from Thailand to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Thailand with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Thailand to Seoul

What is the cheapest month to book a flight from Thailand to Seoul?

Currently, June is the cheapest month in which you can book a flight from Thailand to Seoul (average of ฿152). Flying from Thailand to Seoul in January is currently the most expensive (average of ฿388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TH to SEL?

Find hourly flight availability from Thailand to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 June 2025.

When flying from Thailand to Seoul, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight at midday.

What is the cheapest day to fly from Thailand to Seoul?

Use this chart to determine the cheapest time to fly return from Thailand to Seoul. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Thailand to Seoul flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Thailand to Seoul

Explore weekly flight availability from Thailand to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 June 2025.

The most flights from TH0 to SEL are scheduled on a Wednesday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (32 on average).

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 14 June 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Thailand to Seoul by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very Good
1,091 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very Good
1,490 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very Good
738 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Thailand to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Thailand to Seoul one-way?

    ฿3,142 is the cheapest one-way deal found within the past few days, from Thai AirAsia X. You may also be able to find cheap deals on VietJet Air and Shandong Airlines, with prices starting from ฿3,369 and ฿3,661, respectively.

  • What are the most popular routes from Thailand to Seoul?

    While some choose either Bangkok Suvarnabhumi - Seoul Gimpo Intl or Bangkok Don Mueang Intl - Incheon Intl, Bangkok Suvarnabhumi - Incheon Intl is the most popular route from Thailand to Seoul.

  • What are the most reliable airlines from Thailand to Seoul?

    No one likes to see their flight delayed. When booking a flight from Thailand to Seoul consider choosing Air Chathams(100%), EL AL(92%) or โอมานแอร์(91%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Thailand to Seoul?

    The cheapest flight price from Thailand to Seoul is ฿4,471. On average you can expect to pay ฿24,534. The most popular route, (Bangkok Suvarnabhumi - Incheon Intl), can usually be booked for ฿6,609.

  • Can I find deals for flights from Thailand to Seoul that include hotel bookings?

    Yes. In addition to deals on Thailand to Seoul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Seoul.

  • Can I find deals for business class flights from Thailand to Seoul?

    Yes. Cheapflights offers flight deals from Thailand to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to Seoul?

    Currently, June is the cheapest month in which you can book a flight from Thailand to Seoul (average of ฿152). Flying from Thailand to Seoul in January is currently the most expensive (average of ฿388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Thailand to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Incheon Intl flights
Phuket City to Incheon Intl flights
Chiang Mai to Busan flights

Top 10 airlines flying from Thailand to Seoul

Discover the top 10 airlines that operate flights from Thailand to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 14 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,697Average฿9,042FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Eastar JetCheapest฿2,926Average฿11,012FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jin AirCheapest฿3,074Average฿7,359FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Shandong AirlinesCheapest฿3,907Average฿7,393FlexibilityNo cancel feeOn-time51%
Search Shandong Airlines flights
T'way AirCheapest฿5,647Average฿9,454FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Thai AirAsia XCheapest฿5,863Average฿8,420FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
AIR PREMIACheapest฿6,052Average฿14,094FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Jeju AirCheapest฿6,912Average฿12,210FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Air BusanCheapest฿7,443Average฿9,847FlexibilityNo cancel feeOn-time94%
Search Air Busan flights
Cathay PacificCheapest฿9,240Average฿10,432FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to Seoul?

Cheapflights helps you search for flights from Thailand to Seoul via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Seoul?

Cheapflights simply makes it quick and affordable to book flights from Thailand to Seoul by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Thailand to Seoul with no change fees?

Yes! Cheapflights helps users easily find flights from Thailand to Seoul with no change fees.

Can Cheapflights notify me if prices for flights from Thailand to Seoul become cheaper?

Not ready to book yet? You can track prices for flights from Thailand to Seoul on Cheapflights with our Price Alert feature and get notified when better prices are available.

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