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Cheap flights from Thailand to Seoul from ฿3,299

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

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 15 January 2026.

Round-trip from

฿5,247

One-way from

฿3,299

Popular in

December

Cheapest in

September

Average price

฿9,991

Good round-trip deal

฿5,798 or less

Good one-way deal

฿2,772 or less
Thai AirAsia X
  • Thai AirAsia X
  • 23/3-30/3
  • Nonstop
  • 11h 45m total
  • Thailand to Seoul
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9/3
  • 9/3
  • 1 total stop
  • 13h 10m total
  • Thailand to Seoul
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (฿27,272 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (฿6,376 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Thailand to Seoul (SEL).
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Price to beat on a one-way flight from Thailand to Seoul (SEL).
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Find flight deals from Thailand to Seoul

Enter your travel dates to find the best prices.

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 15 January 2026.

Thu 3/921:45
HKT
-
ICN
1 stop10h 15m
Thai Vietjet Air
Tue 8/912:10
ICN
-
HKT
1 stop13h 35m
Thai Vietjet Air
Deal found 13/1฿4,556
Mon 23/302:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Mon 30/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,247
Mon 23/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Mon 30/312:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 14/1฿5,310
Thu 3/902:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 10/911:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,372
Sun 8/303:40
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 12/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,435
Wed 10/602:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 18/611:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,498
Sat 13/602:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Mon 22/612:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 15/1฿5,498
Tue 17/302:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Sun 22/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,530
Sat 14/302:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Sun 29/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 15/1฿5,561
Mon 16/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Sat 21/312:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 15/1฿5,561
Thu 15/102:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Fri 30/112:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 14/1฿5,592
Fri 23/102:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Thu 26/312:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 15/1฿5,655

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 15 January 2026.
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

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 23/3

02:25-09:55

Nonstop5h 30m

Incheon Intl

Mon 30/3

12:10-16:00

Nonstop5h 50m

฿6,032

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 12/5

17:20-07:00

1 stop11h 40m

Incheon Intl

Fri 15/5

08:15-16:50

1 stop10h 35m

฿6,095

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sat 14/2

22:10-10:05

1 stop9h 55m

Incheon Intl

Tue 9/6

08:15-16:50

1 stop10h 35m

฿6,881

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 21/6

23:30-10:05

1 stop8h 35m

Incheon Intl

Mon 29/6

08:15-16:50

1 stop10h 35m

฿6,881

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 23/3

02:25-09:55

Nonstop5h 30m

Incheon Intl

Mon 30/3

11:05-17:05

1 stop8h 00m

฿6,975

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 12/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 17/2

17:50-22:00

Nonstop6h 10m

฿7,069

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 29/3

23:55-07:10

Nonstop5h 15m

Incheon Intl

Thu 23/4

18:30-22:40

Nonstop6h 10m

฿7,195

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Fri 27/2

22:10-16:35

1 stop16h 25m

Incheon Intl

Fri 6/3

17:25-21:05

Nonstop5h 40m

฿7,258

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 14/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Thu 19/2

13:30-17:15

Nonstop5h 45m

฿7,320

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sat 28/2

15:10-06:20

1 stop13h 10m

Incheon Intl

Sat 7/3

11:20-20:40

1 stop11h 20m

฿7,509

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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, September is the cheapest month in which you can book a flight from Thailand to Seoul (average of ฿2,796). Flying from Thailand to Seoul in November is currently the most expensive (average of ฿4,995). 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 15 January 2026.

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 evening, which can drop the price by up to 64% versus a flight at midday.

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 15 January 2026.

The most flights from TH0 to SEL are scheduled on a Wednesday (44 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (37 on average).

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 15 January 2026.
Read reviews from past customers who have flown with AIR PREMIA and Thai Airways from Thailand to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.3
Very Good
Check prices

Crew

9.0

Boarding

8.2

Food

7.4

Comfort

8.3

Entertainment

7.1

Overall

8.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.3
Very Good
AIR PREMIA
8.3
Very Good
Check prices

Crew

9.0

Boarding

8.2

Food

7.4

Comfort

8.3

Entertainment

7.1

Overall

8.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
Thai Airways
7.8
Good
378 reviews
AIR PREMIA
8.3
Very Good
Check prices

Crew

9.0

Boarding

8.2

Food

7.4

Comfort

8.3

Entertainment

7.1

Overall

8.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!

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.

  • How long is the flight from Thailand to Seoul?

    Departing from Thailand to Seoul will take you 5h 15m. There are 3378 km between Thailand and Seoul. Most flights are nonstop.

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

    ฿1,750 is the cheapest one-way deal found within the past few days, from Jin Air. You may also be able to find cheap deals on Thai Vietjet Air and Thai AirAsia X, with prices starting from ฿1,833 and ฿2,637, 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 Busan(95%), AIR PREMIA(94%) or เคนย่าแอร์เวย์(93%), 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 ฿3,861. On average you can expect to pay ฿23,025. The most popular route, (Bangkok Suvarnabhumi - Incheon Intl), can usually be booked for ฿6,032.

  • 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, September is the cheapest month in which you can book a flight from Thailand to Seoul (average of ฿2,796). Flying from Thailand to Seoul in November is currently the most expensive (average of ฿4,995). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Thailand to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Incheon Intl flights
Chiang Mai 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest฿2,094Average฿7,448FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Thai Vietjet AirCheapest฿2,221Average฿7,567FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
Vietnam AirlinesCheapest฿2,544Average฿8,468FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jin AirCheapest฿2,981Average฿7,137FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Eastar JetCheapest฿3,146Average฿10,882FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Thai AirAsia XCheapest฿3,414Average฿7,654FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Jeju AirCheapest฿3,510Average฿8,612FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
AIR PREMIACheapest฿5,129Average฿10,347FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Korean AirCheapest฿5,660Average฿17,892FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapest฿5,883Average฿12,708FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines 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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