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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Thailand to Seoul from ฿3,372

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

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 12 November 2025.

Wed 19/1102:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Sat 29/1119:50ICN - BKK
Nonstop6h 20mMultiple Airlines
Deal found 12/11฿5,576
Wed 19/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Thu 27/1112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 11/11฿5,641
Fri 28/1102:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Mon 1/1212:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 10/11฿5,706
Tue 25/1102:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Sun 30/1119:50ICN - BKK
Nonstop6h 20mMultiple Airlines
Deal found 12/11฿5,706
Wed 19/1101:30BKK - ICN
Nonstop5h 30mMultiple Airlines
Thu 27/1112:10ICN - BKK
Nonstop6h 10mMultiple Airlines
Deal found 11/11฿5,738
Fri 21/1101:30BKK - ICN
Nonstop5h 30mMultiple Airlines
Fri 28/1112:10ICN - BKK
Nonstop6h 10mMultiple Airlines
Deal found 11/11฿5,835
Wed 19/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Sat 29/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Deal found 12/11฿5,900
Thu 20/1102:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Sun 23/1111:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 11/11฿5,965
Sun 23/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Fri 28/1112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 12/11฿5,997
Wed 26/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Sun 30/1112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 12/11฿6,062
Wed 19/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Tue 25/1112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 12/11฿6,095
Sat 6/1203:55DMK - ICN
Nonstop5h 35mThai AirAsia X
Fri 12/1212:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 12/11฿6,127

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 12 November 2025.

Round-trip from

฿5,349

One-way from

฿3,372

Popular in

January

Cheapest in

September

Average price

฿8,558

Good round-trip deal

฿6,736 or less

Good one-way deal

฿3,928 or less
T'way Air
  • T'way Air
  • 31/3-4/4
  • Nonstop
  • 11h 40m total
  • Thailand to Seoul
Search Deals
30/3
  • 30/3
  • 1 total stop
  • 9h 55m total
  • Thailand to Seoul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (฿76,438 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿8,110 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

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 12 November 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

Mon 11/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 19/5

11:20-15:30

Nonstop6h 10m

฿5,770

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 10/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Fri 15/5

11:20-15:30

Nonstop6h 10m

฿6,549

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 10/5

01:50-13:50

1 stop10h 00m

Incheon Intl

Fri 15/5

14:50-00:50

1 stop12h 00m

฿7,132

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 18/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sun 22/3

11:20-15:30

Nonstop6h 10m

฿7,359

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 31/3

23:30-10:05

1 stop8h 35m

Incheon Intl

Wed 22/4

12:10-23:15

1 stop13h 05m

฿7,424

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 27/11

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sun 30/11

11:20-15:30

Nonstop6h 10m

฿7,424

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 17/12

02:30-10:05

Nonstop5h 35m

Incheon Intl

Thu 8/1

11:20-15:30

Nonstop6h 10m

฿7,489

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 2/12

03:55-11:30

Nonstop5h 35m

Incheon Intl

Sat 6/12

11:20-15:30

Nonstop6h 10m

฿7,521

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 27/11

19:25-09:50

1 stop12h 25m

Incheon Intl

Sun 30/11

11:20-15:30

Nonstop6h 10m

฿7,845

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 13/2

02:25-09:55

Nonstop5h 30m

Incheon Intl

Thu 19/2

19:50-00:10

Nonstop6h 20m

฿8,267

Flights are sorted by cheapest return flights first.

Deals found on 12/11

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 ฿2,885). Flying from Thailand to Seoul in December is currently the most expensive (average of ฿7,035). 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 12 November 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 evening, which can drop the price by up to 34% 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 Thursday evenings when fares are most often at their lowest. Tuesday at midday 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 12 November 2025.

The most flights from TH0 to SEL are scheduled on a Monday (41 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (39 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 12 November 2025.
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

Boarding

8.1

Comfort

8.4

Food

7.3

Overall

8.3

Entertainment

7.0

Crew

9.0

Reviews

1 / 6
8.0
Excellent

Bonnie,Aug 2025

ICN - LAX

Baggage check took two hours. The flight didn't take off until 12:45. I arrived at the airport at 9 am, expecting to be able to check in my two bags quickly. The baggage counter didn't open until 10 am. Families of 4 would take 15-20 minutes to check in luggage. My suggestion would be to open the baggage check-in sooner and also figure out a way for the service crew to check in customers' luggage faster.
AIR PREMIA
8.3
Very Good
AIR PREMIA
8.3
Very Good
Check prices

Boarding

8.1

Comfort

8.4

Food

7.3

Overall

8.3

Entertainment

7.0

Crew

9.0

Reviews

1 / 6
8.0
Excellent

Bonnie,Aug 2025

ICN - LAX

Baggage check took two hours. The flight didn't take off until 12:45. I arrived at the airport at 9 am, expecting to be able to check in my two bags quickly. The baggage counter didn't open until 10 am. Families of 4 would take 15-20 minutes to check in luggage. My suggestion would be to open the baggage check-in sooner and also figure out a way for the service crew to check in customers' luggage faster.
Thai Airways
7.8
Good
361 reviews
AIR PREMIA
8.3
Very Good
Check prices

Boarding

8.1

Comfort

8.4

Food

7.3

Overall

8.3

Entertainment

7.0

Crew

9.0

Reviews

1 / 6
8.0
Excellent

Bonnie,Aug 2025

ICN - LAX

Baggage check took two hours. The flight didn't take off until 12:45. I arrived at the airport at 9 am, expecting to be able to check in my two bags quickly. The baggage counter didn't open until 10 am. Families of 4 would take 15-20 minutes to check in luggage. My suggestion would be to open the baggage check-in sooner and also figure out a way for the service crew to check in customers' luggage faster.

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 35m. There are 3655 km between Thailand and Seoul. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    ฿3,663 is the cheapest one-way deal found within the past few days, from Thai Vietjet Air. You may also be able to find cheap deals on AIR PREMIA and Thai AirAsia X, with prices starting from ฿3,825 and ฿4,214, 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 PREMIA(95%), เคนย่าแอร์เวย์(83%) or เดลต้า(74%), 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 ฿3,635. On average you can expect to pay ฿33,505. The most popular route, (Bangkok Suvarnabhumi - Incheon Intl), can usually be booked for ฿6,516.

  • 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 ฿2,885). Flying from Thailand to Seoul in December is currently the most expensive (average of ฿7,035). 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 12 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,651Average฿9,049FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jin AirCheapest฿3,076Average฿7,541FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Thai Vietjet AirCheapest฿3,408Average฿7,869FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
T'way AirCheapest฿3,600Average฿8,896FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Shandong AirlinesCheapest฿3,909Average฿7,398FlexibilityNo cancel feeOn-time51%
Search Shandong Airlines flights
Eastar JetCheapest฿5,132Average฿11,100FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jeju AirCheapest฿5,307Average฿13,119FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Thai AirAsia XCheapest฿5,574Average฿8,569FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
AIR PREMIACheapest฿5,849Average฿12,316FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Asiana AirlinesCheapest฿6,071Average฿15,157FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

Fly with Cheapflights

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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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