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Cheap flights from Thailand to Seoul from ฿3,096

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

฿5,736

One-way from

฿3,096

Popular in

December

Cheapest in

August

Average price

฿8,800

Good round-trip deal

฿5,483 or less

Good one-way deal

฿3,018 or less
Thai AirAsia X
  • Thai AirAsia X
  • 11/9-17/9
  • Nonstop
  • 11h 45m total
  • Thailand to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 18/7
  • Nonstop
  • 5h 35m total
  • Thailand to Seoul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿50,153 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿9,916 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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).
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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 11 July 2025.

Thu 11/902:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 17/911:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 9/7฿5,736
Thu 21/800:05BKK - ICN
Nonstop5h 35mMultiple Airlines
Mon 25/811:05ICN - BKK
1 stop8h 00mMultiple Airlines
Deal found 10/7฿6,160
Wed 20/800:05BKK - ICN
Nonstop5h 35mT'way Air
Sat 30/818:00ICN - BKK
Nonstop6h 35mT'way Air
Deal found 8/7฿6,551
Sun 14/910:30DMK - ICN
1 stop17h 45mMultiple Airlines
Sun 21/911:35ICN - DMK
Nonstop6h 10mMultiple Airlines
Deal found 9/7฿6,714
Sat 19/723:30CNX - ICN
1 stop8h 50mMultiple Airlines
Sat 16/808:15ICN - CNX
1 stop10h 35mMultiple Airlines
Deal found 10/7฿7,301
Thu 21/822:05HKT - ICN
1 stop10h 15mMultiple Airlines
Fri 29/817:25ICN - HKT
Nonstop6h 25mMultiple Airlines
Deal found 9/7฿7,431
Mon 1/914:25BKK - ICN
1 stop24h 00mVietnam Airlines
Sun 7/910:05ICN - BKK
1 stop10h 00mVietnam Airlines
Deal found 10/7฿7,692
Thu 10/702:50BKK - ICN
1 stop17h 05mShandong Airlines
Thu 24/712:15ICN - BKK
1 stop15h 35mShandong Airlines
Deal found 9/7฿7,822
Fri 8/822:20BKK - ICN
Nonstop5h 45mAir Busan
Fri 15/817:15ICN - BKK
Nonstop6h 05mAir Busan
Deal found 8/7฿7,888
Wed 30/723:40HKT - ICN
Nonstop6h 20mAsiana Airlines
Sun 3/816:00ICN - HKT
Nonstop6h 20mAsiana Airlines
Deal found 9/7฿9,615
Fri 17/1011:55HKT - ICN
1 stop29h 30mVietJet Air
Tue 21/1011:40ICN - HKT
1 stop25h 15mVietJet Air
Deal found 9/7฿9,778
Wed 3/923:55CNX - ICN
Nonstop5h 15mEastar Jet
Sat 6/918:30ICN - CNX
Nonstop6h 10mEastar Jet
Deal found 10/7฿9,811

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 11 July 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 11/9

02:45-10:20

Nonstop5h 35m

Incheon Intl

Wed 17/9

11:35-15:45

Nonstop6h 10m

฿5,736

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 21/8

00:05-07:40

Nonstop5h 35m

Incheon Intl

Mon 25/8

11:05-17:05

1 stop8h 00m

฿6,160

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 20/8

00:05-07:40

Nonstop5h 35m

Incheon Intl

Sat 30/8

18:00-22:35

Nonstop6h 35m

฿6,551

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 14/9

10:30-06:15

1 stop17h 45m

Incheon Intl

Sun 21/9

11:35-15:45

Nonstop6h 10m

฿6,714

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 21/8

20:10-10:20

1 stop12h 10m

Incheon Intl

Tue 2/9

08:15-16:50

1 stop10h 35m

฿7,301

Phuket CityIncheon

HKT - ICN

HKTICN

Phuket City

Thu 21/8

22:05-10:20

1 stop10h 15m

Incheon Intl

Fri 29/8

17:25-21:50

Nonstop6h 25m

฿7,431

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 1/9

14:25-16:25

1 stop24h 00m

Incheon Intl

Sun 7/9

10:05-18:05

1 stop10h 00m

฿7,692

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 28/8

02:50-14:30

1 stop9h 40m

Incheon Intl

Tue 2/9

14:00-01:50

1 stop13h 50m

฿7,822

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 8/8

22:20-06:05

Nonstop5h 45m

Incheon Intl

Fri 15/8

17:15-21:20

Nonstop6h 05m

฿7,888

Phuket CityIncheon

HKT - ICN

HKTICN

Phuket City

Wed 30/7

23:40-08:00

Nonstop6h 20m

Incheon Intl

Sun 3/8

16:00-20:20

Nonstop6h 20m

฿9,615

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 58 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 11 July 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 18% 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. Monday 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 11 July 2025.

The most flights from TH0 to SEL are scheduled on a Wednesday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 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 11 July 2025.
Read reviews from past customers who have flown with EVA Air, Japan Airlines, andAsiana Airlines 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.
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Japan Airlines
8.3
Very Good
1,512 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Asiana Airlines
8.2
Very Good
454 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
AIR PREMIA
8.2
Very Good
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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?

    ฿3,096 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 T'way Air and Thai Vietjet Air, with prices starting from ฿3,585 and ฿3,813, 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(88%) or AIR PREMIA(85%), 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 ฿4,446. On average you can expect to pay ฿54,778. The most popular route, (Bangkok Suvarnabhumi - Incheon Intl), can usually be booked for ฿5,606.

  • 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

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.
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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,665Average฿9,160FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Eastar JetCheapest฿2,944Average฿11,069FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jin AirCheapest฿3,093Average฿7,404FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Shandong AirlinesCheapest฿3,930Average฿7,438FlexibilityNo cancel feeOn-time51%
Search Shandong Airlines flights
AIR PREMIACheapest฿5,826Average฿14,045FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Thai AirAsia XCheapest฿5,860Average฿8,519FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
T'way AirCheapest฿5,931Average฿9,507FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Jeju AirCheapest฿6,954Average฿13,587FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Air BusanCheapest฿7,822Average฿10,062FlexibilityNo cancel feeOn-time94%
Search Air Busan flights
Cathay PacificCheapest฿9,297Average฿10,215FlexibilityNo 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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