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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Thailand to Seoul from ฿3,373

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
6 Jan — 13 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 December 2025.

Thu 11/1203:55DMK - ICN
Nonstop5h 35mThai AirAsia X
Tue 3/317:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 7/12฿7,288
Fri 5/1201:00BKK - ICN
Nonstop5h 25mMultiple Airlines
Wed 10/1222:10ICN - BKK
1 stop29h 15mMultiple Airlines
Deal found 5/12฿7,447
Sat 6/1202:25BKK - ICN
1 stop10h 00mMultiple Airlines
Mon 8/1221:30ICN - BKK
1 stop14h 35mMultiple Airlines
Deal found 6/12฿7,638
Thu 18/1202:25BKK - ICN
1 stop16h 45mMultiple Airlines
Tue 23/1214:00ICN - BKK
2 stops16h 05mMultiple Airlines
Deal found 5/12฿7,733
Thu 11/1203:55DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 4/311:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 7/12฿7,765
Sun 7/1219:05BKK - ICN
1 stop14h 50mMultiple Airlines
Wed 10/1221:10ICN - BKK
1 stop30h 15mMultiple Airlines
Deal found 5/12฿7,861
Thu 11/1203:55DMK - ICN
Nonstop5h 35mThai AirAsia X
Tue 16/1211:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 5/12฿7,892
Sun 7/1219:05BKK - ICN
1 stop14h 50mChina Eastern
Tue 9/1207:25ICN - BKK
1 stop17h 10mChina Eastern
Deal found 5/12฿7,988
Sat 6/1202:25BKK - ICN
1 stop10h 00mMultiple Airlines
Thu 11/1214:55ICN - BKK
1 stop27h 45mMultiple Airlines
Deal found 6/12฿8,020
Tue 16/1202:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Thu 12/317:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 7/12฿8,051
Sat 6/1205:05BKK - ICN
1 stop8h 15mChina Eastern
Wed 10/1212:15ICN - BKK
1 stop15h 05mChina Eastern
Deal found 5/12฿8,051
Sun 7/1203:40DMK - ICN
Nonstop5h 35mThai AirAsia X
Mon 15/1212:30ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 6/12฿8,083

Find flight deals from Thailand to Seoul

Keep the following information in mind while searching for Thailand to Seoul flight deals. Data was last updated 7 December 2025.

Round-trip from

฿6,047

One-way from

฿3,373

Popular in

December

Cheapest in

September

Average price

฿11,616

Good round-trip deal

฿6,302 or less

Good one-way deal

฿4,472 or less
แอร์เอเชียเอ็กซ์
  • แอร์เอเชียเอ็กซ์
  • 11/4-16/4
  • 2 total stops
  • 22h 15m total
  • Thailand to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 12/3
  • Nonstop
  • 5h 35m total
  • Thailand to Seoul
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (฿39,468 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿7,154 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 7 December 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

Tue 14/4

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 20/4

11:20-15:30

Nonstop6h 10m

฿7,097

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 17/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Fri 10/4

11:20-15:30

Nonstop6h 10m

฿7,606

Phuket CityIncheon

HKT - ICN

HKTICN

Phuket City

Thu 5/2

19:10-16:00

1 stop18h 50m

Incheon Intl

Mon 9/2

11:35-19:20

1 stop9h 45m

฿7,701

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 29/1

03:35-11:10

Nonstop5h 35m

Incheon Intl

Sun 8/2

11:20-15:30

Nonstop6h 10m

฿7,701

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 18/1

03:40-11:15

Nonstop5h 35m

Incheon Intl

Sun 25/1

11:20-15:30

Nonstop6h 10m

฿7,892

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 3/2

01:35-05:30

1 stop25h 55m

Incheon Intl

Sun 8/2

11:20-21:35

1 stop12h 15m

฿8,242

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 7/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 23/2

12:30-16:40

Nonstop6h 10m

฿8,433

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 14/1

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 20/1

11:20-15:30

Nonstop6h 10m

฿8,656

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 27/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sat 4/4

11:20-15:30

Nonstop6h 10m

฿8,911

Phuket CityIncheon

HKT - ICN

HKTICN

Phuket City

Sat 7/3

18:25-16:35

1 stop20h 10m

Incheon Intl

Sun 15/3

07:35-16:35

1 stop11h 00m

฿8,943

Flights are sorted by cheapest return flights first.

Deals found on 5/12

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 ฿2,832). Flying from Thailand to Seoul in January is currently the most expensive (average of ฿5,506). 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 7 December 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 35% 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 Tuesday afternoons when fares are most often at their lowest. Thursday 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 7 December 2025.

The most flights from TH0 to SEL are scheduled on a Wednesday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 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 7 December 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

Crew

9.0

Food

7.3

Overall

8.3

Entertainment

7.0

Comfort

8.4

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.
AIR PREMIA
8.3
Very Good
AIR PREMIA
8.3
Very Good
Check prices

Boarding

8.1

Crew

9.0

Food

7.3

Overall

8.3

Entertainment

7.0

Comfort

8.4

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.
Thai Airways
7.8
Good
364 reviews
AIR PREMIA
8.3
Very Good
Check prices

Boarding

8.1

Crew

9.0

Food

7.3

Overall

8.3

Entertainment

7.0

Comfort

8.4

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.

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?

    ฿1,772 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 AirAsia X and T'way Air, with prices starting from ฿2,851 and ฿3,624, 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(94%), AIR PREMIA(91%) or เคนย่าแอร์เวย์(89%), 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 ฿4,416. On average you can expect to pay ฿25,973. The most popular route, (Bangkok Suvarnabhumi - Incheon Intl), can usually be booked for ฿7,001.

  • 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 ฿2,832). Flying from Thailand to Seoul in January is currently the most expensive (average of ฿5,506). 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 7 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,603Average฿8,883FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jin AirCheapest฿3,020Average฿7,229FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Thai Vietjet AirCheapest฿3,345Average฿7,542FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
T'way AirCheapest฿3,492Average฿8,363FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Eastar JetCheapest฿5,038Average฿10,520FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jeju AirCheapest฿5,185Average฿9,987FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Thai AirAsia XCheapest฿5,419Average฿8,169FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Asiana AirlinesCheapest฿5,959Average฿13,943FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
AIR PREMIACheapest฿5,987Average฿12,124FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Air BusanCheapest฿6,929Average฿10,012FlexibilityNo cancel feeOn-time94%
Search Air Busan 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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