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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Bangkok to Seoul from ฿3,379

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
5 Jan — 12 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bangkok to Seoul are usually found in September or June, booked 43 days in advance, depart on a Thursday or Friday and return on a Sunday

Cheap flight deals from Bangkok to Seoul

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Seoul
Explore the most affordable flight options available from Bangkok to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 December 2025.

Fri 5/1201:00BKK - ICN
Nonstop5h 25mMultiple Airlines
Wed 10/1222:10ICN - BKK
1 stop29h 15mMultiple Airlines
Deal found 5/12฿7,460
Sat 13/1202:25BKK - ICN
1 stop10h 00mMultiple Airlines
Tue 16/1214:00ICN - BKK
2 stops16h 05mMultiple Airlines
Deal found 3/12฿7,715
Wed 10/1203:05BKK - ICN
1 stop17h 45mMultiple Airlines
Mon 15/1218:25ICN - BKK
1 stop23h 30mMultiple Airlines
Deal found 4/12฿7,747
Tue 16/1202:25BKK - ICN
1 stop10h 00mMultiple Airlines
Wed 4/310:35ICN - BKK
1 stop12h 25mMultiple Airlines
Deal found 4/12฿7,842
Sun 7/1219:05BKK - ICN
1 stop14h 50mMultiple Airlines
Wed 10/1221:10ICN - BKK
1 stop30h 15mMultiple Airlines
Deal found 5/12฿7,874
Thu 11/1203:55DMK - ICN
Nonstop5h 35mThai AirAsia X
Tue 16/1211:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 5/12฿7,906
Wed 10/1202:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Sun 14/1211:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 4/12฿7,970
Sun 7/1219:05BKK - ICN
1 stop14h 50mChina Eastern
Tue 9/1207:25ICN - BKK
1 stop17h 10mChina Eastern
Deal found 5/12฿8,002
Fri 12/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Wed 17/1213:15ICN - BKK
2 stops11h 20mMultiple Airlines
Deal found 3/12฿8,033
Fri 5/1202:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 10/1212:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 4/12฿8,065
Wed 31/1223:05BKK - ICN
1 stop24h 15mMultiple Airlines
Sat 21/319:50ICN - BKK
Nonstop6h 20mMultiple Airlines
Deal found 4/12฿8,097
Wed 10/1202:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Mon 15/1212:30ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 4/12฿8,129

Find flight deals from Bangkok to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 December 2025.

Round-trip from

฿6,599

One-way from

฿3,379

Popular in

January

Cheapest in

September

Average price

฿11,700
Thai AirAsia X
  • Thai AirAsia X
  • 14/3-17/3
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 5/3
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (฿72,139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿7,526 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok 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 6 December 2025.
Use the filters below to find and compare flights from Bangkok to Seoul that are best for you.

Fly from

Bangkok

Fly to

Seoul

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 5/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Mon 9/3

12:30-16:40

Nonstop6h 10m

฿7,045

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 10/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Fri 13/3

11:20-15:30

Nonstop6h 10m

฿7,077

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 27/1

03:35-11:10

Nonstop5h 35m

Incheon Intl

Tue 3/2

11:20-15:30

Nonstop6h 10m

฿7,173

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 28/2

09:00-16:35

Nonstop5h 35m

Incheon Intl

Sat 7/3

17:50-22:00

Nonstop6h 10m

฿7,651

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

฿7,715

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 3/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 10/3

17:50-22:00

Nonstop6h 10m

฿7,747

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

฿7,906

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 26/2

09:00-16:35

Nonstop5h 35m

Incheon Intl

Mon 2/3

12:30-16:40

Nonstop6h 10m

฿8,033

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 26/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Thu 5/3

11:20-15:30

Nonstop6h 10m

฿8,129

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 8/1

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 20/1

11:20-15:30

Nonstop6h 10m

฿8,161

Flights are sorted by cheapest return flights first.

Deals found on 4/12

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

Have a flexible travel schedule? Discover the best time to fly to Seoul from Bangkok 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 Bangkok to Seoul

How far ahead should I book a flight from Bangkok to Seoul?

Use this chart to determine the optimal time to book a return flight from Bangkok to Seoul. Price data was last updated on 28 November 2025.

The best time to book flights from Bangkok to Seoul is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿2,837). Flying from Bangkok to Seoul in February is currently the most expensive (average of ฿6,854). 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 BKK to SEL?

Find hourly flight availability from Bangkok 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 6 December 2025.

A simple way to save on the total cost of your ticket is to fly from Bangkok to Seoul in the evening. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Bangkok to Seoul

Explore weekly flight availability from Bangkok 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 6 December 2025.

The most flights from TH1 to SEL are scheduled on a Wednesday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (41 on average).

How much does it cost for a return flight from Bangkok to Seoul?

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 6 December 2025.
Read reviews from past customers who have flown with AIR PREMIA and Thai Airways from Bangkok 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

Comfort

8.4

Boarding

8.1

Food

7.3

Crew

9.0

Entertainment

7.0

Overall

8.3

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

Comfort

8.4

Boarding

8.1

Food

7.3

Crew

9.0

Entertainment

7.0

Overall

8.3

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

Comfort

8.4

Boarding

8.1

Food

7.3

Crew

9.0

Entertainment

7.0

Overall

8.3

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 Bangkok 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 Bangkok to Seoul?

    Thai AirAsia X, Air China, and Cathay Pacific can get you from Bangkok to Seoul in just under 5h 35m. Your travel time can differ by up to 18h 35m. The distance between Bangkok and Seoul is about 3655 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Bangkok to Seoul round-trip?

    Cheapflights users have booked flights from Bangkok to Seoul return from ฿2,253. Other airlines that can offer you cheap pricing are T'way Air, from ฿2,517, and Vietnam Airlines, from ฿2,581. Thai Vietjet Air is currently priced 75% below the average price you’ll pay for this route.

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

    ฿1,775 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 ฿2,856 and ฿3,612, respectively.

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

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bangkok to Seoul on time: Air Busan (94%), AIR PREMIA (91%), เคนย่าแอร์เวย์ (89%).

  • What are the cheapest flights from Bangkok to Seoul?

    Looking for the cheapest flight from Bangkok to Seoul? While on average our users pay ฿24,974, our data indicates the cheapest price to be ฿3,651. The most popular route (Bangkok Suvarnabhumi - Incheon Intl), is priced around ฿6,981.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangkok 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 Bangkok to Seoul?

    Currently, September is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿2,837). Flying from Bangkok to Seoul in February is currently the most expensive (average of ฿6,854). 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 Bangkok 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 Bangkok to Seoul

Discover the top 10 airlines that operate flights from Bangkok 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 6 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,607Average฿8,898FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jin AirCheapest฿3,025Average฿7,242FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Thai Vietjet AirCheapest฿3,351Average฿7,984FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
T'way AirCheapest฿3,498Average฿8,234FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Eastar JetCheapest฿5,047Average฿10,538FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jeju AirCheapest฿5,218Average฿9,477FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Thai AirAsia XCheapest฿5,464Average฿8,408FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
AIR PREMIACheapest฿5,958Average฿12,099FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Asiana AirlinesCheapest฿5,970Average฿13,967FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Air BusanCheapest฿6,941Average฿10,029FlexibilityNo cancel feeOn-time94%
Search Air Busan flights

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bangkok to Seoul.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Seoul flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Bangkok to Seoul and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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