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Cheap flights from Bangkok to Seoul from ฿3,164

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
20 Jun — 27 Jun1
1 adult

Cheapflights Tip: The best prices from Bangkok to Seoul are usually found in June or August, booked 78 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 15 June 2025.

Round-trip from

฿5,585

One-way from

฿3,164

Popular in

December

Cheapest in

June

Average price

฿7,845
Thai AirAsia X
  • Thai AirAsia X
  • 21/8-25/8
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 14/7
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿46,624 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿10,000 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Bangkok to Seoul

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 15 June 2025.

Thu 21/802:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Mon 25/811:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 14/6฿5,585
Fri 20/602:25BKK - ICN
1 stop18h 15mMultiple Airlines
Sat 13/910:05ICN - BKK
1 stop10h 00mMultiple Airlines
Deal found 12/6฿6,069
Thu 19/600:05BKK - ICN
Nonstop5h 35mT'way Air
Fri 27/618:00ICN - BKK
Nonstop6h 35mT'way Air
Deal found 13/6฿6,327
Sat 5/702:45DMK - ICN
Nonstop5h 35mMultiple Airlines
Mon 7/706:25ICN - DMK
1 stop9h 50mMultiple Airlines
Deal found 13/6฿6,650
Fri 20/602:25BKK - ICN
1 stop18h 15mShandong Airlines
Sun 29/611:45ICN - BKK
1 stop15h 40mShandong Airlines
Deal found 13/6฿6,973
Fri 20/611:05BKK - ICN
1 stop8h 25mไห่หนานแอร์ไลน์
Fri 27/622:35ICN - BKK
1 stop13h 25mไห่หนานแอร์ไลน์
Deal found 13/6฿7,748
Mon 7/719:05BKK - ICN
1 stop8h 45mVietnam Airlines
Sun 13/718:05ICN - BKK
1 stop18h 45mVietnam Airlines
Deal found 14/6฿7,877
Wed 2/711:30BKK - GMP
2 stops25h 05mMultiple Airlines
Wed 9/720:25GMP - BKK
2 stops29h 45mMultiple Airlines
Deal found 13/6฿8,006
Wed 15/1022:20BKK - ICN
Nonstop5h 45mAir Busan
Tue 21/1017:15ICN - BKK
Nonstop6h 05mAir Busan
Deal found 14/6฿8,200
Tue 17/601:00BKK - ICN
Nonstop5h 40mJeju Air
Sun 22/620:05ICN - BKK
Nonstop5h 54mJeju Air
Deal found 13/6฿8,749
Thu 31/701:50BKK - ICN
1 stop8h 40mXiamenAir
Tue 5/813:30ICN - BKK
1 stop23h 45mXiamenAir
Deal found 13/6฿8,813
Mon 28/700:55BKK - ICN
1 stop16h 50mHK Express
Mon 4/802:35ICN - BKK
1 stop17h 25mHK Express
Deal found 14/6฿9,168

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 15 June 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 21/8

02:45-10:20

Nonstop5h 35m

Incheon Intl

Mon 25/8

11:35-15:45

Nonstop6h 10m

฿5,585

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 29/8

02:25-22:40

1 stop18h 15m

Incheon Intl

Sat 6/9

18:05-10:50

1 stop18h 45m

฿6,069

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 5/7

02:45-10:20

Nonstop5h 35m

Incheon Intl

Mon 7/7

06:25-14:15

1 stop9h 50m

฿6,650

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 6/7

00:05-07:40

Nonstop5h 35m

Incheon Intl

Tue 8/7

18:00-22:35

Nonstop6h 35m

฿7,070

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 11/9

22:20-06:05

Nonstop5h 45m

Incheon Intl

Mon 15/9

17:15-21:20

Nonstop6h 05m

฿7,457

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 24/6

02:50-20:45

1 stop15h 55m

Incheon Intl

Mon 30/6

22:55-01:50

1 stop28h 55m

฿7,587

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 7/7

19:05-05:50

1 stop8h 45m

Incheon Intl

Sun 13/7

18:05-10:50

1 stop18h 45m

฿7,877

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Wed 2/7

11:30-14:35

2 stops25h 05m

Seoul Gimpo Intl

Wed 9/7

20:25-00:10

2 stops29h 45m

฿8,006

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 31/7

01:50-12:30

1 stop8h 40m

Incheon Intl

Tue 5/8

13:30-11:15

1 stop23h 45m

฿8,813

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 28/7

00:55-19:45

1 stop16h 50m

Incheon Intl

Mon 4/8

02:35-18:00

1 stop17h 25m

฿9,168

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 49 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 9 June 2025.

The best time to book flights from Bangkok to Seoul is 78 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, June is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿152). Flying from Bangkok 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 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 15 June 2025.

A simple way to save on the total cost of your ticket is to fly from Bangkok to Seoul at midday. If you’re flexible enough to do this you can expect to save up to 77% on your trip compared to booking a flight in the morning.

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 15 June 2025.

The most flights from TH1 to SEL are scheduled on a Wednesday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (32 on average).

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 June 2025.
To help decide which airline to fly from Bangkok to Seoul, see what other customers have to say about EVA Air, AIR PREMIA and ไห่หนานแอร์ไลน์. 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
1,203 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,203 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
AIR PREMIA
8.2
Very Good
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Thai Airways
7.7
Good
336 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

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

    Cheapflights users have booked flights from Bangkok to Seoul return from ฿5,585. Other airlines that can offer you cheap pricing are T'way Air, from ฿7,070, and Shandong Airlines, from ฿7,167. Thai AirAsia X is currently priced 41% below the average price you’ll pay for this route.

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

    ฿3,164 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 Shandong Airlines and Eastar Jet, with prices starting from ฿3,680 and ฿4,003, respectively.

  • What are the most popular routes from Bangkok 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 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 Chathams (100%), EL AL (92%), โอมานแอร์ (91%).

  • What are the cheapest flights from Bangkok to Seoul?

    Looking for the cheapest flight from Bangkok to Seoul? While on average our users pay ฿24,448, our data indicates the cheapest price to be ฿4,455. The most popular route (Bangkok Suvarnabhumi - Incheon Intl), is priced around ฿6,586.

  • 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, June is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿152). Flying from Bangkok 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

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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 15 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,688Average฿9,011FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Eastar JetCheapest฿2,915Average฿11,133FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jin AirCheapest฿3,063Average฿7,333FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Shandong AirlinesCheapest฿3,893Average฿7,367FlexibilityNo cancel feeOn-time51%
Search Shandong Airlines flights
T'way AirCheapest฿5,627Average฿9,421FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Thai AirAsia XCheapest฿5,843Average฿8,391FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
AIR PREMIACheapest฿6,031Average฿14,044FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Jeju AirCheapest฿7,103Average฿10,830FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Air BusanCheapest฿7,417Average฿9,813FlexibilityNo cancel feeOn-time94%
Search Air Busan flights
Cathay PacificCheapest฿9,208Average฿10,396FlexibilityNo 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 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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