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Cheap flights from Seoul to Bangkok from ฿2,371

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
2 May — 9 May1
1 adult

Cheapflights Tip: The best prices from Seoul to Bangkok are usually found in May or June, booked 34 days in advance, depart on a Sunday or Saturday and return on a Saturday

Cheap flight deals from Seoul to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Bangkok (TH1). 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 27 April 2025.

Round-trip from

฿4,441

One-way from

฿2,371

Popular in

January

Cheapest in

May

Average price

฿8,014
T'way Air
  • T'way Air
  • 26/5-29/5
  • Nonstop
  • 12h 10m total
  • Seoul to Bangkok
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Thai AirAsia X
  • Thai AirAsia X
  • 13/7
  • Nonstop
  • 6h 10m total
  • Seoul to Bangkok
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (฿68,094 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿10,344 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Seoul to Bangkok

Cheapest flights from Seoul to Bangkok
Explore the most affordable flight options available from Seoul to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2025.

Sun 25/518:00ICN - BKK
Nonstop6h 35mT'way Air
Thu 29/500:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 27/4฿4,441
Mon 9/620:05ICN - BKK
Nonstop5h 54mJeju Air
Fri 13/601:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 26/4฿4,575
Sun 8/610:05ICN - BKK
1 stop13h 00mVietnam Airlines
Mon 9/615:55BKK - ICN
1 stop22h 40mVietnam Airlines
Deal found 26/4฿4,608
Thu 22/516:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Tue 27/522:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 27/4฿4,675
Thu 22/511:55ICN - DMK
Nonstop6h 10mThai AirAsia X
Tue 27/502:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Deal found 27/4฿5,243
Sun 21/917:15ICN - BKK
Nonstop6h 05mAir Busan
Wed 24/922:20BKK - ICN
Nonstop5h 45mAir Busan
Deal found 27/4฿5,677
Thu 8/511:45GMP - BKK
1 stop14h 25mMultiple Airlines
Wed 14/501:10BKK - GMP
1 stop10h 40mMultiple Airlines
Deal found 27/4฿5,910
Mon 9/618:05ICN - BKK
1 stop22h 40mMultiple Airlines
Fri 13/602:25BKK - ICN
1 stop18h 15mMultiple Airlines
Deal found 26/4฿5,910
Sat 31/516:45ICN - BKK
1 stop23h 45mChina Southern
Fri 6/617:25BKK - ICN
1 stop18h 15mChina Southern
Deal found 27/4฿6,011
Wed 28/519:55ICN - BKK
Nonstop5h 50mJin Air
Mon 2/600:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 26/4฿6,244
Thu 12/611:35ICN - DMK
Nonstop6h 10mMultiple Airlines
Sun 15/612:00DMK - ICN
1 stop10h 45mMultiple Airlines
Deal found 27/4฿7,046
Sat 31/514:40ICN - BKK
1 stop13h 35mShenzhen Airlines
Mon 2/603:15BKK - ICN
1 stop10h 30mShenzhen Airlines
Deal found 26/4฿7,146

Cheapflights Fare Finder

Customise your flight search to find flights from Seoul to Bangkok 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 27 April 2025.
Use the filters below to find and compare flights from Seoul to Bangkok that are best for you.

Fly from

Seoul

Fly to

Bangkok

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 25/5

18:00-22:35

Nonstop6h 35m

Bangkok Suvarnabhumi

Thu 29/5

00:05-07:40

Nonstop5h 35m

฿4,441

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 9/6

20:05-23:59

Nonstop5h 54m

Bangkok Suvarnabhumi

Fri 13/6

01:00-08:40

Nonstop5h 40m

฿4,575

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 8/6

10:05-21:05

1 stop13h 00m

Bangkok Suvarnabhumi

Mon 9/6

15:55-16:35

1 stop22h 40m

฿4,608

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 22/5

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 27/5

22:45-06:25

Nonstop5h 40m

฿4,675

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Thu 22/5

11:55-16:05

Nonstop6h 10m

Bangkok Don Mueang Intl

Tue 27/5

02:45-10:20

Nonstop5h 35m

฿5,243

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 21/9

17:15-21:20

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 24/9

22:20-06:05

Nonstop5h 45m

฿5,677

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Thu 8/5

11:45-00:10

1 stop14h 25m

Bangkok Suvarnabhumi

Wed 14/5

01:10-13:50

1 stop10h 40m

฿5,910

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 9/6

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Fri 13/6

02:25-22:40

1 stop18h 15m

฿5,910

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 30/5

16:45-19:20

1 stop28h 35m

Bangkok Suvarnabhumi

Tue 3/6

18:05-21:50

1 stop25h 45m

฿6,011

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 25/8

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Mon 1/9

00:55-08:25

Nonstop5h 30m

฿6,612

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 55 results
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Best time to book a flight from Seoul to Bangkok

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

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

Use this chart to determine the optimal time to book a return flight from Seoul to Bangkok. Price data was last updated on 25 April 2025.

To ensure you get the cheapest price possible for a flight from Seoul to Bangkok, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, June is the cheapest month in which you can book a flight from Seoul to Bangkok (average of ฿57). Flying from Seoul to Bangkok in December is currently the most expensive (average of ฿80). 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 SEL to BKK?

Find hourly flight availability from Seoul to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 April 2025.

A simple way to save on the total cost of your ticket is to fly from Seoul to Bangkok in the afternoon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the morning.

Weekly flight availability from Seoul to Bangkok

Explore weekly flight availability from Seoul to Bangkok. 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 27 April 2025.

The most flights from SEL to TH1 are scheduled on a Wednesday (31 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Bangkok by month

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

In terms of precipitation, rainfall in Bangkok ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok when rainfall is around 10.0 mm.

Temperature in Bangkok by month

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

If weather is an important factor for your trip to Bangkok, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated 27 April 2025.
To help decide which airline to fly from Seoul to Bangkok, see what other customers have to say about EVA Air, China Airlines and Asiana Airlines. 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
1,182 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very Good
1,182 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very Good
729 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Asiana Airlines
8.2
Very Good
443 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
AIR PREMIA
8.2
Very Good
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Seoul to Bangkok. 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 Seoul to Bangkok round-trip?

    Flying on T'way Air is currently your cheapest option to Bangkok, with prices starting at ฿4,441. Additional round-trip tickets that might be worth considering are offered by Jeju Air and Vietnam Airlines, with the lowest prices starting at ฿4,575 and ฿4,608, respectively. These flights start at 51% lower than the current average price 3 months from now.

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

    The cheapet airlines for a one-way flight from Seoul to Bangkok are Thai AirAsia X (฿2,371), Vietnam Airlines (฿2,438), and Jeju Air (฿2,538).

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

    The most popular flight routes from Seoul to Bangkok are Incheon Intl - Bangkok Suvarnabhumi, Seoul Gimpo Intl - Bangkok Suvarnabhumi and Incheon Intl - Bangkok Don Mueang Intl.

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

    Consider โอมานแอร์ (86%), เตอร์กิชแอร์ไลน์ (86%) or EL AL (75%) when booking your flight. These represent the most reliable airlines when flying from Seoul to Bangkok.

  • What are the cheapest flights from Seoul to Bangkok?

    Looking for the cheapest flight from Seoul to Bangkok? While on average our users pay ฿15,172, our data indicates the cheapest price to be ฿2,819. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around ฿4,575.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Seoul to Bangkok (average of ฿57). Flying from Seoul to Bangkok in December is currently the most expensive (average of ฿80). 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 Seoul to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Suvarnabhumi flights
Busan to Suvarnabhumi flights
Daegu to Suvarnabhumi flights
Busan to Chiang Mai flights
Busan to Krabi flights

Top 9 airlines flying from Seoul to Bangkok

Discover the top 9 airlines that operate flights from Seoul to Bangkok. 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 27 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest฿3,629Average฿7,844FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
T'way AirCheapest฿3,734Average฿6,913FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
AIR PREMIACheapest฿4,329Average฿8,370FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Jeju AirCheapest฿7,101Average฿12,072FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
China EasternCheapest฿7,361Average฿10,872FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Jin AirCheapest฿7,936Average฿9,044FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Asiana AirlinesCheapest฿8,815Average฿12,914FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Thai AirwaysCheapest฿10,235Average฿15,680FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Korean AirCheapest฿11,870Average฿16,341FlexibilityNo cancel feeOn-time81%
Search Korean Air 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 Seoul to Bangkok?

When you search for this flight from Seoul to Bangkok, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Seoul to Bangkok 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 Seoul to Bangkok with no change fees?

Certainly. Search results for flights to Bangkok from Seoul shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Bangkok from Seoul today and book when prices fit your budget.

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