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Cheap flights from Seoul to Bangkok from ฿2,118

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
1 Jul — 8 Jul1
1 adult

Cheapflights Tip: The best prices from Seoul to Bangkok are usually found in June or May, booked 49 days in advance, depart on a Thursday or Sunday and return on a Friday

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 26 June 2025.

Round-trip from

฿3,975

One-way from

฿2,118

Popular in

January

Cheapest in

June

Average price

฿5,832
Vietnam Airlines
  • Vietnam Airlines
  • 24/9-30/10
  • 2 total stops
  • 32h 35m total
  • Seoul to Bangkok
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T'way Air
  • T'way Air
  • 15/7
  • Nonstop
  • 6h 35m total
  • Seoul to Bangkok
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Highest demand for flights based on searches. 22% potential increase in price (฿79,792 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (฿10,754 potential savings vs. average return price).
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Average for round-trip flights in June 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 26 June 2025.

Thu 30/1018:05ICN - BKK
1 stop22h 40mVietnam Airlines
Sun 30/1119:00BKK - ICN
1 stop19h 30mVietnam Airlines
Deal found 26/6฿3,877
Sat 23/818:00ICN - BKK
Nonstop6h 35mT'way Air
Mon 25/800:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 24/6฿4,105
Tue 15/716:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Thu 17/722:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 26/6฿4,236
Mon 1/917:30ICN - BKK
Nonstop5h 50mEastar Jet
Thu 4/922:20BKK - ICN
Nonstop5h 40mEastar Jet
Deal found 24/6฿4,464
Wed 16/720:05ICN - BKK
Nonstop5h 54mJeju Air
Fri 18/701:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 25/6฿4,724
Mon 22/911:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Sun 28/902:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Deal found 24/6฿5,148
Mon 7/717:15ICN - BKK
Nonstop6h 05mAir Busan
Thu 10/722:20BKK - ICN
Nonstop5h 45mAir Busan
Deal found 24/6฿5,278
Tue 2/916:45ICN - BKK
1 stop23h 20mChina Southern
Mon 8/913:45BKK - ICN
1 stop22h 10mChina Southern
Deal found 25/6฿5,865
Mon 14/711:35ICN - DMK
Nonstop6h 10mMultiple Airlines
Mon 21/710:30DMK - ICN
1 stop17h 45mMultiple Airlines
Deal found 25/6฿6,191
Thu 21/811:05ICN - BKK
1 stop8h 00mMultiple Airlines
Sat 23/802:50BKK - ICN
1 stop10h 55mMultiple Airlines
Deal found 26/6฿6,419
Thu 21/820:30ICN - BKK
1 stop27h 55mPhilippine Airlines
Sat 23/813:30BKK - ICN
1 stop14h 30mPhilippine Airlines
Deal found 26/6฿6,484
Tue 8/706:25GMP - BKK
2 stops20h 40mMultiple Airlines
Tue 15/714:00BKK - GMP
2 stops17h 35mMultiple Airlines
Deal found 25/6฿7,201

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 26 June 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

Thu 30/10

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Sun 30/11

19:00-16:30

1 stop19h 30m

฿3,877

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 23/8

18:00-22:35

Nonstop6h 35m

Bangkok Suvarnabhumi

Mon 25/8

00:05-07:40

Nonstop5h 35m

฿4,105

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 15/7

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 17/7

22:45-06:25

Nonstop5h 40m

฿4,236

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 1/9

17:30-21:20

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 4/9

22:20-06:00

Nonstop5h 40m

฿4,464

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 16/7

20:05-23:59

Nonstop5h 54m

Bangkok Suvarnabhumi

Fri 18/7

01:00-08:40

Nonstop5h 40m

฿4,724

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Mon 22/9

11:35-15:45

Nonstop6h 10m

Bangkok Don Mueang Intl

Sun 28/9

02:45-10:20

Nonstop5h 35m

฿5,148

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 7/7

17:15-21:20

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 10/7

22:20-06:05

Nonstop5h 45m

฿5,278

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 2/9

16:45-14:05

1 stop23h 20m

Bangkok Suvarnabhumi

Mon 8/9

13:45-13:55

1 stop22h 10m

฿5,865

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 16/7

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Wed 23/7

00:55-08:25

Nonstop5h 30m

฿6,028

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Mon 14/7

11:35-15:45

Nonstop6h 10m

Bangkok Don Mueang Intl

Mon 21/7

10:30-06:15

1 stop17h 45m

฿6,191

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 50 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 20 June 2025.

To ensure you get the cheapest price possible for a flight from Seoul to Bangkok, you should look to book at least 49 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 ฿79). 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 26 June 2025.

A simple way to save on the total cost of your ticket is to fly from Seoul to Bangkok at midday. If you’re flexible enough to do this you can expect to save up to 39% 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 26 June 2025.

The most flights from SEL to TH1 are scheduled on a Monday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 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 26 June 2025.
Read through reviews of airlines operating flights from Seoul to Bangkok, such as EVA Air, AIR PREMIA, andThai Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,208 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

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
1,208 reviews
EVA Air
8.4
Very Good
1,208 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

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
1,208 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

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
1,208 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

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 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 Vietnam Airlines is currently your cheapest option to Bangkok, with prices starting at ฿3,975. Additional round-trip tickets that might be worth considering are offered by T'way Air and Eastar Jet, with the lowest prices starting at ฿4,105 and ฿4,464, respectively. These flights start at 53% 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 T'way Air (฿2,118), Eastar Jet (฿2,150), and Vietnam Airlines (฿2,313).

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

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

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

    Consider T'way Air (100%), โอมานแอร์ (97%) or เตอร์กิชแอร์ไลน์ (94%) 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 ฿6,661, our data indicates the cheapest price to be ฿2,015. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around ฿4,236.

  • 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 ฿79). 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 6 airlines flying from Seoul to Bangkok

Discover the top 6 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 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest฿3,541Average฿7,881FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
T'way AirCheapest฿3,644Average฿6,289FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
AIR PREMIACheapest฿4,224Average฿8,414FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Jeju AirCheapest฿7,200Average฿13,786FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Asiana AirlinesCheapest฿8,601Average฿12,601FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Thai AirwaysCheapest฿9,987Average฿15,093FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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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