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Cheap flights from Seoul to Bangkok Suvarnabhumi Airport from $133

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
19 Jan — 26 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Seoul to Bangkok Suvarnabhumi are usually found in September or June, booked 49 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Seoul to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Seoul to Suvarnabhumi
Explore the most affordable flight options available from Seoul to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 December 2025.

Sun 21/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 31/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 18/12$407
Mon 29/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Wed 7/122:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$408
Mon 29/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Tue 10/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$423
Mon 22/1217:10ICN - BKK
Nonstop6h 00mJin Air
Wed 7/122:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 20/12$432
Mon 22/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Fri 9/122:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 20/12$438
Mon 22/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 5/102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$441
Mon 22/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Fri 20/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$454
Mon 22/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 22/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$466
Mon 22/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Tue 30/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$467
Mon 29/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Thu 1/122:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 20/12$469
Sun 28/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 5/102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 18/12$470

Find flight deals from Seoul to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Suvarnabhumi (BKK). 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 20 December 2025.

Round-trip from

$252

One-way from

$133

Popular in

January

Cheapest in

September

Average price

$434

Good round-trip deal

$392 or less

Good one-way deal

$324 or less
T'way Air
  • T'way Air
  • 8/6-1/7
  • Nonstop
  • 11h 40m total
  • Seoul to Bangkok
Search Deals
Jeju Air
  • Jeju Air
  • 7/4
  • Nonstop
  • 6h 05m total
  • Seoul to Bangkok
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($173 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Bangkok Suvarnabhumi.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Bangkok Suvarnabhumi.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Seoul to Suvarnabhumi 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 647,157 searches. Data last updated 20 December 2025.
Use the filters below to find and compare flights from Seoul to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Seoul

Fly to

Suvarnabhumi

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 12/3

22:25-06:20

Nonstop5h 55m

$284

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 20/3

22:25-06:20

Nonstop5h 55m

$284

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 18/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 24/3

22:25-06:20

Nonstop5h 55m

$286

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/6

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 29/6

01:10-08:55

Nonstop5h 45m

$295

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 10/3

12:10-16:20

Nonstop6h 10m

Bangkok Suvarnabhumi

Wed 11/3

02:25-09:55

Nonstop5h 30m

$298

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 30/5

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 2/6

00:05-07:40

Nonstop5h 35m

$302

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 7/4

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 13/4

01:10-08:55

Nonstop5h 45m

$311

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 21/4

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 25/4

00:05-07:40

Nonstop5h 35m

$311

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 18/2

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Tue 17/3

01:00-08:25

Nonstop5h 25m

$343

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 19/4

10:05-10:50

1 stop26h 45m

Bangkok Suvarnabhumi

Thu 23/4

11:55-05:50

1 stop15h 55m

$349

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 21 results
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Best time to book a flight from Seoul to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi 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 Suvarnabhumi Airport

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

Currently, November is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $145). Flying from Seoul to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $334). 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 Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 December 2025.

When flying from Seoul to Bangkok Suvarnabhumi Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Seoul to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Seoul to Suvarnabhumi. 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 20 December 2025.

The most flights from SEL to BKK are scheduled on a Friday (46 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (44 on average).

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

What’s the top stopover airport for flights from Seoul to Bangkok Suvarnabhumi Airport?

Share of one-stop return flights from Seoul to Bangkok Suvarnabhumi Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Hanoi (HAN) – chosen by Cheapflights users on 67% of one-stop itineraries from Seoul to Bangkok Suvarnabhumi Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Seoul to Bangkok Suvarnabhumi Airport?

Average return fare for one-stop flights from Seoul to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Hanoi (HAN) is the most affordable one-stop option, with an average return flight price of $585.

What’s the fastest stopover option from Seoul to Bangkok Suvarnabhumi Airport?

Shortest average travel time for one-stop one-way flights from Seoul to Bangkok Suvarnabhumi Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Hanoi (HAN) have the shortest average one-way travel time for one-stop routes: 10h 00m.

Which airport typically offers the quickest stopover for flights from Seoul to Bangkok Suvarnabhumi Airport?

Average stopover duration for one-stop one-way flights from Seoul to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hanoi (HAN) offer the fastest connection on this route, with an average stopover time of 3h 10m.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Suvarnabhumi. 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 Seoul to Bangkok Suvarnabhumi Airport?

    A quick flight from Seoul to Bangkok Suvarnabhumi Airport can take about 6h 05m. Eastar Jet provides one of the quickest options available for as low as $295. There are 3663 km between Seoul and Bangkok Suvarnabhumi Airport. Generally, flights for this route are direct.

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

    Before booking your flight to Bangkok Suvarnabhumi Airport from Seoul, have a look at the most reliable airlines to get you to your destination on time: Kuwait Airways (92%), Air Busan (91%), AIR PREMIA( 91%).

  • What are the cheapest flights from Seoul to Bangkok Suvarnabhumi Airport?

    On average you can expect to pay $447 for a flight from Seoul to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $319 while the most popular route, (Incheon Intl - Bangkok Suvarnabhumi) is currently priced at $909.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seoul to Suvarnabhumi 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 Suvarnabhumi Airport?

    Currently, November is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $145). Flying from Seoul to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $334). 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

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Chonburi
Ko Samet
Kanchanaburi
Sattahip
Cha-am
Ayutthaya
Ko Lan

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Alternative routes for Seoul to Suvarnabhumi

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

Fly with Cheapflights

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

When you search for this flight from Seoul to Suvarnabhumi, 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 Suvarnabhumi?

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

Yes, we can. To see specific flights from Seoul to Suvarnabhumi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Seoul to Suvarnabhumi flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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