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Cheap flights from Seoul to Bangkok Suvarnabhumi Airport from $102

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 27/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
18 Apr — 25 Apr1
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 Thursday 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 19 March 2026.

Mon 8/618:00
ICN
-
BKK
Nonstop6h 05m
T'way Air
Wed 10/600:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 16/3$226
Mon 8/618:00
ICN
-
BKK
Nonstop6h 05m
T'way Air
Tue 9/600:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 17/3$227
Sun 15/316:45
ICN
-
BKK
Nonstop6h 25m
Jin Air
Mon 29/600:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 14/3$239
Fri 20/319:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
Thu 4/600:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 18/3$240
Mon 29/618:00
ICN
-
BKK
Nonstop6h 05m
T'way Air
Fri 3/700:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 16/3$243
Mon 29/618:00
ICN
-
BKK
Nonstop6h 05m
T'way Air
Thu 2/700:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 17/3$244
Mon 16/319:30
ICN
-
BKK
Nonstop6h 15m
Jeju Air
Mon 20/401:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 14/3$246
Fri 20/319:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
Sun 19/400:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 16/3$247
Fri 27/319:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
Fri 17/400:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 17/3$248
Sun 15/319:30
ICN
-
BKK
Nonstop6h 15m
Jeju Air
Mon 20/401:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 14/3$250
Thu 19/319:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
Sun 19/400:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 14/3$256
Sun 10/517:15
ICN
-
BKK
Nonstop5h 55m
AIR PREMIA
Tue 12/522:45
BKK
-
ICN
Nonstop5h 30m
AIR PREMIA
Deal found 16/3$257

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 19 March 2026.

Round-trip from

$226

One-way from

$102

Popular in

January

Cheapest in

September

Average price

$284

Good round-trip deal

$413 or less
T'way Air
  • T'way Air
  • 31/5-3/6
  • Nonstop
  • 11h 40m total
  • Seoul to Bangkok
Search Deals
Eastar Jet
  • Eastar Jet
  • 27/3
  • Nonstop
  • 6h 20m total
  • Seoul to Bangkok
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($118 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Bangkok Suvarnabhumi.
Search Deals

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 19 March 2026.
Use the filters below to find and compare flights from Seoul to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 6/6

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 10/6

00:05-07:40

Nonstop5h 35m

$274

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 19/5

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Fri 22/5

15:55-05:50

1 stop11h 55m

$277

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 2/6

10:05-21:05

1 stop13h 00m

Bangkok Suvarnabhumi

Mon 8/6

22:15-16:35

1 stop16h 20m

$284

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 10/7

00:30-17:05

1 stop18h 35m

Bangkok Suvarnabhumi

Thu 16/7

18:05-06:00

1 stop9h 55m

$311

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 20/4

10:35-20:05

1 stop11h 30m

Bangkok Suvarnabhumi

Wed 20/5

22:15-16:35

1 stop16h 20m

$312
Fastest return journey

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 7/7

21:15-01:05

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 11/7

02:35-10:15

Nonstop5h 40m

$378

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 1/7

21:15-01:05

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 4/7

02:35-10:15

Nonstop5h 40m

$380

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 29/3

10:35-10:20

1 stop25h 45m

Bangkok Suvarnabhumi

Thu 2/4

18:05-06:00

1 stop9h 55m

$402

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 10/7

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sun 19/7

00:45-08:25

Nonstop5h 40m

$409

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 9/9

10:05-21:05

1 stop13h 00m

Bangkok Suvarnabhumi

Sun 13/9

14:25-05:50

2 stops13h 25m

$409

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 24 resultsSorted by cheapest first
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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 $133). Flying from Seoul to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of $192). 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 19 March 2026.

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 19 March 2026.

The most flights from SEL to BKK are scheduled on a Wednesday (46 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (45 on average).

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 $546.

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. Vietnam Airlines provides one of the quickest options available for as low as $274. There are 3663 km between Seoul and Bangkok Suvarnabhumi Airport. Both multi-stop and direct flights can be found to your destination and back.

  • 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: AIR PREMIA (96%), Kuwait Airways (96%), Air Busan( 92%).

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

    On average you can expect to pay $419 for a flight from Seoul to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $274 while the most popular route, (Incheon Intl - Bangkok Suvarnabhumi) is currently priced at $970.

  • 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 $133). Flying from Seoul to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of $192). 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
Cha-am
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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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

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 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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