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Cheap flights from Seoul to Bangkok Suvarnabhumi Airport from $110

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
30 Nov — 7 Dec1
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 Wednesday or Monday and return on a Tuesday

Find flight deals from Seoul to Suvarnabhumi

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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 31 October 2025.

Fri 28/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Wed 3/1201:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 29/10$227
Mon 24/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Wed 26/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 30/10$228
Sat 15/1119:30ICN - BKK
Nonstop6h 15mJeju Air
Wed 19/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 29/10$248
Sat 15/1119:30ICN - BKK
Nonstop6h 15mJeju Air
Mon 24/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 30/10$250
Sun 16/1119:30ICN - BKK
Nonstop6h 15mJeju Air
Thu 20/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 29/10$254
Tue 11/1119:30ICN - BKK
Nonstop6h 15mJeju Air
Tue 25/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 29/10$259
Mon 24/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Wed 3/1201:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 30/10$260
Sat 22/1119:30ICN - BKK
Nonstop6h 15mJeju Air
Tue 25/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 29/10$263
Sun 16/1117:10ICN - BKK
Nonstop6h 00mJin Air
Thu 20/1122:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 29/10$270
Sun 16/1117:10ICN - BKK
Nonstop6h 00mJin Air
Wed 19/1122:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 30/10$271
Mon 17/1119:30ICN - BKK
Nonstop6h 15mJeju Air
Tue 25/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 29/10$276
Mon 17/1119:30ICN - BKK
Nonstop6h 15mJeju Air
Wed 19/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 30/10$277

Cheap 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 31 October 2025.

Round-trip from

$227

One-way from

$110

Popular in

January

Cheapest in

September

Average price

$448

Good one-way deal

$161 or less
T'way Air
  • T'way Air
  • 28/11-10/12
  • Nonstop
  • 11h 50m total
  • Seoul to Bangkok
Search Deals
T'way Air
  • T'way Air
  • 24/11
  • Nonstop
  • 6h 20m total
  • Seoul to Bangkok
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($212 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way 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 31 October 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

Sun 30/11

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Mon 1/12

01:00-08:25

Nonstop5h 25m

$318

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 11/12

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Tue 16/12

22:55-06:35

Nonstop5h 40m

$321

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 4/12

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Tue 9/12

22:55-06:35

Nonstop5h 40m

$321

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 6/3

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 10/3

01:30-09:00

Nonstop5h 30m

$323

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 25/3

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 27/3

01:30-09:00

Nonstop5h 30m

$323

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 15/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 17/11

01:30-09:00

Nonstop5h 30m

$324

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 20/11

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Fri 21/11

01:00-08:25

Nonstop5h 25m

$350

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 23/4

10:05-18:05

1 stop10h 00m

Bangkok Suvarnabhumi

Wed 29/4

19:05-05:50

1 stop8h 45m

$353

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 12/12

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Tue 16/12

01:00-08:25

Nonstop5h 25m

$358

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 13/12

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Fri 19/12

22:25-06:05

Nonstop5h 40m

$367

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 23 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

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

Use this chart to determine the optimal time to book a return flight from Seoul to Suvarnabhumi. Price data was last updated on 24 October 2025.

The best time to book flights from Seoul to Bangkok Suvarnabhumi Airport is 49 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 Seoul to Bangkok Suvarnabhumi Airport?

Currently, August is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $158). Flying from Seoul to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $346). 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 31 October 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 31 October 2025.

The most flights from SEL to BKK are scheduled on a Wednesday (40 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 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 $589.

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.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated 31 October 2025.
Read through reviews of airlines operating flights from Seoul to Bangkok Suvarnabhumi Airport, such as Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,155 reviews
Korean Air
8.4
Very Good
1,155 reviews
Check prices

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 10m. Jeju Air provides one of the quickest options available for as low as $321. There are 3663 km between Seoul and Bangkok Suvarnabhumi Airport. Generally, flights for this route are direct.

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

    Cheapflights users have booked flights from Seoul to Bangkok Suvarnabhumi Airport round-trip from $259. Another airline that can offer you cheap pricing is Korean Air. Users have found that Thai AirAsia X is 30% cheaper than the other options available to this destination.

  • 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: Oman Air (99%), T'way Air (97%), Turkish Airlines( 97%).

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

    On average you can expect to pay $170 for a flight from Seoul to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $146 while the most popular route, (Incheon Intl - Bangkok Suvarnabhumi) is currently priced at $373.

  • 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, August is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $158). Flying from Seoul to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $346). 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
Ko Samet
Chonburi
Ko Lan
Kanchanaburi
Sattahip
Cha-am
Ayutthaya

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

Top 2 airlines flying from Seoul to Suvarnabhumi

Discover the top 2 airlines that operate flights from Seoul to Suvarnabhumi. 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 647,157 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest$259Average$292FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Korean AirCheapest$396Average$754FlexibilityNo cancel feeOn-time81%
Search Korean Air 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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