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Cheap flights from Seoul to Bangkok Suvarnabhumi Airport from $107

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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

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 16 September 2025.

Round-trip from

$221

One-way from

$107

Popular in

January

Cheapest in

September

Average price

$252

Good round-trip deal

$257 or less

Good one-way deal

$99 or less
Jin Air
  • Jin Air
  • 10/10-23/10
  • Nonstop
  • 11h 20m total
  • Seoul to Bangkok
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Jin Air
  • Jin Air
  • 9/10
  • Nonstop
  • 5h 50m total
  • Seoul to Bangkok
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Highest demand for flights based on searches. 26% potential increase in price ($197 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Bangkok Suvarnabhumi.
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Price to beat on a one-way flight from Seoul (SEL) to Bangkok Suvarnabhumi.
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Find flight deals from Seoul to Suvarnabhumi

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 16 September 2025.

Sat 20/920:05ICN - BKK
Nonstop5h 50mJeju Air
Thu 25/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 15/9$170
Sun 14/919:55ICN - BKK
Nonstop5h 50mJin Air
Mon 29/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 13/9$195
Thu 18/920:05ICN - BKK
Nonstop5h 50mJeju Air
Wed 24/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 15/9$204
Fri 10/1019:55ICN - BKK
Nonstop5h 50mJin Air
Thu 23/1000:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 14/9$221
Thu 23/1018:00ICN - BKK
Nonstop6h 05mT'way Air
Sat 25/1000:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 14/9$230
Sat 20/916:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Sat 27/922:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 13/9$231
Thu 9/1019:55ICN - BKK
Nonstop5h 50mJin Air
Thu 23/1000:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 13/9$234
Fri 10/1019:55ICN - BKK
Nonstop5h 50mJin Air
Wed 15/1000:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 13/9$237
Sat 13/920:05ICN - BKK
Nonstop5h 54mJeju Air
Sun 14/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 13/9$239
Sun 28/920:05ICN - BKK
Nonstop5h 50mJeju Air
Thu 2/1001:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 15/9$240
Sat 27/919:55ICN - BKK
Nonstop5h 50mJin Air
Tue 30/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 13/9$248

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 16 September 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

Sat 11/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 23/10

00:55-08:25

Nonstop5h 30m

$221

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 18/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 23/10

00:05-07:40

Nonstop5h 35m

$230

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 10/10

20:05-23:55

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 18/10

01:00-08:40

Nonstop5h 40m

$255

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 15/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 18/10

00:55-08:25

Nonstop5h 30m

$260

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 19/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 26/10

01:30-09:00

Nonstop5h 30m

$294

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 13/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Fri 14/11

22:25-05:40

Nonstop5h 15m

$299

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 8/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 17/10

00:05-07:40

Nonstop5h 35m

$357

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 19/10

10:35-10:20

1 stop25h 45m

Bangkok Suvarnabhumi

Fri 24/10

19:30-06:40

1 stop9h 10m

$410

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 2/1

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Sat 10/1

22:10-16:30

1 stop16h 20m

$413

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 21/11

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Wed 26/11

22:25-05:40

Nonstop5h 15m

$417

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 22 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 12 September 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, February is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $489). Flying from Seoul to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $911). 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 16 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 46% on flights from Seoul to Bangkok Suvarnabhumi Airport by exploring options for tickets at midday.

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 16 September 2025.

The most flights from SEL to BKK are scheduled on a Monday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

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 16 September 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
1,139 reviews
Check prices

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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
1,139 reviews
Korean Air
8.4
Very Good
1,139 reviews
Check prices

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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 5h 50m. Jin Air provides one of the quickest options available for as low as $221. 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 $261. Another airline that can offer you cheap pricing is Korean Air. Users have found that Thai AirAsia X is 29% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is T'way Air, with whom users have recently found tickets for as low as $111. However, be on the lookout for offers from Jin Air and AIR PREMIA, as they are both options that can get you from Seoul to Bangkok Suvarnabhumi Airport for a low price.

  • 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: EL AL (98%), Turkish Airlines (98%), AIR PREMIA( 98%).

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

    On average you can expect to pay $413 for a flight from Seoul to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $99 while the most popular route, (Incheon Intl - Bangkok Suvarnabhumi) is currently priced at $1,013.

  • 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, February is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $489). Flying from Seoul to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $911). 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
Ko Lan
Cha-am
Kanchanaburi
Sattahip
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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest$261Average$335FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Korean AirCheapest$390Average$743FlexibilityNo 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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