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Cheap flights from Seoul to Bangkok Suvarnabhumi Airport from $166

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

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 7 August 2026.

Sat 26/919:55 -
Nonstop5h 50m
Tue 29/900:45 -
Nonstop5h 40m
Deal found 7/8$308
Wed 26/820:05 -
Nonstop6h 05m
Wed 16/901:10 -
Nonstop5h 45m
Deal found 7/8$310
Sun 16/820:05 -
Nonstop6h 05m
Thu 20/801:10 -
Nonstop5h 45m
Deal found 7/8$315
Sun 6/917:15 -
Nonstop5h 55m
Tue 15/922:45 -
Nonstop5h 30m
Deal found 7/8$317
Sun 27/919:55 -
Nonstop5h 50m
Thu 1/1000:45 -
Nonstop5h 40m
Deal found 7/8$318
Sun 20/920:05 -
Nonstop6h 05m
Mon 28/901:10 -
Nonstop5h 45m
Deal found 7/8$321
Sun 13/920:05 -
Nonstop6h 05m
Mon 28/901:10 -
Nonstop5h 45m
Deal found 6/8$322
Sun 16/820:05 -
Nonstop6h 05m
Wed 19/801:10 -
Nonstop5h 45m
Deal found 6/8$324
Thu 10/920:05 -
Nonstop6h 05m
Tue 15/901:10 -
Nonstop5h 45m
Deal found 7/8$325
Sun 23/817:15 -
Nonstop5h 55m
Tue 25/822:45 -
Nonstop5h 30m
Deal found 7/8$328
Tue 25/818:00 -
Nonstop6h 05m
Tue 8/900:05 -
Nonstop5h 35m
Deal found 5/8$330
Thu 17/920:05 -
Nonstop6h 05m
Sat 19/901:10 -
Nonstop5h 45m
Deal found 6/8$331

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 7 August 2026.

Round-trip from

$308

One-way from

$166

Popular in

June

Cheapest in

September

Average price

$334

Good one-way deal

$213 or less
Jin Air
  • Jin Air
  • 26/9-29/9
  • Nonstop
  • 11h 30m total
  • Seoul to Bangkok
Search Deals
Jin Air
  • Jin Air
  • 17/8
  • Nonstop
  • 5h 50m total
  • Seoul to Bangkok
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($126 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 7 August 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 Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Thu 20/8

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 31/8

01:10-08:55

Nonstop5h 45m

$341

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Thu 10/9

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 16/9

01:10-08:55

Nonstop5h 45m

$345

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Tue 8/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 12/9

00:05-07:40

Nonstop5h 35m

$347

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Wed 9/9

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 17/9

01:10-08:55

Nonstop5h 45m

$349
Fastest return journey

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Sun 20/9

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Tue 29/9

22:45-06:15

Nonstop5h 30m

$352

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Fri 4/9

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 18/9

01:10-08:55

Nonstop5h 45m

$354

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Sun 6/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 11/9

00:05-07:40

Nonstop5h 35m

$356

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Mon 12/10

00:30-17:05

1 stop18h 35m

Bangkok Suvarnabhumi

Sun 18/10

21:00-16:25

1 stop17h 25m

$365

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Fri 16/10

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Tue 27/10

22:55-06:35

Nonstop5h 40m

$368

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Fri 11/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 12/9

00:05-07:40

Nonstop5h 35m

$371

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 23 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, September is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $226). Flying from Seoul to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $479). 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 7 August 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 7 August 2026.

The most flights from SEL to BKK are scheduled on a Wednesday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

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

Airfare is typical for this route at the moment.
Seoul to Bangkok Suvarnabhumi Airport flights typically cost between $261 and $432 in September.
The cheapest return price found within the last 5 days was $308 on Jin Air (26 Sept–29 Sept).

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.

Guangzhou (CAN) – chosen by Cheapflights users on 50% 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 $185.

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 Guangzhou (CAN) have the shortest average one-way travel time for one-stop routes: 9h 40m.

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 Guangzhou (CAN) offer the fastest connection on this route, with an average stopover time of 2h 15m.

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

The best time to book flights from Seoul to Bangkok Suvarnabhumi Airport is 19 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.

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 55m. AIR PREMIA provides one of the quickest options available for as low as $317. 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: AIR PREMIA (100%), Kuwait Airways (98%), EL AL( 95%).

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

    On average you can expect to pay $360 for a flight from Seoul to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $145 while the most popular route, (Incheon Intl - Bangkok Suvarnabhumi) is currently priced at $615.

  • 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, September is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $226). Flying from Seoul to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $479). 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
Ko Lan
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

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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