Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seoul to Bangkok Suvarnabhumi Airport from $122

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
29 Apr — 6 May1
1 adult

Cheapflights Tip: The best prices from Seoul to Bangkok Suvarnabhumi are usually found in June or May, booked 34 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 24 April 2025.

Round-trip from

$214

One-way from

$122

Popular in

January

Cheapest in

June

Average price

$377

Good round-trip deal

$565 or less

Good one-way deal

$160 or less
T'way Air
  • T'way Air
  • 19/5-21/5
  • Nonstop
  • 12h 10m total
  • Seoul to Bangkok
Search Deals
Vietnam Airlines
  • Vietnam Airlines
  • 15/10
  • 1 total stop
  • 18h 45m total
  • Seoul to Bangkok
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($147 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
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.
Search Deals

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 24 April 2025.

Mon 19/518:00ICN - BKK
Nonstop6h 35mT'way Air
Wed 21/500:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 24/4$214
Sun 18/520:05ICN - BKK
Nonstop5h 54mJeju Air
Wed 28/501:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 24/4$216
Thu 22/516:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Tue 27/522:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 24/4$222
Thu 12/618:05ICN - BKK
1 stop18h 45mVietnam Airlines
Sun 15/615:55BKK - ICN
1 stop11h 55mVietnam Airlines
Deal found 24/4$241
Mon 1/919:55ICN - BKK
Nonstop5h 50mJin Air
Thu 4/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 23/4$294
Thu 8/516:40ICN - BKK
1 stop20h 30mShenzhen Airlines
Tue 13/503:15BKK - ICN
1 stop10h 25mShenzhen Airlines
Deal found 23/4$390
Wed 8/1008:00ICN - BKK
1 stop30h 15mPhilippine Airlines
Mon 20/1018:40BKK - ICN
1 stop9h 20mPhilippine Airlines
Deal found 23/4$424
Wed 11/602:10ICN - BKK
1 stop12h 55mMultiple Airlines
Sat 14/600:05BKK - ICN
Nonstop5h 35mMultiple Airlines
Deal found 24/4$455
Fri 9/500:10ICN - BKK
1 stop19h 10mMalaysia Airlines
Tue 13/517:15BKK - ICN
1 stop11h 55mMalaysia Airlines
Deal found 24/4$457
Mon 26/521:15ICN - BKK
Nonstop5h 50mKorean Air
Sat 14/602:35BKK - ICN
Nonstop5h 40mKorean Air
Deal found 23/4$482
Thu 24/410:10ICN - BKK
1 stop8h 20mCathay Pacific
Thu 24/419:00BKK - ICN
1 stop15h 40mCathay Pacific
Deal found 23/4$487
Thu 22/514:00ICN - BKK
1 stop13h 50mShandong Airlines
Sat 24/502:50BKK - ICN
1 stop9h 40mShandong Airlines
Deal found 24/4$488

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 24 April 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

Mon 19/5

18:00-22:35

Nonstop6h 35m

Bangkok Suvarnabhumi

Thu 22/5

00:05-07:40

Nonstop5h 35m

$214

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 18/5

20:05-23:59

Nonstop5h 54m

Bangkok Suvarnabhumi

Wed 28/5

01:00-08:40

Nonstop5h 40m

$216

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 22/5

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Sat 24/5

22:45-06:25

Nonstop5h 40m

$222

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 12/6

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Sun 15/6

15:55-05:50

1 stop11h 55m

$241

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 1/9

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 4/9

00:55-08:25

Nonstop5h 30m

$294

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 8/5

16:40-11:10

1 stop20h 30m

Bangkok Suvarnabhumi

Tue 13/5

03:15-15:40

1 stop10h 25m

$390

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 25/6

07:20-10:55

Nonstop5h 35m

Bangkok Suvarnabhumi

Tue 1/7

01:20-08:45

Nonstop5h 25m

$415

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 8/10

08:00-12:15

1 stop30h 15m

Bangkok Suvarnabhumi

Mon 20/10

18:40-06:00

1 stop9h 20m

$424

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 11/6

02:10-13:05

1 stop12h 55m

Bangkok Suvarnabhumi

Sat 14/6

00:05-07:40

Nonstop5h 35m

$455

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 9/5

00:10-17:20

1 stop19h 10m

Bangkok Suvarnabhumi

Tue 13/5

11:05-07:10

1 stop18h 05m

$457

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 28 results
1
2
3

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 18 April 2025.

The best time to book flights from Seoul to Bangkok Suvarnabhumi Airport is 34 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 24 April 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Seoul to Bangkok Suvarnabhumi Airport by exploring options for tickets in the afternoon.

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 24 April 2025.

The most flights from SEL to BKK are scheduled on a Wednesday (30 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 10.0 mm.

Temperature in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 24 April 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Asiana Airlines from Seoul to Bangkok to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very Good
1,180 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very Good
1,063 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Asiana Airlines
8.2
Very Good
443 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
AIR PREMIA
8.2
Very Good
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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.

  • 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 $214. Other airlines that can offer you cheap pricing are Jeju Air, from $216, and AIR PREMIA, from $222. Users have found that T'way Air is 50% 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 Vietnam Airlines, with whom users have recently found tickets for as low as $122. However, be on the lookout for offers from Jin Air and T'way Air, 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: Oman Air (86%), Turkish Airlines (86%), EL AL( 75%).

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

    On average you can expect to pay $558 for a flight from Seoul to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $156 while the most popular route, (Incheon Intl - Bangkok Suvarnabhumi) is currently priced at $366.

  • 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 Seoul?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest$272Average$435FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Korean AirCheapest$534Average$651FlexibilityNo cancel feeOn-time81%
Search Korean Air 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights