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Cheap flights from Seoul to Bangkok from £52

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Bangkok departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Jeju Air Logo
20:05 - 23:55ICN-BKK
5h 50mdirect
Jeju Air Logo
01:00 - 08:40BKK-ICN
5h 40mdirect
£100Jeju Air
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Mon, 13 Oct - Thu, 23 Oct
Jin Air Logo
19:55 - 23:45ICN-BKK
5h 50mdirect
Jin Air Logo
00:55 - 08:25BKK-ICN
5h 30mdirect
£108Jin Air
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Fri, 10 Oct - Thu, 23 Oct
T'way Air Logo
18:00 - 22:05ICN-BKK
6h 05mdirect
T'way Air Logo
00:05 - 07:40BKK-ICN
5h 35mdirect
£112T'way Air
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Tue, 21 Oct - Thu, 23 Oct
AIR PREMIA Logo
16:50 - 21:10ICN-BKK
6h 20mdirect
AIR PREMIA Logo
22:45 - 06:25BKK-ICN
5h 40mdirect
£113AIR PREMIA
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Wed, 15 Oct - Mon, 20 Oct
AIR PREMIA Logo
16:50 - 21:10ICN-BKK
6h 20mdirect
AIR PREMIA Logo
22:45 - 06:25BKK-ICN
5h 40mdirect
£114AIR PREMIA
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Sun, 12 Oct - Mon, 20 Oct
Jin Air Logo
19:55 - 23:45ICN-BKK
5h 50mdirect
Jin Air Logo
00:55 - 08:25BKK-ICN
5h 30mdirect
£114Jin Air
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Sun, 12 Oct - Thu, 23 Oct
T'way Air Logo
18:00 - 22:05ICN-BKK
6h 05mdirect
T'way Air Logo
00:05 - 07:40BKK-ICN
5h 35mdirect
£129T'way Air
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Sat, 11 Oct - Sat, 18 Oct
Vietnam Airlines Logo
18:05 - 10:50ICN-BKK
18h 45m1 stop
Vietnam Airlines Logo
21:15 - 16:25BKK-ICN
17h 10m1 stop
£136Vietnam Airlines
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Thu, 16 Oct - Tue, 18 Nov
Vietnam Airlines Logo
11:05 - 17:05ICN-BKK
8h 00m1 stop
Vietnam Airlines Logo
22:10 - 16:30BKK-ICN
16h 20m1 stop
£140Vietnam Airlines
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Mon, 20 Oct - Thu, 13 Nov
Multiple Airlines Logo
07:00 - 19:55ICN-BKK
14h 55m1 stop
Multiple Airlines Logo
01:45 - 09:20BKK-ICN
5h 35mdirect
£153Multiple Airlines
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Fri, 26 Sep - Tue, 30 Sep

Jeju Air flights from Seoul to Bangkok Suvarnabhumi Airport

Our best Jeju Air deals on Seoul to Bangkok Suvarnabhumi Airport flight tickets
Jeju Air
20 Sept
ICN20:05Incheon Intl
5h 50m
BKK23:55Bangkok Suvarnabhumi
25 Sept
BKK01:00Bangkok Suvarnabhumi
5h 40m
ICN08:40Incheon Intl
£83
Find similar
Jeju Air
13 Oct
ICN20:05Incheon Intl
5h 50m
BKK23:55Bangkok Suvarnabhumi
23 Oct
BKK01:00Bangkok Suvarnabhumi
5h 40m
ICN08:40Incheon Intl
£100
Find similar
Jeju Air
16 Oct
ICN20:05Incheon Intl
5h 50m
BKK23:55Bangkok Suvarnabhumi
25 Oct
BKK01:00Bangkok Suvarnabhumi
5h 40m
ICN08:40Incheon Intl
£117
Find similar

AIR PREMIA flights from Seoul to Bangkok Suvarnabhumi Airport

Our best AIR PREMIA deals on Seoul to Bangkok Suvarnabhumi Airport flight tickets
AIR PREMIA
15 Oct
ICN16:50Incheon Intl
6h 20m
BKK21:10Bangkok Suvarnabhumi
20 Oct
BKK22:45Bangkok Suvarnabhumi
5h 40m
ICN06:25Incheon Intl
£113
Find similar
AIR PREMIA
12 Oct
ICN16:50Incheon Intl
6h 20m
BKK21:10Bangkok Suvarnabhumi
20 Oct
BKK22:45Bangkok Suvarnabhumi
5h 40m
ICN06:25Incheon Intl
£114
Find similar
AIR PREMIA
20 Sept
ICN16:50Incheon Intl
6h 20m
BKK21:10Bangkok Suvarnabhumi
27 Sept
BKK22:45Bangkok Suvarnabhumi
5h 40m
ICN06:25Incheon Intl
£123
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Seoul to Bangkok Suvarnabhumi Airport 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, momondo users made 279,928 searches. Data last updated 17 September 2025.
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

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 13/10

20:05-23:55

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 23/10

01:00-08:40

Nonstop5h 40m

£100

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 10/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 23/10

00:55-08:25

Nonstop5h 30m

£108

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 21/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 23/10

00:05-07:40

Nonstop5h 35m

£112

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 15/10

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 20/10

22:45-06:25

Nonstop5h 40m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 12/10

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 20/10

22:45-06:25

Nonstop5h 40m

£114

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 12/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 23/10

00:55-08:25

Nonstop5h 30m

£114

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 11/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 18/10

00:05-07:40

Nonstop5h 35m

£129

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 16/10

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Tue 18/11

21:15-16:25

1 stop17h 10m

£136

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 20/10

11:05-17:05

1 stop8h 00m

Bangkok Suvarnabhumi

Thu 13/11

22:10-16:30

1 stop16h 20m

£140

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 26/9

07:00-19:55

1 stop14h 55m

Bangkok Suvarnabhumi

Tue 30/9

01:45-09:20

Nonstop5h 35m

£153

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bangkok from

How to get the cheapest flight ticket from Seoul to Bangkok Suvarnabhumi Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seoul and Bangkok Suvarnabhumi Airport?

What is the cheapest month to fly to Bangkok Suvarnabhumi Airport?

If you don’t want to visit Bangkok Suvarnabhumi Airport in September, then you should wait until June to fly from Seoul, when ticket prices are also cheap, with an average price of £130.

What is the cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport?

According to our data, Wednesday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Seoul. The lowest ticket price found for a Wednesday departure recently was £257. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Bangkok Suvarnabhumi Airport for around £584.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the evening. momondo users have found flights departing from Seoul to Bangkok Suvarnabhumi Airport in the evening for as low as £267. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £498 on average. Flights to Bangkok Suvarnabhumi Airport from Seoul in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Seoul to Bangkok Suvarnabhumi flight route?

Fly from Incheon Intl to Bangkok Suvarnabhumi for the best Seoul - Bangkok Suvarnabhumi flight prices

How far in advance should I book a flight to Bangkok Suvarnabhumi Airport?

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £183 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Seoul for as low as £169 on momondo.

What cabin class options are available on Seoul to Bangkok Suvarnabhumi flights?

There are 3 cabin classes available to choose from on Seoul to Bangkok Suvarnabhumi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seoul to Bangkok Suvarnabhumi Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a Seoul to Bangkok Suvarnabhumi Airport flight.

How have Seoul to Bangkok Suvarnabhumi Airport flight prices changed over time?

As of September 2025, prices for Seoul to Bangkok Suvarnabhumi Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to Bangkok Suvarnabhumi Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to Bangkok Suvarnabhumi Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seoul to Bangkok Suvarnabhumi Airport (SEL to BKK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to Bangkok Suvarnabhumi Airport

Best price found

£74

Fastest flight time

5h 40m

Direct flights

Every day
The best one-way flight to Bangkok Suvarnabhumi Airport from Seoul in the past 72 hours is £74. The best return flight deal from Seoul to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is £507.
The fastest flight from Seoul to Bangkok Suvarnabhumi Airport takes 5h 40m
Direct flights go from Seoul to Bangkok Suvarnabhumi Airport every day.
Search flight deals

  • How far is Seoul to Bangkok Suvarnabhumi by plane?

    Seoul and Bangkok Suvarnabhumi are 2303.7 mi apart from one another. A reasonable flight in good conditions will take 5h 50m.

  • When did momondo last update prices for flights from Seoul to Bangkok Suvarnabhumi Airport?

    Prices for flights from Seoul to Bangkok Suvarnabhumi Airport were last updated today.

  • How many operators does momondo search for flights from Seoul to Bangkok Suvarnabhumi Airport?

  • How old do you have to be to fly from Seoul to Bangkok Suvarnabhumi Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Bangkok Suvarnabhumi Airport.

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The travel and health documents required for your trip to Bangkok Suvarnabhumi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok Suvarnabhumi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seoul to Bangkok Suvarnabhumi Airport?

  • What is the most popular airline from Seoul to Bangkok Suvarnabhumi Airport?

Best airlines flying from Seoul to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Seoul to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
Thai AirAsia XPriceFrom £106Free CancellationRating
5.5
24 reviews
Search Thai AirAsia X flights
Jeju AirPriceFrom £148Free CancellationRating
7.7
33 reviews
Search Jeju Air flights

  • Jeju Air Flights From Seoul to Bangkok Suvarnabhumi Airport

    Jeju Air is one of the most popular airlines flying from Seoul to Bangkok Suvarnabhumi Airport, operating 4 flights/week on average for this route. A good Jeju Air flight deal for Seoul to Bangkok Suvarnabhumi Airport starts from £202 round-trip, up to an average price of £364. Our users have rated Jeju Air at 7.7/10.

Travelling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Cha-am
Ayutthaya
Kanchanaburi
Sattahip
Ko Lan
Chonburi
Pak Chong
Phetchaburi

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Bangkok?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Bangkok . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Bangkok with flexible booking policies on momondo?

Flights from Seoul to Bangkok with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Bangkok?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Bangkok.

I’m not ready to book a flight from Seoul to Bangkok right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bangkok, momondo offers a useful price alert feature which will track prices for flights to Bangkok from Seoul and alert you when they change.

An easier way to manage your Bangkok Suvarnabhumi Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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