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Cheap flights from Seoul to Bangkok from $145

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 24/3. 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

Enter your travel dates to find the best prices.
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$207Eastar Jet
Sat, 14 Mar - Thu, 19 Mar
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$210Eastar Jet
Mon, 9 Mar - Fri, 13 Mar
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$230Eastar Jet
Tue, 10 Feb - Fri, 13 Mar
T'way Air Logo
19:50 - 00:10
ICN
-
BKK
6h 20mdirect
T'way Air Logo
01:30 - 09:00
BKK
-
ICN
5h 30mdirect
$246T'way Air
Tue, 24 Feb - Wed, 25 Feb
T'way Air Logo
19:50 - 00:10
ICN
-
BKK
6h 20mdirect
T'way Air Logo
01:30 - 09:00
BKK
-
ICN
5h 30mdirect
$248T'way Air
Thu, 5 Feb - Fri, 13 Feb
T'way Air Logo
19:50 - 00:10
ICN
-
BKK
6h 20mdirect
T'way Air Logo
01:30 - 09:00
BKK
-
ICN
5h 30mdirect
$249T'way Air
Thu, 5 Feb - Wed, 11 Feb
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$257Eastar Jet
Sat, 28 Feb - Thu, 5 Mar
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$258Eastar Jet
Mon, 2 Mar - Wed, 11 Mar
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$259Eastar Jet
Sat, 28 Feb - Thu, 5 Mar
Jeju Air Logo
19:30 - 23:45
ICN
-
BKK
6h 15mdirect
Jeju Air Logo
01:00 - 08:25
BKK
-
ICN
5h 25mdirect
$261Jeju Air
Sat, 7 Feb - Wed, 11 Feb

Jeju Air flights from Seoul to Bangkok Suvarnabhumi Airport

Our best Jeju Air deals on Seoul to Bangkok Suvarnabhumi Airport flight tickets
Jeju Air
7 Feb
ICN19:30Incheon Intl
6h 15m
BKK23:45Bangkok Suvarnabhumi
11 Feb
BKK01:00Bangkok Suvarnabhumi
5h 25m
ICN08:25Incheon Intl
$261
Jeju Air
11 May
ICN20:05Incheon Intl
6h 05m
BKK00:10Bangkok Suvarnabhumi
28 May
BKK01:10Bangkok Suvarnabhumi
5h 45m
ICN08:55Incheon Intl
$271
Jeju Air
23 Mar
ICN19:30Incheon Intl
6h 15m
BKK23:45Bangkok Suvarnabhumi
26 Mar
BKK01:00Bangkok Suvarnabhumi
5h 25m
ICN08:25Incheon Intl
$272

Vietnam Airlines flights from Seoul to Bangkok Suvarnabhumi Airport

Our best Vietnam Airlines deals on Seoul to Bangkok Suvarnabhumi Airport flight tickets
Vietnam Airlines
7 May
ICN10:05Incheon Intl
10h 00m
1 stop
BKK18:05Bangkok Suvarnabhumi
20 May
BKK18:05Bangkok Suvarnabhumi
9h 55m
1 stop
ICN06:00Incheon Intl
$281
Vietnam Airlines
18 May
ICN11:05Incheon Intl
8h 00m
1 stop
BKK17:05Bangkok Suvarnabhumi
13 June
BKK19:05Bangkok Suvarnabhumi
8h 45m
1 stop
ICN05:50Incheon Intl
$284
Vietnam Airlines
21 May
ICN17:55Incheon Intl
21h 15m
1 stop
BKK13:10Bangkok Suvarnabhumi
30 May
BKK11:55Bangkok Suvarnabhumi
15h 55m
1 stop
ICN05:50Incheon Intl
$294

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 78,305 searches. Data last updated 25 January 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

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 14/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 19/3

22:25-06:20

Nonstop5h 55m

$207

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 9/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 13/3

22:25-06:20

Nonstop5h 55m

$210

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 10/2

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 13/3

22:25-06:20

Nonstop5h 55m

$230

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 24/2

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 25/2

01:30-09:00

Nonstop5h 30m

$246

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/2

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 13/2

01:30-09:00

Nonstop5h 30m

$248

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/2

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 11/2

01:30-09:00

Nonstop5h 30m

$249

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 28/2

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 5/3

22:25-06:20

Nonstop5h 55m

$257

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 2/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 11/3

22:25-06:20

Nonstop5h 55m

$258

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 28/2

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 5/3

22:25-06:20

Nonstop5h 55m

$259

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 7/2

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Wed 11/2

01:00-08:25

Nonstop5h 25m

$261

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 are unable to visit Bangkok Suvarnabhumi Airport during the month of September, then departing from Seoul during the month June is also very affordable. Most momondo users find prices during this month for around $257.

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

On average, the least expensive day to fly to Bangkok Suvarnabhumi Airport from Seoul is on a Sunday. momondo users have found tickets for Sunday departures for as low as $375. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Bangkok Suvarnabhumi Airport on Tuesday is $852.

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 afternoon. momondo users have found flights departing from Seoul to Bangkok Suvarnabhumi Airport in the afternoon for as low as $375. 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 morning when prices are $523 on average. Flights to Bangkok Suvarnabhumi Airport from Seoul in the morning 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 $336 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 $299 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?

No. A direct flight is the cheapest option for a flight between Seoul to Bangkok Suvarnabhumi Airport.

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

As of January 2026, prices for Seoul to Bangkok Suvarnabhumi Airport flights are approximately 31% 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

Fastest flight time

6h 20m

Direct flights

Every day
The fastest flight from Seoul to Bangkok Suvarnabhumi Airport takes 6h 20m
Direct flights go from Seoul to Bangkok Suvarnabhumi Airport every day.
Search flight deals

  • How far is Seoul to Bangkok Suvarnabhumi by plane?

    The distance between Seoul and Bangkok Suvarnabhumi is about 3707.5 km. 6h 20m is a normal flight duration for this route.

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

    Prices for flights from Seoul to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 required travel and health documents for your Bangkok Suvarnabhumi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Bangkok Suvarnabhumi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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?

Travelling to a place near Bangkok?

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

Why use momondo?

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

It is quick and easy to find Seoul to Bangkok flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bangkok that suits you.

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

momondo does allow users to show only those flights to Bangkok from Seoul which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bangkok from Seoul.

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

Yes momondo offers price alerts on flights to Bangkok from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Bangkok Suvarnabhumi Airport trip

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