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Cheap flights from Bangkok to Seoul from £103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to Seoul departing on 9/1. 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

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Multiple Airlines Logo
03:05 - 10:45
BKK
-
ICN
29h 40m1 stop
Multiple Airlines Logo
19:50 - 00:10
ICN
-
BKK
6h 20mdirect
£194Multiple Airlines
Sun, 15 Feb - Fri, 20 Feb
Hong Kong Airlines Logo
15:55 - 13:50
BKK
-
ICN
19h 55m1 stop
Hong Kong Airlines Logo
14:50 - 01:40
ICN
-
BKK
12h 50m1 stop
£197Hong Kong Airlines
Mon, 13 Apr - Sat, 25 Apr
Multiple Airlines Logo
03:05 - 10:45
BKK
-
ICN
29h 40m1 stop
Multiple Airlines Logo
00:10 - 10:15
ICN
-
BKK
12h 05m1 stop
£212Multiple Airlines
Sun, 15 Feb - Thu, 19 Feb
Vietnam Airlines Logo
22:15 - 16:35
BKK
-
ICN
16h 20m1 stop
Vietnam Airlines Logo
10:35 - 18:30
ICN
-
BKK
9h 55m1 stop
£216Vietnam Airlines
Fri, 3 Apr - Wed, 8 Apr
Multiple Airlines Logo
02:25 - 10:00
BKK
-
ICN
5h 35mdirect
Multiple Airlines Logo
11:05 - 17:05
ICN
-
BKK
8h 00m1 stop
£219Multiple Airlines
Sun, 12 Apr - Sat, 25 Apr
Vietnam Airlines Logo
22:15 - 16:35
BKK
-
ICN
16h 20m1 stop
Vietnam Airlines Logo
10:35 - 20:05
ICN
-
BKK
11h 30m1 stop
£224Vietnam Airlines
Fri, 3 Apr - Sat, 11 Apr
Cathay Pacific Logo
07:55 - 18:35
BKK
-
ICN
8h 40m1 stop
Cathay Pacific Logo
10:00 - 16:40
ICN
-
BKK
8h 40m1 stop
£237Cathay Pacific
Tue, 3 Feb - Tue, 24 Feb
Cathay Pacific Logo
11:00 - 21:10
BKK
-
ICN
8h 10m1 stop
Cathay Pacific Logo
10:10 - 16:30
ICN
-
BKK
8h 20m1 stop
£239Cathay Pacific
Wed, 8 Apr - Mon, 13 Apr
Air China Logo
23:50 - 13:05
BKK
-
GMP
11h 15m1 stop
Air China Logo
14:25 - 21:30
GMP
-
BKK
9h 05m1 stop
£298Air China
Tue, 27 Jan - Sat, 31 Jan
Jeju Air Logo
00:40 - 08:25
BKK
-
GMP
29h 45m1 stop
Jeju Air Logo
19:50 - 23:40
GMP
-
BKK
29h 50m1 stop
£420Jeju Air
Wed, 31 Dec - Mon, 5 Jan

AIR PREMIA flights from Bangkok to Seoul

Our best AIR PREMIA deals on Bangkok to Seoul flight tickets
AIR PREMIA
22 Jan
BKK22:55Bangkok Suvarnabhumi
5h 40m
ICN06:35Incheon Intl
28 Jan
ICN17:15Incheon Intl
6h 10m
BKK21:25Bangkok Suvarnabhumi
£297
Find similar
AIR PREMIA
22 Jan
BKK22:55Bangkok Suvarnabhumi
5h 40m
ICN06:35Incheon Intl
24 Jan
ICN17:15Incheon Intl
6h 10m
BKK21:25Bangkok Suvarnabhumi
£308
Find similar
AIR PREMIA
21 Jan
BKK22:55Bangkok Suvarnabhumi
5h 40m
ICN06:35Incheon Intl
27 Jan
ICN17:15Incheon Intl
6h 10m
BKK21:25Bangkok Suvarnabhumi
£316
Find similar

Asiana Airlines flights from Bangkok to Seoul

Our best Asiana Airlines deals on Bangkok to Seoul flight tickets
Asiana Airlines
19 Jan
BKK12:20Bangkok Suvarnabhumi
5h 20m
ICN19:40Incheon Intl
1 Feb
ICN07:10Incheon Intl
6h 05m
BKK11:15Bangkok Suvarnabhumi
£309
Find similar
Asiana Airlines
18 Jan
BKK23:55Bangkok Suvarnabhumi
5h 00m
ICN06:55Incheon Intl
6 Feb
ICN07:10Incheon Intl
6h 05m
BKK11:15Bangkok Suvarnabhumi
£327
Find similar
Asiana Airlines
18 Jan
BKK23:55Bangkok Suvarnabhumi
5h 00m
ICN06:55Incheon Intl
5 Feb
ICN07:10Incheon Intl
6h 05m
BKK11:15Bangkok Suvarnabhumi
£345
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Bangkok to Seoul 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 16 December 2025.
Use the filters below to find and compare flights from Bangkok to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 15/2

03:05-10:45

1 stop29h 40m

Incheon Intl

Fri 20/2

19:50-00:10

Nonstop6h 20m

£194

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 13/4

15:55-13:50

1 stop19h 55m

Incheon Intl

Sat 25/4

14:50-01:40

1 stop12h 50m

£197

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 15/2

03:05-10:45

1 stop29h 40m

Incheon Intl

Thu 19/2

00:10-10:15

1 stop12h 05m

£212

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 3/4

22:15-16:35

1 stop16h 20m

Incheon Intl

Wed 8/4

10:35-18:30

1 stop9h 55m

£216

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 12/4

02:25-10:00

Nonstop5h 35m

Incheon Intl

Sat 25/4

11:05-17:05

1 stop8h 00m

£219

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 3/4

22:15-16:35

1 stop16h 20m

Incheon Intl

Sat 11/4

10:35-20:05

1 stop11h 30m

£224

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 3/2

07:55-18:35

1 stop8h 40m

Incheon Intl

Tue 24/2

10:00-16:40

1 stop8h 40m

£237

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 8/4

11:00-21:10

1 stop8h 10m

Incheon Intl

Mon 13/4

10:10-16:30

1 stop8h 20m

£239

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Tue 27/1

23:50-13:05

1 stop11h 15m

Seoul Gimpo Intl

Sat 31/1

14:25-21:30

1 stop9h 05m

£298

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Wed 31/12

00:40-08:25

1 stop29h 45m

Seoul Gimpo Intl

Mon 5/1

19:50-23:40

1 stop29h 50m

£420

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 Seoul from

How to get the cheapest flight ticket from Bangkok to Seoul

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 Bangkok and Seoul?

What is the cheapest month to fly to Seoul?

The month of September is, on average, the cheapest month to fly to Seoul from Bangkok, with most prices found around £157. If you are unable to visit Seoul during the month of September, then departing from Bangkok during the month June is also very affordable. Most momondo users find prices during this month for around £182.

What is the cheapest day to depart on your flight to Seoul?

The cheapest day to depart from Bangkok to Seoul is on a Tuesday when prices can be found for as low as £276. Flights from Bangkok to Seoul on a Friday will generally be more expensive and average around £756. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seoul?

Our most recent data shows that the best time of day to fly to Seoul is in the evening. Flights from Bangkok to Seoul during this time can be as low as £249. Flights in the morning are often more expensive, with an average ticket price of £340.

What is the cheapest Bangkok to Seoul flight route?

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

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £221 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Bangkok for as low as £191 on momondo.

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

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

Cheap Bangkok to Seoul flight deals and tips

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

Fastest flight time

5h 40m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from Bangkok to Seoul takes 5h 40m
Direct flights go from Bangkok to Seoul every day.
There are 2 airports in Seoul. From Bangkok there are direct flights to Incheon Intl (ICN).
Search flight deals

  • How far is Bangkok to Seoul by plane?

    The straight-line distance from Bangkok to Seoul is 2309.6 mi. 5h 40m is a normal flight duration for this route.

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

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The required travel and health documents for your Seoul 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 license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

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

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

Yes. All flights to Seoul from Bangkok on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Seoul from Bangkok. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Bangkok to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport