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Cheap flights from Bangkok to Seoul from $158

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 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Bangkok to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:50 am - 11:55 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
9h 05m1 stop Busan Gimhae
Multiple Airlines Logo
3:20 pm - 9:45 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
8h 25m1 stop Busan Gimhae
$347Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Jeju Air Logo
12:50 am - 8:15 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
29h 25m1 stop Busan Gimhae
Jeju Air Logo
7:55 pm - 11:50 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
29h 55m1 stop Busan Gimhae
$351Jeju Air
Thu, Sep 17 - Mon, Sep 28
Multiple Airlines Logo
12:50 am - 8:15 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
29h 25m1 stop Busan Gimhae
Multiple Airlines Logo
11:40 am - 9:45 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
12h 05m1 stop Busan Gimhae
$362Multiple Airlines
Wed, Sep 16 - Sun, Sep 20
Air Busan Logo
10:55 pm - 9:55 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
9h 00m1 stop Busan Gimhae
Air Busan Logo
11:40 am - 9:45 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
12h 05m1 stop Busan Gimhae
$376Air Busan
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
9:15 pm - 5:05 pmBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
17h 50m2 stops Ho Chi Minh City Busan Gimhae
Multiple Airlines Logo
7:20 am - 9:00 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
15h 40m2 stops Busan Gimhae Hanoi Noibai
$376Multiple Airlines
Sun, Nov 1 - Fri, Nov 6
Jeju Air Logo
12:50 am - 8:15 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
29h 25m1 stop Busan Gimhae
Jeju Air Logo
7:55 pm - 11:50 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
29h 55m1 stop Busan Gimhae
$386Jeju Air
Sat, Sep 19 - Sun, Sep 27
Jeju Air Logo
12:50 am - 8:15 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
29h 25m1 stop Busan Gimhae
Jeju Air Logo
7:55 pm - 11:50 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
29h 55m1 stop Busan Gimhae
$396Jeju Air
Thu, Sep 10 - Fri, Sep 18
Jeju Air Logo
12:50 am - 8:15 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
29h 25m1 stop Busan Gimhae
Jeju Air Logo
7:55 pm - 11:50 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
29h 55m1 stop Busan Gimhae
$397Jeju Air
Thu, Sep 10 - Sat, Sep 26
Jeju Air Logo
12:50 am - 8:15 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
29h 25m1 stop Busan Gimhae
Jeju Air Logo
7:55 pm - 11:50 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
29h 55m1 stop Busan Gimhae
$397Jeju Air
Thu, Sep 17 - Sun, Sep 27
Jeju Air Logo
12:50 am - 8:15 amBKK  Bangkok Suvarnabhumi-GMP Seoul Gimpo Intl
29h 25m1 stop Busan Gimhae
Jeju Air Logo
7:55 pm - 11:50 pmGMP  Seoul Gimpo Intl-BKK Bangkok Suvarnabhumi
29h 55m1 stop Busan Gimhae
$403Jeju Air
Sat, Aug 29 - Sat, Sep 12

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Jeju Air flights from Bangkok to Seoul Gimpo Intl Airport

Our best Jeju Air deals on Bangkok to Seoul Gimpo Intl Airport flight tickets
Jeju Air
Sep 17
BKK12:50 amBangkok Suvarnabhumi
29h 25m
1 stop
GMP8:15 amSeoul Gimpo Intl
Sep 28
GMP7:55 pmSeoul Gimpo Intl
29h 55m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
$351
Jeju Air
Sep 19
BKK12:50 amBangkok Suvarnabhumi
29h 25m
1 stop
GMP8:15 amSeoul Gimpo Intl
Sep 27
GMP7:55 pmSeoul Gimpo Intl
29h 55m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
$386
Jeju Air
Sep 10
BKK12:50 amBangkok Suvarnabhumi
29h 25m
1 stop
GMP8:15 amSeoul Gimpo Intl
Sep 18
GMP7:55 pmSeoul Gimpo Intl
29h 55m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
$396

Air China flights from Bangkok to Seoul Gimpo Intl Airport

Our best Air China deals on Bangkok to Seoul Gimpo Intl Airport flight tickets
Air China
Oct 12
BKK1:30 amBangkok Suvarnabhumi
9h 35m
1 stop
GMP1:05 pmSeoul Gimpo Intl
Oct 18
GMP2:25 pmSeoul Gimpo Intl
11h 45m
1 stop
BKK12:10 amBangkok Suvarnabhumi
$508
Air China
Oct 12
BKK1:30 amBangkok Suvarnabhumi
9h 35m
1 stop
GMP1:05 pmSeoul Gimpo Intl
Oct 18
GMP2:25 pmSeoul Gimpo Intl
11h 45m
1 stop
BKK12:10 amBangkok Suvarnabhumi
$509
Air China
Nov 20
BKK7:30 pmBangkok Suvarnabhumi
15h 35m
1 stop
GMP1:05 pmSeoul Gimpo Intl
Nov 25
GMP2:25 pmSeoul Gimpo Intl
11h 45m
1 stop
BKK12:10 amBangkok Suvarnabhumi
$515

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok to Seoul Gimpo Intl 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 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Bangkok to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Wed 9/9

12:50 am-11:55 am

1 stop9h 05m

Seoul Gimpo Intl

Wed 9/16

3:20 pm-9:45 pm

1 stop8h 25m

$347

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Thu 9/17

12:50 am-8:15 am

1 stop29h 25m

Seoul Gimpo Intl

Mon 9/28

7:55 pm-11:50 pm

1 stop29h 55m

$351

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Wed 9/16

12:50 am-8:15 am

1 stop29h 25m

Seoul Gimpo Intl

Sun 9/20

11:40 am-9:45 pm

1 stop12h 05m

$362

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Mon 9/21

10:55 pm-9:55 am

1 stop9h 00m

Seoul Gimpo Intl

Sun 9/27

11:40 am-9:45 pm

1 stop12h 05m

$376

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Sun 11/1

9:15 pm-5:05 pm

2 stops17h 50m

Seoul Gimpo Intl

Fri 11/6

7:20 am-9:00 pm

2 stops15h 40m

$376

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Sat 9/19

12:50 am-8:15 am

1 stop29h 25m

Seoul Gimpo Intl

Sun 9/27

7:55 pm-11:50 pm

1 stop29h 55m

$386

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Thu 9/10

12:50 am-8:15 am

1 stop29h 25m

Seoul Gimpo Intl

Fri 9/18

7:55 pm-11:50 pm

1 stop29h 55m

$396

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Thu 9/10

12:50 am-8:15 am

1 stop29h 25m

Seoul Gimpo Intl

Sat 9/26

7:55 pm-11:50 pm

1 stop29h 55m

$397

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Thu 9/17

12:50 am-8:15 am

1 stop29h 25m

Seoul Gimpo Intl

Sun 9/27

7:55 pm-11:50 pm

1 stop29h 55m

$397

BangkokSeoul

BKK Bangkok Suvarnabhumi - GMP Seoul Gimpo Intl

BKKGMP

Bangkok Suvarnabhumi

Sat 8/29

12:50 am-8:15 am

1 stop29h 25m

Seoul Gimpo Intl

Sat 9/12

7:55 pm-11:50 pm

1 stop29h 55m

$403

Flights are sorted by cheapest round-trip 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 Gimpo Intl 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 cheapest airline that flies from Bangkok to Seoul Gimpo Intl?

Jeju Air is the most popular carrier operating from Bangkok to Seoul Gimpo Intl

Cheap Bangkok to Seoul Gimpo Intl Airport flight deals and tips

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

Fastest flight time

9h 35m

Direct flights

None
The fastest flight from Bangkok to Seoul Gimpo Intl Airport takes 9h 35m
There are no direct flights from Bangkok to Seoul Gimpo Intl Airport. There are no popular flight routes from Bangkok to Seoul Gimpo Intl Airport.
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Frequently asked questions about flying from Bangkok to Seoul Gimpo Intl Airport

  • How far is Bangkok to Seoul Gimpo Intl by plane?

    A flight from Bangkok to Seoul Gimpo Intl will travel around 2302.1 mi. A reasonable flight in good conditions will take 9h 35m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bangkok to Seoul Gimpo Intl Airport.

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

    The required travel and health documents for your Seoul Gimpo Intl 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 license and a passport valid for six months after your intended arrival at Seoul Gimpo Intl Airport. 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 collates all your flight options in one place and lets you filter them to find the perfect flight from Bangkok to Seoul. momondo saves you time and could save you money on your trip.

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

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

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?

Price alerts on flights to Seoul from Bangkok are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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