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Cheap flights from Seoul to Bangkok from $125

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 5/25. 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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Find the cheapest flights from Seoul to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
Shandong Airlines Logo
4:45 pm - 1:50 am
ICN
-
BKK
11h 05m
1 stop
Shandong Airlines Logo
2:50 am - 2:30 pm
BKK
-
ICN
9h 40m
1 stop
$229Shandong Airlines
Wed, May 27 - Sun, May 31
Shandong Airlines Logo
12:15 pm - 1:50 am
ICN
-
BKK
15h 35m
1 stop
Shandong Airlines Logo
2:50 am - 2:30 pm
BKK
-
ICN
9h 40m
1 stop
$231Shandong Airlines
Fri, May 29 - Mon, Jun 1
Shandong Airlines Logo
4:45 pm - 1:50 am
ICN
-
BKK
11h 05m
1 stop
Shandong Airlines Logo
2:50 am - 2:30 pm
BKK
-
ICN
9h 40m
1 stop
$232Shandong Airlines
Fri, May 29 - Mon, Jun 1
Shandong Airlines Logo
11:45 am - 1:25 am
ICN
-
BKK
15h 40m
1 stop
Shandong Airlines Logo
2:50 am - 2:30 pm
BKK
-
ICN
9h 40m
1 stop
$233Shandong Airlines
Fri, May 29 - Mon, Jun 1
Shandong Airlines Logo
4:45 pm - 1:50 am
ICN
-
BKK
11h 05m
1 stop
Shandong Airlines Logo
2:50 am - 2:30 pm
BKK
-
ICN
9h 40m
1 stop
$234Shandong Airlines
Fri, May 29 - Mon, Jun 1
Shandong Airlines Logo
12:15 pm - 1:50 am
ICN
-
BKK
15h 35m
1 stop
Shandong Airlines Logo
2:50 am - 2:30 pm
BKK
-
ICN
9h 40m
1 stop
$235Shandong Airlines
Fri, May 29 - Wed, Jun 3
Shandong Airlines Logo
10:55 pm - 1:50 am
ICN
-
BKK
28h 55m
1 stop
Shandong Airlines Logo
2:25 am - 10:45 am
BKK
-
ICN
30h 20m
1 stop
$237Shandong Airlines
Wed, Jun 10 - Fri, Jun 12
Shandong Airlines Logo
8:35 am - 1:25 am
ICN
-
BKK
18h 50m
1 stop
Shandong Airlines Logo
2:25 am - 10:40 pm
BKK
-
ICN
18h 15m
1 stop
$239Shandong Airlines
Thu, Jun 11 - Sun, Jun 14
China Eastern Logo
8:50 pm - 3:50 pm
GMP
-
BKK
21h 00m
1 stop
China Eastern Logo
9:55 pm - 11:00 am
BKK
-
GMP
11h 05m
1 stop
$287China Eastern
Wed, Jun 3 - Sat, Jun 6
China Eastern Logo
8:50 pm - 12:30 pm
GMP
-
BKK
17h 40m
1 stop
China Eastern Logo
9:55 pm - 11:00 am
BKK
-
GMP
11h 05m
1 stop
$288China Eastern
Wed, Jun 3 - Sat, Jun 6

China Eastern flights from Seoul to Bangkok

Our best China Eastern deals on Seoul to Bangkok flight tickets
China Eastern
Jun 3
GMP8:50 pmSeoul Gimpo Intl
21h 00m
1 stop
BKK3:50 pmBangkok Suvarnabhumi
Jun 6
BKK9:55 pmBangkok Suvarnabhumi
11h 05m
1 stop
GMP11:00 amSeoul Gimpo Intl
$287
China Eastern
Jun 3
GMP8:50 pmSeoul Gimpo Intl
17h 40m
1 stop
BKK12:30 pmBangkok Suvarnabhumi
Jun 6
BKK9:55 pmBangkok Suvarnabhumi
11h 05m
1 stop
GMP11:00 amSeoul Gimpo Intl
$288
China Eastern
May 30
GMP8:50 pmSeoul Gimpo Intl
23h 15m
1 stop
BKK6:05 pmBangkok Suvarnabhumi
Jun 6
BKK9:55 pmBangkok Suvarnabhumi
11h 05m
1 stop
GMP11:00 amSeoul Gimpo Intl
$293

Shandong Airlines flights from Seoul to Bangkok

Our best Shandong Airlines deals on Seoul to Bangkok flight tickets
Shandong Airlines
May 27
ICN4:45 pmIncheon Intl
11h 05m
1 stop
BKK1:50 amBangkok Suvarnabhumi
May 31
BKK2:50 amBangkok Suvarnabhumi
9h 40m
1 stop
ICN2:30 pmIncheon Intl
$229
Shandong Airlines
May 29
ICN12:15 pmIncheon Intl
15h 35m
1 stop
BKK1:50 amBangkok Suvarnabhumi
Jun 1
BKK2:50 amBangkok Suvarnabhumi
9h 40m
1 stop
ICN2:30 pmIncheon Intl
$231
Shandong Airlines
May 29
ICN4:45 pmIncheon Intl
11h 05m
1 stop
BKK1:50 amBangkok Suvarnabhumi
Jun 1
BKK2:50 amBangkok Suvarnabhumi
9h 40m
1 stop
ICN2:30 pmIncheon Intl
$232

momondo Fare Finder

 
Customize your flight search to find flights from Seoul to Bangkok 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 May 17, 2026.
Use the filters below to find and compare flights from Seoul to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 5/27

4:45 pm-1:50 am

1 stop11h 05m

Bangkok Suvarnabhumi

Sun 5/31

2:50 am-2:30 pm

1 stop9h 40m

$229

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/29

12:15 pm-1:50 am

1 stop15h 35m

Bangkok Suvarnabhumi

Mon 6/1

2:50 am-2:30 pm

1 stop9h 40m

$231

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/29

4:45 pm-1:50 am

1 stop11h 05m

Bangkok Suvarnabhumi

Mon 6/1

2:50 am-2:30 pm

1 stop9h 40m

$232

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/29

11:45 am-1:25 am

1 stop15h 40m

Bangkok Suvarnabhumi

Mon 6/1

2:50 am-2:30 pm

1 stop9h 40m

$233

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/29

4:45 pm-1:50 am

1 stop11h 05m

Bangkok Suvarnabhumi

Mon 6/1

2:50 am-2:30 pm

1 stop9h 40m

$234

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/29

12:15 pm-1:50 am

1 stop15h 35m

Bangkok Suvarnabhumi

Wed 6/3

2:50 am-2:30 pm

1 stop9h 40m

$235

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 6/10

10:55 pm-1:50 am

1 stop28h 55m

Bangkok Suvarnabhumi

Fri 6/12

2:25 am-10:45 am

1 stop30h 20m

$237

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 6/11

8:35 am-1:25 am

1 stop18h 50m

Bangkok Suvarnabhumi

Sun 6/14

2:25 am-10:40 pm

1 stop18h 15m

$239

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Wed 6/3

8:50 pm-3:50 pm

1 stop21h 00m

Bangkok Suvarnabhumi

Sat 6/6

9:55 pm-11:00 am

1 stop11h 05m

$287

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Wed 6/3

8:50 pm-12:30 pm

1 stop17h 40m

Bangkok Suvarnabhumi

Sat 6/6

9:55 pm-11:00 am

1 stop11h 05m

$288

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 Bangkok from

How to get the cheapest flight ticket from Seoul to Bangkok

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?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of September, then book flights to Bangkok from Seoul during June instead. Flights to Bangkok in June, while not as cheap as those in September, still average around $192.

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

On average, the least expensive day to fly to Bangkok from Seoul is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $299. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Seoul to Bangkok on a Friday will generally be more expensive and average around $366. 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 Bangkok?

According to our data, the cheapest time of day to fly to Bangkok is in the evening. momondo users have found flights departing from Seoul to Bangkok in the evening for as low as $295. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $326. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seoul to Bangkok flight route?

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

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

You are more likely to see cheaper flights to Bangkok from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $231 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Seoul for as low as $198 on momondo.

Cheap Seoul to Bangkok flight deals and tips

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

Fastest flight time

5h 45m

Direct flights

Every day

Airports in Bangkok

2 airports
The fastest flight from Seoul to Bangkok takes 5h 45m
Direct flights go from Seoul to Bangkok every day.
There are 2 airports in Bangkok. From Seoul there are direct flights to Bangkok Suvarnabhumi (BKK).
Search flight deals

Frequently asked questions about flying from Seoul to Bangkok

  • How far is Seoul to Bangkok by plane?

    There are 2309.6 mi between Seoul and Bangkok. Typically, this will take 5h 45m by plane in normal conditions.

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

    Prices for flights from Seoul to Bangkok refresh daily.

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

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

    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.

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

    The travel and health documents required for your trip to Bangkok 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Seoul to Bangkok

Compare and see reviews for airlines that fly from Seoul to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
Thai AirAsia XPriceFrom $93Free CancellationRating
0.0
0 reviews
Search Thai AirAsia X flights
AIR PREMIAPriceFrom $97Free CancellationRating
8.0
92 reviews
Search AIR PREMIA flights
Thai Lion AirPriceFrom $98Free CancellationRating
7.1
45 reviews
Search Thai Lion Air flights
Jin AirPriceFrom $103Free CancellationRating
0.0
0 reviews
Search Jin Air flights
T'way AirPriceFrom $104Free CancellationRating
0.0
0 reviews
Search T'way Air flights
Thai Vietjet AirPriceFrom $116Free CancellationRating
6.6
124 reviews
Search Thai Vietjet Air flights
Vietnam AirlinesPriceFrom $134Free CancellationRating
7.7
269 reviews
Search Vietnam Airlines flights
Air BusanPriceFrom $134Free CancellationRating
0.0
0 reviews
Search Air Busan flights
Jeju AirPriceFrom $136Free CancellationRating
7.6
38 reviews
Search Jeju Air flights
Eastar JetPriceFrom $158Free CancellationRating
0.0
0 reviews
Search Eastar Jet flights

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?

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 for Seoul to Bangkok flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport