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Cheap flights from Seoul to Bangkok from $87

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 3/12. 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 round-trip flights

Enter your travel dates to find the best prices.
Vietnam Airlines Logo
11:05 am - 5:05 pm
ICN
-
BKK
8h 00m1 stop
Vietnam Airlines Logo
6:05 pm - 6:00 am
BKK
-
ICN
9h 55m1 stop
$162Vietnam Airlines
Tue, Apr 21 - Sun, Apr 26
T'way Air Logo
6:00 pm - 10:05 pm
ICN
-
BKK
6h 05mnonstop
T'way Air Logo
12:05 am - 7:40 am
BKK
-
ICN
5h 35mnonstop
$167T'way Air
Mon, Jun 8 - Fri, Jun 12
T'way Air Logo
6:00 pm - 10:05 pm
ICN
-
BKK
6h 05mnonstop
T'way Air Logo
12:05 am - 7:40 am
BKK
-
ICN
5h 35mnonstop
$168T'way Air
Sun, May 17 - Wed, May 20
Vietnam Airlines Logo
10:05 am - 6:05 pm
ICN
-
BKK
10h 00m1 stop
Vietnam Airlines Logo
7:05 pm - 5:50 am
BKK
-
ICN
8h 45m1 stop
$171Vietnam Airlines
Thu, May 28 - Sun, May 31
Thai Vietjet Air Logo
12:10 pm - 4:20 pm
ICN
-
BKK
6h 10mnonstop
Thai Vietjet Air Logo
2:25 am - 9:55 am
BKK
-
ICN
5h 30mnonstop
$178Thai Vietjet Air
Sun, Mar 8 - Sat, Mar 14
Thai Vietjet Air Logo
12:10 pm - 4:20 pm
ICN
-
BKK
6h 10mnonstop
Thai Vietjet Air Logo
2:25 am - 9:55 am
BKK
-
ICN
5h 30mnonstop
$179Thai Vietjet Air
Mon, Mar 9 - Fri, Mar 13
Air China Logo
2:25 pm - 9:30 pm
GMP
-
BKK
9h 05m1 stop
Air China Logo
11:50 pm - 1:05 pm
BKK
-
GMP
11h 15m1 stop
$208Air China
Wed, Jan 14 - Mon, Jan 19
Air China Logo
2:25 pm - 12:10 am
GMP
-
BKK
11h 45m1 stop
Air China Logo
11:50 pm - 1:05 pm
BKK
-
GMP
11h 15m1 stop
$209Air China
Fri, Jan 9 - Mon, Jan 12
China Eastern Logo
8:50 pm - 6:25 pm
GMP
-
BKK
23h 35m1 stop
China Eastern Logo
7:55 pm - 11:00 am
BKK
-
GMP
13h 05m1 stop
$213China Eastern
Wed, Jan 7 - Wed, Jan 14
China Eastern Logo
8:50 pm - 6:25 pm
GMP
-
BKK
23h 35m1 stop
China Eastern Logo
1:35 pm - 11:00 am
BKK
-
GMP
19h 25m1 stop
$218China Eastern
Wed, Jan 7 - Tue, Jan 13

Vietnam Airlines flights from Seoul to Bangkok Suvarnabhumi Airport

Our best Vietnam Airlines deals on Seoul to Bangkok Suvarnabhumi Airport flight tickets
Vietnam Airlines
Apr 21
ICN11:05 amIncheon Intl
8h 00m
1 stop
BKK5:05 pmBangkok Suvarnabhumi
Apr 26
BKK6:05 pmBangkok Suvarnabhumi
9h 55m
1 stop
ICN6:00 amIncheon Intl
$162
Find similar
Vietnam Airlines
May 28
ICN10:05 amIncheon Intl
10h 00m
1 stop
BKK6:05 pmBangkok Suvarnabhumi
May 31
BKK7:05 pmBangkok Suvarnabhumi
8h 45m
1 stop
ICN5:50 amIncheon Intl
$171
Find similar
Vietnam Airlines
Apr 23
ICN6:05 pmIncheon Intl
22h 40m
1 stop
BKK2:45 pmBangkok Suvarnabhumi
Apr 30
BKK10:15 pmBangkok Suvarnabhumi
16h 20m
1 stop
ICN4:35 pmIncheon Intl
$172
Find similar

T'way Air flights from Seoul to Bangkok Suvarnabhumi Airport

Our best T'way Air deals on Seoul to Bangkok Suvarnabhumi Airport flight tickets
T'way Air
Jun 8
ICN6:00 pmIncheon Intl
6h 05m
BKK10:05 pmBangkok Suvarnabhumi
Jun 12
BKK12:05 amBangkok Suvarnabhumi
5h 35m
ICN7:40 amIncheon Intl
$167
Find similar
T'way Air
May 17
ICN6:00 pmIncheon Intl
6h 05m
BKK10:05 pmBangkok Suvarnabhumi
May 20
BKK12:05 amBangkok Suvarnabhumi
5h 35m
ICN7:40 amIncheon Intl
$168
Find similar
T'way Air
May 30
ICN6:00 pmIncheon Intl
6h 05m
BKK10:05 pmBangkok Suvarnabhumi
Jun 2
BKK12:05 amBangkok Suvarnabhumi
5h 35m
ICN7:40 amIncheon Intl
$200
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 23, 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

Tue 4/21

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Sun 4/26

6:05 pm-6:00 am

1 stop9h 55m

$162

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 6/8

6:00 pm-10:05 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 6/12

12:05 am-7:40 am

Nonstop5h 35m

$167

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 5/17

6:00 pm-10:05 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 5/20

12:05 am-7:40 am

Nonstop5h 35m

$168

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/28

10:05 am-6:05 pm

1 stop10h 00m

Bangkok Suvarnabhumi

Sun 5/31

7:05 pm-5:50 am

1 stop8h 45m

$171

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 3/8

12:10 pm-4:20 pm

Nonstop6h 10m

Bangkok Suvarnabhumi

Sat 3/14

2:25 am-9:55 am

Nonstop5h 30m

$178

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 3/9

12:10 pm-4:20 pm

Nonstop6h 10m

Bangkok Suvarnabhumi

Fri 3/13

2:25 am-9:55 am

Nonstop5h 30m

$179

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Wed 1/14

2:25 pm-9:30 pm

1 stop9h 05m

Bangkok Suvarnabhumi

Mon 1/19

11:50 pm-1:05 pm

1 stop11h 15m

$208

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Fri 1/9

2:25 pm-12:10 am

1 stop11h 45m

Bangkok Suvarnabhumi

Mon 1/12

11:50 pm-1:05 pm

1 stop11h 15m

$209

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Wed 1/7

8:50 pm-6:25 pm

1 stop23h 35m

Bangkok Suvarnabhumi

Wed 1/14

7:55 pm-11:00 am

1 stop13h 05m

$213

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Wed 1/7

8:50 pm-6:25 pm

1 stop23h 35m

Bangkok Suvarnabhumi

Tue 1/13

1:35 pm-11:00 am

1 stop19h 25m

$218

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 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?

The month of September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Seoul, with most prices found around $159. The month of June is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Seoul averaging around $177.

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

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Monday when prices can be found for as low as $300. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Seoul because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $366.

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

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the evening. Flights from Seoul to Bangkok Suvarnabhumi Airport during this time can be as low as $296. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $334 per ticket.

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 $242 when searching weeks out. 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 $216 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 December 2025, prices for Seoul to Bangkok Suvarnabhumi Airport flights are approximately 33% 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 round-trip 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

$150

Fastest flight time

6h 10m

Direct flights

Every day
The best one-way flight to Bangkok Suvarnabhumi Airport from Seoul in the past 72 hours is $150. The best round-trip flight deal from Seoul to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is $278.
The fastest flight from Seoul to Bangkok Suvarnabhumi Airport takes 6h 10m
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 2303.7 mi. Flights usually cover this in 6h 10m, depending on flying conditions and air traffic around both airports.

  • 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 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 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 Seoul to Bangkok Suvarnabhumi Airport.

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

    The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok Suvarnabhumi Airport. It is always advisable to seek advice from your airline or a trusted 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?

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
AIR PREMIAPriceFrom $101Free CancellationRating
8.3
72 reviews
Search AIR PREMIA flights
T'way AirPriceFrom $104Free CancellationRating
0.0
0 reviews
Search T'way Air flights
Thai AirAsia XPriceFrom $108Free CancellationRating
0.0
0 reviews
Search Thai AirAsia X flights
Jin AirPriceFrom $120Free CancellationRating
0.0
0 reviews
Search Jin Air flights
Thai Vietjet AirPriceFrom $124Free CancellationRating
6.8
110 reviews
Search Thai Vietjet Air flights
Jeju AirPriceFrom $136Free CancellationRating
7.6
36 reviews
Search Jeju Air flights
Vietnam AirlinesPriceFrom $138Free CancellationRating
7.6
216 reviews
Search Vietnam Airlines flights
Eastar JetPriceFrom $139Free CancellationRating
0.0
0 reviews
Search Eastar Jet flights
Air BusanPriceFrom $162Free CancellationRating
0.0
0 reviews
Search Air Busan flights
China EasternPriceFrom $187Free CancellationRating
7.2
179 reviews
Search China Eastern flights

  • Korean Air Flights From Seoul to Bangkok Suvarnabhumi Airport

    The lowest priced Korean Air flight from Seoul to Bangkok Suvarnabhumi Airport from the last 72 hours was $289. Generally, Korean Air has 42 flights on this route every week with an average price of $389. Korean Air is rated 8.4/10 by our users.

  • AIR PREMIA Flights From Seoul to Bangkok Suvarnabhumi Airport

    The best AIR PREMIA deal for Seoul to Bangkok Suvarnabhumi Airport flight tickets found on momondo in the last 72 hours was $101, round-trip. It should be noted that an average AIR PREMIA flight deal for this route in this time was higher, at $275 round-trip. AIR PREMIA operates 6 flights out of Seoul into Bangkok Suvarnabhumi Airport in an average week, so prices vary by time and availability. 72 AIR PREMIA reviews by users on momondo have scored the airline at 8.3/10.

Traveling to a place near Bangkok?

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

All flight searches from Seoul to Bangkok on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for Seoul to Bangkok 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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