How many flights depart from Seoul to Southeast Asia on average per day?

45 flights are operational daily from Seoul to Southeast Asia as of October 2025. The most popular departure time for this route is 18:00, with 52% of flights per day taking off in the evening.

What is the cheapest airline that flies from Seoul to Southeast Asia?

Jeju Air, Thai Vietjet Air, and Vietnam Airlines are the most popular carriers operating from Seoul to Southeast Asia

Which airlines fly to Southeast Asia?

Cebu Pacific, Korean Air and Thai AirAsia X are the top three most popular airlines that fly to Southeast Asia from Seoul according to our data. Cebu Pacific is the first choice among our users, with 27% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 4 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Seoul to Southeast Asia on average per week?

As of October 2025, there are 317 flights per week flying from Seoul to Southeast Asia. The most common day of the week flights depart is Sun, with 16% of flights taking off on this day.

When did momondo last update prices for flights from Seoul to Southeast Asia?

Prices for flights from Seoul to Southeast Asia refresh daily.

How many operators does momondo search for flights from Seoul to Southeast Asia?

As of October 2025, there are 2 operators available to choose from for flights from Seoul to Southeast Asia.

How old do you have to be to fly from Seoul to Southeast Asia?

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 Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The required travel and health documents for your Southeast Asia 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 Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$115 Cheap Flights from Seoul to Southeast Asia in 2025/26

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20:05 - 23:55ICN-BKK

5h 50mdirect

01:00 - 08:40BKK-ICN

5h 40mdirect

$180Jeju Air

Find Deal

Fri, 17 Oct - Fri, 24 Oct

20:05 - 23:55ICN-BKK

5h 50mdirect

01:00 - 08:25BKK-ICN

5h 25mdirect

$212Jeju Air

Find Deal

Sun, 19 Oct - Mon, 27 Oct

20:05 - 23:55ICN-BKK

5h 50mdirect

01:00 - 08:40BKK-ICN

5h 40mdirect

$218Jeju Air

Find Deal

Fri, 17 Oct - Fri, 24 Oct

16:50 - 21:10ICN-BKK

6h 20mdirect

22:55 - 06:35BKK-ICN

5h 40mdirect

$250AIR PREMIA

Find Deal

Thu, 16 Oct - Sun, 26 Oct

16:50 - 21:10ICN-BKK

6h 20mdirect

22:55 - 06:35BKK-ICN

5h 40mdirect

$251AIR PREMIA

Find Deal

Thu, 16 Oct - Mon, 27 Oct

18:05 - 14:45ICN-BKK

22h 40m1 stop

22:10 - 16:30BKK-ICN

16h 20m1 stop

$264Vietnam Airlines

Find Deal

Fri, 12 Dec - Mon, 15 Dec

19:55 - 23:45ICN-BKK

5h 50mdirect

22:25 - 06:05BKK-ICN

5h 40mdirect

$267Jin Air

Find Deal

Wed, 15 Oct - Wed, 29 Oct

10:05 - 18:05ICN-BKK

10h 00m1 stop

15:55 - 05:50BKK-ICN

11h 55m1 stop

$271Vietnam Airlines

Find Deal

Thu, 2 Apr - Mon, 6 Apr

19:55 - 23:45ICN-BKK

5h 50mdirect

22:25 - 06:05BKK-ICN

5h 40mdirect

$282Jin Air

Find Deal

Wed, 15 Oct - Sun, 26 Oct

11:55 - 15:45ICN-BKK

5h 50mdirect

01:45 - 09:20BKK-ICN

5h 35mdirect

$344Thai Vietjet Air

Find Deal

Fri, 17 Oct - Sat, 18 Oct

Jeju Air flights from Seoul to Southeast Asia

Our best Jeju Air deals on Seoul to Southeast Asia flight tickets

Jeju Air

14 Oct

ICN20:05Incheon Intl

5h 50m

BKK23:55Bangkok Suvarnabhumi

28 Oct

BKK01:00Bangkok Suvarnabhumi

5h 25m

ICN08:25Incheon Intl

$170

Find similar

Jeju Air

17 Oct

ICN20:05Incheon Intl

5h 50m

BKK23:55Bangkok Suvarnabhumi

24 Oct

BKK01:00Bangkok Suvarnabhumi

5h 40m

ICN08:40Incheon Intl

$180

Find similar

Jeju Air

19 Oct

ICN20:05Incheon Intl

5h 50m

BKK23:55Bangkok Suvarnabhumi

27 Oct

BKK01:00Bangkok Suvarnabhumi

5h 25m

ICN08:25Incheon Intl

$212

Find similar

AIR PREMIA flights from Seoul to Southeast Asia

Our best AIR PREMIA deals on Seoul to Southeast Asia flight tickets

AIR PREMIA

12 Oct

ICN16:50Incheon Intl

6h 20m

BKK21:10Bangkok Suvarnabhumi

30 Oct

BKK22:55Bangkok Suvarnabhumi

5h 40m

ICN06:35Incheon Intl

$223

Find similar

AIR PREMIA

12 Oct

ICN16:50Incheon Intl

6h 20m

BKK21:10Bangkok Suvarnabhumi

27 Oct

BKK22:55Bangkok Suvarnabhumi

5h 40m

ICN06:35Incheon Intl

$224

Find similar

AIR PREMIA

16 Oct

ICN16:50Incheon Intl

6h 20m

BKK21:10Bangkok Suvarnabhumi

26 Oct

BKK22:55Bangkok Suvarnabhumi

5h 40m

ICN06:35Incheon Intl

$250

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 17/10

20:05-23:55

Nonstop5h 50m

Bangkok Suvarnabhumi

Fri 24/10

01:00-08:40

Nonstop5h 40m

$180

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 19/10

20:05-23:55

Nonstop5h 50m

Bangkok Suvarnabhumi

Mon 27/10

01:00-08:25

Nonstop5h 25m

$212

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 17/10

20:05-23:55

Nonstop5h 50m

Bangkok Suvarnabhumi

Fri 24/10

01:00-08:40

Nonstop5h 40m

$218

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 16/10

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Sun 26/10

22:55-06:35

Nonstop5h 40m

$250

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 16/10

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 27/10

22:55-06:35

Nonstop5h 40m

$251

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 12/12

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Mon 15/12

22:10-16:30

1 stop16h 20m

$264

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 15/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Wed 29/10

22:25-06:05

Nonstop5h 40m

$267

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 2/4

10:05-18:05

1 stop10h 00m

Bangkok Suvarnabhumi

Mon 6/4

15:55-05:50

1 stop11h 55m

$271

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 15/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sun 26/10

22:25-06:05

Nonstop5h 40m

$282

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 17/10

11:55-15:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 18/10

01:45-09:20

Nonstop5h 35m

$344

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul to Southeast Asia

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

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from Seoul is in May. Flight prices, which tend to average around $582, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Southeast Asia, with average flight prices from Seoul averaging around $604.

What is the cheapest day to depart on your flight to Southeast Asia?

Our data shows that Thursday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $718. On the other hand, Monday is the most expensive day to depart from Seoul because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,068.

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

At midday is the cheapest time of day to fly from Seoul to Southeast Asia when you can find flight prices for as low as $718. Flying to Southeast Asia at midday is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $830.

What is the cheapest Seoul to Southeast Asia flight route?

Fly from Incheon Intl to Bangkok Suvarnabhumi for the best Seoul - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $653 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Seoul for as low as $513 on momondo.

What cabin class options are available on Seoul to Southeast Asia flights?

There are 3 cabin classes available to choose from on Seoul to Southeast Asia 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 Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Seoul to Southeast Asia.

Cheap Seoul to Southeast Asia flight deals and tips

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

Fastest flight time	5h 40m
Direct flights	Every day
Airports in Southeast Asia	1 airport

The fastest flight from Seoul to Southeast Asia takes 5h 40m

Direct flights go from Seoul to Southeast Asia every day.

There is 1 airport near Southeast Asia: Bangkok Suvarnabhumi (BKK)

Search flight deals

When did momondo last update prices for flights from Seoul to Southeast Asia?
Prices for flights from Seoul to Southeast Asia refresh daily.
How many operators does momondo search for flights from Seoul to Southeast Asia?
As of October 2025, there are 2 operators available to choose from for flights from Seoul to Southeast Asia.
How old do you have to be to fly from Seoul to Southeast Asia?
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 Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The required travel and health documents for your Southeast Asia 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 Southeast Asia. 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 Southeast Asia?
momondo data reveals that the most frequently booked plane model on the route from Seoul to Southeast Asia is Boeing 737-800, representing 32.70% of all bookings. The subsequent popular models are Airbus A321-100/200 at 18.03%, Boeing 737 MAX 8 at 9.28%, and Airbus A330-300 at 8.52%.

Best airlines flying from Seoul to Southeast Asia

Compare and see reviews for airlines that fly from Seoul to Southeast Asia with momondo

Airline	Rating	Free cancellation	Price
Cebu Pacific	PriceFrom $229	Free cancellation	Rating 6.8 201 reviews	Search Cebu Pacific flights
Thai AirAsia X	PriceFrom $258	Free cancellation	Rating 5.5 24 reviews	Search Thai AirAsia X flights
Korean Air	PriceFrom $394	Free cancellation	Rating 8.4 1,145 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $434	Free cancellation	Rating 8.2 486 reviews	Search Asiana Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Seoul to Southeast Asia flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to Southeast Asia?

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

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

If you are simply researching potential flights to Southeast Asia, momondo offers a useful price alert feature which will track prices for flights to Southeast Asia from Seoul and alert you when they change.

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Seoul to Southeast Asia from $115

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 Southeast Asia departing on 16/3. 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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Big names, great deals

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Filter for what you want

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Jeju Air flights from Seoul to Southeast Asia

Our best Jeju Air deals on Seoul to Southeast Asia flight tickets

AIR PREMIA flights from Seoul to Southeast Asia

Our best AIR PREMIA deals on Seoul to Southeast Asia flight tickets

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How to get the cheapest flight ticket from Seoul to Southeast Asia

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 month to fly to Southeast Asia?

What is the cheapest day to depart on your flight to Southeast Asia?

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

What is the cheapest Seoul to Southeast Asia flight route?

Fly from Incheon Intl to Bangkok Suvarnabhumi for the best Seoul - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

What cabin class options are available on Seoul to Southeast Asia flights?

There are 3 cabin classes available to choose from on Seoul to Southeast Asia 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 Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Seoul to Southeast Asia.

What is the cheapest airline that flies from Seoul to Southeast Asia?

Jeju Air, Thai Vietjet Air, and Vietnam Airlines are the most popular carriers operating from Seoul to Southeast Asia

Which airlines fly to Southeast Asia?

How many flights depart from Seoul to Southeast Asia on average per day?

45 flights are operational daily from Seoul to Southeast Asia as of October 2025. The most popular departure time for this route is 18:00, with 52% of flights per day taking off in the evening.

How many flights depart from Seoul to Southeast Asia on average per week?

As of October 2025, there are 317 flights per week flying from Seoul to Southeast Asia. The most common day of the week flights depart is Sun, with 16% of flights taking off on this day.

Cheap Seoul to Southeast Asia flight deals and tips

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

Fastest flight time

Direct flights

Airports in Southeast Asia

When did momondo last update prices for flights from Seoul to Southeast Asia?

How many operators does momondo search for flights from Seoul to Southeast Asia?

How old do you have to be to fly from Seoul to Southeast Asia?

What documentation or ID do you need to fly to Southeast Asia?

What is the most popular plane model from Seoul to Southeast Asia?

Best airlines flying from Seoul to Southeast Asia

Compare and see reviews for airlines that fly from Seoul to Southeast Asia with momondo

Why use momondo?

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

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

How can momondo help me find flights from Seoul to Southeast Asia?

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

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo