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

46 flights are operational daily from Seoul to Southeast Asia as of July 2026. The most popular departure time for this route is 18:00, with 48% of flights per day taking off in the evening.

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

As of July 2026, there are 328 flights per week flying from Seoul to Southeast Asia. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.

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

AIR PREMIA, EastAfrican, and Vietnam Airlines are the most popular carriers operating from Seoul to Southeast Asia

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

Prices for flights from Seoul to Southeast Asia refresh daily.

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.

$177 Cheap Flights from Seoul to Southeast Asia in 2026

Find the cheapest flights from Seoul to Southeast Asia

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

18:00 - 22:05

ICN

BKK

6h 05mdirect

00:05 - 07:40

BKK

ICN

5h 35mdirect

$346T'way Air

Tue, 25 Aug - Mon, 7 Sep

18:00 - 22:05

ICN

BKK

6h 05mdirect

00:05 - 07:40

BKK

ICN

5h 35mdirect

$348T'way Air

Mon, 31 Aug - Thu, 3 Sep

20:05 - 00:10

ICN

BKK

6h 05mdirect

01:10 - 08:55

BKK

ICN

5h 45mdirect

$349Jeju Air

Fri, 25 Sep - Mon, 28 Sep

19:55 - 23:45

ICN

BKK

5h 50mdirect

00:45 - 08:25

BKK

ICN

5h 40mdirect

$351Jin Air

Tue, 18 Aug - Thu, 20 Aug

20:05 - 00:10

ICN

BKK

6h 05mdirect

01:10 - 08:55

BKK

ICN

5h 45mdirect

$352Jeju Air

Fri, 14 Aug - Thu, 20 Aug

19:55 - 23:45

ICN

BKK

5h 50mdirect

00:45 - 08:25

BKK

ICN

5h 40mdirect

$355Jin Air

Sat, 26 Sep - Tue, 29 Sep

19:55 - 23:45

ICN

BKK

5h 50mdirect

00:45 - 08:25

BKK

ICN

5h 40mdirect

$356Jin Air

Sun, 27 Sep - Wed, 30 Sep

17:05 - 21:25

ICN

BKK

6h 20mdirect

22:25 - 06:20

BKK

ICN

5h 55mdirect

$359Eastar Jet

Mon, 26 Oct - Fri, 30 Oct

00:10 - 18:30

ICN

DPS

19h 20m

1 stop

19:15 - 06:30

DPS

ICN

10h 15m

1 stop

$545Malaysia Airlines

Sat, 17 Oct - Tue, 27 Oct

00:10 - 18:30

ICN

DPS

19h 20m

1 stop

16:25 - 21:15

DPS

ICN

27h 50m

1 stop

$552Malaysia Airlines

Sat, 3 Oct - Wed, 14 Oct

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Jeju Air flights from Seoul to Southeast Asia

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

Jeju Air

25 Sept

ICN20:05Incheon Intl

6h 05m

BKK00:10Bangkok Suvarnabhumi

28 Sept

BKK01:10Bangkok Suvarnabhumi

5h 45m

ICN08:55Incheon Intl

$349

Jeju Air

14 Aug

ICN20:05Incheon Intl

6h 05m

BKK00:10Bangkok Suvarnabhumi

20 Aug

BKK01:10Bangkok Suvarnabhumi

5h 45m

ICN08:55Incheon Intl

$352

Jeju Air

6 Aug

ICN20:05Incheon Intl

6h 05m

BKK00:10Bangkok Suvarnabhumi

20 Aug

BKK01:10Bangkok Suvarnabhumi

5h 45m

ICN08:55Incheon Intl

$361

Thai Vietjet Air flights from Seoul to Southeast Asia

Our best Thai Vietjet Air deals on Seoul to Southeast Asia flight tickets

Thai Vietjet Air

26 Aug

ICN12:10Incheon Intl

5h 50m

BKK16:00Bangkok Suvarnabhumi

30 Aug

BKK02:25Bangkok Suvarnabhumi

5h 35m

ICN10:00Incheon Intl

$385

Thai Vietjet Air

18 Aug

ICN12:10Incheon Intl

5h 50m

BKK16:00Bangkok Suvarnabhumi

25 Aug

BKK02:25Bangkok Suvarnabhumi

5h 35m

ICN10:00Incheon Intl

$396

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 25/8

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 7/9

00:05-07:40

Nonstop5h 35m

$346

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 31/8

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 3/9

00:05-07:40

Nonstop5h 35m

$348

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 25/9

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 28/9

01:10-08:55

Nonstop5h 45m

$349

Fastest return journey

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 18/8

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 20/8

00:45-08:25

Nonstop5h 40m

$351

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 14/8

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 20/8

01:10-08:55

Nonstop5h 45m

$352

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 26/9

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Tue 29/9

00:45-08:25

Nonstop5h 40m

$355

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 27/9

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Wed 30/9

00:45-08:25

Nonstop5h 40m

$356

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 26/10

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 30/10

22:25-06:20

Nonstop5h 55m

$359

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Sat 17/10

00:10-18:30

1 stop19h 20m

Denpasar Bali Ngurah Rai

Tue 27/10

19:15-06:30

1 stop10h 15m

$545

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Sat 3/10

00:10-18:30

1 stop19h 20m

Denpasar Bali Ngurah Rai

Wed 14/10

16:25-21:15

1 stop27h 50m

$552

Flights are sorted by cheapest return flights first.

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 September. Flight prices, which tend to average around $313, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Southeast Asia, with average flight prices from Seoul averaging around $351.

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

Our data shows that Friday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $664. On the other hand, Thursday 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 $936.

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

In the afternoon is the cheapest time of day to fly from Seoul to Southeast Asia when you can find flight prices for as low as $664. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of $936.

What is the cheapest Seoul to Southeast Asia flight route?

Fly from Incheon Intl to Kota Kinabalu for the best Seoul - Southeast Asia flight prices

How far in advance should I book a flight from Seoul 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 $698 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 $632 on momondo.

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

There are 2 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	7h 05m
Direct flights	Every day
Airports in Southeast Asia	294 airports

The fastest flight from Seoul to Southeast Asia takes 7h 05m

Direct flights go from Seoul to Southeast Asia every day.

There are 294 airports in Southeast Asia. From Seoul there are direct flights to Bangkok Suvarnabhumi (BKK).

Search flight deals

Frequently asked questions about flying from Seoul to Southeast Asia

When did momondo last update prices for flights from Seoul to Southeast Asia?
Prices for flights from Seoul to Southeast Asia refresh daily.
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 30.03% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 18.36%, Airbus A321-100/200 at 18.32%, and Airbus A320-100/200 at 5.98%.

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
VietJet Air	PriceFrom $259	Free cancellation	Rating 5.6 173 reviews		Search VietJet Air 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.