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

As of December 2025, there are 381 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, Jeju Air, and Vietnam Airlines are the most popular carriers operating from Seoul to Southeast Asia

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

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

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.

$117 Cheap Flights from Seoul to Southeast Asia in 2025/26

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12:15 - 01:20ICN-BKK

15h 05m1 stop

01:55 - 11:55BKK-ICN

8h 00m1 stop

$293China Eastern

Find Deal

Thu, 15 Jan - Wed, 21 Jan

12:15 - 01:20ICN-BKK

15h 05m1 stop

02:20 - 19:50BKK-ICN

15h 30m1 stop

$299China Eastern

Find Deal

Sat, 17 Jan - Fri, 23 Jan

20:50 - 01:20ICN-BKK

30h 30m1 stop

19:55 - 14:55BKK-ICN

17h 00m2 stops

$328China Eastern

Find Deal

Sat, 17 Jan - Sat, 24 Jan

15:40 - 00:05ICN-BKK

10h 25m1 stop

19:55 - 14:55BKK-ICN

17h 00m2 stops

$329China Eastern

Find Deal

Thu, 15 Jan - Thu, 22 Jan

08:45 - 01:55ICN-BKK

19h 10m1 stop

03:05 - 22:50BKK-ICN

17h 45m1 stop

$331Shandong Airlines

Find Deal

Fri, 9 Jan - Sun, 11 Jan

22:05 - 01:55ICN-BKK

29h 50m1 stop

03:05 - 21:05BKK-ICN

16h 00m1 stop

$333Shandong Airlines

Find Deal

Sat, 10 Jan - Fri, 16 Jan

11:55 - 21:00ICN-BKK

11h 05m1 stop

22:10 - 16:30BKK-ICN

16h 20m1 stop

$351Vietnam Airlines

Find Deal

Mon, 8 Dec - Mon, 12 Jan

17:15 - 21:25ICN-BKK

6h 10mdirect

22:55 - 06:35BKK-ICN

5h 40mdirect

$354AIR PREMIA

Find Deal

Thu, 19 Feb - Thu, 12 Mar

10:35 - 15:00ICN-DPS

29h 25m1 stop

16:00 - 06:40DPS-ICN

13h 40m1 stop

$413Vietnam Airlines

Find Deal

Mon, 13 Apr - Sun, 19 Apr

16:15 - 23:25ICN-DPS

32h 10m1 stop

08:35 - 15:15DPS-ICN

29h 40m1 stop

$429China Southern

Find Deal

Thu, 15 Jan - Thu, 22 Jan

AIR PREMIA flights from Seoul to Southeast Asia

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

AIR PREMIA

26 Mar

ICN17:15Incheon Intl

6h 10m

BKK21:25Bangkok Suvarnabhumi

28 Mar

BKK22:55Bangkok Suvarnabhumi

5h 40m

ICN06:35Incheon Intl

$278

Find similar

AIR PREMIA

26 Mar

ICN17:15Incheon Intl

6h 10m

BKK21:25Bangkok Suvarnabhumi

28 Mar

BKK22:55Bangkok Suvarnabhumi

5h 40m

ICN06:35Incheon Intl

$294

Find similar

AIR PREMIA

22 Mar

ICN17:15Incheon Intl

6h 10m

BKK21:25Bangkok Suvarnabhumi

26 Mar

BKK22:55Bangkok Suvarnabhumi

5h 40m

ICN06:35Incheon Intl

$316

Find similar

China Eastern flights from Seoul to Southeast Asia

Our best China Eastern deals on Seoul to Southeast Asia flight tickets

China Eastern

17 Jan

ICN12:15Incheon Intl

15h 05m

1 stop

BKK01:20Bangkok Suvarnabhumi

23 Jan

BKK02:20Bangkok Suvarnabhumi

15h 30m

1 stop

ICN19:50Incheon Intl

$299

Find similar

China Eastern

17 Jan

ICN20:50Incheon Intl

30h 30m

1 stop

BKK01:20Bangkok Suvarnabhumi

24 Jan

BKK19:55Bangkok Suvarnabhumi

17h 00m

2 stops

ICN14:55Incheon Intl

$328

Find similar

China Eastern

15 Jan

ICN15:40Incheon Intl

10h 25m

1 stop

BKK00:05Bangkok Suvarnabhumi

22 Jan

BKK19:55Bangkok Suvarnabhumi

17h 00m

2 stops

ICN14:55Incheon Intl

$329

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 15/1

12:15-01:20

1 stop15h 05m

Bangkok Suvarnabhumi

Wed 21/1

01:55-11:55

1 stop8h 00m

$293

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 17/1

12:15-01:20

1 stop15h 05m

Bangkok Suvarnabhumi

Fri 23/1

02:20-19:50

1 stop15h 30m

$299

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 17/1

20:50-01:20

1 stop30h 30m

Bangkok Suvarnabhumi

Sat 24/1

19:55-14:55

2 stops17h 00m

$328

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 15/1

15:40-00:05

1 stop10h 25m

Bangkok Suvarnabhumi

Thu 22/1

19:55-14:55

2 stops17h 00m

$329

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 9/1

08:45-01:55

1 stop19h 10m

Bangkok Suvarnabhumi

Sun 11/1

03:05-22:50

1 stop17h 45m

$331

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 10/1

22:05-01:55

1 stop29h 50m

Bangkok Suvarnabhumi

Fri 16/1

03:05-21:05

1 stop16h 00m

$333

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/12

11:55-21:00

1 stop11h 05m

Bangkok Suvarnabhumi

Mon 12/1

22:10-16:30

1 stop16h 20m

$351

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 19/2

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 12/3

22:55-06:35

Nonstop5h 40m

$354

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Mon 13/4

10:35-15:00

1 stop29h 25m

Denpasar Bali Ngurah Rai

Sun 19/4

16:00-06:40

1 stop13h 40m

$413

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Thu 15/1

16:15-23:25

1 stop32h 10m

Denpasar Bali Ngurah Rai

Thu 22/1

08:35-15:15

1 stop29h 40m

$429

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 May. Flight prices, which tend to average around $586, 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 $618.

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 $723. 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 $836.

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 $723. Flying to Southeast Asia at midday 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 $821.

What is the cheapest Seoul to Southeast Asia flight route?

Fly from Incheon Intl to Da Nang 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 $668 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 $526 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	6h 10m
Direct flights	Every day
Airports in Southeast Asia	1 airport

The fastest flight from Seoul to Southeast Asia takes 6h 10m

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 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 33.30% of all bookings. The subsequent popular models are Airbus A321-100/200 at 19.60%, Airbus A330-300 at 8.04%, and Airbus A320-100/200 at 7.29%.

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 $250	Free cancellation	Rating 6.8 203 reviews		Search Cebu Pacific 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 $117

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 26/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Seoul to Southeast Asia

Cheap return flights

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AIR PREMIA flights from Seoul to Southeast Asia

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

China Eastern flights from Seoul to Southeast Asia

Our best China Eastern deals on Seoul to Southeast Asia flight tickets

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Use the filters below to find and compare flights from Seoul to Southeast Asia that are best for you.

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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 Da Nang 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?

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

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

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

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

As of December 2025, there are 381 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.

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 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