How long is the flight from Seoul to Southeast Asia?

If you’re flying from a popular airport in Seoul, such as Incheon or Seoul, and flying into Southeast Asia, then you can expect flight times to average 11h and 14h 20m, respectively.

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

As of December 2025, 904 flights take off from Seoul and land in Southeast Asia each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

The number of flights available between Seoul and Southeast Asia is 129 per day as of December 2025. The most frequent departure time is 6:00PM, with 45% of daily flights leaving in the evening.

What airlines fly to Southeast Asia?

Korean Air, VietJet Air and Asiana Airlines are the top three most popular airlines that fly to Southeast Asia from Seoul according to our data. Korean Air is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 27 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

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

AIR PREMIA, Vietnam Airlines, and Eastar Jet 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 are updated daily.

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

As of December 2025, there are 28 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 layovers. 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 travel and health documents you'll need for your trip to Southeast Asia 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 Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$77 Cheap Flights from Seoul to Southeast Asia in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:05 am - 6:05 pmICN-BKK

10h 00m1 stop

7:05 pm - 5:50 amBKK-ICN

8h 45m1 stop

$152Vietnam Airlines

Find Deal

Wed, Apr 1 - Mon, Apr 6

11:05 am - 5:05 pmICN-BKK

8h 00m1 stop

6:05 pm - 6:00 amBKK-ICN

9h 55m1 stop

$155Vietnam Airlines

Find Deal

Wed, May 27 - Sat, May 30

11:05 am - 5:05 pmICN-BKK

8h 00m1 stop

7:05 pm - 5:50 amBKK-ICN

8h 45m1 stop

$159Vietnam Airlines

Find Deal

Tue, May 26 - Sun, May 31

11:05 am - 5:05 pmICN-BKK

8h 00m1 stop

7:05 pm - 5:50 amBKK-ICN

8h 45m1 stop

$161Vietnam Airlines

Find Deal

Tue, May 26 - Sat, May 30

6:45 am - 9:55 amICN-SGN

5h 10mnonstop

6:50 am - 9:45 pmSGN-ICN

12h 55m1 stop

$210VietJet Air

Find Deal

Sun, May 17 - Mon, May 18

12:20 pm - 1:00 amICN-SGN

14h 40m1 stop

2:10 am - 11:55 amSGN-ICN

7h 45m1 stop

$211China Eastern

Find Deal

Wed, Dec 31 - Sun, Jan 4

12:20 pm - 1:00 amICN-SGN

14h 40m1 stop

2:10 am - 2:55 pmSGN-ICN

10h 45m2 stops

$212China Eastern

Find Deal

Wed, Dec 31 - Sun, Jan 4

7:00 am - 10:30 amICN-SGN

5h 30mnonstop

5:55 am - 12:45 amSGN-ICN

16h 50m1 stop

$214VietJet Air

Find Deal

Sat, Mar 21 - Mon, Apr 6

10:00 am - 5:35 pmICN-HKT

9h 35m1 stop

12:20 pm - 1:55 pmHKT-ICN

23h 35m1 stop

$276Cathay Pacific

Find Deal

Fri, Mar 6 - Sat, Mar 14

5:25 pm - 10:10 pmICN-HKT

6h 45mnonstop

11:40 pm - 7:35 amHKT-ICN

5h 55mnonstop

$284Korean Air

Find Deal

Tue, Mar 3 - Mon, Mar 16

AIR PREMIA flights from Seoul to Southeast Asia

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

AIR PREMIA

Mar 26

ICN5:15 pmIncheon Intl

6h 10m

BKK9:25 pmBangkok Suvarnabhumi

Mar 28

BKK10:55 pmBangkok Suvarnabhumi

5h 40m

ICN6:35 amIncheon Intl

$182

Find similar

AIR PREMIA

Mar 22

ICN5:15 pmIncheon Intl

6h 10m

BKK9:25 pmBangkok Suvarnabhumi

Mar 26

BKK10:55 pmBangkok Suvarnabhumi

5h 40m

ICN6:35 amIncheon Intl

$207

Find similar

Air China flights from Seoul to Southeast Asia

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

Air China

Jan 6

GMP2:25 pmSeoul Gimpo Intl

9h 05m

1 stop

BKK9:30 pmBangkok Suvarnabhumi

Jan 13

BKK11:50 pmBangkok Suvarnabhumi

11h 15m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$205

Find similar

Air China

Jan 31

GMP2:25 pmSeoul Gimpo Intl

11h 45m

1 stop

BKK12:10 amBangkok Suvarnabhumi

Feb 9

BKK11:50 pmBangkok Suvarnabhumi

11h 15m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$207

Find similar

Air China

Jan 14

GMP2:25 pmSeoul Gimpo Intl

11h 45m

1 stop

BKK12:10 amBangkok Suvarnabhumi

Jan 21

BKK7:30 pmBangkok Suvarnabhumi

15h 35m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$210

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 4/1

10:05 am-6:05 pm

1 stop10h 00m

Bangkok Suvarnabhumi

Mon 4/6

7:05 pm-5:50 am

1 stop8h 45m

$152

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 5/27

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Sat 5/30

6:05 pm-6:00 am

1 stop9h 55m

$155

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 5/26

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Sun 5/31

7:05 pm-5:50 am

1 stop8h 45m

$159

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 5/26

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Sat 5/30

7:05 pm-5:50 am

1 stop8h 45m

$161

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

Sun 5/17

6:45 am-9:55 am

Nonstop5h 10m

Ho Chi Minh City

Mon 5/18

6:50 am-9:45 pm

1 stop12h 55m

$210

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

Wed 12/31

12:20 pm-1:00 am

1 stop14h 40m

Ho Chi Minh City

Sun 1/4

2:10 am-11:55 am

1 stop7h 45m

$211

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

Wed 12/31

12:20 pm-1:00 am

1 stop14h 40m

Ho Chi Minh City

Sun 1/4

2:10 am-2:55 pm

2 stops10h 45m

$212

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

Sat 3/21

7:00 am-10:30 am

Nonstop5h 30m

Ho Chi Minh City

Mon 4/6

5:55 am-12:45 am

1 stop16h 50m

$214

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

Fri 3/6

10:00 am-5:35 pm

1 stop9h 35m

Phuket City

Sat 3/14

12:20 pm-1:55 pm

1 stop23h 35m

$276

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

Tue 3/3

5:25 pm-10:10 pm

Nonstop6h 45m

Phuket City

Mon 3/16

11:40 pm-7:35 am

Nonstop5h 55m

$284

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The month of September is, on average, the cheapest month to fly to Southeast Asia from Seoul, with most prices found around $159. If you don’t want to visit Southeast Asia in September, then you should wait until June to fly from Seoul, when ticket prices are also cheap, with an average price of $177.

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

The cheapest day to depart from Seoul to Southeast Asia is on a Monday when prices can be found for as low as $315. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $373. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

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

At noon is the cheapest time of day to fly from Seoul to Southeast Asia when you can find flight prices for as low as $249. Flying to Southeast Asia at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $340. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $247 when searching weeks out. 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 $222 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	4h 05m
Direct flights	Every day
Airports in Southeast Asia	2 airports

The fastest flight from Seoul to Southeast Asia takes 4h 05m

Direct flights go from Seoul to Southeast Asia every day.

There are 2 airports near Southeast Asia: Hanoi Noibai (HAN), Ho Chi Minh City (SGN)

Search flight deals

When did momondo last update prices for flights from Seoul to Southeast Asia?
Prices for flights from Seoul to Southeast Asia are updated daily.
How many operators does momondo search for flights from Seoul to Southeast Asia?
As of December 2025, there are 28 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 layovers. 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 travel and health documents you'll need for your trip to Southeast Asia 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 Southeast Asia. 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 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
Eastar Jet	PriceFrom $60	Free Cancellation	Rating 0.0 0 reviews	Search Eastar Jet flights
Scoot	PriceFrom $79	Free Cancellation	Rating 6.7 311 reviews	Search Scoot flights
AIR PREMIA	PriceFrom $101	Free Cancellation	Rating 8.3 71 reviews	Search AIR PREMIA flights
Thai AirAsia X	PriceFrom $124	Free Cancellation	Rating 0.0 0 reviews	Search Thai AirAsia X flights
Thai Vietjet Air	PriceFrom $124	Free Cancellation	Rating 6.8 108 reviews	Search Thai Vietjet Air flights
Philippines AirAsia	PriceFrom $129	Free Cancellation	Rating 6.6 117 reviews	Search Philippines AirAsia flights
Air Seoul	PriceFrom $129	Free Cancellation	Rating 0.0 0 reviews	Search Air Seoul flights
Cebu Pacific	PriceFrom $130	Free Cancellation	Rating 6.8 202 reviews	Search Cebu Pacific flights
Vietnam Airlines	PriceFrom $138	Free Cancellation	Rating 7.6 215 reviews	Search Vietnam Airlines flights
AirAsia	PriceFrom $143	Free Cancellation	Rating 6.8 222 reviews	Search AirAsia flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seoul to Southeast Asia for you.

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

Yes. momondo enables you to select and highlight flights to Southeast Asia from Seoul with this policy.

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

Once all potential Seoul to Southeast Asia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 not ready to book a flight from Seoul to Southeast Asia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southeast Asia and let you know when they change.

An easier way to manage your Southeast Asia trip

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

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Find better results for your trip to Southeast Asia

Popular cities in Southeast Asia

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Flights to Copenhagenfrom $338

Flights to Istanbulfrom $373

Flights to Manilafrom $467

Flights to Romefrom $330

Flights to Miamifrom $47

Flights to Chicagofrom $44

Cheap flights from Seoul to Southeast Asia from $77

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 3/26. 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 and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seoul to Southeast Asia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

AIR PREMIA flights from Seoul to Southeast Asia

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

Air China flights from Seoul to Southeast Asia

Our best Air China 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, Vietnam Airlines, and Eastar Jet are the most popular carriers operating from Seoul to Southeast Asia

What airlines fly to Southeast Asia?

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

The number of flights available between Seoul and Southeast Asia is 129 per day as of December 2025. The most frequent departure time is 6:00PM, with 45% of daily flights leaving in the evening.

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

As of December 2025, 904 flights take off from Seoul and land in Southeast Asia each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

How long is the flight from Seoul to Southeast Asia?

If you’re flying from a popular airport in Seoul, such as Incheon or Seoul, and flying into Southeast Asia, then you can expect flight times to average 11h and 14h 20m, respectively.

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, organize 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