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 29% 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.

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 13h 20m and 33h 35m, respectively.

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

As of October 2025, 887 flights take off from Seoul and land in Southeast Asia each week. The most common flight departure day for this route is Wed, 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 126 per day as of October 2025. The most frequent departure time is 6:00PM, with 50% of daily flights leaving in the evening.

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

Jeju Air, Jin Air, and Thai Vietjet Air 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 October 2025, there are 26 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.

$66 Cheap Flights from Seoul to Southeast Asia in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seoul to Southeast Asia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:05 pm - 11:55 pmICN-BKK

5h 50mnonstop

1:00 am - 8:25 amBKK-ICN

5h 25mnonstop

$139Jeju Air

Find Deal

Sun, Oct 19 - Mon, Oct 27

8:05 pm - 11:55 pmICN-BKK

5h 50mnonstop

1:00 am - 8:25 amBKK-ICN

5h 25mnonstop

$140Jeju Air

Find Deal

Sun, Oct 19 - Mon, Oct 27

8:55 pm - 11:55 pmICN-CXR

5h 00mnonstop

9:50 pm - 4:30 amCXR-ICN

4h 40mnonstop

$142Multiple Airlines

Find Deal

Sat, Oct 18 - Wed, Oct 22

1:50 am - 4:40 amICN-CXR

4h 50mnonstop

9:40 pm - 4:30 amCXR-ICN

4h 50mnonstop

$151VietJet Air

Find Deal

Thu, Oct 23 - Fri, Oct 31

2:15 am - 5:40 amICN-MNL

4h 25mnonstop

7:35 pm - 12:45 amMNL-ICN

4h 10mnonstop

$152Cebu Pacific

Find Deal

Tue, Nov 18 - Tue, Dec 2

6:15 am - 9:05 amICN-CXR

4h 50mnonstop

9:50 pm - 4:30 amCXR-ICN

4h 40mnonstop

$158VietJet Air

Find Deal

Sat, Oct 18 - Wed, Oct 22

2:15 am - 5:40 amICN-MNL

4h 25mnonstop

7:35 pm - 12:45 amMNL-ICN

4h 10mnonstop

$159Cebu Pacific

Find Deal

Fri, Nov 21 - Tue, Dec 2

7:55 pm - 11:45 pmICN-BKK

5h 50mnonstop

10:25 pm - 6:05 amBKK-ICN

5h 40mnonstop

$203Jin Air

Find Deal

Tue, Oct 21 - Fri, Oct 31

4:15 pm - 8:30 pmICN-CNX

6h 15mnonstop

9:40 pm - 4:45 amCNX-ICN

5h 05mnonstop

$225Jin Air

Find Deal

Sat, Nov 1 - Wed, Nov 12

7:30 pm - 10:00 pmICN-HAN

4h 30mnonstop

11:50 pm - 5:45 amHAN-ICN

3h 55mnonstop

$248Asiana Airlines

Find Deal

Sat, Oct 18 - Wed, Oct 29

Vietnam Airlines flights from Seoul to Southeast Asia

Our best Vietnam Airlines deals on Seoul to Southeast Asia flight tickets

Vietnam Airlines

Oct 14

ICN5:55 pmIncheon Intl

28h 10m

1 stop

BKK8:05 pmBangkok Suvarnabhumi

Dec 14

BKK7:00 pmBangkok Suvarnabhumi

19h 30m

1 stop

ICN4:30 pmIncheon Intl

$178

Find similar

Vietnam Airlines

Apr 6

ICN10:05 amIncheon Intl

10h 00m

1 stop

BKK6:05 pmBangkok Suvarnabhumi

Apr 18

BKK11:55 amBangkok Suvarnabhumi

15h 55m

1 stop

ICN5:50 amIncheon Intl

$179

Find similar

Vietnam Airlines

Dec 12

ICN6:05 pmIncheon Intl

19h 15m

1 stop

BKK11:20 amBangkok Suvarnabhumi

Dec 20

BKK9:15 pmBangkok Suvarnabhumi

17h 10m

1 stop

ICN4:25 pmIncheon Intl

$184

Find similar

Jeju Air flights from Seoul to Southeast Asia

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

Jeju Air

Oct 15

ICN8:05 pmIncheon Intl

5h 50m

BKK11:55 pmBangkok Suvarnabhumi

Oct 28

BKK1:00 amBangkok Suvarnabhumi

5h 25m

ICN8:25 amIncheon Intl

$136

Find similar

Jeju Air

Oct 19

ICN8:05 pmIncheon Intl

5h 50m

BKK11:55 pmBangkok Suvarnabhumi

Oct 27

BKK1:00 amBangkok Suvarnabhumi

5h 25m

ICN8:25 amIncheon Intl

$139

Find similar

Jeju Air

Oct 19

ICN8:05 pmIncheon Intl

5h 50m

BKK11:55 pmBangkok Suvarnabhumi

Oct 27

BKK1:00 amBangkok Suvarnabhumi

5h 25m

ICN8:25 amIncheon Intl

$140

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 10/19

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Mon 10/27

1:00 am-8:25 am

Nonstop5h 25m

$139

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 10/19

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Mon 10/27

1:00 am-8:25 am

Nonstop5h 25m

$140

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Sat 10/18

8:55 pm-11:55 pm

Nonstop5h 00m

Nha Trang Cam Ranh

Wed 10/22

9:50 pm-4:30 am

Nonstop4h 40m

$142

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Thu 10/23

1:50 am-4:40 am

Nonstop4h 50m

Nha Trang Cam Ranh

Fri 10/31

9:40 pm-4:30 am

Nonstop4h 50m

$151

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Tue 11/18

2:15 am-5:40 am

Nonstop4h 25m

Manila Ninoy Aquino Intl

Tue 12/2

7:35 pm-12:45 am

Nonstop4h 10m

$152

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Sat 10/18

6:15 am-9:05 am

Nonstop4h 50m

Nha Trang Cam Ranh

Wed 10/22

9:50 pm-4:30 am

Nonstop4h 40m

$158

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Fri 11/21

2:15 am-5:40 am

Nonstop4h 25m

Manila Ninoy Aquino Intl

Tue 12/2

7:35 pm-12:45 am

Nonstop4h 10m

$159

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 10/21

7:55 pm-11:45 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Fri 10/31

10:25 pm-6:05 am

Nonstop5h 40m

$203

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sat 11/1

4:15 pm-8:30 pm

Nonstop6h 15m

Chiang Mai

Wed 11/12

9:40 pm-4:45 am

Nonstop5h 05m

$225

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sat 10/18

7:30 pm-10:00 pm

Nonstop4h 30m

Hanoi Noibai

Wed 10/29

11:50 pm-5:45 am

Nonstop3h 55m

$248

Flights are sorted by cheapest round-trip 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 month of September is, on average, the cheapest month to fly to Southeast Asia from Seoul, with most prices found around $158. 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 $335. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $393. 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 $360. 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 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 $246 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 $228 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), Manila Ninoy Aquino Intl (MNL)

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 October 2025, there are 26 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 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
Eastar Jet	PriceFrom $57	Free Cancellation	Rating 0.0 0 reviews	Search Eastar Jet flights
Scoot	PriceFrom $79	Free Cancellation	Rating 6.7 308 reviews	Search Scoot flights
AirAsia	PriceFrom $101	Free Cancellation	Rating 6.8 218 reviews	Search AirAsia flights
AIR PREMIA	PriceFrom $108	Free Cancellation	Rating 8.3 63 reviews	Search AIR PREMIA flights
Thai Vietjet Air	PriceFrom $124	Free Cancellation	Rating 6.8 106 reviews	Search Thai Vietjet Air flights
Air Seoul	PriceFrom $125	Free Cancellation	Rating 0.0 0 reviews	Search Air Seoul flights
Jin Air	PriceFrom $126	Free Cancellation	Rating 0.0 0 reviews	Search Jin Air flights
Cebu Pacific	PriceFrom $130	Free Cancellation	Rating 6.8 201 reviews	Search Cebu Pacific flights
Philippines AirAsia	PriceFrom $130	Free Cancellation	Rating 6.6 114 reviews	Search Philippines AirAsia flights
Vietnam Airlines	PriceFrom $142	Free Cancellation	Rating 7.5 202 reviews	Search Vietnam Airlines 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 11/7

Fri 11/14

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Southeast Asia

Popular cities in Southeast Asia

Flights to New Yorkfrom $49

Flights to Londonfrom $316

Flights to Bangkokfrom $508

Flights to Tokyofrom $378

Flights to Los Angelesfrom $49

Flights to Parisfrom $329

Flights to Copenhagenfrom $342

Flights to Istanbulfrom $376

Flights to Manilafrom $523

Flights to Romefrom $323

Flights to Miamifrom $63

Flights to Chicagofrom $49

Cheap flights from Seoul to Southeast Asia from $66

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 10/30. 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

Vietnam Airlines flights from Seoul to Southeast Asia

Our best Vietnam Airlines deals on Seoul to Southeast Asia flight tickets

Jeju Air flights from Seoul to Southeast Asia

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

momondo Fare Finder

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

See travel insights to Southeast Asia from

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, Jin Air, and Thai Vietjet Air 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 126 per day as of October 2025. The most frequent departure time is 6:00PM, with 50% of daily flights leaving in the evening.

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

As of October 2025, 887 flights take off from Seoul and land in Southeast Asia each week. The most common flight departure day for this route is Wed, 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 13h 20m and 33h 35m, 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