What airlines fly to Southeast Asia?

Korean Air, Jeju 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 24 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?

VietJet Air, T'way Air, and AIR PREMIA are the most popular carriers operating from Seoul 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 143 per day as of July 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 July 2025, 1,005 flights take off from Seoul and land in Southeast Asia each week. The most common flight departure day for this route is Wed, with 16% of weekly 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 are updated daily.

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

As of July 2025, there are 29 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.

$55 Cheap Flights from Seoul to Southeast Asia in 2025

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Find the cheapest flights from Seoul to Southeast Asia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:25 am - 8:55 amICN-HAN

4h 30mnonstop

1:40 am - 7:55 amHAN-ICN

4h 15mnonstop

$125VietJet Air

Find Deal

Fri, Sep 26 - Mon, Sep 29

6:25 am - 8:55 amICN-HAN

4h 30mnonstop

1:40 am - 7:55 amHAN-ICN

4h 15mnonstop

$128VietJet Air

Find Deal

Fri, Sep 5 - Mon, Sep 8

10:05 am - 10:50 amICN-BKK

26h 45m1 stop

11:55 am - 4:35 pmBKK-ICN

26h 40m1 stop

$134Vietnam Airlines

Find Deal

Sun, Sep 14 - Sun, Sep 21

10:05 am - 6:05 pmICN-BKK

10h 00m1 stop

7:05 pm - 4:35 pmBKK-ICN

19h 30m1 stop

$135Vietnam Airlines

Find Deal

Sun, Sep 7 - Wed, Sep 10

8:05 pm - 11:59 pmICN-BKK

5h 54mnonstop

1:00 am - 8:40 amBKK-ICN

5h 40mnonstop

$157Jeju Air

Find Deal

Sat, Sep 13 - Thu, Sep 18

8:05 pm - 11:59 pmICN-BKK

5h 54mnonstop

1:00 am - 8:40 amBKK-ICN

5h 40mnonstop

$158Jeju Air

Find Deal

Wed, Sep 17 - Thu, Sep 18

5:25 pm - 9:50 pmICN-HKT

6h 25mnonstop

10:50 pm - 7:00 amHKT-ICN

6h 10mnonstop

$160Jin Air

Find Deal

Mon, Sep 1 - Tue, Sep 30

5:25 pm - 9:50 pmICN-HKT

6h 25mnonstop

10:50 pm - 7:00 amHKT-ICN

6h 10mnonstop

$161Jin Air

Find Deal

Mon, Sep 1 - Tue, Sep 30

7:30 am - 11:05 amICN-SGN

5h 35mnonstop

12:05 am - 7:10 amSGN-ICN

5h 05mnonstop

$227Asiana Airlines

Find Deal

Thu, Sep 25 - Tue, Oct 14

6:10 pm - 10:30 pmICN-HKT

6h 20mnonstop

11:40 pm - 8:00 amHKT-ICN

6h 20mnonstop

$237Asiana Airlines

Find Deal

Fri, Sep 5 - Sun, Sep 7

Vietnam Airlines flights from Seoul to Southeast Asia

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

Vietnam Airlines

Sep 14

ICN10:05 amIncheon Intl

26h 45m

1 stop

BKK10:50 amBangkok Suvarnabhumi

Sep 21

BKK11:55 amBangkok Suvarnabhumi

26h 40m

1 stop

ICN4:35 pmIncheon Intl

$134

Find similar

Vietnam Airlines

Sep 7

ICN10:05 amIncheon Intl

10h 00m

1 stop

BKK6:05 pmBangkok Suvarnabhumi

Sep 10

BKK7:05 pmBangkok Suvarnabhumi

19h 30m

1 stop

ICN4:35 pmIncheon Intl

$135

Find similar

Vietnam Airlines

Sep 14

ICN6:05 pmIncheon Intl

18h 45m

1 stop

BKK10:50 amBangkok Suvarnabhumi

Sep 18

BKK3:55 pmBangkok Suvarnabhumi

22h 40m

1 stop

ICN4:35 pmIncheon Intl

$137

Find similar

Philippine Airlines flights from Seoul to Southeast Asia

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

Philippine Airlines

Aug 5

ICN8:00 amIncheon Intl

11h 40m

1 stop

BKK5:40 pmBangkok Suvarnabhumi

Aug 11

BKK6:40 pmBangkok Suvarnabhumi

9h 20m

1 stop

ICN6:00 amIncheon Intl

$211

Find similar

Philippine Airlines

Aug 10

ICN8:00 amIncheon Intl

30h 15m

1 stop

BKK12:15 pmBangkok Suvarnabhumi

Aug 16

BKK1:30 pmBangkok Suvarnabhumi

14h 30m

1 stop

ICN6:00 amIncheon Intl

$221

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/26

6:25 am-8:55 am

Nonstop4h 30m

Hanoi Noibai

Mon 9/29

1:40 am-7:55 am

Nonstop4h 15m

$125

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/5

6:25 am-8:55 am

Nonstop4h 30m

Hanoi Noibai

Mon 9/8

1:40 am-7:55 am

Nonstop4h 15m

$128

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 9/14

10:05 am-10:50 am

1 stop26h 45m

Bangkok Suvarnabhumi

Sun 9/21

11:55 am-4:35 pm

1 stop26h 40m

$134

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 9/7

10:05 am-6:05 pm

1 stop10h 00m

Bangkok Suvarnabhumi

Wed 9/10

7:05 pm-4:35 pm

1 stop19h 30m

$135

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 9/13

8:05 pm-11:59 pm

Nonstop5h 54m

Bangkok Suvarnabhumi

Thu 9/18

1:00 am-8:40 am

Nonstop5h 40m

$157

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 9/17

8:05 pm-11:59 pm

Nonstop5h 54m

Bangkok Suvarnabhumi

Thu 9/18

1:00 am-8:40 am

Nonstop5h 40m

$158

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

Mon 9/1

5:25 pm-9:50 pm

Nonstop6h 25m

Phuket City

Tue 9/30

10:50 pm-7:00 am

Nonstop6h 10m

$160

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

Mon 9/1

5:25 pm-9:50 pm

Nonstop6h 25m

Phuket City

Tue 9/30

10:50 pm-7:00 am

Nonstop6h 10m

$161

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

Thu 9/25

7:30 am-11:05 am

Nonstop5h 35m

Ho Chi Minh City

Tue 10/14

12:05 am-7:10 am

Nonstop5h 05m

$227

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

Fri 9/5

6:10 pm-10:30 pm

Nonstop6h 20m

Phuket City

Sun 9/7

11:40 pm-8:00 am

Nonstop6h 20m

$237

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 June is, on average, the cheapest month to fly to Southeast Asia from Seoul, with most prices found around $177. If you don’t want to visit Southeast Asia in June, then you should wait until May to fly from Seoul, when ticket prices are also cheap, with an average price of $184.

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 $323. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $426. 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 $356. 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 $260 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 $234 on momondo.

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

There are 4 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

Best Price Found	$55
Fastest flight time	4h 25m
Direct flights	Every day
Airports in Southeast Asia	4 airports

The best one-way flight to Southeast Asia from Seoul in the past 72 hours is $55. The best round-trip flight deal from Seoul to Southeast Asia found on momondo in the last 72 hours is $125.

The fastest flight from Seoul to Southeast Asia takes 4h 25m

Direct flights go from Seoul to Southeast Asia every day.

There are 4 airports near Southeast Asia: Bangkok Suvarnabhumi (BKK), Hanoi Noibai (HAN), Ho Chi Minh City (SGN), Nha Trang Cam Ranh (CXR)

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 July 2025, there are 29 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 31.16% of all bookings. The subsequent popular models are Airbus A321-100/200 at 18.21%, Boeing 737 MAX 8 at 9.70%, and Airbus A330-300 at 8.25%.

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
T'way Air	PriceFrom $64	Free Cancellation	Rating 6.5 12 reviews	Search T'way Air flights
Scoot	PriceFrom $79	Free Cancellation	Rating 6.7 308 reviews	Search Scoot flights
Hahn Air Systems	PriceFrom $103	Free Cancellation	Rating 5.0 6 reviews	Search Hahn Air Systems flights
Jin Air	PriceFrom $104	Free Cancellation	Rating 8.7 19 reviews	Search Jin Air flights
Air Seoul	PriceFrom $104	Free Cancellation	Rating 7.5 9 reviews	Search Air Seoul flights
AIR PREMIA	PriceFrom $108	Free Cancellation	Rating 8.2 59 reviews	Search AIR PREMIA flights
AirAsia	PriceFrom $122	Free Cancellation	Rating 6.7 209 reviews	Search AirAsia flights
Cebu Pacific	PriceFrom $130	Free Cancellation	Rating 6.8 201 reviews	Search Cebu Pacific flights
Philippines AirAsia	PriceFrom $131	Free Cancellation	Rating 6.6 113 reviews	Search Philippines 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.

Start using Trips

Find my bookings

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Find better results for your trip to Southeast Asia

Popular cities in Southeast Asia

Flights to New Yorkfrom $39

Flights to Londonfrom $283

Flights to Bangkokfrom $515

Flights to Tokyofrom $493

Flights to Los Angelesfrom $37

Flights to Parisfrom $255

Flights to Copenhagenfrom $268

Flights to Istanbulfrom $435

Flights to Manilafrom $523

Flights to Miamifrom $58

Flights to Romefrom $178

Flights to Chicagofrom $59

Cheap flights from Seoul to Southeast Asia from $55

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 8/20. 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

Philippine Airlines flights from Seoul to Southeast Asia

Our best Philippine Airlines 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?

The month of June is, on average, the cheapest month to fly to Southeast Asia from Seoul, with most prices found around $177. If you don’t want to visit Southeast Asia in June, then you should wait until May to fly from Seoul, when ticket prices are also cheap, with an average price of $184.

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 4 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?

VietJet Air, T'way Air, and AIR PREMIA 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 143 per day as of July 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 July 2025, 1,005 flights take off from Seoul and land in Southeast Asia each week. The most common flight departure day for this route is Wed, with 16% of weekly 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

Best Price Found

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