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Cheap flights from South Korea to Southeast Asia from S$ 93

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19-8. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
9 Jul — 16 Jul1
1 adult

Cheap flight deals from South Korea to Southeast Asia

Keep the following information in mind while searching for South Korea to Southeast Asia flight deals. Data was last updated 4 July 2025.

Round-trip from

S$ 238

One-way from

S$ 93

Popular in

January

Cheapest in

June

Average price

S$ 255
T'way Air
  • T'way Air
  • 17-8-19-8
  • Nonstop
  • 12h 00m total
  • South Korea to Southeast Asia
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T'way Air
  • T'way Air
  • 19-8
  • Nonstop
  • 5h 55m total
  • South Korea to Southeast Asia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (S$ 125 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (S$ 17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from South Korea to Southeast Asia

Cheapest flights from South Korea to Southeast Asia
Explore the most affordable flight options available from South Korea to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Sun 17-819:50CJU - SIN
Nonstop5h 55mT'way Air
Tue 19-802:15SIN - CJU
Nonstop6h 05mT'way Air
Deal found 4-7S$ 238
Fri 5-910:35ICN - SIN
1 stop7h 50mVietnam Airlines
Sat 6-913:05SIN - ICN
1 stop26h 30mVietnam Airlines
Deal found 3-7S$ 264
Fri 29-820:40ICN - SIN
Nonstop6h 35mJeju Air
Mon 1-903:15SIN - ICN
Nonstop6h 55mJeju Air
Deal found 3-7S$ 269
Mon 3-1109:30PUS - SIN
1 stop27h 45mVietnam Airlines
Fri 7-1113:25SIN - PUS
1 stop15h 45mVietnam Airlines
Deal found 4-7S$ 269
Mon 1-920:20ICN - SIN
1 stop13h 10mMultiple Airlines
Sun 7-902:45SIN - ICN
Nonstop6h 30mMultiple Airlines
Deal found 1-7S$ 274
Tue 8-715:40ICN - SIN
Nonstop6h 50mT'way Air
Tue 15-723:00SIN - ICN
Nonstop6h 30mT'way Air
Deal found 2-7S$ 280
Wed 24-911:30ICN - SIN
Nonstop6h 30mScoot
Sun 28-902:45SIN - ICN
Nonstop6h 30mScoot
Deal found 3-7S$ 289
Fri 29-818:05PUS - SIN
Nonstop6h 30mJeju Air
Tue 2-900:35SIN - PUS
Nonstop6h 35mJeju Air
Deal found 3-7S$ 290
Mon 22-918:05PUS - SIN
Nonstop6h 30mMultiple Airlines
Mon 29-917:55SIN - PUS
1 stop12h 00mMultiple Airlines
Deal found 3-7S$ 297
Wed 20-808:35CJU - SIN
Nonstop5h 55mMultiple Airlines
Sun 24-802:15SIN - CJU
Nonstop6h 05mMultiple Airlines
Deal found 2-7S$ 308
Tue 15-708:35CJU - SIN
Nonstop5h 55mScoot
Mon 11-800:10SIN - CJU
Nonstop6h 05mScoot
Deal found 3-7S$ 312
Thu 17-712:00TAE - SIN
1 stop18h 25mChina Eastern
Mon 21-710:10SIN - TAE
1 stop23h 50mChina Eastern
Deal found 2-7S$ 318

Cheapflights Fare Finder

Customise your flight search to find flights from South Korea to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 4 July 2025.
Use the filters below to find and compare flights from South Korea to Southeast Asia that are best for you.

Fly from

South Korea

Fly to

Southeast Asia

Route

Depart

Return

Price

Jeju CitySingapore

CJU - SIN

CJUSIN

Jeju City

Sun 17-8

19:50-00:45

Nonstop5h 55m

Singapore Changi

Tue 19-8

02:15-09:20

Nonstop6h 05m

S$ 238

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Fri 5-9

10:35-17:25

1 stop7h 50m

Singapore Changi

Sat 6-9

13:05-16:35

1 stop26h 30m

S$ 264

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Fri 29-8

20:40-02:15

Nonstop6h 35m

Singapore Changi

Mon 1-9

03:15-11:10

Nonstop6h 55m

S$ 269

BusanSingapore

PUS - SIN

PUSSIN

Busan Gimhae

Mon 3-11

09:30-12:15

1 stop27h 45m

Singapore Changi

Fri 7-11

13:25-06:10

1 stop15h 45m

S$ 269

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 1-9

20:20-08:30

1 stop13h 10m

Singapore Changi

Sun 7-9

02:45-10:15

Nonstop6h 30m

S$ 274

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 21-8

15:40-21:30

Nonstop6h 50m

Singapore Changi

Tue 26-8

23:00-06:30

Nonstop6h 30m

S$ 287

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Wed 24-9

11:30-17:00

Nonstop6h 30m

Singapore Changi

Sun 28-9

02:45-10:15

Nonstop6h 30m

S$ 289

BusanSingapore

PUS - SIN

PUSSIN

Busan Gimhae

Fri 29-8

18:05-23:35

Nonstop6h 30m

Singapore Changi

Tue 2-9

00:35-08:10

Nonstop6h 35m

S$ 290

BusanSingapore

PUS - SIN

PUSSIN

Busan Gimhae

Mon 22-9

18:05-23:35

Nonstop6h 30m

Singapore Changi

Mon 29-9

17:55-06:55

1 stop12h 00m

S$ 297

Jeju CitySingapore

CJU - SIN

CJUSIN

Jeju City

Wed 20-8

08:35-13:30

Nonstop5h 55m

Singapore Changi

Sun 24-8

02:15-09:20

Nonstop6h 05m

S$ 308

Flights are sorted by cheapest return flights first.

Deals found on 3-7

Showing 1-10 of 45 results
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Best time to book a flight from South Korea to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from South Korea with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Korea to Southeast Asia

What is the cheapest month to book a flight from South Korea to Southeast Asia?

Currently, January is the cheapest month in which you can book a flight from South Korea to Southeast Asia (average of S$ 134). Flying from South Korea to Southeast Asia in December is currently the most expensive (average of S$ 235). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KR to YJX?

Find hourly flight availability from South Korea to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

When flying from South Korea to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from South Korea to Southeast Asia

Explore weekly flight availability from South Korea to Southeast Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

The most flights from KR0 to zzYJX are scheduled on a Wednesday (36 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 on average).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 4 July 2025.
Read through reviews of airlines operating flights from South Korea to Southeast Asia, such as Vietnam Airlines, Air China, andChina Eastern. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Boarding

7.5

Food

6.8

Comfort

7.5

Entertainment

6.2

Overall

7.5

Crew

8.1

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Vietnam Airlines
7.5
Good
194 reviews
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Boarding

7.5

Food

6.8

Comfort

7.5

Entertainment

6.2

Overall

7.5

Crew

8.1

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Air China
7.2
Good
92 reviews
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Boarding

7.5

Food

6.8

Comfort

7.5

Entertainment

6.2

Overall

7.5

Crew

8.1

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
China Eastern
7.1
Good
152 reviews
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Boarding

7.5

Food

6.8

Comfort

7.5

Entertainment

6.2

Overall

7.5

Crew

8.1

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Scoot
6.7
Okay
306 reviews
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Boarding

7.5

Food

6.8

Comfort

7.5

Entertainment

6.2

Overall

7.5

Crew

8.1

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.

Related info for your journey

Find useful and relevant information for your journey from South Korea to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from South Korea to Southeast Asia one-way?

    For one-way options, check prices for T'way Air. According to our data, you can fly for as low as S$ 93. Users have also found prices from S$ 101 and S$ 103 on Jeju Air and Vietnam Airlines, respectively.

  • Can I find deals for flights from South Korea to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on South Korea to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from South Korea to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Southeast Asia.

  • Can I find deals for business class flights from South Korea to Southeast Asia?

    Yes. Cheapflights offers flight deals from South Korea to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Korea to Southeast Asia?

    Currently, January is the cheapest month in which you can book a flight from South Korea to Southeast Asia (average of S$ 134). Flying from South Korea to Southeast Asia in December is currently the most expensive (average of S$ 235). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Korea to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from South Korea to Southeast Asia

Discover the top 6 airlines that operate flights from South Korea to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapestS$ 155AverageS$ 310FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
T'way AirCheapestS$ 235AverageS$ 376FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Jeju AirCheapestS$ 240AverageS$ 717FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Asiana AirlinesCheapestS$ 389AverageS$ 485FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Singapore AirlinesCheapestS$ 401AverageS$ 603FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Korean AirCheapestS$ 465AverageS$ 703FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from South Korea to Southeast Asia?

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Why should you use Cheapflights to find cheap flight tickets from South Korea to Southeast Asia?

Cheapflights helps you find that perfect flight to Southeast Asia from South Korea by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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