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Cheap flights from South Korea to Southeast Asia from S$ 82

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 15-7. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

S$ 209

One-way from

S$ 82

Popular in

January

Cheapest in

June

Average price

S$ 225
Jeju Air
  • Jeju Air
  • 4-7-8-7
  • Nonstop
  • 13h 05m total
  • South Korea to Southeast Asia
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Jeju Air
  • Jeju Air
  • 15-7
  • Nonstop
  • 6h 30m total
  • South Korea to Southeast Asia
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (S$ 121 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 June 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 13 June 2025.

Fri 4-718:05PUS - SIN
Nonstop6h 30mJeju Air
Tue 8-700:35SIN - PUS
Nonstop6h 35mJeju Air
Deal found 12-6S$ 209
Thu 4-911:00PUS - SIN
1 stop25h 55mVietnam Airlines
Tue 9-913:05SIN - PUS
1 stop17h 00mVietnam Airlines
Deal found 12-6S$ 227
Thu 17-719:00ICN - SIN
Nonstop6h 45mT'way Air
Tue 22-702:15SIN - ICN
Nonstop6h 40mT'way Air
Deal found 12-6S$ 250
Thu 26-608:15ICN - SIN
1 stop13h 30mMultiple Airlines
Mon 30-613:50SIN - ICN
1 stop16h 10mMultiple Airlines
Deal found 11-6S$ 253
Sun 13-718:05ICN - SIN
1 stop18h 50mVietnam Airlines
Sun 20-713:05SIN - ICN
1 stop26h 30mVietnam Airlines
Deal found 12-6S$ 259
Sun 24-819:50CJU - SIN
Nonstop5h 55mT'way Air
Mon 25-802:15SIN - CJU
Nonstop6h 05mT'way Air
Deal found 11-6S$ 266
Thu 4-918:05PUS - SIN
Nonstop6h 30mMultiple Airlines
Tue 9-917:55SIN - PUS
1 stop12h 00mMultiple Airlines
Deal found 12-6S$ 275
Thu 3-709:45CJU - SIN
1 stop12h 45mMultiple Airlines
Sun 6-723:25SIN - CJU
2 stops31h 05mMultiple Airlines
Deal found 11-6S$ 307
Wed 16-708:35CJU - SIN
Nonstop5h 55mScoot
Sat 19-700:10SIN - CJU
Nonstop6h 05mScoot
Deal found 12-6S$ 311
Wed 23-712:00TAE - SIN
1 stop29h 55mChina Eastern
Sun 27-710:10SIN - TAE
1 stop23h 50mChina Eastern
Deal found 12-6S$ 314
Thu 3-717:15GMP - SIN
2 stops31h 20mMultiple Airlines
Tue 8-700:10SIN - GMP
1 stop9h 35mMultiple Airlines
Deal found 11-6S$ 315
Wed 2-712:35PUS - SIN
3 stops24h 05mChina Eastern
Tue 8-700:55SIN - PUS
1 stop9h 40mChina Eastern
Deal found 12-6S$ 315

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 13 June 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

BusanSingapore

PUS - SIN

PUSSIN

Busan Gimhae

Fri 4-7

18:05-23:35

Nonstop6h 30m

Singapore Changi

Tue 8-7

00:35-08:10

Nonstop6h 35m

S$ 209

BusanSingapore

PUS - SIN

PUSSIN

Busan Gimhae

Sat 6-9

11:00-11:55

1 stop25h 55m

Singapore Changi

Thu 11-9

13:05-07:05

1 stop17h 00m

S$ 230

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 17-7

19:00-00:45

Nonstop6h 45m

Singapore Changi

Tue 22-7

02:15-09:55

Nonstop6h 40m

S$ 250

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 26-6

08:15-20:45

1 stop13h 30m

Singapore Changi

Mon 30-6

13:50-07:00

1 stop16h 10m

S$ 253

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Sun 13-7

18:05-11:55

1 stop18h 50m

Singapore Changi

Sun 20-7

13:05-16:35

1 stop26h 30m

S$ 259

Jeju CitySingapore

CJU - SIN

CJUSIN

Jeju City

Sun 24-8

19:50-00:45

Nonstop5h 55m

Singapore Changi

Mon 25-8

02:15-09:20

Nonstop6h 05m

S$ 266

BusanSingapore

PUS - SIN

PUSSIN

Busan Gimhae

Thu 4-9

18:05-23:35

Nonstop6h 30m

Singapore Changi

Tue 9-9

17:55-06:55

1 stop12h 00m

S$ 275

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Wed 9-7

11:30-17:00

Nonstop6h 30m

Singapore Changi

Sun 13-7

02:45-10:15

Nonstop6h 30m

S$ 285

Jeju CitySingapore

CJU - SIN

CJUSIN

Jeju City

Thu 3-7

09:45-21:30

1 stop12h 45m

Singapore Changi

Sun 6-7

23:25-07:30

2 stops31h 05m

S$ 307

Jeju CitySingapore

CJU - SIN

CJUSIN

Jeju City

Wed 16-7

08:35-13:30

Nonstop5h 55m

Singapore Changi

Sat 19-7

00:10-07:15

Nonstop6h 05m

S$ 311

Flights are sorted by cheapest return flights first.

Deals found on 11-6

Showing 1-10 of 60 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$ 234). 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 13 June 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 13 June 2025.

The most flights from KR0 to zzYJX are scheduled on a Wednesday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 13 June 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Asiana Airlines from South Korea to Southeast Asia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,202 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very Good
1,091 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Garuda Indonesia
8.1
Very Good
76 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very Good
1,304 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 Jeju Air. According to our data, you can fly for as low as S$ 82. Users have also found prices from S$ 105 and S$ 108 on Scoot 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$ 234). 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapestS$ 156AverageS$ 312FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Jeju AirCheapestS$ 241AverageS$ 721FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
T'way AirCheapestS$ 259AverageS$ 385FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Asiana AirlinesCheapestS$ 391AverageS$ 494FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Singapore AirlinesCheapestS$ 403AverageS$ 606FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Korean AirCheapestS$ 467AverageS$ 695FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find South Korea to Southeast Asia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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