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Cheap flights from Seoul to Southeast Asia from $193

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
19 Jan — 26 Jan1
1 adult

Cheap flight deals from Seoul to Southeast Asia

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Southeast Asia (zzYJX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 January 2025.

Round-trip from

$361

One-way from

$193
Vietnam Airlines
  • Vietnam Airlines
  • 22/3-29/3
  • 2 total stops
  • 48h 55m total
  • Seoul to Southeast Asia
Search Deals
Jeju Air
  • Jeju Air
  • 17/2
  • Nonstop
  • 6h 10m total
  • Seoul to Southeast Asia
Search Deals

Find flight deals from Seoul to Southeast Asia

Cheapest flights from Seoul to Southeast Asia
Explore the most affordable flight options available from Seoul to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 January 2025.

Sat 22/318:05ICN - BKK
1 stop22h 40mVietnam Airlines
Sat 29/312:20BKK - ICN
1 stop26h 15mVietnam Airlines
Deal found 13/1$361
Mon 17/317:10ICN - BKK
Nonstop6h 00mJin Air
Sat 22/322:25BKK - ICN
Nonstop5h 15mJin Air
Deal found 13/1$362
Mon 17/219:30ICN - BKK
Nonstop6h 15mJeju Air
Mon 17/202:25BKK - ICN
Nonstop5h 30mJeju Air
Deal found 13/1$364
Mon 24/317:25ICN - BKK
Nonstop6h 00mAIR PREMIA
Fri 28/322:55BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 13/1$370
Fri 28/211:45ICN - BKK
1 stop16h 10mShandong Airlines
Mon 3/303:05BKK - ICN
1 stop29h 40mShandong Airlines
Deal found 13/1$448
Sat 1/300:10ICN - BKK
1 stop19h 30mMalaysia Airlines
Fri 7/305:40BKK - ICN
1 stop14h 30mMalaysia Airlines
Deal found 13/1$465
Thu 29/506:50ICN - DPS
1 stop15h 15mBatik Air
Fri 13/611:35DPS - ICN
1 stop17h 15mBatik Air
Deal found 13/1$470
Fri 28/207:35ICN - DPS
1 stop12h 45mMultiple Airlines
Fri 7/319:05DPS - ICN
2 stops25h 30mMultiple Airlines
Deal found 13/1$479
Sun 9/210:05ICN - BKK
1 stop8h 35mCathay Pacific
Tue 25/211:40BKK - ICN
1 stop7h 35mCathay Pacific
Deal found 13/1$479
Sun 18/510:10ICN - DPS
1 stop32h 30mCathay Pacific
Fri 30/518:45DPS - ICN
1 stop25h 30mCathay Pacific
Deal found 13/1$486
Sat 15/312:35ICN - DPS
1 stop12h 20mSingapore Airlines
Sun 16/321:45DPS - ICN
1 stop16h 55mSingapore Airlines
Deal found 13/1$487
Sun 2/300:10ICN - DPS
1 stop16h 15mMalaysia Airlines
Mon 10/316:25DPS - ICN
1 stop13h 05mMalaysia Airlines
Deal found 13/1$491

Find flights from Seoul to Southeast Asia within your budget

Customise your flight search to find flights from Seoul 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 647,157 searches. Data last updated 14 January 2025.

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Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 22/3

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Sat 29/3

12:20-16:35

1 stop26h 15m

$361

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 17/3

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Sat 22/3

22:25-05:40

Nonstop5h 15m

$362

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 17/2

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Mon 17/2

02:25-09:55

Nonstop5h 30m

$364

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 24/3

17:25-21:25

Nonstop6h 00m

Bangkok Suvarnabhumi

Fri 28/3

22:55-06:35

Nonstop5h 40m

$370

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 28/2

11:45-01:55

1 stop16h 10m

Bangkok Suvarnabhumi

Sun 2/3

02:25-22:50

1 stop18h 25m

$448

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 28/2

00:10-17:40

1 stop19h 30m

Bangkok Suvarnabhumi

Tue 4/3

18:40-06:30

1 stop9h 50m

$461

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Thu 29/5

06:50-21:05

1 stop15h 15m

Denpasar Bali Ngurah Rai

Fri 13/6

11:35-05:50

1 stop17h 15m

$470

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Fri 28/2

07:35-19:20

1 stop12h 45m

Denpasar Bali Ngurah Rai

Fri 7/3

19:05-21:35

2 stops25h 30m

$479

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 9/2

10:05-16:40

1 stop8h 35m

Bangkok Suvarnabhumi

Tue 25/2

11:40-21:15

1 stop7h 35m

$479

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Sun 18/5

10:10-17:40

1 stop32h 30m

Denpasar Bali Ngurah Rai

Tue 27/5

18:45-14:10

1 stop18h 25m

$486

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 42 results
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Best time to book a flight from Seoul to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Seoul 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.

Travel insights for flights from Seoul to Southeast Asia

Get recent, data-driven insights about flights from Seoul to Southeast Asia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Seoul to Southeast Asia (average of $489). Flying from Seoul to Southeast Asia in December is currently the most expensive (average of $911). 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 SEL to YJX?

Find hourly flight availability from Seoul 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 14 January 2025.

When flying from Seoul 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 Seoul to Southeast Asia

Explore weekly flight availability from Seoul 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 14 January 2025.

The most flights from SEL to zzYJX are scheduled on a Wednesday (41 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (38 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 14 January 2025.
Peruse reviews from past customers who have flown with China Eastern, Malaysia Airlines and Jeju Air from Seoul to Southeast Asia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very Good
1,032 reviews
Check prices

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very Good
1,032 reviews
Korean Air
8.5
Very Good
1,032 reviews
Check prices

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very Good
462 reviews
Korean Air
8.5
Very Good
1,032 reviews
Check prices

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very Good
735 reviews
Korean Air
8.5
Very Good
1,032 reviews
Check prices

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

AIR PREMIA
8.2
Very Good
53 reviews
Korean Air
8.5
Very Good
1,032 reviews
Check prices

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Seoul 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 Seoul to Southeast Asia one-way?

    One-way options have recently been found by users for as low as $193 on Jeju Air. Other airlines that offer cheap prices include Vietnam Airlines from $219 and AIR PREMIA from $226 one-way.

  • What are the most reliable airlines from Seoul to Southeast Asia?

    No one likes to see their flight delayed. When booking a flight from Seoul to Southeast Asia consider choosing Oman Air(100%), Air Busan(96%) or Turkish Airlines(85%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seoul to Southeast Asia?

    Looking for the cheapest flight from Seoul to Southeast Asia? While on average our users pay $723, our data indicates the cheapest price to be $451. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $374.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seoul 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 Seoul to Southeast Asia?

    Currently, February is the cheapest month in which you can book a flight from Seoul to Southeast Asia (average of $489). Flying from Seoul to Southeast Asia in December is currently the most expensive (average of $911). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Seoul to Southeast Asia

Discover the top 6 airlines that operate flights from Seoul 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 647,157 searches. Data last updated 14 January 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$194Average$390FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Philippines AirAsiaCheapest$221Average$333FlexibilityNo cancel feeOn-time53%
Search Philippines AirAsia flights
Thai AirAsia XCheapest$279Average$362FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
China EasternCheapest$320Average$497FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest$457Average$465FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$540Average$615FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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

When you search for this flight from Seoul to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seoul to Southeast Asia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seoul to Southeast Asia with no change fees?

Yes, we can. To see specific flights from Seoul to Southeast Asia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seoul to Southeast Asia become cheaper?

Yes! Start tracking prices for Seoul to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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