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Cheap flights from Seoul to Southeast Asia from $135

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
5 Nov — 12 Nov1
1 adult

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 751,088 searches. Data last updated 31 October 2024.

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Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 22/4

18:05-10:50

1 stop18h 45m

$135

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 26/11

17:25-21:25

Nonstop6h 00m

$174

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/12

15:25-01:25

1 stop12h 00m

$175

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 5/11

21:15-01:25

Nonstop6h 10m

$177

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 17/3

17:10-21:10

Nonstop6h 00m

$180

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Sat 23/11

13:20-23:05

1 stop10h 45m

$181

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 8/11

14:55-02:05

1 stop13h 10m

$183

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 30/11

19:50-00:10

Nonstop6h 20m

$190

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Sat 23/11

15:40-00:35

2 stops33h 55m

$242

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 10/11

00:10-16:05

1 stop17h 55m

$272

Flights are sorted by cheapest first

Deals found on 30/10

Showing 1-10 of 58 results
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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 31 October 2024.

Wed 30/1021:15ICN - BKK
Nonstop6h 10mJeju Air
Thu 7/1101:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 30/10$269
Fri 29/1118:05ICN - BKK
1 stop19h 15mVietnam Airlines
Fri 6/1215:55BKK - ICN
1 stop22h 35mVietnam Airlines
Deal found 30/10$303
Mon 2/1222:10ICN - BKK
1 stop29h 15mShandong Airlines
Sat 7/1203:05BKK - ICN
1 stop16h 00mShandong Airlines
Deal found 29/10$314
Thu 14/1114:55ICN - BKK
1 stop13h 10mShenzhen Airlines
Fri 15/1103:05BKK - ICN
1 stop8h 50mShenzhen Airlines
Deal found 30/10$364
Tue 5/1117:25ICN - BKK
Nonstop6h 00mAIR PREMIA
Thu 14/1122:55BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 30/10$371
Thu 31/1015:00ICN - BKK
1 stop11h 10mCathay Pacific
Tue 5/1113:05BKK - ICN
1 stop22h 50mCathay Pacific
Deal found 30/10$422
Thu 31/1017:05ICN - BKK
Nonstop6h 20mEastar Jet
Fri 8/1122:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 30/10$425
Fri 1/1115:40ICN - DPS
Nonstop7h 10mJeju Air
Tue 12/1123:05DPS - ICN
Nonstop7h 05mJeju Air
Deal found 30/10$426
Sat 23/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Mon 25/1101:30BKK - ICN
Nonstop5h 20mT'way Air
Deal found 30/10$440
Sun 10/1100:10ICN - BKK
1 stop17h 55mMalaysia Airlines
Tue 19/1114:20BKK - ICN
1 stop14h 10mMalaysia Airlines
Deal found 30/10$454
Sun 1/1217:10ICN - BKK
Nonstop6h 00mJin Air
Thu 5/1222:25BKK - ICN
Nonstop5h 15mJin Air
Deal found 30/10$457
Mon 2/1219:35ICN - DPS
1 stop20h 35mCathay Pacific
Sun 15/1216:10DPS - ICN
1 stop19h 35mCathay Pacific
Deal found 31/10$504

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 $494). Flying from Seoul to Southeast Asia in December is currently the most expensive (average of $782). 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 31 October 2024.

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 31 October 2024.

The most flights from SEL to zzYJX are scheduled on a Tuesday (35 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 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 31 October 2024.
Peruse reviews from past customers who have flown with Shenzhen Airlines, Jin Air and Shandong Airlines 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
1,039 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very Good
1,039 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

EVA Air
8.4
Very Good
1,329 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Asiana Airlines
8.4
Very Good
486 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very Good
792 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

AIR PREMIA
8.1
Very Good
52 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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 $189 on Jeju Air. Other airlines that offer cheap prices include T'way Air from $190 and China Eastern from $242 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 AIR PREMIA(97%), Turkish Airlines(95%) or Air Busan(89%), 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 $677, our data indicates the cheapest price to be $152. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $314.

  • 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 $494). Flying from Seoul to Southeast Asia in December is currently the most expensive (average of $782). 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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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 751,088 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$182Average$365FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Philippines AirAsiaCheapest$207Average$312FlexibilityNo cancel feeOn-time53%
Search Philippines AirAsia flights
Cebu PacificCheapest$223Average$326FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
Thai AirAsia XCheapest$223Average$339FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
China EasternCheapest$292Average$379FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Korean AirCheapest$506Average$526FlexibilityNo 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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