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Southeast Asia

$70+ Cheap flights from Seoul (SEL) to Southeast Asia

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Seoul to Southeast Asia

Keep the following information in mind while searching for Seoul to Southeast Asia flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(CheapOair)

One-way from

$70
(Jeju Air)

Popular in

January

Cheapest in

May

Average price

$195
Provider with most accurate pricing for Seoul (SEL)-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Manila Ninoy Aquino Intl flights.
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From Seoul (SEL) to Southeast Asia
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One-way flight from Seoul (SEL) to Southeast Asia
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Highest demand for flights based on searches. 14% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:15 amICN - KUL
Nonstop6h 30mAirAsia X
Fri 6/611:00 amKUL - ICN
Nonstop7h 05mAirAsia X
Deal found 3/31$160
This Booking.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1411:30 amICN - KUL
1 stop11h 00mMultiple Airlines
Fri 4/1811:05 pmKUL - ICN
Nonstop6h 55mMultiple Airlines
Deal found 3/31$165
This Jeju Air deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/258:05 pmICN - BKK
Nonstop5h 54mJeju Air
Wed 4/301:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 3/31$165
This AIR PREMIA deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/224:50 pmICN - BKK
Nonstop6h 20mAIR PREMIA
Wed 4/2310:45 pmBKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 3/31$166
This oojo deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:50 amICN - KUL
Nonstop6h 40mBatik Air
Mon 6/910:00 pmKUL - ICN
Nonstop6h 50mBatik Air
Deal found 3/31$168
This Jetabroad deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/155:15 pmICN - BKK
Nonstop6h 05mAir Busan
Sun 5/1810:20 pmBKK - ICN
Nonstop5h 45mAir Busan
Deal found 3/31$169
This Vietnam Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1910:05 amICN - BKK
1 stop10h 00mVietnam Airlines
Mon 6/3011:55 amBKK - ICN
1 stop15h 55mVietnam Airlines
Deal found 3/31$172
This Jeju Air deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:10 pmICN - MNL
Nonstop4h 10mJeju Air
Tue 6/1011:20 pmMNL - ICN
Nonstop4h 10mJeju Air
Deal found 3/31$173
This T'way Air deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/86:00 pmICN - BKK
Nonstop6h 35mT'way Air
Fri 6/1312:05 amBKK - ICN
Nonstop5h 35mT'way Air
Deal found 3/31$174
This Jin Air deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:55 pmICN - BKK
Nonstop5h 50mJin Air
Thu 9/412:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 3/31$177
This Booking.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1010:00 pmICN - MNL
1 stop10h 20mMultiple Airlines
Fri 6/1311:20 pmMNL - ICN
Nonstop4h 10mMultiple Airlines
Deal found 3/31$180
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:15 amICN - MNL
Nonstop4h 20mCebu Pacific
Tue 5/206:35 pmMNL - ICN
Nonstop4h 10mCebu Pacific
Deal found 3/31$185

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Seoul to Southeast Asia that are best for you.

Fly from

Seoul

Fly to

Southeast Asia

Route

Depart

Return

Price

IncheonKuala Lumpur

ICN - KUL

ICNKUL

Incheon Intl

Thu 5/29

8:15 am-1:45 pm

Nonstop6h 30m

Kuala Lumpur Intl

Fri 6/6

11:00 am-7:05 pm

Nonstop7h 05m

$160

IncheonKuala Lumpur

ICN - KUL

ICNKUL

Incheon Intl

Mon 4/14

11:30 am-9:30 pm

1 stop11h 00m

Kuala Lumpur Intl

Fri 4/18

11:05 pm-7:00 am

Nonstop6h 55m

$165

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 4/22

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Sun 4/27

10:45 pm-6:25 am

Nonstop5h 40m

$166

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 5/14

6:00 pm-10:35 pm

Nonstop6h 35m

Bangkok Suvarnabhumi

Thu 5/15

12:05 am-7:40 am

Nonstop5h 35m

$167

IncheonKuala Lumpur

ICN - KUL

ICNKUL

Incheon Intl

Fri 5/30

6:50 am-12:30 pm

Nonstop6h 40m

Kuala Lumpur Intl

Mon 6/9

10:00 pm-5:50 am

Nonstop6h 50m

$168

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 5/6

6:05 pm-2:45 pm

1 stop22h 40m

Bangkok Suvarnabhumi

Tue 5/27

11:55 am-5:50 am

1 stop15h 55m

$169

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Mon 5/12

7:10 pm-10:20 pm

Nonstop4h 10m

Manila Ninoy Aquino Intl

Tue 6/10

11:20 pm-4:30 am

Nonstop4h 10m

$173

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Thu 5/15

8:20 am-11:35 am

Nonstop4h 15m

Manila Ninoy Aquino Intl

Mon 5/19

2:05 am-7:20 am

Nonstop4h 15m

$175

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/15

5:15 pm-9:20 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 5/22

10:20 pm-6:05 am

Nonstop5h 45m

$187

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

Sun 5/25

6:45 am-9:55 am

Nonstop5h 10m

Ho Chi Minh City

Sat 5/31

12:20 pm-7:25 pm

Nonstop5h 05m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 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 round-trip 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 Seoul to Southeast Asia

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

Currently, March is the cheapest month in which you can book a flight from Seoul to Southeast Asia (average of $958). Flying from Seoul to Southeast Asia in December is currently the most expensive (average of $1,574). 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 March 31, 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 March 31, 2025.

The most flights from SEL to zzYJX are scheduled on a Monday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 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 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 March 31, 2025.
Read through reviews of airlines operating flights from Seoul to Southeast Asia, such as EVA Air, Korean Air and ANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,170 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,051 reviews
EVA Air
8.4
Very good
1,170 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
831 reviews
EVA Air
8.4
Very good
1,170 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
AIR PREMIA
8.2
Very good
55 reviews
EVA Air
8.4
Very good
1,170 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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?

    The cheapest airlines for a one-way flight from Seoul to Southeast Asia are Jeju Air ($70), VietJet Air ($71), and Batik Air ($71).

  • What are the most popular routes from Seoul to Southeast Asia?

    The most popular flight routes from Seoul to Southeast Asia are Incheon Intl - Bangkok Suvarnabhumi, Seoul Gimpo Intl - Bangkok Suvarnabhumi and Incheon Intl - Manila Ninoy Aquino Intl.

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

    Consider Air Busan (86%), Turkish Airlines (77%) or Oman Air (75%) when booking your flight. These represent the most reliable airlines when flying from Seoul to Southeast Asia.

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

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Incheon Intl - Bangkok Suvarnabhumi) can be booked for $161 on average our data indicates $575 when flying from Seoul to Southeast Asia.

  • 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 vacation 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, March is the cheapest month in which you can book a flight from Seoul to Southeast Asia (average of $958). Flying from Seoul to Southeast Asia in December is currently the most expensive (average of $1,574). 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 Seoul to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Gimpo Intl to Haneda flights
Cheongju to Jeju City flights
Incheon Intl to Hongqiao Intl flights
Incheon Intl to Haneda flights
Incheon Intl to Suvarnabhumi flights
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Incheon Intl to Jeju City flights
Gimpo Intl to Suvarnabhumi flights
Incheon Intl to Narita flights
Incheon Intl to Manila flights
Incheon Intl to Hong Kong flights
Gimpo Intl to Hongqiao Intl flights
Daegu to Taiwan Taoyuan Intl flights
Jeju City to Gimpo Intl flights
Jeju City to Busan flights
Incheon Intl to Denpasar flights
Incheon Intl to Hanoi flights
Incheon Intl to Capital flights
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Busan to Cebu City flights
Incheon Intl to Ho Chi Minh City flights
Daegu to Da Nang flights
Gimpo Intl to Manila flights
Incheon Intl to Guangzhou flights
Incheon Intl to Fukuoka flights
Incheon Intl to Kuala Lumpur Intl flights
Incheon Intl to Phu Quoc flights
Gimpo Intl to Hong Kong flights
Incheon Intl to Dhaka flights
Incheon Intl to Taiwan Taoyuan Intl flights
Incheon Intl to Kathmandu flights
Incheon Intl to Shenzhen flights
Gimpo Intl to Taiwan Taoyuan Intl flights
Incheon Intl to Phuket City flights

Top 10 airlines flying from Seoul to Southeast Asia

Discover the top 10 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 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$56Average$250FlexibilityNo cancel feeOn-time88%
Eastar JetCheapest$69Average$229FlexibilityNo cancel feeOn-time86%
Hahn Air SystemsCheapest$103Average$329FlexibilityNo cancel feeOn-timeN/A
AirAsiaCheapest$105Average$234FlexibilityNo cancel feeOn-time66%
AIR PREMIACheapest$111Average$306FlexibilityNo cancel feeOn-timeN/A
ScootCheapest$112Average$325FlexibilityNo cancel feeOn-timeN/A
Philippines AirAsiaCheapest$125Average$200FlexibilityNo cancel feeOn-time53%
Air SeoulCheapest$125Average$256FlexibilityNo cancel feeOn-timeN/A
Cebu PacificCheapest$133Average$209FlexibilityNo cancel feeOn-time64%
Vietnam AirlinesCheapest$155Average$263FlexibilityNo cancel feeOn-time81%
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