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Southeast Asia

$66+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$136
(T'way Air)

One-way from

$66
(Trip.com)

Popular in

January

Cheapest in

May

Average price

$209
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 ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This T'way Air deal was found by Cheapflights users on 4/29. 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.
Tue 7/16:00 pmICN - BKK
Nonstop6h 35mT'way Air
Mon 7/1412:05 amBKK - ICN
Nonstop5h 35mT'way Air
Deal found 4/29$136
This Jeju Air deal was found by Cheapflights users on 4/28. 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 5/268:05 pmICN - BKK
Nonstop5h 54mJeju Air
Thu 5/291:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 4/28$137
This AIR PREMIA deal was found by Cheapflights users on 4/28. 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.
Sun 5/184:50 pmICN - BKK
Nonstop6h 20mAIR PREMIA
Tue 5/2710:45 pmBKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 4/28$140
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:05 amICN - BKK
1 stop26h 45mVietnam Airlines
Tue 6/247:05 pmBKK - ICN
1 stop8h 45mVietnam Airlines
Deal found 4/28$144
This Booking.com deal was found by Cheapflights users on 4/28. 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.
Fri 5/2312:55 pmICN - MNL
Nonstop4h 15mMultiple Airlines
Sun 5/2511:20 pmMNL - ICN
Nonstop4h 10mMultiple Airlines
Deal found 4/28$147
This Jeju Air deal was found by Cheapflights users on 4/29. 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.
Sat 5/247:10 pmICN - MNL
Nonstop4h 10mJeju Air
Tue 8/1211:20 pmMNL - ICN
Nonstop4h 10mJeju Air
Deal found 4/29$149
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Sun 6/81:15 amICN - MNL
Nonstop4h 20mCebu Pacific
Sat 6/142:05 amMNL - ICN
Nonstop4h 15mCebu Pacific
Deal found 4/29$152
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/215:15 pmICN - BKK
Nonstop6h 05mAir Busan
Wed 5/2810:20 pmBKK - ICN
Nonstop5h 45mAir Busan
Deal found 4/28$161
This OneTravel deal was found by Cheapflights users on 4/28. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:55 pmICN - MNL
Nonstop4h 15mPhilippines AirAsia
Mon 5/267:15 amMNL - ICN
Nonstop3h 55mPhilippines AirAsia
Deal found 4/28$166
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/228:15 amICN - KUL
Nonstop6h 30mAirAsia X
Mon 5/2611:05 pmKUL - ICN
Nonstop6h 55mAirAsia X
Deal found 4/28$170
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/59:15 pmICN - SGN
Nonstop5h 15mVietJet Air
Tue 5/1312:20 pmSGN - ICN
Nonstop5h 05mVietJet Air
Deal found 4/29$175
This CheapOair deal was found by Cheapflights users on 4/28. 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.
Wed 5/78:30 pmICN - MNL
Nonstop4h 15mPhilippine Airlines
Tue 5/1312:50 amMNL - ICN
Nonstop4h 10mPhilippine Airlines
Deal found 4/28$176

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 April 30, 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

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 7/1

6:00 pm-10:35 pm

Nonstop6h 35m

Bangkok Suvarnabhumi

Mon 7/14

12:05 am-7:40 am

Nonstop5h 35m

$136

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 5/26

8:05 pm-11:59 pm

Nonstop5h 54m

Bangkok Suvarnabhumi

Thu 5/29

1:00 am-8:40 am

Nonstop5h 40m

$137

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 5/18

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 5/27

10:45 pm-6:25 am

Nonstop5h 40m

$140

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 6/12

10:05 am-10:50 am

1 stop26h 45m

Bangkok Suvarnabhumi

Tue 6/24

7:05 pm-5:50 am

1 stop8h 45m

$144

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Fri 5/23

12:55 pm-4:10 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Sun 5/25

11:20 pm-4:30 am

Nonstop4h 10m

$147

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sat 5/24

7:10 pm-10:20 pm

Nonstop4h 10m

Manila Ninoy Aquino Intl

Tue 8/12

11:20 pm-4:30 am

Nonstop4h 10m

$149

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sun 6/8

1:15 am-4:35 am

Nonstop4h 20m

Manila Ninoy Aquino Intl

Sat 6/14

2:05 am-7:20 am

Nonstop4h 15m

$152

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 5/21

5:15 pm-9:20 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 5/28

10:20 pm-6:05 am

Nonstop5h 45m

$161

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Thu 5/22

12:55 pm-4:10 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Mon 5/26

7:15 am-12:10 pm

Nonstop3h 55m

$166

IncheonKuala Lumpur

ICN - KUL

ICNKUL

Incheon Intl

Thu 5/22

8:15 am-1:45 pm

Nonstop6h 30m

Kuala Lumpur Intl

Mon 5/26

11:05 pm-7:00 am

Nonstop6h 55m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April 30, 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 April 30, 2025.

The most flights from SEL to zzYJX are scheduled on a Wednesday (34 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (29 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 April 30, 2025.
Read through reviews of airlines operating flights from Seoul to Southeast Asia, such as EVA Air, Korean Air and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,066 reviews
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Japan Airlines
8.3
Very good
1,459 reviews
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 Scoot ($66), Philippines AirAsia ($67), and Cebu Pacific ($69).

  • 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 - Denpasar Bali Ngurah Rai.

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

    Consider Oman Air (86%), Turkish Airlines (86%) or EL AL (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 $66. While the most popular route (Incheon Intl - Bangkok Suvarnabhumi) can be booked for $151 on average our data indicates $416 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

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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.
Incheon Intl to Suvarnabhumi flights
Cheongju to Jeju City flights
Gimpo Intl to Haneda flights
Daegu to Jeju City flights
Incheon Intl to Haneda flights
Incheon Intl to Jeju City flights
Incheon Intl to Hongqiao Intl flights
Incheon Intl to Pu Dong flights
Gimpo Intl to Suvarnabhumi flights
Incheon Intl to Hong Kong flights
Incheon Intl to Tashkent flights
Incheon Intl to Denpasar flights
Incheon Intl to Taiwan Taoyuan Intl flights
Daegu to Taiwan Taoyuan Intl flights
Jeju City to Gimpo Intl flights
Gimpo Intl to Hong Kong flights
Jeju City to Busan flights
Busan to Cebu City flights
Incheon Intl to Ho Chi Minh City flights
Incheon Intl to Fukuoka flights
Incheon Intl to Phuket City flights
Incheon Intl to Capital flights
Daegu to Da Nang flights
Gimpo Intl to Jeju City flights
Incheon Intl to Narita flights
Incheon Intl to Kuala Lumpur Intl flights
Incheon Intl to Shenzhen flights
Incheon Intl to Kathmandu flights
Incheon Intl to Qingdao flights
Incheon Intl to Manila flights
Incheon Intl to Islamabad flights
Gimpo Intl to Manila flights
Incheon Intl to Dalian flights
Gimpo Intl to Kansai Intl flights
Incheon Intl to Nha Trang 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$56Average$263FlexibilityNo cancel feeOn-time88%
Eastar JetCheapest$69Average$230FlexibilityNo cancel feeOn-time86%
ScootCheapest$84Average$307FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$101Average$297FlexibilityNo cancel feeOn-timeN/A
Hahn Air SystemsCheapest$103Average$350FlexibilityNo cancel feeOn-timeN/A
Air SeoulCheapest$104Average$282FlexibilityNo cancel feeOn-timeN/A
Jin AirCheapest$120Average$286FlexibilityNo cancel feeOn-time78%
AirAsiaCheapest$122Average$241FlexibilityNo cancel feeOn-time66%
Philippines AirAsiaCheapest$125Average$199FlexibilityNo cancel feeOn-time53%
Cebu PacificCheapest$131Average$216FlexibilityNo cancel feeOn-time64%

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