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Southeast Asia

$87+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/2912:15 pmICN - BKK
1 stop15h 05mChina Eastern
Mon 1/59:25 amBKK - ICN
1 stop9h 20mChina Eastern
Deal found 12/15$213
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/2912:15 pmICN - BKK
1 stop15h 05mChina Eastern
Wed 1/75:05 amBKK - ICN
1 stop10h 20mChina Eastern
Deal found 12/15$215
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/1812:10 pmICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 12/312:25 amBKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 12/17$231
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Wed 12/313:40 pmICN - BKK
1 stop10h 25mChina Eastern
Sun 1/42:20 amBKK - ICN
1 stop15h 30mChina Eastern
Deal found 12/15$236
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:15 pmICN - BKK
1 stop15h 05mChina Eastern
Tue 1/62:20 amBKK - ICN
1 stop15h 30mChina Eastern
Deal found 12/15$239
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Fri 12/1912:10 pmICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 12/312:25 amBKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 12/17$240
This Expedia deal was found by Cheapflights users on 12/15. 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.
Sun 12/212:00 pmICN - SGN
2 stops13h 10mChina Eastern
Mon 12/296:20 amSGN - ICN
1 stop11h 30mChina Eastern
Deal found 12/15$243
This WAYA deal was found by Cheapflights users on 12/16. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:20 amICN - SGN
1 stop9h 50mVietJet Air
Sun 12/282:40 amSGN - ICN
Nonstop5h 10mVietJet Air
Deal found 12/16$244
This SmartFares deal was found by Cheapflights users on 12/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:10 pmICN - BKK
Nonstop6h 10mThai Vietjet Air
Thu 1/82:25 amBKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 12/17$246
This Jeju Air deal was found by Cheapflights users on 12/14. 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 12/157:30 pmICN - BKK
Nonstop6h 15mJeju Air
Thu 12/181:00 amBKK - ICN
Nonstop5h 25mJeju Air
Deal found 12/14$248
This Jetabroad deal was found by Cheapflights users on 12/15. 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 12/182:00 pmICN - BKK
2 stops13h 55mChina Eastern
Fri 12/192:20 amBKK - ICN
1 stop15h 30mChina Eastern
Deal found 12/15$249
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:00 pmICN - HAN
2 stops13h 45mChina Eastern
Sat 12/273:45 pmHAN - ICN
1 stop29h 00mChina Eastern
Deal found 12/16$250

Find 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 December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$162
(Kiwi.com)

One-way from

$87
(Thai Vietjet Air)

Popular in

October

Cheapest in

June

Average price

$248
Provider with most accurate pricing for Seoul (SEL)-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Manila Ninoy Aquino Intl flights.
Search Deals
From Seoul (SEL) to Southeast Asia
Search Deals
One-way flight from Seoul (SEL) to Southeast Asia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Sun 4/26

6:00 pm-10:05 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 5/5

12:05 am-7:40 am

Nonstop5h 35m

$167

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Wed 3/4

1:00 pm-4:15 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Wed 3/18

7:00 am-11:55 am

Nonstop3h 55m

$182

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/29

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Wed 6/3

7:05 pm-5:50 am

1 stop8h 45m

$190

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Fri 2/20

1:00 pm-4:15 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Thu 2/26

7:00 am-11:55 am

Nonstop3h 55m

$192

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Wed 2/18

1:00 pm-4:15 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Fri 2/27

7:00 am-11:55 am

Nonstop3h 55m

$194

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Thu 3/26

6:05 pm-10:20 pm

Nonstop5h 15m

Manila Ninoy Aquino Intl

Tue 3/31

11:20 pm-4:30 am

Nonstop4h 10m

$203

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Tue 3/24

6:05 pm-10:20 pm

Nonstop5h 15m

Manila Ninoy Aquino Intl

Tue 3/31

11:20 pm-4:30 am

Nonstop4h 10m

$203

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sat 2/28

1:00 pm-4:15 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Tue 3/3

7:00 am-11:55 am

Nonstop3h 55m

$207

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Thu 4/16

7:35 am-10:35 am

Nonstop4h 00m

Manila Ninoy Aquino Intl

Sun 4/19

12:05 pm-4:40 pm

Nonstop3h 35m

$208

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Fri 3/27

6:05 pm-10:20 pm

Nonstop5h 15m

Manila Ninoy Aquino Intl

Wed 4/1

11:20 pm-4:30 am

Nonstop4h 10m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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, November is the cheapest month in which you can book a flight from Seoul to Southeast Asia (average of $96). Flying from Seoul to Southeast Asia in January is currently the most expensive (average of $175). 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 December 18, 2025.

It’s optimal to fly from Seoul to Southeast Asia in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seoul to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Seoul to Southeast Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seoul to Southeast Asia flight should consider departing on Monday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.

The most flights from SEL to zzYJX are scheduled on a Wednesday (46 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (44 on average).

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 December 18, 2025.
Get a feel of what it's like to fly with Jin Air, Korean Air, and Asiana Airlines from Seoul to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jin Air
8.6
Very good
22 reviews

Entertainment

7.5

Food

7.7

Crew

9.1

Boarding

8.9

Overall

8.6

Comfort

8.0
Jin Air
8.6
Very good
22 reviews
Jin Air
8.6
Very good
22 reviews

Entertainment

7.5

Food

7.7

Crew

9.1

Boarding

8.9

Overall

8.6

Comfort

8.0
Korean Air
8.4
Very good
1,186 reviews
Jin Air
8.6
Very good
22 reviews

Entertainment

7.5

Food

7.7

Crew

9.1

Boarding

8.9

Overall

8.6

Comfort

8.0
Asiana Airlines
8.2
Very good
493 reviews
Jin Air
8.6
Very good
22 reviews

Entertainment

7.5

Food

7.7

Crew

9.1

Boarding

8.9

Overall

8.6

Comfort

8.0
Jeju Air
7.6
Good
36 reviews
Jin Air
8.6
Very good
22 reviews

Entertainment

7.5

Food

7.7

Crew

9.1

Boarding

8.9

Overall

8.6

Comfort

8.0
VietJet Air
5.6
Fair
153 reviews
Jin Air
8.6
Very good
22 reviews

Entertainment

7.5

Food

7.7

Crew

9.1

Boarding

8.9

Overall

8.6

Comfort

8.0

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.

  • How long is the flight from Seoul to Southeast Asia?

    Airlines like T'way Air, Philippines AirAsia, and Vietnam Airlines fly from Seoul to Southeast Asia in about 4h 15m. The time it takes to get you to your destination can typically vary by up to 3h 45m. The distance from Seoul to Southeast Asia is about 1619 mi. This flight may include one or multiple stops.

  • 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 Air Seoul ($50), Jeju Air ($53), and Jin Air ($56).

  • 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 Seoul Gimpo Intl - Manila Ninoy Aquino Intl.

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

    Consider Kuwait Airways (92%), Air Busan (91%) or AIR PREMIA (91%) 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 $97. While the most popular route (Incheon Intl - Bangkok Suvarnabhumi) can be booked for $199 on average, our data indicates $713 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, November is the cheapest month in which you can book a flight from Seoul to Southeast Asia (average of $96). Flying from Seoul to Southeast Asia in January is currently the most expensive (average of $175). 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.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest$60Average$261FlexibilityNo cancel feeOn-time86%
ScootCheapest$79Average$335FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$101Average$281FlexibilityNo cancel feeOn-timeN/A
Thai AirAsia XCheapest$110Average$220FlexibilityNo cancel feeOn-timeN/A
Thai Vietjet AirCheapest$124Average$239FlexibilityNo cancel feeOn-timeN/A
Philippines AirAsiaCheapest$129Average$206FlexibilityNo cancel feeOn-time53%
Air SeoulCheapest$129Average$178FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$138Average$260FlexibilityNo cancel feeOn-time81%
AirAsiaCheapest$151Average$263FlexibilityNo cancel feeOn-time66%
Batik AirCheapest$159Average$381FlexibilityNo cancel feeOn-timeN/A

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