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Southeast Asia

$81+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Jin Air deal was found by Cheapflights users on 1/28. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:40 pm
ICN
-
CXR
Nonstop5h 05m
Jin Air
Thu 5/2112:55 am
CXR
-
ICN
Nonstop5h 05m
Jin Air
Deal found 1/28$154
This Jin Air deal was found by Cheapflights users on 1/28. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:40 pm
ICN
-
CXR
Nonstop5h 05m
Jin Air
Thu 10/2212:55 am
CXR
-
ICN
Nonstop5h 05m
Jin Air
Deal found 1/28$155
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sat 2/287:50 pm
ICN
-
BKK
Nonstop6h 20m
T'way Air
Fri 3/61:30 am
BKK
-
ICN
Nonstop5h 30m
T'way Air
Deal found 1/29$155
This Booking.com deal was found by Cheapflights users on 1/28. 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.
Sun 11/156:45 am
ICN
-
CXR
Nonstop5h 10m
VietJet Air
Thu 11/196:00 pm
CXR
-
ICN
Nonstop4h 50m
VietJet Air
Deal found 1/28$157
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/105:05 pm
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Sat 2/1410:25 pm
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 1/27$159
This Jin Air deal was found by Cheapflights users on 1/28. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:55 pm
ICN
-
BKK
Nonstop5h 50m
Jin Air
Tue 7/712:45 am
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 1/28$160
This Jin Air deal was found by Cheapflights users on 1/29. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:55 pm
ICN
-
BKK
Nonstop5h 50m
Jin Air
Sat 4/1812:45 am
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 1/29$161
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/257:50 pm
ICN
-
BKK
Nonstop6h 20m
T'way Air
Thu 3/51:30 am
BKK
-
ICN
Nonstop5h 30m
T'way Air
Deal found 1/28$162
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/105:05 pm
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Fri 2/1310:25 pm
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 1/27$163
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 5/1310:05 am
ICN
-
BKK
1 stop13h 00m
Vietnam Airlines
Mon 5/187:05 pm
BKK
-
ICN
1 stop8h 45m
Vietnam Airlines
Deal found 1/27$164
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sat 5/3010:05 am
ICN
-
BKK
1 stop13h 00m
Vietnam Airlines
Thu 6/47:05 pm
BKK
-
ICN
1 stop8h 45m
Vietnam Airlines
Deal found 1/29$165
This Eastar Jet deal was found by Cheapflights users on 1/27. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:05 pm
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Sat 3/2110:25 pm
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 1/27$166

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$154
(Jin Air)

One-way from

$81
(T'way Air)

Popular in

October

Cheapest in

June

Average price

$250
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. 16% potential increase in price ($44 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 January 2026
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 January 29, 2026.
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 5/17

10:05 am-9:05 pm

1 stop13h 00m

Bangkok Suvarnabhumi

Thu 5/21

3:55 pm-5:50 am

1 stop11h 55m

$192

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 6/3

6:05 pm-2:45 pm

1 stop22h 40m

Bangkok Suvarnabhumi

Mon 6/8

10:15 pm-4:35 pm

1 stop16h 20m

$192

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 6/4

6:05 pm-10:50 am

1 stop18h 45m

Bangkok Suvarnabhumi

Tue 6/9

6:05 pm-6:00 am

1 stop9h 55m

$192

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Thu 3/5

6:05 pm-10:20 pm

Nonstop5h 15m

Manila Ninoy Aquino Intl

Mon 3/9

11:20 pm-4:10 am

Nonstop3h 50m

$204

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Fri 4/10

7:05 pm-10:20 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Wed 4/15

11:20 pm-4:30 am

Nonstop4h 10m

$215

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Wed 3/11

1:00 pm-4:15 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Fri 3/20

7:00 am-11:55 am

Nonstop3h 55m

$222

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Mon 6/1

7:35 am-10:35 am

Nonstop4h 00m

Manila Ninoy Aquino Intl

Thu 6/4

11:45 pm-5:00 am

Nonstop4h 15m

$234

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sun 3/1

1:00 pm-4:15 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Wed 3/4

7:00 am-11:55 am

Nonstop3h 55m

$239

IncheonKuala Lumpur

ICN - KUL

ICNKUL

Incheon Intl

Fri 5/22

10:35 am-6:25 pm

1 stop8h 50m

Kuala Lumpur Intl

Mon 5/25

8:00 pm-4:35 pm

1 stop19h 35m

$240

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sun 3/1

7:35 am-10:35 am

Nonstop4h 00m

Manila Ninoy Aquino Intl

Wed 3/4

11:50 pm-5:00 am

Nonstop4h 10m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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, 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 $169). 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 January 29, 2026.

It’s optimal to fly from Seoul to Southeast Asia in the morning. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at noon.

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 January 24, 2026.

Travelers seeking maximum savings on their Seoul to Southeast Asia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday at noon 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 January 29, 2026.

The most flights from SEL to zzYJX are scheduled on a Tuesday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (34 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 January 29, 2026.
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

Crew

9.1

Boarding

8.9

Food

7.7

Comfort

8.0

Overall

8.6

Entertainment

7.5
Jin Air
8.6
Very good
22 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Boarding

8.9

Food

7.7

Comfort

8.0

Overall

8.6

Entertainment

7.5
Korean Air
8.4
Very good
1,188 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Boarding

8.9

Food

7.7

Comfort

8.0

Overall

8.6

Entertainment

7.5
Asiana Airlines
8.1
Very good
501 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Boarding

8.9

Food

7.7

Comfort

8.0

Overall

8.6

Entertainment

7.5
Jeju Air
7.6
Good
36 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Boarding

8.9

Food

7.7

Comfort

8.0

Overall

8.6

Entertainment

7.5
VietJet Air
5.5
Fair
159 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Boarding

8.9

Food

7.7

Comfort

8.0

Overall

8.6

Entertainment

7.5

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 Jin Air, T'way Air, and Eastar Jet fly from Seoul to Southeast Asia in about 5h 05m. The time it takes to get you to your destination is usually consistent. The distance from Seoul to Southeast Asia is about 2055 mi. All flights are typically nonstop.

  • 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 ($44), Jeju Air ($53), and VietJet Air ($55).

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

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

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

    Consider Air Busan (93%), AIR PREMIA (86%) or Kuwait Airways (86%) 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 $101. While the most popular route (Seoul Gimpo Intl - Bangkok Suvarnabhumi) can be booked for $359 on average, our data indicates $726 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 $169). 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.
Cheongju to Jeju City flights
Gimpo Intl to Haneda flights
Incheon Intl to Haneda flights
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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 Jeju City flights
Incheon Intl to Suvarnabhumi flights
Incheon Intl to Capital flights
Incheon Intl to Narita flights
Incheon Intl to Kathmandu flights
Gimpo Intl to Hong Kong flights
Jeju City to Busan flights
Busan to Cebu City flights
Incheon Intl to Qingdao flights
Incheon Intl to Kansai Intl flights
Incheon Intl to Manila flights
Incheon Intl to Nha Trang flights
Gimpo Intl to Manila flights
Incheon Intl to Kuala Lumpur Intl flights
Busan to Suvarnabhumi flights
Incheon Intl to Singapore flights
Incheon Intl to Dalian flights
Gimpo Intl to Hongqiao Intl flights
Incheon Intl to Colombo flights
Gimpo Intl to Kansai Intl flights
Gimpo Intl to Jeju City flights
Incheon Intl to Hanoi flights
Busan to Jeju City flights
Incheon Intl to Soekarno-Hatta Intl 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest$60Average$254FlexibilityNo cancel feeOn-time86%
Air SeoulCheapest$62Average$163FlexibilityNo cancel feeOn-timeN/A
ScootCheapest$79Average$307FlexibilityNo cancel feeOn-timeN/A
Philippine AirlinesCheapest$86Average$226FlexibilityNo cancel feeOn-time60%
AIR PREMIACheapest$92Average$272FlexibilityNo cancel feeOn-timeN/A
Thai AirAsia XCheapest$93Average$209FlexibilityNo cancel feeOn-timeN/A
Thai Vietjet AirCheapest$106Average$250FlexibilityNo cancel feeOn-timeN/A
Philippines AirAsiaCheapest$129Average$203FlexibilityNo cancel feeOn-time53%
Vietnam AirlinesCheapest$138Average$253FlexibilityNo cancel feeOn-time81%
Air BusanCheapest$149Average$217FlexibilityNo cancel feeOn-time94%

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