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$70+ Cheap flights from Incheon Intl (ICN) 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Incheon Intl to Southeast Asia

Cheapest flights from Incheon Intl to Southeast Asia
Explore the most affordable flight options available from Incheon Intl to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Eastar Jet 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:55 pmICN - DAD
Nonstop5h 25mEastar Jet
Wed 2/118:40 pmDAD - ICN
Nonstop5h 00mEastar Jet
Deal found 12/17$170
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.
Sat 12/2710:40 pmICN - DAD
Nonstop5h 05mVietJet Air
Thu 1/111:40 pmDAD - ICN
Nonstop4h 20mVietJet Air
Deal found 12/17$176
This Jin Air 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:15 pmICN - CXR
Nonstop5h 45mJin Air
Tue 12/3012:20 amCXR - ICN
Nonstop5h 15mJin Air
Deal found 12/16$187
This Jin Air 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:10 pmICN - DAD
Nonstop5h 00mJin Air
Thu 1/11:30 pmDAD - ICN
Nonstop4h 35mJin Air
Deal found 12/17$190
This T'way Air 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 pmICN - DAD
Nonstop5h 20mT'way Air
Tue 1/61:30 amDAD - ICN
Nonstop4h 45mT'way Air
Deal found 12/17$192
This Jeju Air 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:15 pmICN - CXR
Nonstop5h 44mJeju Air
Thu 12/251:00 amCXR - ICN
Nonstop4h 55mJeju Air
Deal found 12/15$194
This Eastar Jet 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:15 pmICN - CXR
Nonstop5h 55mEastar Jet
Sun 12/211:55 amCXR - ICN
Nonstop4h 55mEastar Jet
Deal found 12/16$195
This T'way Air 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:20 pmICN - DAD
Nonstop5h 15mT'way Air
Wed 12/311:30 amDAD - ICN
Nonstop4h 45mT'way Air
Deal found 12/16$198
This Jeju Air 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:20 pmICN - DAD
Nonstop5h 10mJeju Air
Mon 12/291:30 amDAD - ICN
Nonstop4h 25mJeju Air
Deal found 12/17$200
This Jeju Air 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:15 pmICN - CXR
Nonstop5h 44mJeju Air
Thu 12/182:10 amCXR - ICN
Nonstop4h 55mJeju Air
Deal found 12/15$200
This Jin Air 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:10 pmICN - DAD
Nonstop5h 00mJin Air
Fri 1/21:30 pmDAD - ICN
Nonstop4h 35mJin Air
Deal found 12/17$204
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.
Fri 12/2610:40 pmICN - DAD
Nonstop5h 05mVietJet Air
Tue 12/3010:45 pmDAD - ICN
Nonstop4h 20mVietJet Air
Deal found 12/15$205

Find flight deals from Incheon Intl to Southeast Asia

Keep the following information in mind while searching for Incheon Intl 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

$145
(Eastar Jet)

One-way from

$70
(Eastar Jet)

Popular in

October

Cheapest in

June

Average price

$248
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 Incheon Intl to Southeast Asia
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One-way flight from Incheon Intl 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
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl 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 Incheon Intl Airport to Southeast Asia that are best for you.

Fly from

Incheon Intl

Fly to

Southeast Asia

Route

Depart

Return

Price

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Sat 6/13

8:25 pm-11:05 pm

Nonstop4h 40m

Da Nang

Sun 6/14

12:05 am-7:10 am

Nonstop5h 05m

$153

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Sun 5/10

9:25 pm-12:35 am

Nonstop5h 10m

Nha Trang Cam Ranh

Tue 5/12

1:35 am-8:45 am

Nonstop5h 10m

$154

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Mon 3/9

8:50 pm-12:55 am

Nonstop6h 05m

Nha Trang Cam Ranh

Sun 3/15

1:55 am-8:50 am

Nonstop4h 55m

$157

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

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Sun 4/5

9:30 pm-12:30 am

Nonstop5h 00m

Da Nang

Thu 4/9

1:30 am-8:15 am

Nonstop4h 45m

$167

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Wed 5/13

8:40 pm-11:45 pm

Nonstop5h 05m

Nha Trang Cam Ranh

Fri 5/15

12:55 am-8:00 am

Nonstop5h 05m

$167

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Sun 5/10

8:40 pm-11:45 pm

Nonstop5h 05m

Nha Trang Cam Ranh

Tue 5/12

12:55 am-8:00 am

Nonstop5h 05m

$167

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Sun 6/14

8:40 pm-11:45 pm

Nonstop5h 05m

Nha Trang Cam Ranh

Fri 6/19

12:55 am-8:00 am

Nonstop5h 05m

$167

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Wed 6/10

8:25 pm-11:05 pm

Nonstop4h 40m

Da Nang

Sat 6/13

12:05 am-7:10 am

Nonstop5h 05m

$173

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Sat 4/4

9:30 pm-12:30 am

Nonstop5h 00m

Da Nang

Thu 4/9

1:30 am-8:15 am

Nonstop4h 45m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Incheon Intl to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Incheon Intl 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 Incheon Intl Airport to Southeast Asia

What is the cheapest month to book a flight from Incheon Intl Airport to Southeast Asia?

Currently, November is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $96). Flying from Incheon Intl Airport 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 ICN to YJX?

Find hourly flight availability from Incheon Intl 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 typically best to fly out from Incheon Intl Airport to Southeast Asia in the morning. Doing so could potentially save you 11% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Incheon Intl Airport to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Southeast Asia. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Incheon Intl Airport 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 Incheon Intl Airport to Southeast Asia

Explore weekly flight availability from Incheon Intl 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 ICN 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.
Read reviews from past customers who have flown Jin Air, Korean Air, and Asiana Airlines from Incheon Intl Airport to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jin Air
8.6
Very good
22 reviews

Food

7.7

Entertainment

7.5

Comfort

8.0

Crew

9.1

Overall

8.6

Boarding

8.9
Jin Air
8.6
Very good
22 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Entertainment

7.5

Comfort

8.0

Crew

9.1

Overall

8.6

Boarding

8.9
Korean Air
8.4
Very good
1,186 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Entertainment

7.5

Comfort

8.0

Crew

9.1

Overall

8.6

Boarding

8.9
Asiana Airlines
8.2
Very good
493 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Entertainment

7.5

Comfort

8.0

Crew

9.1

Overall

8.6

Boarding

8.9
Jeju Air
7.6
Good
36 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Entertainment

7.5

Comfort

8.0

Crew

9.1

Overall

8.6

Boarding

8.9
VietJet Air
5.6
Fair
153 reviews
Jin Air
8.6
Very good
22 reviews

Food

7.7

Entertainment

7.5

Comfort

8.0

Crew

9.1

Overall

8.6

Boarding

8.9

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl 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 Incheon Intl Airport to Southeast Asia?

    For as low as $153, Jin Air can have you in Southeast Asia from Incheon Intl Airport in 4h 40m. Incheon Intl Airport and Southeast Asia are separated by a distance of 1850 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Southeast Asia one-way?

    One-way options have recently been found by users for as low as $50 on Air Seoul. Other airlines that offer cheap prices include Jeju Air from $53 and Jin Air from $56 one-way.

  • What are the most popular routes from Incheon Intl Airport to Southeast Asia?

    Most travelers choose Incheon Intl - Bangkok Suvarnabhumi, Incheon Intl - Singapore Changi or Incheon Intl - Ho Chi Minh City when deciding on the best route from Incheon Intl Airport to Southeast Asia.

  • What are the most reliable airlines from Incheon Intl Airport to Southeast Asia?

    The top 3 most reliable airlines when flying from Incheon Intl Airport to Southeast Asia are Kuwait Airways (92%), Air Busan (91%) and AIR PREMIA (91%).

  • What are the cheapest flights from Incheon Intl Airport 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 Incheon Intl Airport to Southeast Asia.

  • Can I find deals for flights from Incheon Intl to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Southeast Asia.

  • Can I find deals for business class flights from Incheon Intl to Southeast Asia?

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Southeast Asia?

    Currently, November is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $96). Flying from Incheon Intl Airport 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.

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Alternative routes for Incheon Intl 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 Incheon Intl to Southeast Asia

Discover the top 10 airlines that operate flights from Incheon Intl 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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