Southeast Asia

$83+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
May 25 — Jun 11
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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 April 25, 2026.

This Booking.com deal was found by Cheapflights users on 4/23. 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 5/198:55 pm
ICN
-
DAD
Nonstop4h 45m
Multiple Airlines
Thu 5/2112:25 am
DAD
-
ICN
Nonstop4h 30m
Multiple Airlines
Deal found 4/23$180
This Eastar Jet deal was found by Cheapflights users on 4/21. 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 4/259:15 pm
ICN
-
DAD
Nonstop4h 55m
Eastar Jet
Sun 4/2612:25 am
DAD
-
ICN
Nonstop4h 30m
Eastar Jet
Deal found 4/21$182
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:50 pm
ICN
-
CXR
Nonstop5h 05m
Air Seoul
Fri 5/112:05 am
CXR
-
ICN
Nonstop5h 05m
Air Seoul
Deal found 4/23$184
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/178:55 pm
ICN
-
DAD
Nonstop4h 45m
Air Seoul
Wed 5/2012:40 am
DAD
-
ICN
Nonstop4h 35m
Air Seoul
Deal found 4/21$190
This AirAsia deal was found by Cheapflights users on 4/22. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:15 am
ICN
-
CGK
1 stop12h 05m
Multiple Airlines
Thu 8/276:55 pm
CGK
-
ICN
1 stop10h 05m
Multiple Airlines
Deal found 4/22$190
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/178:55 pm
ICN
-
DAD
Nonstop4h 45m
Multiple Airlines
Thu 5/2112:25 am
DAD
-
ICN
Nonstop4h 30m
Multiple Airlines
Deal found 4/21$194
This OneTravel deal was found by Cheapflights users on 4/24. 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.
Wed 6/102:15 am
ICN
-
MNL
Nonstop4h 25m
Cebu Pacific
Wed 6/177:35 pm
MNL
-
ICN
Nonstop4h 10m
Cebu Pacific
Deal found 4/24$194
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:55 pm
ICN
-
DAD
Nonstop4h 45m
Multiple Airlines
Thu 5/71:30 am
DAD
-
ICN
Nonstop4h 45m
Multiple Airlines
Deal found 4/24$195
This Eastar Jet deal was found by Cheapflights users on 4/21. 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.
Tue 4/218:35 pm
ICN
-
DAD
Nonstop4h 50m
Eastar Jet
Wed 4/2912:55 am
DAD
-
ICN
Nonstop4h 30m
Eastar Jet
Deal found 4/21$197
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:50 pm
ICN
-
CXR
Nonstop5h 05m
Air Seoul
Fri 5/112:05 am
CXR
-
ICN
Nonstop5h 05m
Air Seoul
Deal found 4/21$197
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/208:55 pm
ICN
-
DAD
Nonstop4h 45m
Multiple Airlines
Thu 5/2112:25 am
DAD
-
ICN
Nonstop4h 30m
Multiple Airlines
Deal found 4/21$198
This CheapOair deal was found by Cheapflights users on 4/24. 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 6/102:15 am
ICN
-
MNL
Nonstop4h 25m
Cebu Pacific
Mon 6/157:35 pm
MNL
-
ICN
Nonstop4h 10m
Cebu Pacific
Deal found 4/24$198

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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Booking.com)

One-way from

$83
(Booking.com)

Popular in

October

Cheapest in

September

Average price

$297
Provider with most accurate pricing for Seoul (SEL)-Manila Ninoy Aquino Intl flight deals.
Provider most trusted by Cheapflights users for Seoul (SEL)-Manila Ninoy Aquino Intl flights.
From Incheon Intl to Southeast Asia
One-way flight from Incheon Intl to Southeast Asia
Highest demand for flights based on searches. 11% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 25, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Wed 7/1

7:05 pm-10:20 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Sat 7/4

11:20 pm-4:30 am

Nonstop4h 10m

$231

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Sat 6/6

7:55 am-10:45 am

Nonstop4h 50m

Da Nang

Wed 6/10

11:45 am-6:25 pm

Nonstop4h 40m

$232

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Wed 7/1

7:05 pm-10:20 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Tue 7/7

11:20 pm-4:30 am

Nonstop4h 10m

$245

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Sun 6/28

8:40 pm-11:45 pm

Nonstop5h 05m

Hanoi Noibai

Wed 7/1

12:45 am-7:35 am

Nonstop4h 50m

$246

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Mon 8/24

8:40 pm-11:45 pm

Nonstop5h 05m

Hanoi Noibai

Sat 8/29

12:45 am-7:35 am

Nonstop4h 50m

$251

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sun 6/28

7:05 pm-10:20 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Wed 7/1

11:20 pm-4:30 am

Nonstop4h 10m

$253
Quickest round-trip

IncheonAngeles City

ICN - CRK

ICNCRK

Incheon Intl

Tue 5/5

9:25 pm-12:25 am

Nonstop4h 00m

Angeles City Clark Intl

Wed 5/27

1:35 am-6:30 am

Nonstop3h 55m

$265

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Tue 5/12

8:40 pm-11:45 pm

Nonstop5h 05m

Nha Trang Cam Ranh

Fri 5/15

12:55 am-8:00 am

Nonstop5h 05m

$270

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 6/24

11:40 pm-1:25 am

1 stop27h 45m

Bangkok Suvarnabhumi

Sat 6/27

2:50 am-2:30 pm

1 stop9h 40m

$274

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Sun 5/10

7:00 pm-10:30 pm

Nonstop5h 30m

Nha Trang Cam Ranh

Wed 5/13

11:30 pm-6:45 am

Nonstop5h 15m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

How far ahead should I book a flight from Incheon Intl Airport to Southeast Asia?

The price you pay for your flight from Incheon Intl Airport to Southeast Asia may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $182). Flying from Incheon Intl Airport to Southeast Asia in October is currently the most expensive (average of $338). 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 April 25, 2026.

It’s typically best to fly out from Incheon Intl Airport to Southeast Asia in the morning. Doing so could potentially save you 24% 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 April 18, 2026.

Travelers seeking maximum savings on their Incheon Intl Airport to Southeast Asia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at noon 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 April 25, 2026.

The most flights from ICN to zzYJX are scheduled on a Monday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (32 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 April 25, 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andJeju Air 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.

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 $232, Air Seoul can have you in Southeast Asia from Incheon Intl Airport in 4h 50m. 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 $49 on Jin Air. Other airlines that offer cheap prices include Air Seoul from $50 and Eastar Jet from $53 one-way.

  • What are the most popular routes 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 Eastar Jet (95%), Air Busan (95%) and Kuwait Airways (95%).

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

    Looking at all options, your cheapest flight can be booked for $73. While the most popular route (Incheon Intl - Bangkok Suvarnabhumi) can be booked for $299 on average, our data indicates $633 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, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $182). Flying from Incheon Intl Airport to Southeast Asia in October is currently the most expensive (average of $338). 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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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 April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air SeoulCheapest$55Average$178FlexibilityNo cancel feeOn-timeN/A
Eastar JetCheapest$62Average$213FlexibilityNo cancel feeOn-time86%
Parata AirCheapest$73Average$204FlexibilityNo cancel feeOn-timeN/A
ScootCheapest$79Average$335FlexibilityNo cancel feeOn-timeN/A
Thai AirAsia XCheapest$91Average$209FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$96Average$296FlexibilityNo cancel feeOn-timeN/A
Thai Lion AirCheapest$98Average$312FlexibilityNo cancel feeOn-timeN/A
Thai Vietjet AirCheapest$116Average$255FlexibilityNo cancel feeOn-timeN/A
Philippines AirAsiaCheapest$128Average$207FlexibilityNo cancel feeOn-time53%
Air BusanCheapest$134Average$223FlexibilityNo cancel feeOn-time94%

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