Southeast Asia

$64+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
may. 4 — may. 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Incheon Intl to Southeast Asia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 abril 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$136
(T'way Air)

One-way from

$64
(T'way Air)

Popular in

January

Cheapest in

May

Average price

$209
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. 14% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find 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 abril 29, 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.
mar. 7/16:00 pmICN - BKK
Nonstop6h 35mT'way Air
lun. 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.
lun. 5/268:05 pmICN - BKK
Nonstop5h 54mJeju Air
jue. 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.
dom. 5/184:50 pmICN - BKK
Nonstop6h 20mAIR PREMIA
mar. 5/2710:45 pmBKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 4/28$140
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.
mar. 5/137:00 pmICN - CXR
Nonstop5h 30mMultiple Airlines
vie. 5/1610:55 pmCXR - ICN
Nonstop4h 40mMultiple Airlines
Deal found 4/28$141
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.
sáb. 5/171:45 amICN - PQC
Nonstop5h 25mVietJet Air
vie. 5/235:55 pmPQC - ICN
Nonstop5h 15mVietJet Air
Deal found 4/29$142
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.
dom. 6/151:50 amICN - CXR
Nonstop4h 50mVietJet Air
jue. 6/196:10 pmCXR - ICN
Nonstop4h 40mVietJet Air
Deal found 4/28$143
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.
mié. 5/75:20 pmICN - PQC
Nonstop6h 00mJeju Air
dom. 6/110:20 pmPQC - ICN
Nonstop5h 25mJeju Air
Deal found 4/28$143
This Jeju Air deal was found by Cheapflights users on 4/27. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/99:35 pmICN - CRK
Nonstop4h 05mJeju Air
jue. 6/121:40 amCRK - ICN
Nonstop3h 50mJeju Air
Deal found 4/27$144
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.
jue. 6/1210:05 amICN - BKK
1 stop26h 45mVietnam Airlines
mar. 6/247:05 pmBKK - ICN
1 stop8h 45mVietnam Airlines
Deal found 4/28$144
This T'way Air deal was found by Cheapflights users on 4/27. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/207:00 pmICN - CXR
Nonstop5h 30mT'way Air
dom. 5/2511:30 pmCXR - ICN
Nonstop5h 40mT'way Air
Deal found 4/27$147
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.
vie. 5/2312:55 pmICN - MNL
Nonstop4h 15mMultiple Airlines
dom. 5/2511:20 pmMNL - ICN
Nonstop4h 10mMultiple Airlines
Deal found 4/28$147
This Jin 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/79:25 pmICN - CRK
Nonstop4h 00mJin Air
sáb. 5/101:40 amCRK - ICN
Nonstop3h 50mJin Air
Deal found 4/29$148

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 abril 29, 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

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

mar. 7/1

6:00 pm-10:35 pm

Nonstop6h 35m

Bangkok Suvarnabhumi

lun. 7/14

12:05 am-7:40 am

Nonstop5h 35m

$136

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

lun. 5/26

8:05 pm-11:59 pm

Nonstop5h 54m

Bangkok Suvarnabhumi

jue. 5/29

1:00 am-8:40 am

Nonstop5h 40m

$137

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

dom. 5/18

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

mar. 5/27

10:45 pm-6:25 am

Nonstop5h 40m

$140

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

mar. 5/13

7:00 pm-10:30 pm

Nonstop5h 30m

Nha Trang Cam Ranh

vie. 5/16

10:55 pm-5:35 am

Nonstop4h 40m

$141

IncheonPhu Quoc

ICN - PQC

ICNPQC

Incheon Intl

sáb. 5/17

1:45 am-5:10 am

Nonstop5h 25m

Phu Quoc Duong Dang

vie. 5/23

5:55 pm-1:10 am

Nonstop5h 15m

$142

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

dom. 6/15

1:50 am-4:40 am

Nonstop4h 50m

Nha Trang Cam Ranh

jue. 6/19

6:10 pm-12:50 am

Nonstop4h 40m

$143

IncheonPhu Quoc

ICN - PQC

ICNPQC

Incheon Intl

mié. 5/14

5:20 pm-9:20 pm

Nonstop6h 00m

Phu Quoc Duong Dang

dom. 6/1

10:20 pm-5:45 am

Nonstop5h 25m

$143

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

jue. 6/12

10:05 am-10:50 am

1 stop26h 45m

Bangkok Suvarnabhumi

mar. 6/24

7:05 pm-5:50 am

1 stop8h 45m

$144

IncheonAngeles City

ICN - CRK

ICNCRK

Incheon Intl

lun. 5/19

9:25 pm-12:25 am

Nonstop4h 00m

Angeles City Clark Intl

mar. 5/27

1:40 am-6:30 am

Nonstop3h 50m

$149

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

mié. 5/28

9:30 pm-1:05 am

Nonstop5h 35m

Nha Trang Cam Ranh

sáb. 5/31

2:05 am-9:15 am

Nonstop5h 10m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 results
1
2
3
...
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

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

Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $958). Flying from Incheon Intl Airport 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 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 abril 29, 2025.

When flying from Incheon Intl Airport 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 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 abril 29, 2025.

The most flights from ICN to zzYJX are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 abril 29, 2025.
To help decide which airline to fly from Seoul to Southeast Asia, see what other customers have to say about EVA Air, Korean Air and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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 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.
  • 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 $64 on T'way Air. Other airlines that offer cheap prices include Scoot from $66 and Jeju Air from $67 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 Oman Air (86%), Turkish Airlines (86%) and EL AL (75%).

  • What are the cheapest flights from Incheon Intl Airport 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 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, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $958). Flying from Incheon Intl Airport 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 abril 29, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.