HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Asia

$56+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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 June 12, 2025.

Round-trip from

$118
(Kiwi.com)

One-way from

$56
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$176
From Incheon Intl to Southeast Asia
Search Deals
One-way flight from Incheon Intl to Southeast Asia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/910:45 pmICN - DAD
Nonstop4h 40mVietJet Air
Wed 7/163:30 pmDAD - ICN
Nonstop4h 15mVietJet Air
Deal found 6/9$118
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Tue 9/166:05 pmICN - BKK
1 stop18h 45mVietnam Airlines
Sat 9/207:05 pmBKK - ICN
1 stop19h 30mVietnam Airlines
Deal found 6/12$130
This VietJet Air deal was found by Cheapflights users on 6/10. 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 VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:15 amICN - CXR
Nonstop4h 50mVietJet Air
Sun 9/149:50 pmCXR - ICN
Nonstop4h 40mVietJet Air
Deal found 6/10$140
This Jeju Air deal was found by Cheapflights users on 6/11. 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.
Tue 7/88:05 pmICN - BKK
Nonstop5h 54mJeju Air
Wed 7/161:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 6/11$145
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 6/266:15 amICN - DAD
Nonstop4h 40mMultiple Airlines
Thu 7/311:45 amDAD - ICN
Nonstop4h 40mMultiple Airlines
Deal found 6/11$148
This T'way Air deal was found by Cheapflights users on 6/12. 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 6/157:00 pmICN - CXR
Nonstop5h 30mT'way Air
Thu 7/1711:30 pmCXR - ICN
Nonstop5h 40mT'way Air
Deal found 6/12$160
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/176:45 amICN - SGN
Nonstop5h 10mVietJet Air
Tue 7/222:35 amSGN - ICN
Nonstop5h 05mVietJet Air
Deal found 6/11$164
This Jin Air deal was found by Cheapflights users on 6/10. 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.
Tue 7/88:25 pmICN - DAD
Nonstop4h 40mJin Air
Thu 7/1012:05 amDAD - ICN
Nonstop5h 05mJin Air
Deal found 6/10$165
This T'way Air deal was found by Cheapflights users on 6/9. 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.
Sat 6/146:00 pmICN - BKK
Nonstop6h 35mT'way Air
Thu 6/1912:05 amBKK - ICN
Nonstop5h 35mT'way Air
Deal found 6/9$165
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Tue 8/269:35 pmICN - DAD
Nonstop4h 50mT'way Air
Thu 8/281:25 amDAD - ICN
Nonstop4h 50mT'way Air
Deal found 6/12$168
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 9/65:15 pmICN - BKK
Nonstop6h 05mAir Busan
Fri 9/1210:20 pmBKK - ICN
Nonstop5h 45mAir Busan
Deal found 6/12$173
This Jeju Air deal was found by Cheapflights users on 6/11. 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 7/79:55 pmICN - DAD
Nonstop4h 35mJeju Air
Tue 7/81:30 amDAD - ICN
Nonstop4h 35mJeju Air
Deal found 6/11$174

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 June 12, 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

Wed 7/9

10:45 pm-1:25 am

Nonstop4h 40m

Da Nang

Wed 7/16

3:30 pm-9:45 pm

Nonstop4h 15m

$118

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 9/16

6:05 pm-10:50 am

1 stop18h 45m

Bangkok Suvarnabhumi

Sat 9/20

7:05 pm-4:35 pm

1 stop19h 30m

$130

IncheonNha Trang

ICN - CXR

ICNCXR

Incheon Intl

Mon 9/8

6:15 am-9:05 am

Nonstop4h 50m

Nha Trang Cam Ranh

Sun 9/14

9:50 pm-4:30 am

Nonstop4h 40m

$140

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 7/8

8:05 pm-11:59 pm

Nonstop5h 54m

Bangkok Suvarnabhumi

Wed 7/16

1:00 am-8:40 am

Nonstop5h 40m

$145

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Thu 6/26

6:15 am-8:55 am

Nonstop4h 40m

Da Nang

Thu 7/3

11:45 am-6:25 pm

Nonstop4h 40m

$148

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Tue 7/8

8:25 pm-11:05 pm

Nonstop4h 40m

Da Nang

Thu 7/10

12:05 am-7:10 am

Nonstop5h 05m

$165

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Tue 8/26

9:35 pm-12:25 am

Nonstop4h 50m

Da Nang

Thu 8/28

1:25 am-8:15 am

Nonstop4h 50m

$168

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 7/3

6:00 pm-10:35 pm

Nonstop6h 35m

Bangkok Suvarnabhumi

Mon 7/7

12:05 am-7:40 am

Nonstop5h 35m

$172

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 9/6

5:15 pm-9:20 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 9/12

10:20 pm-6:05 am

Nonstop5h 45m

$173

IncheonDa Nang

ICN - DAD

ICNDAD

Incheon Intl

Mon 7/7

9:55 pm-12:30 am

Nonstop4h 35m

Da Nang

Tue 7/8

1:30 am-8:05 am

Nonstop4h 35m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $953). 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 June 12, 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 June 12, 2025.

The most flights from ICN to zzYJX are scheduled on a Wednesday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 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 June 12, 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.
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
AIR PREMIA
8.2
Very good
57 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 $56 on VietJet Air. Other airlines that offer cheap prices include Air Seoul from $66 and Vietnam Airlines from $77 one-way.

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

    Most travelers choose Incheon Intl - Bangkok Suvarnabhumi, Incheon Intl - Jakarta Soekarno-Hatta Intl 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 T'way Air (100%), Oman Air (94%) and EL AL (92%).

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

    Looking at all options, your cheapest flight can be booked for $65. While the most popular route (Incheon Intl - Bangkok Suvarnabhumi) can be booked for $188 on average our data indicates $443 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 $953). 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.

Alternative routes for Incheon Intl to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Gimpo Intl to Haneda flights
Incheon Intl to Haneda flights
Incheon Intl to Suvarnabhumi flights
Incheon Intl to Hongqiao Intl flights
Gimpo Intl to Suvarnabhumi flights
Incheon Intl to Jeju City flights
Incheon Intl to Pu Dong flights
Incheon Intl to Hong Kong flights
Incheon Intl to Chitose flights
Incheon Intl to Soekarno-Hatta Intl flights
Incheon Intl to Ho Chi Minh City flights
Gimpo Intl to Jeju City flights
Incheon Intl to Narita flights
Incheon Intl to Fukuoka flights
Incheon Intl to Tashkent flights
Incheon Intl to Kuala Lumpur Intl flights
Gimpo Intl to Kansai Intl flights
Gimpo Intl to Hong Kong flights
Gimpo Intl to Manila flights
Incheon Intl to Taiwan Taoyuan Intl flights
Incheon Intl to Nha Trang flights
Gimpo Intl to Taiwan Taoyuan Intl flights
Incheon Intl to Denpasar flights
Incheon Intl to Vientiane flights
Incheon Intl to Phuket City flights
Incheon Intl to Busan flights
Incheon Intl to Kathmandu flights
Incheon Intl to Chiang Mai flights
Incheon Intl to Da Nang flights
Incheon Intl to Capital flights
Incheon Intl to Dalian flights
Incheon Intl to Manila flights
Incheon Intl to Phnom Penh flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest$60Average$235FlexibilityNo cancel feeOn-time86%
T'way AirCheapest$64Average$247FlexibilityNo cancel feeOn-time88%
ScootCheapest$79Average$306FlexibilityNo cancel feeOn-timeN/A
Hahn Air SystemsCheapest$103Average$350FlexibilityNo cancel feeOn-timeN/A
Air SeoulCheapest$104Average$271FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$111Average$289FlexibilityNo cancel feeOn-timeN/A
AirAsiaCheapest$115Average$238FlexibilityNo cancel feeOn-time66%
Cebu PacificCheapest$130Average$229FlexibilityNo cancel feeOn-time64%
Philippines AirAsiaCheapest$130Average$213FlexibilityNo cancel feeOn-time53%
Vietnam AirlinesCheapest$144Average$257FlexibilityNo cancel feeOn-time81%

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.