Southeast Asia

$61+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
Aug 5 — Aug 121
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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 July 31, 2025.

Round-trip from

$133
(Kiwi.com)

One-way from

$61
(VietJet Air)

Popular in

January

Cheapest in

June

Average price

$201
From Incheon Intl to Southeast Asia
One-way flight from Incheon Intl to Southeast Asia
Highest demand for flights based on searches. 15% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/271:15 amICN - MNL
Nonstop4h 20mMultiple Airlines
Mon 9/111:20 pmMNL - ICN
Nonstop4h 10mMultiple Airlines
Deal found 7/30$133
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/191:15 amICN - MNL
Nonstop4h 20mCebu Pacific
Sat 9/276:35 pmMNL - ICN
Nonstop4h 10mCebu Pacific
Deal found 7/31$134
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:05 amICN - BKK
1 stop26h 45mVietnam Airlines
Sun 9/2111:55 amBKK - ICN
1 stop26h 40mVietnam Airlines
Deal found 7/29$134
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/2112:55 pmICN - MNL
Nonstop4h 15mPhilippines AirAsia
Sun 8/247:15 amMNL - ICN
Nonstop3h 55mPhilippines AirAsia
Deal found 7/31$138
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Fri 9/126:25 amICN - HAN
Nonstop4h 30mVietJet Air
Thu 9/181:40 amHAN - ICN
Nonstop4h 15mVietJet Air
Deal found 7/28$148
This AIR PREMIA deal was found by Cheapflights users on 7/30. 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.
Thu 8/284:50 pmICN - BKK
Nonstop6h 20mAIR PREMIA
Thu 9/410:45 pmBKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 7/30$149
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:30 pmICN - BKK
Nonstop5h 50mEastar Jet
Thu 9/410:20 pmBKK - ICN
Nonstop5h 40mEastar Jet
Deal found 7/29$153
This Jeju Air deal was found by Cheapflights users on 7/30. 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.
Sat 9/138:05 pmICN - BKK
Nonstop5h 54mJeju Air
Thu 9/181:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 7/30$157
This Jin Air deal was found by Cheapflights users on 7/31. 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 8/57:55 pmICN - BKK
Nonstop5h 50mJin Air
Mon 8/1112:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 7/31$158
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Thu 8/284:45 pmICN - MNL
1 stop7h 30mChina Southern
Thu 9/411:55 amMNL - ICN
1 stop8h 55mChina Southern
Deal found 7/31$159
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Fri 12/126:05 pmICN - BKK
1 stop19h 15mMultiple Airlines
Mon 2/97:20 amBKK - ICN
Nonstop5h 25mMultiple Airlines
Deal found 7/30$162
This Trip.com deal was found by Cheapflights users on 7/31. 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 8/305:15 pmICN - BKK
Nonstop6h 05mAir Busan
Thu 9/410:20 pmBKK - ICN
Nonstop5h 45mAir Busan
Deal found 7/31$166

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 July 31, 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

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Wed 8/27

1:15 am-4:35 am

Nonstop4h 20m

Manila Ninoy Aquino Intl

Mon 9/1

11:20 pm-4:30 am

Nonstop4h 10m

$133

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Fri 9/19

1:15 am-4:35 am

Nonstop4h 20m

Manila Ninoy Aquino Intl

Sat 9/27

6:35 pm-11:45 pm

Nonstop4h 10m

$134

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 9/14

6:05 pm-10:50 am

1 stop18h 45m

Bangkok Suvarnabhumi

Sun 9/21

11:55 am-4:35 pm

1 stop26h 40m

$134

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Thu 8/21

12:55 pm-4:10 pm

Nonstop4h 15m

Manila Ninoy Aquino Intl

Sun 8/24

7:15 am-12:10 pm

Nonstop3h 55m

$138

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Fri 9/12

6:25 am-8:55 am

Nonstop4h 30m

Hanoi Noibai

Thu 9/18

1:40 am-7:55 am

Nonstop4h 15m

$148

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 8/28

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 9/4

10:45 pm-6:25 am

Nonstop5h 40m

$149

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 9/16

5:15 pm-9:20 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 9/23

10:20 pm-6:05 am

Nonstop5h 45m

$156

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 9/13

8:05 pm-11:59 pm

Nonstop5h 54m

Bangkok Suvarnabhumi

Thu 9/18

1:00 am-8:40 am

Nonstop5h 40m

$157

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Thu 8/28

4:45 pm-11:15 pm

1 stop7h 30m

Manila Ninoy Aquino Intl

Thu 9/4

11:55 am-9:50 pm

1 stop8h 55m

$159

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 12/12

6:05 pm-11:20 am

1 stop19h 15m

Bangkok Suvarnabhumi

Mon 2/9

7:20 am-2:45 pm

Nonstop5h 25m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $946). Flying from Incheon Intl Airport to Southeast Asia in December is currently the most expensive (average of $1,563). 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 July 31, 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 July 31, 2025.

The most flights from ICN to zzYJX are scheduled on a Wednesday (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 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 July 31, 2025.
Read reviews from past customers who have flown Korean Air, AIR PREMIA, 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.

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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 $61 on VietJet Air. Other airlines that offer cheap prices include Philippines AirAsia from $68 and Jeju Air from $70 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 (100%), T'way Air (100%) and AIR PREMIA (100%).

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

    Looking at all options, your cheapest flight can be booked for $87. While the most popular route (Incheon Intl - Bangkok Suvarnabhumi) can be booked for $139 on average our data indicates $524 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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $946). Flying from Incheon Intl Airport to Southeast Asia in December is currently the most expensive (average of $1,563). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest$60Average$227FlexibilityNo cancel feeOn-time86%
T'way AirCheapest$64Average$244FlexibilityNo cancel feeOn-time88%
ScootCheapest$79Average$307FlexibilityNo cancel feeOn-timeN/A
Hahn Air SystemsCheapest$103Average$348FlexibilityNo cancel feeOn-timeN/A
Jin AirCheapest$104Average$280FlexibilityNo cancel feeOn-time78%
Air SeoulCheapest$104Average$246FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$108Average$277FlexibilityNo cancel feeOn-timeN/A
AirAsiaCheapest$122Average$242FlexibilityNo cancel feeOn-time66%
Cebu PacificCheapest$130Average$229FlexibilityNo cancel feeOn-time64%
Philippines AirAsiaCheapest$131Average$218FlexibilityNo cancel feeOn-time53%

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