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Cheap flights from Incheon Intl Airport to Southeast Asia from $117

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Incheon Intl to Southeast Asia

Enter your travel dates to find the best prices.

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 3 December 2025.

Wed 3/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 10/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 1/12$314
Fri 5/1208:45ICN - BKK
1 stop19h 10mShandong Airlines
Tue 9/1202:25BKK - ICN
1 stop13h 45mShandong Airlines
Deal found 30/11$331
Thu 4/1212:20ICN - BKK
1 stop15h 05mShandong Airlines
Tue 9/1202:25BKK - ICN
1 stop10h 00mShandong Airlines
Deal found 1/12$333
Mon 8/1211:55ICN - BKK
1 stop11h 05mVietnam Airlines
Mon 12/122:10BKK - ICN
1 stop16h 20mVietnam Airlines
Deal found 30/11$351
Tue 2/1212:40ICN - BKK
1 stop10h 20mVietnam Airlines
Wed 10/1218:00BKK - ICN
1 stop9h 45mVietnam Airlines
Deal found 30/11$360
Fri 5/1217:10ICN - BKK
Nonstop6h 00mJin Air
Wed 7/122:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 1/12$369
Tue 2/1212:40ICN - BKK
1 stop24h 40mVietnam Airlines
Wed 31/1221:15BKK - ICN
1 stop17h 10mVietnam Airlines
Deal found 30/11$371
Thu 4/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 17/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 1/12$377
Fri 5/1219:30ICN - BKK
Nonstop6h 15mJeju Air
Mon 8/1201:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 2/12$380
Wed 3/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 15/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 1/12$381
Fri 5/1219:30ICN - BKK
Nonstop6h 15mJeju Air
Thu 11/1201:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 2/12$386
Mon 8/1219:30ICN - BKK
Nonstop6h 15mJeju Air
Wed 10/1201:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 2/12$389

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 3 December 2025.

Round-trip from

$293

One-way from

$117

Popular in

January

Cheapest in

September

Average price

$435
China Eastern
  • China Eastern
  • 15/1-21/1
  • 2 total stops
  • 23h 05m total
  • Incheon to Southeast Asia
Search Deals
AIR PREMIA
  • AIR PREMIA
  • 26/3
  • Nonstop
  • 6h 10m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($186 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 3 December 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

Tue 3/3

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 12/3

22:55-06:35

Nonstop5h 40m

$354

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 3/3

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Thu 12/3

01:00-08:25

Nonstop5h 25m

$381

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 21/2

00:10-17:40

1 stop19h 30m

Bangkok Suvarnabhumi

Sat 28/2

20:05-20:55

1 stop22h 50m

$409

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 4/3

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Fri 6/3

22:25-06:05

Nonstop5h 40m

$416

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 1/3

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Fri 13/3

22:55-06:35

Nonstop5h 40m

$416

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 30/1

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 5/2

22:55-06:35

Nonstop5h 40m

$416

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 2/2

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Thu 12/2

01:00-08:25

Nonstop5h 25m

$418

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Mon 30/3

10:35-15:00

1 stop29h 25m

Denpasar Bali Ngurah Rai

Sun 5/4

16:00-16:25

1 stop23h 25m

$430

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 9/4

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Mon 13/4

15:55-05:50

1 stop11h 55m

$432

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 6/3

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Sat 14/3

22:25-06:05

Nonstop5h 40m

$432

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 42 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 return 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, June is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $156). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of $258). 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 3 December 2025.

A simple way to save on the total cost of your ticket is to fly from Incheon Intl Airport to Southeast Asia at midday. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the afternoon.

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 3 December 2025.

The most flights from ICN to zzYJX are scheduled on a Friday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 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 3 December 2025.
Get a feel of what it's like to fly with Cebu Pacific and VietJet Air from Incheon Intl Airport to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cebu Pacific
6.8
Okay
203 reviews
Check prices

Food

5.8

Entertainment

5.3

Crew

7.5

Boarding

6.7

Overall

6.8

Comfort

6.7

Reviews

1 / 13
6.0
Good

Firuz,July 2025

MNL - ICN

Display for boarding gate was catastrophic and boarding process was chaotic. Very confusing. That was however likely due to disorganised airport and not fault of Cebu pacific. However Cebu pacific could have had one staff member staying with passenger to answer questions if those arise.
Cebu Pacific
6.8
Okay
203 reviews
Cebu Pacific
6.8
Okay
203 reviews
Check prices

Food

5.8

Entertainment

5.3

Crew

7.5

Boarding

6.7

Overall

6.8

Comfort

6.7

Reviews

1 / 13
6.0
Good

Firuz,July 2025

MNL - ICN

Display for boarding gate was catastrophic and boarding process was chaotic. Very confusing. That was however likely due to disorganised airport and not fault of Cebu pacific. However Cebu pacific could have had one staff member staying with passenger to answer questions if those arise.
VietJet Air
5.6
Fair
153 reviews
Cebu Pacific
6.8
Okay
203 reviews
Check prices

Food

5.8

Entertainment

5.3

Crew

7.5

Boarding

6.7

Overall

6.8

Comfort

6.7

Reviews

1 / 13
6.0
Good

Firuz,July 2025

MNL - ICN

Display for boarding gate was catastrophic and boarding process was chaotic. Very confusing. That was however likely due to disorganised airport and not fault of Cebu pacific. However Cebu pacific could have had one staff member staying with passenger to answer questions if those arise.

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?

    There are many flights that can get you from Incheon Intl Airport to Southeast Asia in 6h 10m. Fly via AIR PREMIA, Jeju Air, or Malaysia Airlines to get the fastest option. The distance from Incheon Intl Airport to Southeast Asia is about 3663 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 $83 on Jeju Air. Other airlines that offer cheap prices include Philippines AirAsia from $84 and Thai AirAsia X from $99 one-way.

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

    Consider Oman Air (98%), EL AL (95%) or Turkish Airlines (95%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to Southeast Asia.

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

    Looking for the cheapest flight from Incheon Intl Airport to Southeast Asia? While on average our users pay $327, our data indicates the cheapest price to be $117. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $537.

  • 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 holiday 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, June is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $156). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of $258). 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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Alternative routes for Incheon Intl to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Suvarnabhumi flights
Incheon Intl to Taiwan Taoyuan Intl flights
Incheon Intl to Hong Kong flights
Incheon Intl to Denpasar flights
Incheon Intl to Narita flights

Top airline flying from Incheon Intl to Southeast Asia

Discover the top airline 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 647,157 searches. Data last updated 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Cebu PacificCheapest$250Average$284FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Incheon Intl to Southeast Asia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Incheon Intl to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Southeast Asia?

Cheapflights helps you find that perfect flight to Southeast Asia from Incheon Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Incheon Intl to Southeast Asia with no change fees?

Need flexible booking options for your flight to Southeast Asia from Incheon Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Incheon Intl to Southeast Asia become cheaper?

Yes, Cheapflights offers price alerts on Incheon Intl to Southeast Asia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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