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Cheap flights from Incheon Intl Airport to Southeast Asia from $114

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

$223

One-way from

$114

Popular in

January

Cheapest in

June

Average price

$270
Jeju Air
  • Jeju Air
  • 8/7-16/7
  • Nonstop
  • 11h 34m total
  • Incheon to Southeast Asia
Search Deals
Vietnam Airlines
  • Vietnam Airlines
  • 15/9
  • 1 total stop
  • 26h 45m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($173 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average return 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 13 June 2025.

Tue 8/720:05ICN - BKK
Nonstop5h 54mJeju Air
Wed 16/701:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 11/6$223
Sun 13/718:05ICN - BKK
1 stop18h 45mVietnam Airlines
Wed 16/722:15BKK - ICN
1 stop16h 20mVietnam Airlines
Deal found 12/6$239
Sat 28/616:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Tue 22/722:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 11/6$266
Tue 16/919:55ICN - BKK
Nonstop5h 50mJin Air
Thu 18/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 11/6$276
Sun 13/717:30ICN - BKK
Nonstop5h 50mEastar Jet
Wed 16/722:20BKK - ICN
Nonstop5h 40mEastar Jet
Deal found 12/6$321
Sat 21/608:00ICN - BKK
1 stop30h 15mPhilippine Airlines
Thu 26/623:20BKK - ICN
1 stop18h 00mPhilippine Airlines
Deal found 11/6$375
Thu 26/618:00ICN - BKK
Nonstop6h 35mT'way Air
Mon 30/600:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 12/6$385
Sun 13/718:05ICN - BKK
1 stop18h 45mMultiple Airlines
Tue 15/703:25BKK - ICN
1 stop18h 20mMultiple Airlines
Deal found 12/6$391
Wed 18/608:15ICN - DPS
1 stop13h 40mMultiple Airlines
Mon 23/616:55DPS - ICN
1 stop13h 05mMultiple Airlines
Deal found 11/6$401
Tue 23/917:55ICN - DPS
1 stop22h 05mVietnam Airlines
Thu 2/1016:00DPS - ICN
1 stop13h 40mVietnam Airlines
Deal found 11/6$405
Sat 12/700:10ICN - BKK
1 stop12h 05mMalaysia Airlines
Wed 16/718:40BKK - ICN
1 stop10h 30mMalaysia Airlines
Deal found 12/6$416
Wed 3/920:05ICN - DPS
1 stop22h 35mCathay Pacific
Fri 12/918:45DPS - ICN
1 stop23h 20mCathay Pacific
Deal found 11/6$428

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 13 June 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 8/7

20:05-23:59

Nonstop5h 54m

Bangkok Suvarnabhumi

Wed 16/7

01:00-08:40

Nonstop5h 40m

$223

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 13/7

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Wed 16/7

22:15-16:35

1 stop16h 20m

$239

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 28/6

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 22/7

22:45-06:25

Nonstop5h 40m

$266

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 16/9

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 18/9

00:55-08:25

Nonstop5h 30m

$276

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 6/7

18:00-22:35

Nonstop6h 35m

Bangkok Suvarnabhumi

Sat 12/7

00:05-07:40

Nonstop5h 35m

$319

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 13/7

17:30-21:20

Nonstop5h 50m

Bangkok Suvarnabhumi

Wed 16/7

22:20-06:00

Nonstop5h 40m

$321

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 25/6

08:00-22:25

1 stop16h 25m

Bangkok Suvarnabhumi

Sun 29/6

13:30-06:00

1 stop14h 30m

$375

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 13/7

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Tue 15/7

03:25-23:45

1 stop18h 20m

$391

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Tue 23/9

17:55-15:00

1 stop22h 05m

Denpasar Bali Ngurah Rai

Thu 2/10

16:00-06:40

1 stop13h 40m

$405

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Mon 24/11

11:20-00:20

1 stop14h 00m

Denpasar Bali Ngurah Rai

Mon 1/12

17:05-06:20

1 stop12h 15m

$407

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 49 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $489). Flying from Incheon Intl Airport to Southeast Asia in December is currently the most expensive (average of $911). 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 13 June 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 13 June 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 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

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 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 13 June 2025.
See what other customers who have flown with EVA Air, Korean Air and China Airlines from Seoul to Southeast Asia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,091 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,204 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

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
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

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 $114 on Vietnam Airlines. Other airlines that offer cheap prices include Air Busan from $121 and Jeju Air from $123 one-way.

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

    Consider T'way Air (100%), Oman Air (94%) or EL AL (92%) 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 $1,224, our data indicates the cheapest price to be $255. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $359.

  • 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $489). Flying from Incheon Intl Airport to Southeast Asia in December is currently the most expensive (average of $911). 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 Hong Kong flights
Incheon Intl to Suvarnabhumi flights
Incheon Intl to Denpasar flights
Incheon Intl to Narita flights
Incheon Intl to Taiwan Taoyuan Intl flights

Top 3 airlines flying from Incheon Intl to Southeast Asia

Discover the top 3 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 647,157 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest$225Average$340FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Asiana AirlinesCheapest$432Average$440FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$511Average$584FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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

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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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