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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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

$181

One-way from

$117

Popular in

January

Cheapest in

June

Average price

$305
Vietnam Airlines
  • Vietnam Airlines
  • 28/8-31/8
  • 2 total stops
  • 35h 05m total
  • Incheon to Southeast Asia
Search Deals
Jeju Air
  • Jeju Air
  • 4/9
  • Nonstop
  • 5h 54m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($179 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 July 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 11 July 2025.

Thu 28/818:05ICN - BKK
1 stop18h 45mVietnam Airlines
Sun 31/822:15BKK - ICN
1 stop16h 20mVietnam Airlines
Deal found 10/7$181
Wed 17/917:30ICN - BKK
Nonstop5h 50mEastar Jet
Wed 24/922:20BKK - ICN
Nonstop5h 40mEastar Jet
Deal found 9/7$200
Mon 8/918:00ICN - BKK
Nonstop6h 35mT'way Air
Sun 21/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 10/7$213
Tue 2/920:05ICN - BKK
Nonstop5h 54mJeju Air
Fri 5/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 10/7$242
Sat 13/916:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Sun 14/922:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 10/7$308
Mon 8/919:55ICN - BKK
Nonstop5h 50mJin Air
Tue 9/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 9/7$309
Mon 1/911:30ICN - DPS
1 stop23h 20mScoot
Mon 8/910:50DPS - ICN
2 stops33h 30mScoot
Deal found 10/7$396
Mon 25/811:35ICN - DPS
1 stop13h 45mMultiple Airlines
Wed 27/819:15DPS - ICN
1 stop10h 45mMultiple Airlines
Deal found 8/7$398
Sun 31/813:40ICN - DPS
1 stop29h 00mCathay Pacific
Sun 7/918:45DPS - ICN
1 stop18h 20mCathay Pacific
Deal found 10/7$427
Wed 29/1012:35ICN - DPS
1 stop12h 20mSingapore Airlines
Wed 12/1107:20DPS - ICN
1 stop13h 40mSingapore Airlines
Deal found 11/7$475
Sun 24/806:45ICN - DPS
1 stop32h 45mVietJet Air
Sun 31/817:30DPS - ICN
1 stop13h 25mVietJet Air
Deal found 10/7$494
Sat 30/808:20ICN - DPS
1 stop24h 30mCebu Pacific
Fri 5/901:00DPS - ICN
1 stop29h 20mCebu Pacific
Deal found 10/7$495

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 11 July 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

Thu 28/8

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Sun 31/8

22:15-16:35

1 stop16h 20m

$181

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 17/9

17:30-21:20

Nonstop5h 50m

Bangkok Suvarnabhumi

Wed 24/9

22:20-06:00

Nonstop5h 40m

$200

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/9

18:00-22:35

Nonstop6h 35m

Bangkok Suvarnabhumi

Sun 21/9

00:05-07:40

Nonstop5h 35m

$213

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 1/9

20:05-23:59

Nonstop5h 54m

Bangkok Suvarnabhumi

Tue 9/9

01:00-08:40

Nonstop5h 40m

$242

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 25/8

17:55-06:35

1 stop14h 40m

Bangkok Suvarnabhumi

Sun 31/8

00:05-07:40

Nonstop5h 35m

$297

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 13/9

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Sun 14/9

22:45-06:25

Nonstop5h 40m

$308

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/9

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sun 14/9

00:55-08:25

Nonstop5h 30m

$309

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Mon 1/9

11:30-09:50

1 stop23h 20m

Denpasar Bali Ngurah Rai

Mon 8/9

10:50-21:20

2 stops33h 30m

$396

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Mon 25/8

11:35-00:20

1 stop13h 45m

Denpasar Bali Ngurah Rai

Wed 27/8

19:15-07:00

1 stop10h 45m

$398

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Sun 31/8

13:40-17:40

1 stop29h 00m

Denpasar Bali Ngurah Rai

Sun 7/9

18:45-14:05

1 stop18h 20m

$427

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 36 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 11 July 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 11 July 2025.

The most flights from ICN to zzYJX are scheduled on a Wednesday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 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 11 July 2025.
Get a feel of what it's like to fly with Korean Air, AIR PREMIA, andSingapore Airlines 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.
Korean Air
8.4
Very Good
1,105 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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.
Korean Air
8.4
Very Good
1,105 reviews
Korean Air
8.4
Very Good
1,105 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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.
AIR PREMIA
8.2
Very Good
Korean Air
8.4
Very Good
1,105 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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.
Singapore Airlines
8.1
Very Good
1,324 reviews
Korean Air
8.4
Very Good
1,105 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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.
Cathay Pacific
7.6
Good
929 reviews
Korean Air
8.4
Very Good
1,105 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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 $117 on Jeju Air. Other airlines that offer cheap prices include Vietnam Airlines from $119 and AIR PREMIA from $139 one-way.

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

    Consider T'way Air (100%), Oman Air (99%) or Turkish Airlines (96%) 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 $434, our data indicates the cheapest price to be $126. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $356.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest$265Average$340FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Asiana AirlinesCheapest$429Average$436FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest$507Average$577FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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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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