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Cheap flights from Incheon Intl Airport to Southeast Asia from $110

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
24 Apr — 1 May1
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 25 March 2026.

Sat 17/1018:00
ICN
-
BKK
Nonstop6h 05m
T'way Air
Wed 21/1000:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 23/3$245
Mon 12/1018:00
ICN
-
BKK
Nonstop6h 05m
T'way Air
Thu 15/1000:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 23/3$247
Mon 11/517:15
ICN
-
BKK
Nonstop5h 55m
AIR PREMIA
Fri 22/522:45
BKK
-
ICN
Nonstop5h 30m
AIR PREMIA
Deal found 20/3$248
Wed 25/319:30
ICN
-
BKK
Nonstop6h 15m
Jeju Air
Mon 1/601:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 23/3$261
Mon 28/919:55
ICN
-
BKK
Nonstop5h 50m
Jin Air
Wed 30/900:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 20/3$270
Sat 28/319:30
ICN
-
BKK
Nonstop6h 15m
Jeju Air
Sat 18/401:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 20/3$272
Fri 27/319:30
ICN
-
BKK
Nonstop6h 15m
Jeju Air
Thu 16/401:10
BKK
-
ICN
Nonstop5h 45m
Jeju Air
Deal found 20/3$274
Sat 28/319:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
Sun 19/400:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 21/3$277
Sun 27/919:55
ICN
-
BKK
Nonstop5h 50m
Jin Air
Wed 30/900:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 23/3$278
Sun 27/919:55
ICN
-
BKK
Nonstop5h 50m
Jin Air
Tue 29/900:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 23/3$280
Mon 11/517:15
ICN
-
BKK
Nonstop5h 55m
AIR PREMIA
Tue 19/522:45
BKK
-
ICN
Nonstop5h 30m
AIR PREMIA
Deal found 20/3$281
Wed 6/515:40
ICN
-
DPS
Nonstop7h 05m
Multiple Airlines
Wed 13/517:40
DPS
-
ICN
1 stop12h 20m
Multiple Airlines
Deal found 21/3$386

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 25 March 2026.

Round-trip from

$245

One-way from

$110

Popular in

January

Cheapest in

September

Average price

$288
T'way Air
  • T'way Air
  • 12/9-15/9
  • Nonstop
  • 11h 40m total
  • Incheon to Southeast Asia
Search Deals
T'way Air
  • T'way Air
  • 18/7
  • Nonstop
  • 6h 05m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 25 March 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 1/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 7/9

00:05-07:40

Nonstop5h 35m

$304

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 12/7

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 22/7

00:05-07:40

Nonstop5h 35m

$305
Fastest return journey

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 10/5

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Tue 12/5

22:45-06:15

Nonstop5h 30m

$334

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 18/8

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 22/8

00:45-08:25

Nonstop5h 40m

$337

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 2/7

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 27/8

00:05-07:40

Nonstop5h 35m

$358

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 19/7

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Fri 24/7

22:45-06:15

Nonstop5h 30m

$364

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 18/5

11:00-18:55

1 stop9h 55m

Bangkok Suvarnabhumi

Fri 22/5

06:00-21:15

1 stop13h 15m

$371

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 22/6

11:00-10:15

1 stop25h 15m

Bangkok Suvarnabhumi

Sat 27/6

06:00-21:15

1 stop13h 15m

$394

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 26/5

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Sun 7/6

22:45-06:15

Nonstop5h 30m

$400

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Fri 12/6

10:35-15:00

1 stop29h 25m

Denpasar Bali Ngurah Rai

Wed 17/6

16:00-06:40

1 stop13h 40m

$417

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 47 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $116). Flying from Incheon Intl Airport to Southeast Asia in December is currently the most expensive (average of $185). 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 25 March 2026.

A simple way to save on the total cost of your ticket is to fly from Incheon Intl Airport to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight at midday.

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 25 March 2026.
Get a feel of what it's like to fly with 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.
VietJet Air
5.6
Fair
163 reviews
Check prices

Comfort

5.3

Entertainment

4.0

Crew

6.6

Overall

5.6

Food

4.7

Boarding

6.0

Reviews

1 / 6
2.0
Mediocre

Anonymous,Dec 2025

DAD - SGN

Miserable and rude staff. Horrible leg space . It was a night mare . I will never try again
VietJet Air
5.6
Fair
163 reviews
VietJet Air
5.6
Fair
163 reviews
Check prices

Comfort

5.3

Entertainment

4.0

Crew

6.6

Overall

5.6

Food

4.7

Boarding

6.0

Reviews

1 / 6
2.0
Mediocre

Anonymous,Dec 2025

DAD - SGN

Miserable and rude staff. Horrible leg space . It was a night mare . I will never try again

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 5h 50m. Fly via T'way Air, AIR PREMIA, or Jin Air to get the fastest option. The distance from Incheon Intl Airport to Southeast Asia is about 3663 km. Most flights are nonstop.

  • 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 $78 on Jeju Air. Other airlines that offer cheap prices include Philippines AirAsia from $79 and Cebu Pacific from $93 one-way.

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

    Consider AIR PREMIA (96%), Kuwait Airways (96%) or Air Busan (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 $288, our data indicates the cheapest price to be $78. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $985.

  • 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, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $116). Flying from Incheon Intl Airport to Southeast Asia in December is currently the most expensive (average of $185). 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 Hong Kong flights
Incheon Intl to Denpasar flights
Incheon Intl to Narita flights
Incheon Intl to Taiwan Taoyuan Intl 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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$259Average$462FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air 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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