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Cheap flights from Incheon Intl Airport to Southeast Asia from $137

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
27 feb — 6 mar1
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 28 gennaio 2026.

lun 9/317:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
sab 28/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 26/1$209
mar 24/217:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
mar 17/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 26/1$229
sab 4/419:55
ICN
-
BKK
Nonstop5h 50m
Jin Air
sab 11/400:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 28/1$232
sab 21/217:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
sab 21/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 27/1$239
gio 12/319:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
mer 18/301:30
BKK
-
ICN
Nonstop5h 30m
T'way Air
Deal found 25/1$242
gio 26/317:10
ICN
-
BKK
Nonstop6h 00m
Jin Air
mer 1/400:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 27/1$246
mar 10/217:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
dom 15/222:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 26/1$248
dom 15/319:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
mer 18/301:30
BKK
-
ICN
Nonstop5h 30m
T'way Air
Deal found 28/1$249
mer 1/419:55
ICN
-
BKK
Nonstop5h 50m
Jin Air
lun 6/400:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 28/1$250
lun 9/319:30
ICN
-
BKK
Nonstop6h 15m
Jeju Air
mer 11/301:00
BKK
-
ICN
Nonstop5h 25m
Jeju Air
Deal found 27/1$252
lun 9/219:30
ICN
-
BKK
Nonstop6h 15m
Jeju Air
mer 11/301:00
BKK
-
ICN
Nonstop5h 25m
Jeju Air
Deal found 27/1$256
ven 6/317:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
lun 16/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 25/1$258

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 28 gennaio 2026.

Round-trip from

$209

One-way from

$137

Popular in

January

Cheapest in

September

Average price

$443
Eastar Jet
  • Eastar Jet
  • 9/3-14/3
  • Nonstop
  • 12h 15m total
  • Incheon to Southeast Asia
Search Deals
T'way Air
  • T'way Air
  • 20/2
  • Nonstop
  • 6h 20m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($126 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 28 gennaio 2026.
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

sab 7/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

gio 12/3

22:25-06:20

Nonstop5h 55m

$209

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

dom 8/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

sab 14/3

22:25-06:20

Nonstop5h 55m

$268

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

dom 15/3

18:05-11:20

1 stop19h 15m

Bangkok Suvarnabhumi

sab 25/4

22:15-16:35

1 stop16h 20m

$297

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

mar 3/3

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

lun 9/3

01:00-08:25

Nonstop5h 25m

$301

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

mer 4/3

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

ven 6/3

01:00-08:25

Nonstop5h 25m

$305

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

mar 28/4

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

mer 6/5

01:10-08:55

Nonstop5h 45m

$318

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

dom 29/3

10:05-21:05

1 stop13h 00m

Bangkok Suvarnabhumi

dom 5/4

18:05-06:00

1 stop9h 55m

$321

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

ven 27/3

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

sab 28/3

01:00-08:25

Nonstop5h 25m

$324

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

gio 2/4

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

gio 16/4

22:45-06:15

Nonstop5h 30m

$341

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

gio 16/4

18:05-21:05

1 stop29h 00m

Bangkok Suvarnabhumi

dom 19/4

22:15-16:35

1 stop16h 20m

$380

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 45 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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $138). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of $243). 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 28 gennaio 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 10% 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 28 gennaio 2026.

The most flights from ICN to zzYJX are scheduled on a Tuesday (41 on average). You will have fewer flight options on Sunday, 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 28 gennaio 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
5.5
Fair
159 reviews
Check prices

Overall

5.5

Comfort

5.3

Boarding

6.0

Entertainment

4.0

Crew

6.6

Food

4.7

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
5.5
Fair
159 reviews
VietJet Air
5.5
Fair
159 reviews
Check prices

Overall

5.5

Comfort

5.3

Boarding

6.0

Entertainment

4.0

Crew

6.6

Food

4.7

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 6h 15m. Fly via Eastar Jet, Vietnam Airlines, or Jeju Air 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 $78 on Jeju Air. Other airlines that offer cheap prices include Philippines AirAsia from $80 and Cebu Pacific from $93 one-way.

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

    Consider Air Busan (93%), AIR PREMIA (86%) or Kuwait Airways (86%) 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 $205, our data indicates the cheapest price to be $90. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $784.

  • 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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $138). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of $243). 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 Denpasar flights
Incheon Intl to Hong Kong flights
Incheon Intl to Narita flights

Fly with Cheapflights

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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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