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Cheap flights from Incheon Intl Airport to Southeast Asia from $130

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Southeast Asia departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Incheon Intl Airport to Southeast Asia

Cheap return flights

Enter your travel dates to find the best prices.
T'way Air Logo
18:00 - 22:05
ICN
-
BKK
6h 05mdirect
T'way Air Logo
00:05 - 07:40
BKK
-
ICN
5h 35mdirect
$250T'way Air
Mon, 8 Jun - Fri, 12 Jun
T'way Air Logo
18:00 - 22:05
ICN
-
BKK
6h 05mdirect
T'way Air Logo
00:05 - 07:40
BKK
-
ICN
5h 35mdirect
$251T'way Air
Sun, 17 May - Wed, 20 May
AIR PREMIA Logo
17:15 - 21:25
ICN
-
BKK
6h 10mdirect
AIR PREMIA Logo
22:55 - 06:35
BKK
-
ICN
5h 40mdirect
$271AIR PREMIA
Fri, 13 Mar - Thu, 19 Mar
Jeju Air Logo
20:05 - 00:10
ICN
-
BKK
6h 05mdirect
Jeju Air Logo
01:10 - 08:55
BKK
-
ICN
5h 45mdirect
$278Jeju Air
Sun, 24 May - Wed, 27 May
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$281Eastar Jet
Thu, 5 Mar - Tue, 10 Mar
Eastar Jet Logo
17:05 - 21:25
ICN
-
BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20
BKK
-
ICN
5h 55mdirect
$283Eastar Jet
Tue, 3 Mar - Sat, 7 Mar
Vietnam Airlines Logo
11:05 - 17:05
ICN
-
BKK
8h 00m1 stop
Vietnam Airlines Logo
18:05 - 06:00
BKK
-
ICN
9h 55m1 stop
$284Vietnam Airlines
Sun, 5 Apr - Wed, 8 Apr
Vietnam Airlines Logo
18:05 - 10:50
ICN
-
BKK
18h 45m1 stop
Vietnam Airlines Logo
15:55 - 05:50
BKK
-
ICN
11h 55m1 stop
$286Vietnam Airlines
Wed, 6 May - Sat, 9 May
Vietnam Airlines Logo
18:05 - 10:50
ICN
-
BKK
18h 45m1 stop
Vietnam Airlines Logo
15:55 - 05:50
BKK
-
ICN
11h 55m1 stop
$287Vietnam Airlines
Sat, 16 May - Tue, 19 May
Shandong Airlines Logo
21:10 - 01:25
ICN
-
BKK
30h 15m1 stop
Shandong Airlines Logo
03:05 - 10:45
BKK
-
ICN
29h 40m1 stop
$292Shandong Airlines
Fri, 16 Jan - Sun, 25 Jan

T'way Air flights from Incheon Intl Airport to Southeast Asia

Our best T'way Air deals on Incheon Intl Airport to Southeast Asia flight tickets
T'way Air
11 May
ICN18:00Incheon Intl
6h 05m
BKK22:05Bangkok Suvarnabhumi
15 May
BKK00:05Bangkok Suvarnabhumi
5h 35m
ICN07:40Incheon Intl
$250
Find similar
T'way Air
17 May
ICN18:00Incheon Intl
6h 05m
BKK22:05Bangkok Suvarnabhumi
21 May
BKK00:05Bangkok Suvarnabhumi
5h 35m
ICN07:40Incheon Intl
$251
Find similar
T'way Air
1 June
ICN18:00Incheon Intl
6h 05m
BKK22:05Bangkok Suvarnabhumi
12 June
BKK00:05Bangkok Suvarnabhumi
5h 35m
ICN07:40Incheon Intl
$298
Find similar

Thai Vietjet Air flights from Incheon Intl Airport to Southeast Asia

Our best Thai Vietjet Air deals on Incheon Intl Airport to Southeast Asia flight tickets
Thai Vietjet Air
20 Mar
ICN12:10Incheon Intl
6h 10m
BKK16:20Bangkok Suvarnabhumi
27 Mar
BKK02:25Bangkok Suvarnabhumi
5h 30m
ICN09:55Incheon Intl
$295
Find similar
Thai Vietjet Air
23 Mar
ICN12:10Incheon Intl
6h 10m
BKK16:20Bangkok Suvarnabhumi
26 Mar
BKK02:25Bangkok Suvarnabhumi
5h 30m
ICN09:55Incheon Intl
$319
Find similar
Thai Vietjet Air
5 Mar
ICN12:10Incheon Intl
6h 10m
BKK16:20Bangkok Suvarnabhumi
17 Mar
BKK02:25Bangkok Suvarnabhumi
5h 30m
ICN09:55Incheon Intl
$320
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Incheon Intl Airport 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, momondo users made 78,305 searches. Data last updated 24 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

Fly to

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/6

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 12/6

00:05-07:40

Nonstop5h 35m

$250

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 17/5

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 20/5

00:05-07:40

Nonstop5h 35m

$251

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 13/3

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 19/3

22:55-06:35

Nonstop5h 40m

$271

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 24/5

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 27/5

01:10-08:55

Nonstop5h 45m

$278

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 10/3

22:25-06:20

Nonstop5h 55m

$281

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 3/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Sat 7/3

22:25-06:20

Nonstop5h 55m

$283

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 5/4

11:05-17:05

1 stop8h 00m

Bangkok Suvarnabhumi

Wed 8/4

18:05-06:00

1 stop9h 55m

$284

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 6/5

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Sat 9/5

15:55-05:50

1 stop11h 55m

$286

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 16/5

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Tue 19/5

15:55-05:50

1 stop11h 55m

$287

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 16/1

21:10-01:25

1 stop30h 15m

Bangkok Suvarnabhumi

Sun 25/1

03:05-10:45

1 stop29h 40m

$292

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Southeast Asia from

How to get the cheapest flight ticket from Incheon Intl Airport to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from Incheon Intl Airport is in May. Flight prices, which tend to average around $432, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Southeast Asia, with average flight prices from Incheon Intl Airport averaging around $522.

What is the cheapest day to depart on your flight to Southeast Asia?

Our data shows that Monday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $724. On the other hand, Sunday is the most expensive day to depart from Incheon Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $808.

What is the cheapest time of day to depart on your flight to Southeast Asia?

At midday is the cheapest time of day to fly from Incheon Intl Airport to Southeast Asia when you can find flight prices for as low as $709. Flying to Southeast Asia at midday is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of $780.

What is the cheapest Incheon Intl to Southeast Asia flight route?

Fly from Incheon Intl to Da Nang for the best Incheon Intl - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $669 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Incheon Intl Airport for as low as $518 on momondo.

What cabin class options are available on Incheon Intl to Southeast Asia flights?

There are 3 cabin classes available to choose from on Incheon Intl to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Incheon Intl Airport to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Incheon Intl Airport to Southeast Asia.

Cheap Incheon Intl Airport to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Southeast Asia

Fastest flight time

6h 20m

Direct flights

Every day

Airports in Southeast Asia

295 airports
The fastest flight from Incheon Intl Airport to Southeast Asia takes 6h 20m
Direct flights go from Incheon Intl Airport to Southeast Asia every day.
There are 295 airports in Southeast Asia. From Incheon Intl Airport there are direct flights to Bangkok Suvarnabhumi (BKK).
Search flight deals

  • When did momondo last update prices for flights from Incheon Intl Airport to Southeast Asia?

    Prices for flights from Incheon Intl Airport to Southeast Asia were last updated today.

  • How old do you have to be to fly from Incheon Intl Airport to Southeast Asia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Southeast Asia.

  • What documentation or ID do you need to fly to Southeast Asia?

    The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Incheon Intl Airport to Southeast Asia?

Best airlines flying from Incheon Intl Airport to Southeast Asia

Compare and see reviews for airlines that fly from Incheon Intl Airport to Southeast Asia with momondo
Airline
Rating
Free cancellation
Price
Cebu PacificPriceFrom $245Free cancellationRating
6.8
204 reviews
Search Cebu Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Southeast Asia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Southeast Asia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Southeast Asia with flexible booking policies on momondo?

All flight searches from Seoul to Southeast Asia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seoul to Southeast Asia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southeast Asia from Seoul.

I’m not ready to book a flight from Seoul to Southeast Asia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seoul to Southeast Asia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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