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Cheap flights from Incheon Intl Airport to Southeast Asia from $207

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 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
$387T'way Air
Sat, 22 Aug - Sun, 30 Aug
Jeju Air Logo
20:05 - 00:10
ICN
-
BKK
6h 05mdirect
Jeju Air Logo
01:10 - 08:55
BKK
-
ICN
5h 45mdirect
$389Jeju Air
Sat, 11 Jul - Thu, 16 Jul
Jeju Air Logo
20:05 - 00:10
ICN
-
BKK
6h 05mdirect
Jeju Air Logo
01:10 - 08:55
BKK
-
ICN
5h 45mdirect
$390Jeju Air
Wed, 8 Jul - Wed, 29 Jul
Multiple Airlines Logo
18:00 - 22:05
ICN
-
BKK
6h 05mdirect
Multiple Airlines Logo
11:20 - 06:40
BKK
-
ICN
17h 20m
1 stop
$396Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Jin Air Logo
19:55 - 23:45
ICN
-
BKK
5h 50mdirect
Jin Air Logo
00:45 - 08:25
BKK
-
ICN
5h 40mdirect
$416Jin Air
Thu, 9 Jul - Sat, 11 Jul
Jin Air Logo
19:55 - 23:45
ICN
-
BKK
5h 50mdirect
Jin Air Logo
00:45 - 08:25
BKK
-
ICN
5h 40mdirect
$417Jin Air
Thu, 9 Jul - Sat, 11 Jul
Malaysia Airlines Logo
11:00 - 18:30
ICN
-
DPS
32h 30m
1 stop
Malaysia Airlines Logo
16:25 - 21:15
DPS
-
ICN
27h 50m
1 stop
$699Malaysia Airlines
Mon, 17 Aug - Wed, 2 Sep
Vietnam Airlines Logo
17:55 - 15:00
ICN
-
DPS
22h 05m
1 stop
Vietnam Airlines Logo
16:00 - 16:25
DPS
-
ICN
23h 25m
1 stop
$702Vietnam Airlines
Tue, 25 Aug - Tue, 1 Sep
Vietnam Airlines Logo
17:55 - 15:00
ICN
-
DPS
22h 05m
1 stop
Vietnam Airlines Logo
16:05 - 22:35
DPS
-
ICN
29h 30m
2 stops
$706Vietnam Airlines
Fri, 9 Oct - Fri, 30 Oct
Multiple Airlines Logo
06:25 - 16:25
ICN
-
DPS
11h 00m
1 stop
Multiple Airlines Logo
19:00 - 07:05
DPS
-
ICN
11h 05m
1 stop
$715Multiple Airlines
Mon, 13 Jul - Sun, 26 Jul

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Jeju Air flights from Incheon Intl Airport to Southeast Asia

Our best Jeju Air deals on Incheon Intl Airport to Southeast Asia flight tickets
Jeju Air
11 July
ICN20:05Incheon Intl
6h 05m
BKK00:10Bangkok Suvarnabhumi
16 July
BKK01:10Bangkok Suvarnabhumi
5h 45m
ICN08:55Incheon Intl
$388
Jeju Air
8 July
ICN20:05Incheon Intl
6h 05m
BKK00:10Bangkok Suvarnabhumi
29 July
BKK01:10Bangkok Suvarnabhumi
5h 45m
ICN08:55Incheon Intl
$390
Jeju Air
23 July
ICN20:05Incheon Intl
6h 05m
BKK00:10Bangkok Suvarnabhumi
29 July
BKK01:10Bangkok Suvarnabhumi
5h 45m
ICN08:55Incheon Intl
$391

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
22 Aug
ICN18:00Incheon Intl
6h 05m
BKK22:05Bangkok Suvarnabhumi
30 Aug
BKK00:05Bangkok Suvarnabhumi
5h 35m
ICN07:40Incheon Intl
$387
T'way Air
22 Aug
ICN18:00Incheon Intl
6h 05m
BKK22:05Bangkok Suvarnabhumi
30 Aug
BKK00:05Bangkok Suvarnabhumi
5h 35m
ICN07:40Incheon Intl
$390
T'way Air
23 Aug
ICN18:00Incheon Intl
6h 05m
BKK22:05Bangkok Suvarnabhumi
27 Aug
BKK00:05Bangkok Suvarnabhumi
5h 35m
ICN07:40Incheon Intl
$425

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 28 June 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

Sat 22/8

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 30/8

00:05-07:40

Nonstop5h 35m

$387

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 11/7

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 16/7

01:10-08:55

Nonstop5h 45m

$388

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 8/7

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 29/7

01:10-08:55

Nonstop5h 45m

$390

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 24/8

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 31/8

11:20-06:40

1 stop17h 20m

$396
Fastest return journey

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 9/7

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 11/7

00:45-08:25

Nonstop5h 40m

$416

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 9/7

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 11/7

00:45-08:25

Nonstop5h 40m

$417

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Mon 17/8

11:00-18:30

1 stop32h 30m

Denpasar Bali Ngurah Rai

Wed 2/9

16:25-21:15

1 stop27h 50m

$699

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Tue 25/8

17:55-15:00

1 stop22h 05m

Denpasar Bali Ngurah Rai

Tue 1/9

16:00-16:25

1 stop23h 25m

$702

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Fri 9/10

17:55-15:00

1 stop22h 05m

Denpasar Bali Ngurah Rai

Fri 30/10

16:05-22:35

2 stops29h 30m

$706

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Mon 13/7

06:25-16:25

1 stop11h 00m

Denpasar Bali Ngurah Rai

Sun 26/7

19:00-07:05

1 stop11h 05m

$715

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 September. Flight prices, which tend to average around $302, 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 $357.

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

Our data shows that Friday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $673. On the other hand, Thursday 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 $948.

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

In the afternoon 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 $673. Flying to Southeast Asia in the afternoon 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 $948.

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 from Incheon Intl Airport 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 $715 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 $655 on momondo.

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

There are 3 cabin classes available to choose from on Incheon Intl Airport 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

7h 05m

Direct flights

Every day

Airports in Southeast Asia

295 airports
The fastest flight from Incheon Intl Airport to Southeast Asia takes 7h 05m
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

Frequently asked questions about flying from Incheon Intl Airport to Southeast Asia

  • 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
VietJet AirPriceFrom $262Free cancellationRating
5.6
168 reviews
Search VietJet Air flights

Why use momondo?

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

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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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