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Cheap flights from Incheon Intl Airport to Southeast Asia from $113

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 10/11. 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

T'way Air Logo
18:00 - 22:05ICN-BKK
6h 05mdirect
T'way Air Logo
00:05 - 07:40BKK-ICN
5h 35mdirect
$196T'way Air
Find Deal
Mon, 20 Oct - Fri, 24 Oct
T'way Air Logo
18:00 - 22:05ICN-BKK
6h 05mdirect
T'way Air Logo
00:05 - 07:40BKK-ICN
5h 35mdirect
$199T'way Air
Find Deal
Mon, 20 Oct - Thu, 23 Oct
Jeju Air Logo
20:05 - 23:55ICN-BKK
5h 50mdirect
Jeju Air Logo
01:00 - 08:40BKK-ICN
5h 40mdirect
$202Jeju Air
Find Deal
Tue, 14 Oct - Sat, 18 Oct
Jeju Air Logo
20:05 - 23:55ICN-BKK
5h 50mdirect
Jeju Air Logo
01:00 - 08:40BKK-ICN
5h 40mdirect
$203Jeju Air
Find Deal
Thu, 9 Oct - Sat, 18 Oct
AIR PREMIA Logo
16:50 - 21:10ICN-BKK
6h 20mdirect
AIR PREMIA Logo
22:45 - 06:25BKK-ICN
5h 40mdirect
$234AIR PREMIA
Find Deal
Sun, 12 Oct - Mon, 20 Oct
Jin Air Logo
19:55 - 23:45ICN-BKK
5h 50mdirect
Jin Air Logo
22:25 - 05:40BKK-ICN
5h 15mdirect
$248Jin Air
Find Deal
Thu, 16 Oct - Sun, 26 Oct
Jin Air Logo
19:55 - 23:45ICN-BKK
5h 50mdirect
Jin Air Logo
22:25 - 05:40BKK-ICN
5h 15mdirect
$249Jin Air
Find Deal
Sun, 12 Oct - Sun, 26 Oct
AIR PREMIA Logo
16:50 - 21:10ICN-BKK
6h 20mdirect
AIR PREMIA Logo
22:45 - 06:25BKK-ICN
5h 40mdirect
$255AIR PREMIA
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Vietnam Airlines Logo
18:05 - 18:05ICN-BKK
26h 00m1 stop
Vietnam Airlines Logo
22:10 - 16:30BKK-ICN
16h 20m1 stop
$297Vietnam Airlines
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Tue, 14 Oct - Sun, 14 Dec
Vietnam Airlines Logo
18:05 - 11:20ICN-BKK
19h 15m1 stop
Vietnam Airlines Logo
21:15 - 16:25BKK-ICN
17h 10m1 stop
$304Vietnam Airlines
Find Deal
Thu, 11 Dec - Sun, 14 Dec

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
14 Oct
ICN20:05Incheon Intl
5h 50m
BKK23:55Bangkok Suvarnabhumi
18 Oct
BKK01:00Bangkok Suvarnabhumi
5h 40m
ICN08:40Incheon Intl
$202
Find similar
Jeju Air
9 Oct
ICN20:05Incheon Intl
5h 50m
BKK23:55Bangkok Suvarnabhumi
18 Oct
BKK01:00Bangkok Suvarnabhumi
5h 40m
ICN08:40Incheon Intl
$203
Find similar
Jeju Air
16 Oct
ICN20:05Incheon Intl
5h 50m
BKK23:55Bangkok Suvarnabhumi
19 Oct
BKK01:00Bangkok Suvarnabhumi
5h 40m
ICN08:40Incheon Intl
$205
Find similar

AIR PREMIA flights from Incheon Intl Airport to Southeast Asia

Our best AIR PREMIA deals on Incheon Intl Airport to Southeast Asia flight tickets
AIR PREMIA
12 Oct
ICN16:50Incheon Intl
6h 20m
BKK21:10Bangkok Suvarnabhumi
20 Oct
BKK22:45Bangkok Suvarnabhumi
5h 40m
ICN06:25Incheon Intl
$234
Find similar
AIR PREMIA
12 Oct
ICN16:50Incheon Intl
6h 20m
BKK21:10Bangkok Suvarnabhumi
19 Oct
BKK22:45Bangkok Suvarnabhumi
5h 40m
ICN06:25Incheon Intl
$255
Find similar
AIR PREMIA
12 Oct
ICN16:50Incheon Intl
6h 20m
BKK21:10Bangkok Suvarnabhumi
18 Oct
BKK22:45Bangkok Suvarnabhumi
5h 40m
ICN06:25Incheon Intl
$257
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 27 September 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 20/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 24/10

00:05-07:40

Nonstop5h 35m

$196

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 20/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 23/10

00:05-07:40

Nonstop5h 35m

$199

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 14/10

20:05-23:55

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 18/10

01:00-08:40

Nonstop5h 40m

$202

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 9/10

20:05-23:55

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 18/10

01:00-08:40

Nonstop5h 40m

$203

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 12/10

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 20/10

22:45-06:25

Nonstop5h 40m

$234

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 16/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sun 26/10

22:25-05:40

Nonstop5h 15m

$248

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 12/10

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sun 26/10

22:25-05:40

Nonstop5h 15m

$249

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 12/10

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Sun 19/10

22:45-06:25

Nonstop5h 40m

$255

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 14/10

18:05-18:05

1 stop26h 00m

Bangkok Suvarnabhumi

Sun 14/12

22:10-16:30

1 stop16h 20m

$297

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 11/12

18:05-11:20

1 stop19h 15m

Bangkok Suvarnabhumi

Sun 14/12

21:15-16:25

1 stop17h 10m

$304

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 $509, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Southeast Asia, with average flight prices from Incheon Intl Airport averaging around $521.

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

Our data shows that Thursday 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, Monday 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 $1,078.

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 $724. Flying to Southeast Asia at midday is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $838.

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

Fly from Incheon Intl to Bangkok Suvarnabhumi 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 $665 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 $531 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

5h 50m

Direct flights

Every day

Airports in Southeast Asia

1 airport
The fastest flight from Incheon Intl Airport to Southeast Asia takes 5h 50m
Direct flights go from Incheon Intl Airport to Southeast Asia every day.
There is 1 airport near Southeast Asia: Bangkok Suvarnabhumi (BKK)
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  • 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 many operators does momondo search for flights from Incheon Intl Airport to Southeast Asia?

  • 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 $231Free cancellationRating
6.8
201 reviews
Search Cebu Pacific flights
Thai AirAsia XPriceFrom $260Free cancellationRating
5.5
24 reviews
Search Thai AirAsia X flights
Korean AirPriceFrom $398Free cancellationRating
8.4
1,143 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $438Free cancellationRating
8.2
483 reviews
Search Asiana Airlines 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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