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Cheap flights from Incheon Intl Airport to Southeast Asia from $109

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 19/12. 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
19:50 - 00:10ICN-BKK
6h 20mdirect
T'way Air Logo
01:30 - 09:00BKK-ICN
5h 30mdirect
$225T'way Air
Find Deal
Tue, 10 Mar - Wed, 18 Mar
T'way Air Logo
19:50 - 00:10ICN-BKK
6h 20mdirect
T'way Air Logo
01:30 - 09:00BKK-ICN
5h 30mdirect
$227T'way Air
Find Deal
Sun, 30 Nov - Wed, 3 Dec
T'way Air Logo
19:50 - 00:10ICN-BKK
6h 20mdirect
T'way Air Logo
01:30 - 09:00BKK-ICN
5h 30mdirect
$257T'way Air
Find Deal
Wed, 26 Nov - Tue, 2 Dec
Jeju Air Logo
19:30 - 23:45ICN-BKK
6h 15mdirect
Jeju Air Logo
01:00 - 08:25BKK-ICN
5h 25mdirect
$263Jeju Air
Find Deal
Sat, 6 Dec - Wed, 10 Dec
Jeju Air Logo
19:30 - 23:45ICN-BKK
6h 15mdirect
Jeju Air Logo
01:00 - 08:25BKK-ICN
5h 25mdirect
$274Jeju Air
Find Deal
Wed, 26 Nov - Mon, 8 Dec
AIR PREMIA Logo
17:15 - 21:25ICN-BKK
6h 10mdirect
AIR PREMIA Logo
22:55 - 06:35BKK-ICN
5h 40mdirect
$280AIR PREMIA
Find Deal
Sat, 6 Dec - Thu, 11 Dec
AIR PREMIA Logo
17:15 - 21:25ICN-BKK
6h 10mdirect
AIR PREMIA Logo
22:55 - 06:35BKK-ICN
5h 40mdirect
$282AIR PREMIA
Find Deal
Sat, 6 Dec - Fri, 12 Dec
Jin Air Logo
17:10 - 21:10ICN-BKK
6h 00mdirect
Jin Air Logo
22:25 - 06:05BKK-ICN
5h 40mdirect
$306Jin Air
Find Deal
Mon, 24 Nov - Wed, 26 Nov
Eastar Jet Logo
17:05 - 21:25ICN-BKK
6h 20mdirect
Eastar Jet Logo
22:25 - 06:20BKK-ICN
5h 55mdirect
$323Eastar Jet
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Fri, 21 Nov - Tue, 25 Nov
Jin Air Logo
17:10 - 21:10ICN-BKK
6h 00mdirect
Jin Air Logo
22:25 - 06:05BKK-ICN
5h 40mdirect
$332Jin Air
Find Deal
Sun, 23 Nov - Mon, 24 Nov

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
10 Mar
ICN19:50Incheon Intl
6h 20m
BKK00:10Bangkok Suvarnabhumi
18 Mar
BKK01:30Bangkok Suvarnabhumi
5h 30m
ICN09:00Incheon Intl
$225
Find similar
T'way Air
30 Nov
ICN19:50Incheon Intl
6h 20m
BKK00:10Bangkok Suvarnabhumi
3 Dec
BKK01:30Bangkok Suvarnabhumi
5h 30m
ICN09:00Incheon Intl
$227
Find similar
T'way Air
26 Nov
ICN19:50Incheon Intl
6h 20m
BKK00:10Bangkok Suvarnabhumi
2 Dec
BKK01:30Bangkok Suvarnabhumi
5h 30m
ICN09:00Incheon Intl
$257
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
6 Dec
ICN17:15Incheon Intl
6h 10m
BKK21:25Bangkok Suvarnabhumi
11 Dec
BKK22:55Bangkok Suvarnabhumi
5h 40m
ICN06:35Incheon Intl
$280
Find similar
AIR PREMIA
6 Dec
ICN17:15Incheon Intl
6h 10m
BKK21:25Bangkok Suvarnabhumi
12 Dec
BKK22:55Bangkok Suvarnabhumi
5h 40m
ICN06:35Incheon Intl
$282
Find similar
AIR PREMIA
6 Dec
ICN17:15Incheon Intl
6h 10m
BKK21:25Bangkok Suvarnabhumi
11 Dec
BKK22:55Bangkok Suvarnabhumi
5h 40m
ICN06:35Incheon Intl
$299
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 11 November 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

Tue 10/3

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 18/3

01:30-09:00

Nonstop5h 30m

$225

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 30/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 3/12

01:30-09:00

Nonstop5h 30m

$227

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 26/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 2/12

01:30-09:00

Nonstop5h 30m

$257

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 6/12

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Wed 10/12

01:00-08:25

Nonstop5h 25m

$263

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 26/11

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Mon 8/12

01:00-08:25

Nonstop5h 25m

$274

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 6/12

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 11/12

22:55-06:35

Nonstop5h 40m

$280

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 6/12

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Fri 12/12

22:55-06:35

Nonstop5h 40m

$282

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 24/11

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Wed 26/11

22:25-06:05

Nonstop5h 40m

$306

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 21/11

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 25/11

22:25-06:20

Nonstop5h 55m

$323

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 23/11

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Mon 24/11

22:25-06:05

Nonstop5h 40m

$332

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 $463, 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 $536.

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 $726. 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 $839.

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 $726. 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 $824.

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

Fly from Incheon Intl to Manila Ninoy Aquino Intl 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 $670 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 $525 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 00m

Direct flights

Every day

Airports in Southeast Asia

1 airport
The fastest flight from Incheon Intl Airport to Southeast Asia takes 6h 00m
Direct flights go from Incheon Intl Airport to Southeast Asia every day.
There is 1 airport near Southeast Asia: 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 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 $232Free cancellationRating
6.8
202 reviews
Search Cebu Pacific flights
Thai AirAsia XPriceFrom $261Free cancellationRating
0.0
0 reviews
Search Thai AirAsia X flights
Korean AirPriceFrom $398Free cancellationRating
8.4
1,163 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $439Free cancellationRating
8.2
485 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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