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Cheap flights from Incheon Intl Airport to Southeast Asia from $71

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 12/19. 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 round-trip flights

Enter your travel dates to find the best prices.
T'way Air Logo
7:50 pm - 12:10 amICN-BKK
6h 20mnonstop
T'way Air Logo
1:30 am - 9:00 amBKK-ICN
5h 30mnonstop
$147T'way Air
Find Deal
lun., dic. 1 - vie., dic. 5
T'way Air Logo
7:50 pm - 12:10 amICN-BKK
6h 20mnonstop
T'way Air Logo
1:30 am - 9:00 amBKK-ICN
5h 30mnonstop
$148T'way Air
Find Deal
dom., nov. 30 - mié., dic. 3
Jeju Air Logo
7:30 pm - 11:45 pmICN-BKK
6h 15mnonstop
Jeju Air Logo
1:00 am - 8:25 amBKK-ICN
5h 25mnonstop
$172Jeju Air
Find Deal
sáb., dic. 6 - mié., dic. 10
Jeju Air Logo
7:30 pm - 11:45 pmICN-BKK
6h 15mnonstop
Jeju Air Logo
1:00 am - 8:25 amBKK-ICN
5h 25mnonstop
$178Jeju Air
Find Deal
mié., nov. 26 - mar., dic. 16
VietJet Air Logo
1:50 am - 4:30 amICN-SGN
28h 40m1 stop
VietJet Air Logo
2:40 am - 9:50 amSGN-ICN
5h 10mnonstop
$232VietJet Air
Find Deal
lun., nov. 24 - vie., dic. 5
VietJet Air Logo
1:50 am - 10:40 amICN-HAN
10h 50m1 stop
VietJet Air Logo
8:15 pm - 6:00 amHAN-ICN
7h 45m1 stop
$238VietJet Air
Find Deal
mar., dic. 9 - mié., dic. 17
Korean Air Logo
5:25 pm - 10:10 pmICN-HKT
6h 45mnonstop
Korean Air Logo
11:40 pm - 7:35 amHKT-ICN
5h 55mnonstop
$285Korean Air
Find Deal
mar., dic. 9 - jue., dic. 18
Asiana Airlines Logo
5:00 pm - 9:35 pmICN-HKT
6h 35mnonstop
Asiana Airlines Logo
10:15 pm - 6:35 amHKT-ICN
6h 20mnonstop
$288Asiana Airlines
Find Deal
lun., nov. 24 - dom., dic. 28
Korean Air Logo
11:15 pm - 5:00 amICN-SIN
6h 45mnonstop
Korean Air Logo
10:40 am - 6:25 pmSIN-ICN
6h 45mnonstop
$301Korean Air
Find Deal
jue., mar. 5 - lun., mar. 9
Asiana Airlines Logo
4:00 pm - 8:55 pmICN-HKT
6h 55mnonstop
Asiana Airlines Logo
10:15 pm - 6:35 amHKT-ICN
6h 20mnonstop
$306Asiana Airlines
Find Deal
vie., nov. 21 - mar., nov. 25

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
Dec 1
ICN7:50 pmIncheon Intl
6h 20m
BKK12:10 amBangkok Suvarnabhumi
Dec 5
BKK1:30 amBangkok Suvarnabhumi
5h 30m
ICN9:00 amIncheon Intl
$147
Find similar
T'way Air
Nov 30
ICN7:50 pmIncheon Intl
6h 20m
BKK12:10 amBangkok Suvarnabhumi
Dec 3
BKK1:30 amBangkok Suvarnabhumi
5h 30m
ICN9:00 amIncheon Intl
$148
Find similar
T'way Air
Nov 26
ICN7:50 pmIncheon Intl
6h 20m
BKK12:10 amBangkok Suvarnabhumi
Dec 2
BKK1:30 amBangkok Suvarnabhumi
5h 30m
ICN9:00 amIncheon Intl
$168
Find similar

Vietnam Airlines flights from Incheon Intl Airport to Southeast Asia

Our best Vietnam Airlines deals on Incheon Intl Airport to Southeast Asia flight tickets
Vietnam Airlines
Mar 24
ICN10:35 amIncheon Intl
12h 25m
1 stop
BKK9:00 pmBangkok Suvarnabhumi
Apr 6
BKK10:15 pmBangkok Suvarnabhumi
16h 20m
1 stop
ICN4:35 pmIncheon Intl
$166
Find similar
Vietnam Airlines
Mar 27
ICN10:35 amIncheon Intl
9h 20m
1 stop
BKK5:55 pmBangkok Suvarnabhumi
Apr 2
BKK11:55 amBangkok Suvarnabhumi
15h 55m
1 stop
ICN5:50 amIncheon Intl
$174
Find similar
Vietnam Airlines
Apr 17
ICN6:05 pmIncheon Intl
18h 50m
1 stop
SIN11:55 amSingapore Changi
Apr 21
SIN1:05 pmSingapore Changi
26h 30m
1 stop
ICN4:35 pmIncheon Intl
$196
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated noviembre 10, 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

lun. 12/1

7:50 pm-12:10 am

Nonstop6h 20m

Bangkok Suvarnabhumi

vie. 12/5

1:30 am-9:00 am

Nonstop5h 30m

$147

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

dom. 11/30

7:50 pm-12:10 am

Nonstop6h 20m

Bangkok Suvarnabhumi

mié. 12/3

1:30 am-9:00 am

Nonstop5h 30m

$148

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

sáb. 12/6

7:30 pm-11:45 pm

Nonstop6h 15m

Bangkok Suvarnabhumi

mié. 12/10

1:00 am-8:25 am

Nonstop5h 25m

$172

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

mié. 11/26

7:30 pm-11:45 pm

Nonstop6h 15m

Bangkok Suvarnabhumi

mar. 12/16

1:00 am-8:25 am

Nonstop5h 25m

$178

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

lun. 11/24

1:50 am-4:30 am

1 stop28h 40m

Ho Chi Minh City

vie. 12/5

2:40 am-9:50 am

Nonstop5h 10m

$232

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

mar. 12/9

1:50 am-10:40 am

1 stop10h 50m

Hanoi Noibai

mié. 12/17

8:15 pm-6:00 am

1 stop7h 45m

$238

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

mar. 12/9

5:25 pm-10:10 pm

Nonstop6h 45m

Phuket City

jue. 12/18

11:40 pm-7:35 am

Nonstop5h 55m

$285

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

lun. 11/24

5:00 pm-9:35 pm

Nonstop6h 35m

Phuket City

dom. 12/28

10:15 pm-6:35 am

Nonstop6h 20m

$288

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

jue. 3/5

11:15 pm-5:00 am

Nonstop6h 45m

Singapore Changi

lun. 3/9

10:40 am-6:25 pm

Nonstop6h 45m

$301

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

vie. 11/21

4:00 pm-8:55 pm

Nonstop6h 55m

Phuket City

mar. 11/25

10:15 pm-6:35 am

Nonstop6h 20m

$306

Flights are sorted by cheapest round-trip 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 month of September is, on average, the cheapest month to fly to Southeast Asia from Incheon Intl Airport, with most prices found around $158. If you don’t want to visit Southeast Asia in September, then you should wait until May to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $171.

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

The cheapest day to depart from Incheon Intl Airport to Southeast Asia is on a Monday when prices can be found for as low as $333. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $386. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

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

At noon 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 $249. Flying to Southeast Asia at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $362. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $248 when searching weeks out. 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 $221 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

4h 00m

Direct flights

Every day

Airports in Southeast Asia

2 airports
The fastest flight from Incheon Intl Airport to Southeast Asia takes 4h 00m
Direct flights go from Incheon Intl Airport to Southeast Asia every day.
There are 2 airports near Southeast Asia: Hanoi Noibai (HAN), Angeles City Clark Intl (CRK)
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 refresh daily.

  • 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 layovers. 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 required for your trip to Southeast Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Eastar JetPriceFrom $60Free CancellationRating
0.0
0 reviews
Search Eastar Jet flights
ScootPriceFrom $79Free CancellationRating
6.7
309 reviews
Search Scoot flights
AIR PREMIAPriceFrom $101Free CancellationRating
8.3
67 reviews
Search AIR PREMIA flights
Thai Vietjet AirPriceFrom $124Free CancellationRating
6.8
108 reviews
Search Thai Vietjet Air flights
AirAsiaPriceFrom $126Free CancellationRating
6.8
220 reviews
Search AirAsia flights
Air SeoulPriceFrom $129Free CancellationRating
0.0
0 reviews
Search Air Seoul flights
Philippines AirAsiaPriceFrom $130Free CancellationRating
6.6
114 reviews
Search Philippines AirAsia flights
Cebu PacificPriceFrom $130Free CancellationRating
6.8
202 reviews
Search Cebu Pacific flights
Vietnam AirlinesPriceFrom $142Free CancellationRating
7.6
212 reviews
Search Vietnam Airlines flights
Thai AirAsia XPriceFrom $153Free CancellationRating
0.0
0 reviews
Search Thai AirAsia X flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to Southeast Asia. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Southeast Asia from Seoul with this policy.

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

Once you have performed a search for Seoul to Southeast Asia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Seoul to Southeast Asia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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mié. 12/10
mié. 12/17
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