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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 5/13. 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.
Vietnam Airlines Logo
11:05 am - 5:05 pm
ICN
-
BKK
8h 00m1 stop
Vietnam Airlines Logo
10:15 pm - 4:35 pm
BKK
-
ICN
16h 20m1 stop
$162Vietnam Airlines
Wed, May 20 - Wed, May 27
Vietnam Airlines Logo
11:05 am - 5:05 pm
ICN
-
BKK
8h 00m1 stop
Vietnam Airlines Logo
7:05 pm - 5:50 am
BKK
-
ICN
8h 45m1 stop
$164Vietnam Airlines
Tue, Apr 21 - Sat, Apr 25
Vietnam Airlines Logo
11:05 am - 5:05 pm
ICN
-
BKK
8h 00m1 stop
Vietnam Airlines Logo
6:05 pm - 6:00 am
BKK
-
ICN
9h 55m1 stop
$165Vietnam Airlines
Sun, Apr 26 - Fri, May 1
VietJet Air Logo
9:15 pm - 12:45 am
ICN
-
SGN
5h 30mnonstop
VietJet Air Logo
2:40 am - 9:50 am
SGN
-
ICN
5h 10mnonstop
$223VietJet Air
Fri, Jan 9 - Sun, Jan 11
Jeju Air Logo
9:20 pm - 12:40 am
ICN
-
HAN
5h 20mnonstop
Jeju Air Logo
1:40 am - 8:05 am
HAN
-
ICN
4h 25mnonstop
$236Jeju Air
Wed, Jan 7 - Fri, Jan 9
VietJet Air Logo
6:25 am - 9:30 am
ICN
-
HAN
5h 05mnonstop
VietJet Air Logo
10:50 pm - 5:25 am
HAN
-
ICN
4h 35mnonstop
$239VietJet Air
Wed, Jan 28 - Sun, Feb 1
Jin Air Logo
9:25 pm - 12:25 am
ICN
-
CRK
4h 00mnonstop
Jin Air Logo
1:35 am - 6:30 am
CRK
-
ICN
3h 55mnonstop
$239Jin Air
Wed, Apr 15 - Sat, Apr 18
Jin Air Logo
9:25 pm - 12:25 am
ICN
-
CRK
4h 00mnonstop
Jin Air Logo
1:35 am - 6:30 am
CRK
-
ICN
3h 55mnonstop
$240Jin Air
Wed, Apr 15 - Sat, Apr 18
Jeju Air Logo
9:25 pm - 12:30 am
ICN
-
CRK
4h 05mnonstop
Jeju Air Logo
1:30 am - 6:20 am
CRK
-
ICN
3h 50mnonstop
$251Jeju Air
Mon, Feb 9 - Sun, Feb 15
Asiana Airlines Logo
4:30 pm - 8:55 pm
ICN
-
HKT
6h 25mnonstop
Asiana Airlines Logo
10:15 pm - 6:35 am
HKT
-
ICN
6h 20mnonstop
$278Asiana Airlines
Thu, Apr 16 - Sun, Apr 19

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
May 20
ICN11:05 amIncheon Intl
8h 00m
1 stop
BKK5:05 pmBangkok Suvarnabhumi
May 27
BKK10:15 pmBangkok Suvarnabhumi
16h 20m
1 stop
ICN4:35 pmIncheon Intl
$162
Find similar
Vietnam Airlines
Apr 21
ICN11:05 amIncheon Intl
8h 00m
1 stop
BKK5:05 pmBangkok Suvarnabhumi
Apr 25
BKK7:05 pmBangkok Suvarnabhumi
8h 45m
1 stop
ICN5:50 amIncheon Intl
$164
Find similar
Vietnam Airlines
Apr 26
ICN11:05 amIncheon Intl
8h 00m
1 stop
BKK5:05 pmBangkok Suvarnabhumi
May 1
BKK6:05 pmBangkok Suvarnabhumi
9h 55m
1 stop
ICN6:00 amIncheon Intl
$165
Find similar

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
Apr 21
ICN6:00 pmIncheon Intl
6h 05m
BKK10:05 pmBangkok Suvarnabhumi
Apr 22
BKK12:05 amBangkok Suvarnabhumi
5h 35m
ICN7:40 amIncheon Intl
$167
Find similar
T'way Air
May 11
ICN6:00 pmIncheon Intl
6h 05m
BKK10:05 pmBangkok Suvarnabhumi
May 15
BKK12:05 amBangkok Suvarnabhumi
5h 35m
ICN7:40 amIncheon Intl
$170
Find similar
T'way Air
May 17
ICN6:00 pmIncheon Intl
6h 05m
BKK10:05 pmBangkok Suvarnabhumi
May 27
BKK12:05 amBangkok Suvarnabhumi
5h 35m
ICN7:40 amIncheon Intl
$171
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 December 28, 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

Wed 5/20

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Wed 5/27

10:15 pm-4:35 pm

1 stop16h 20m

$162

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 4/21

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Sat 4/25

7:05 pm-5:50 am

1 stop8h 45m

$164

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 4/26

11:05 am-5:05 pm

1 stop8h 00m

Bangkok Suvarnabhumi

Fri 5/1

6:05 pm-6:00 am

1 stop9h 55m

$165

IncheonHo Chi Minh City

ICN - SGN

ICNSGN

Incheon Intl

Fri 1/9

9:15 pm-12:45 am

Nonstop5h 30m

Ho Chi Minh City

Sun 1/11

2:40 am-9:50 am

Nonstop5h 10m

$223

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Wed 1/7

9:20 pm-12:40 am

Nonstop5h 20m

Hanoi Noibai

Fri 1/9

1:40 am-8:05 am

Nonstop4h 25m

$236

IncheonHanoi

ICN - HAN

ICNHAN

Incheon Intl

Wed 1/28

6:25 am-9:30 am

Nonstop5h 05m

Hanoi Noibai

Sun 2/1

10:50 pm-5:25 am

Nonstop4h 35m

$239

IncheonAngeles City

ICN - CRK

ICNCRK

Incheon Intl

Wed 4/15

9:25 pm-12:25 am

Nonstop4h 00m

Angeles City Clark Intl

Sat 4/18

1:35 am-6:30 am

Nonstop3h 55m

$239

IncheonAngeles City

ICN - CRK

ICNCRK

Incheon Intl

Wed 4/15

9:25 pm-12:25 am

Nonstop4h 00m

Angeles City Clark Intl

Sat 4/18

1:35 am-6:30 am

Nonstop3h 55m

$240

IncheonAngeles City

ICN - CRK

ICNCRK

Incheon Intl

Mon 2/9

9:25 pm-12:30 am

Nonstop4h 05m

Angeles City Clark Intl

Sun 2/15

1:30 am-6:20 am

Nonstop3h 50m

$251

IncheonPhuket City

ICN - HKT

ICNHKT

Incheon Intl

Thu 4/16

4:30 pm-8:55 pm

Nonstop6h 25m

Phuket City

Sun 4/19

10:15 pm-6:35 am

Nonstop6h 20m

$278

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 $157. 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 $300. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $366. 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?

In the evening 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 $296. Flying to Southeast Asia in the evening 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 $334. 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 Singapore Changi 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 $242 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 $216 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 15m

Direct flights

Every day

Airports in Southeast Asia

295 airports
The fastest flight from Incheon Intl Airport to Southeast Asia takes 4h 15m
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 Manila Ninoy Aquino Intl (MNL), 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
313 reviews
Search Scoot flights
AIR PREMIAPriceFrom $101Free CancellationRating
8.3
73 reviews
Search AIR PREMIA flights
Thai AirAsia XPriceFrom $104Free CancellationRating
0.0
0 reviews
Search Thai AirAsia X flights
Thai Vietjet AirPriceFrom $124Free CancellationRating
6.8
110 reviews
Search Thai Vietjet Air flights
Philippines AirAsiaPriceFrom $129Free CancellationRating
6.6
118 reviews
Search Philippines AirAsia flights
Air SeoulPriceFrom $129Free CancellationRating
0.0
0 reviews
Search Air Seoul flights
Vietnam AirlinesPriceFrom $138Free CancellationRating
7.6
215 reviews
Search Vietnam Airlines flights
AirAsiaPriceFrom $152Free CancellationRating
6.8
223 reviews
Search AirAsia flights
Batik AirPriceFrom $159Free CancellationRating
5.9
77 reviews
Search Batik Air 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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