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Cheap flights from Incheon Intl Airport to Southeast Asia from C$ 137

ICN — BKK
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Incheon Intl to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to Southeast Asia

Sat 10/107:05 p.m. -
Nonstop4h 15m
Wed 14/1011:20 p.m. -
Nonstop4h 10m
Deal found 21/9C$ 307
Sun 27/98:05 p.m. -
Nonstop6h 05m
Wed 30/91:10 a.m. -
Nonstop5h 45m
Deal found 20/9C$ 313
Fri 9/107:05 p.m. -
Nonstop4h 15m
Wed 14/1011:20 p.m. -
Nonstop4h 10m
Deal found 22/9C$ 318
Sat 26/97:05 p.m. -
Nonstop4h 15m
Wed 7/1011:20 p.m. -
Nonstop4h 10m
Deal found 20/9C$ 321
Sat 10/107:05 p.m. -
Nonstop4h 15m
Fri 16/1011:20 p.m. -
Nonstop4h 10m
Deal found 21/9C$ 331
Thu 15/107:05 p.m. -
Nonstop4h 15m
Wed 21/1011:20 p.m. -
Nonstop4h 10m
Deal found 17/9C$ 332
Mon 5/107:05 p.m. -
Nonstop4h 15m
Fri 9/1011:20 p.m. -
Nonstop4h 10m
Deal found 22/9C$ 334
Tue 29/98:05 p.m. -
Nonstop6h 05m
Sat 3/101:10 a.m. -
Nonstop5h 45m
Deal found 18/9C$ 338
Mon 5/107:05 p.m. -
Nonstop4h 15m
Tue 6/1011:20 p.m. -
Nonstop4h 10m
Deal found 18/9C$ 341
Tue 29/98:05 p.m. -
Nonstop6h 05m
Wed 30/91:10 a.m. -
Nonstop5h 45m
Deal found 21/9C$ 341
Mon 5/107:05 p.m. -
Nonstop4h 15m
Thu 8/1011:20 p.m. -
Nonstop4h 10m
Deal found 18/9C$ 342
Wed 11/115:05 p.m. -
Nonstop6h 20m
Tue 17/1110:25 p.m. -
Nonstop5h 55m
Deal found 19/9C$ 342

Find flight deals from Incheon Intl to Southeast Asia

Round-trip from

C$ 307

One-way from

C$ 137

Popular in

April

Cheapest in

February

Average price

C$ 336
Jeju Air
  • Jeju Air
  • 10/10-14/10
  • Nonstop
  • 8h 25m total
  • Incheon to Southeast Asia
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Jeju Air
  • Jeju Air
  • 5/10-31/12
  • Nonstop
  • 4h 15m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 round-trip

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Sun 11/10

8:05 p.m.-12:10 a.m.

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 158
Quickest round-trip

IncheonManila

ICN Incheon Intl - MNL Manila Ninoy Aquino Intl

ICNMNL

Incheon Intl

Sun 27/9

7:05 p.m.-10:20 p.m.

Nonstop4h 15m

Manila Ninoy Aquino Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 174

IncheonManila

ICN Incheon Intl - MNL Manila Ninoy Aquino Intl

ICNMNL

Incheon Intl

Sun 22/11

6:35 p.m.-10:20 p.m.

Nonstop4h 45m

Manila Ninoy Aquino Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 175

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Tue 16/3

7:50 p.m.-12:10 a.m.

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 181

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Mon 16/11

7:50 p.m.-12:10 a.m.

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 181

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Sat 28/11

7:50 p.m.-12:10 a.m.

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 184

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Fri 16/10

8:05 p.m.-12:10 a.m.

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 186

IncheonManila

ICN Incheon Intl - MNL Manila Ninoy Aquino Intl

ICNMNL

Incheon Intl

Mon 9/11

6:35 p.m.-10:20 p.m.

Nonstop4h 45m

Manila Ninoy Aquino Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 191

IncheonManila

ICN Incheon Intl - MNL Manila Ninoy Aquino Intl

ICNMNL

Incheon Intl

Sun 22/11

7:30 a.m.-9:15 p.m.

1 stop14h 45m

Manila Ninoy Aquino Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 234

IncheonBangkok

ICN Incheon Intl - BKK Bangkok Suvarnabhumi

ICNBKK

Incheon Intl

Sat 24/10

8:05 p.m.-12:10 a.m.

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 254

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 48 resultsSorted by cheapest first
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Best time to book a flight from Incheon Intl to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Incheon Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to Southeast Asia

What is the cheapest month to book a flight from Incheon Intl Airport to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of C$ 325). Flying from Incheon Intl Airport to Southeast Asia in February is currently the most expensive (average of C$ 454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ICN to YJX?

It’s optimal to fly from Incheon Intl Airport to Southeast Asia in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Incheon Intl Airport to Southeast Asia

The most flights from ICN to zzYJX are scheduled on a Friday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (44 on average).

How far ahead should I book a flight from Incheon Intl Airport to Southeast Asia?

To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to Southeast Asia, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines operating flights from Incheon Intl Airport to Southeast Asia, such as Korean Air,Jeju Air, andPhilippine Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,218 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,218 reviews
Korean Air
8.4
Very good
1,218 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Jeju Air
7.6
Good
38 reviews
Korean Air
8.4
Very good
1,218 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Philippine Airlines
7.3
Good
1,027 reviews
Korean Air
8.4
Very good
1,218 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
VietJet Air
5.6
Fair
174 reviews
Korean Air
8.4
Very good
1,218 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

  • How long is the flight from Incheon Intl Airport to Southeast Asia?

    Jeju Air, Trinity Airways (Formerly T'way Air), and Philippine Airlines can get you from Incheon Intl Airport to Southeast Asia in just under 4h 15m. Your travel time will be generally consistent. The distance between Incheon Intl Airport and Southeast Asia is about 2606 km. Most flights are nonstop.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Southeast Asia one-way?

    The cheapest airline one-way is Philippines AirAsia, with whom users have recently found tickets for as low as C$ 86. However, be on the lookout for offers from VietJet Air and Jeju Air, as they are both options that can get you from Incheon Intl Airport to Southeast Asia for a low price.

  • What are the most reliable airlines from Incheon Intl Airport to Southeast Asia?

    Consider Kuwait Airways (97%), Ethiopian Air (97%) or EL AL (96%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to Southeast Asia.

  • What are the cheapest flights from Incheon Intl Airport to Southeast Asia?

    The cheapest flight price from Incheon Intl Airport to Southeast Asia is C$ 119. On average you can expect to pay C$ 249. The most popular route, (Incheon Intl - Manila Ninoy Aquino Intl), can usually be booked for C$ 299.

  • Can I find deals for flights from Incheon Intl to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Southeast Asia.

  • Can I find deals for business class flights from Incheon Intl to Southeast Asia?

    Yes. Cheapflights offers flight deals from Incheon Intl to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Incheon Intl Airport to Southeast Asia?

    Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of C$ 325). Flying from Incheon Intl Airport to Southeast Asia in February is currently the most expensive (average of C$ 454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Incheon Intl to Southeast Asia

AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapestC$ 107AverageC$ 327FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Cebu PacificCheapestC$ 216AverageC$ 289FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
Philippine AirlinesCheapestC$ 261AverageC$ 359FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Korean AirCheapestC$ 398AverageC$ 402FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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When you search for this flight from Incheon Intl to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Southeast Asia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Incheon Intl.

Can Cheapflights find flights from Incheon Intl to Southeast Asia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Incheon Intl to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Incheon Intl to Southeast Asia become cheaper?

Yes! Start tracking prices for Incheon Intl to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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