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Cheap flights from Incheon Intl Airport to Southeast Asia from C$ 120

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
17 Jan — 24 Jan1
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
Explore the most affordable flight options available from Incheon Intl to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Thu 18/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Wed 24/121:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 373
Thu 18/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Thu 25/121:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 375
Sun 21/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Thu 25/121:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 378
Thu 18/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Mon 22/121:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 387
Sun 21/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Thu 1/11:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 390
Sun 21/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Mon 22/121:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 391
Fri 19/1212:10 p.m.ICN - BKK
Nonstop6h 10mThai Vietjet Air
Fri 26/122:25 a.m.BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 17/12C$ 393
Tue 23/125:05 p.m.ICN - BKK
Nonstop6h 20mEastar Jet
Wed 7/110:25 p.m.BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 16/12C$ 402
Thu 18/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Sat 20/121:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 404
Thu 18/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Thu 1/11:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 405
Thu 18/1212:10 p.m.ICN - BKK
Nonstop6h 10mThai Vietjet Air
Sat 27/122:25 a.m.BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 17/12C$ 409
Sun 21/127:30 p.m.ICN - BKK
Nonstop6h 15mJeju Air
Mon 29/121:00 a.m.BKK - ICN
Nonstop5h 25mJeju Air
Deal found 16/12C$ 411

Find flight deals from Incheon Intl to Southeast Asia

Keep the following information in mind while searching for Incheon Intl to Southeast Asia flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 249

One-way from

C$ 120

Popular in

October

Cheapest in

June

Average price

C$ 342
Philippines AirAsia
  • Philippines AirAsia
  • 4/3-18/3
  • Nonstop
  • 8h 10m total
  • Incheon to Southeast Asia
Search Deals
Thai Vietjet Air
  • Thai Vietjet Air
  • 30/3
  • Nonstop
  • 5h 50m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl 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, Cheapflights users made 629,999 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Southeast Asia that are best for you.

Fly from

Incheon Intl

Fly to

Southeast Asia

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 8/3

5:05 p.m.-9:25 p.m.

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 20/3

10:25 p.m.-6:20 a.m.

Nonstop5h 55m

C$ 260

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Tue 24/3

6:05 p.m.-10:20 p.m.

Nonstop5h 15m

Manila Ninoy Aquino Intl

Tue 31/3

11:20 p.m.-4:30 a.m.

Nonstop4h 10m

C$ 280

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 31/3

11:05 a.m.-5:05 p.m.

1 stop8h 00m

Bangkok Suvarnabhumi

Sun 5/4

6:05 p.m.-6:00 a.m.

1 stop9h 55m

C$ 280

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 4/4

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

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 7/4

1:10 a.m.-8:55 a.m.

Nonstop5h 45m

C$ 288

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sat 28/3

7:10 p.m.-10:45 p.m.

Nonstop4h 35m

Manila Ninoy Aquino Intl

Mon 30/3

11:20 p.m.-4:30 a.m.

Nonstop4h 10m

C$ 293

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 1/2

12:10 p.m.-4:20 p.m.

Nonstop6h 10m

Bangkok Suvarnabhumi

Wed 11/2

2:25 a.m.-9:55 a.m.

Nonstop5h 30m

C$ 316

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 3/3

5:05 p.m.-9:25 p.m.

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 16/3

10:25 p.m.-6:20 a.m.

Nonstop5h 55m

C$ 331

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 22/2

5:05 p.m.-9:25 p.m.

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 3/3

10:25 p.m.-6:20 a.m.

Nonstop5h 55m

C$ 331

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sat 16/5

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

Nonstop4h 15m

Manila Ninoy Aquino Intl

Tue 19/5

11:20 p.m.-4:30 a.m.

Nonstop4h 10m

C$ 336

IncheonManila

ICN - MNL

ICNMNL

Incheon Intl

Sun 8/3

7:35 a.m.-10:35 a.m.

Nonstop4h 00m

Manila Ninoy Aquino Intl

Thu 2/4

11:45 p.m.-5:00 a.m.

Nonstop4h 15m

C$ 338

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 45 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of C$ 132). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of C$ 241). 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?

Find hourly flight availability from Incheon Intl to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

It’s optimal to fly from Incheon Intl Airport to Southeast Asia in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Incheon Intl Airport to Southeast Asia

Explore weekly flight availability from Incheon Intl to Southeast Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 December 2025.

The most flights from ICN to zzYJX are scheduled on a Wednesday (46 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (44 on average).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 18 December 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to Southeast Asia, such as Korean Air,Garuda Indonesia, andJeju Air. 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
1,186 reviews
Check prices

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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!!
Garuda Indonesia
8.0
Very good
86 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
36 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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!!
Cebu Pacific
6.8
Okay
204 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
153 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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

Find useful and relevant information for your journey from Incheon Intl to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Eastar Jet, Jeju Air, and Vietnam Airlines can get you from Incheon Intl Airport to Southeast Asia in just under 5h 15m. Your travel time can differ by up to 2h 45m. The distance between Incheon Intl Airport and Southeast Asia is about 2606 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airline one-way is Cebu Pacific, with whom users have recently found tickets for as low as C$ 65. However, be on the lookout for offers from Philippines AirAsia and VietJet 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 (92%), Air Busan (91%) or AIR PREMIA (91%) 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$ 294. The most popular route, (Incheon Intl - Bangkok Suvarnabhumi), can usually be booked for C$ 426.

  • 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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of C$ 132). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of C$ 241). 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

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Top 8 airlines flying from Incheon Intl to Southeast Asia

Discover the top 8 airlines that operate flights from Incheon Intl to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapestC$ 96AverageC$ 201FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
VietJet AirCheapestC$ 162AverageC$ 272FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Philippines AirAsiaCheapestC$ 167AverageC$ 300FlexibilityNo cancel feeOn-time53%
Search Philippines AirAsia flights
Cebu PacificCheapestC$ 169AverageC$ 290FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
Thai AirAsia XCheapestC$ 183AverageC$ 321FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Vietnam AirlinesCheapestC$ 261AverageC$ 288FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jeju AirCheapestC$ 265AverageC$ 267FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Korean AirCheapestC$ 370AverageC$ 530FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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How does Cheapflights help users find flights from Incheon Intl to Southeast Asia?

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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