Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Incheon Intl Airport to Southeast Asia from $111

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find 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 17 October 2025.

Thu 16/1020:05ICN - BKK
Nonstop5h 50mJeju Air
Fri 24/1001:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 15/10$214
Mon 24/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Thu 27/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 15/10$229
Sat 22/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Tue 25/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 16/10$231
Thu 16/1020:05ICN - BKK
Nonstop5h 50mJeju Air
Sun 26/1001:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 15/10$242
Thu 16/1020:05ICN - BKK
Nonstop5h 50mJeju Air
Sat 25/1001:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 15/10$246
Sat 18/1019:55ICN - BKK
Nonstop5h 50mJin Air
Mon 3/1122:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 16/10$257
Sat 18/1020:05ICN - BKK
Nonstop5h 50mJeju Air
Fri 24/1001:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 16/10$259
Fri 21/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Mon 24/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 16/10$265
Sat 18/1019:55ICN - BKK
Nonstop5h 50mJin Air
Tue 28/1022:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 14/10$268
Fri 17/1019:55ICN - BKK
Nonstop5h 50mJin Air
Sat 1/1122:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 15/10$269
Mon 20/1020:05ICN - BKK
Nonstop5h 50mJeju Air
Mon 27/1001:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 15/10$279
Mon 10/1107:35ICN - DPS
1 stop16h 10mMultiple Airlines
Mon 24/1115:30DPS - ICN
1 stop13h 50mMultiple Airlines
Deal found 15/10$345

Cheap 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 17 October 2025.

Round-trip from

$229

One-way from

$111

Popular in

January

Cheapest in

September

Average price

$471
T'way Air
  • T'way Air
  • 24/11-26/11
  • Nonstop
  • 11h 50m total
  • Incheon to Southeast Asia
Search Deals
T'way Air
  • T'way Air
  • 24/11
  • Nonstop
  • 6h 20m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($215 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 17 October 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

Wed 19/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 26/11

01:30-09:00

Nonstop5h 30m

$285

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 23/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 27/11

01:30-09:00

Nonstop5h 30m

$293

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 2/3

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 5/3

01:30-09:00

Nonstop5h 30m

$302

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 20/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 24/11

01:30-09:00

Nonstop5h 30m

$337

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 30/11

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Sat 6/12

22:55-06:35

Nonstop5h 40m

$376

IncheonDenpasar

ICN - DPS

ICNDPS

Incheon Intl

Tue 28/10

15:35-21:50

Nonstop7h 15m

Denpasar Bali Ngurah Rai

Wed 5/11

23:05-07:10

Nonstop7h 05m

$377

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 7/12

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Tue 9/12

01:00-08:25

Nonstop5h 25m

$393

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 22/11

00:10-10:15

1 stop12h 05m

Bangkok Suvarnabhumi

Sun 25/1

08:45-20:55

1 stop10h 10m

$406

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 21/11

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Sat 22/11

01:00-08:25

Nonstop5h 25m

$411

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 30/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Sat 6/12

01:30-09:00

Nonstop5h 30m

$411

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 44 results
1
2
3
...
5

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 return 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, June is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $157). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of $248). 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 17 October 2025.

A simple way to save on the total cost of your ticket is to fly from Incheon Intl Airport to Southeast Asia at midday. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking 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 17 October 2025.

The most flights from ICN to zzYJX are scheduled on a Wednesday (40 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (34 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 17 October 2025.
Get a feel of what it's like to fly with Asiana Airlines, Cebu Pacific, andVietJet Air from Incheon Intl Airport to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Entertainment

7.8

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Asiana Airlines
8.2
Very Good
486 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Entertainment

7.8

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Cebu Pacific
6.8
Okay
201 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Entertainment

7.8

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
VietJet Air
5.5
Fair
149 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Entertainment

7.8

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

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?

    There are many flights that can get you from Incheon Intl Airport to Southeast Asia in 6h 10m. Fly via T'way Air, AIR PREMIA, or Jeju Air to get the fastest option. The distance from Incheon Intl Airport to Southeast Asia is about 3663 km. Most flights are nonstop.

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

    Consider Oman Air (99%), T'way Air (97%) or Turkish Airlines (97%) 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?

    Looking for the cheapest flight from Incheon Intl Airport to Southeast Asia? While on average our users pay $326, our data indicates the cheapest price to be $98. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $354.

  • 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 holiday 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, June is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $157). Flying from Incheon Intl Airport to Southeast Asia in January is currently the most expensive (average of $248). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Incheon Intl to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Suvarnabhumi flights
Incheon Intl to Narita flights
Incheon Intl to Taiwan Taoyuan Intl flights
Incheon Intl to Denpasar flights
Incheon Intl to Hong Kong flights

Top 4 airlines flying from Incheon Intl to Southeast Asia

Discover the top 4 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 647,157 searches. Data last updated 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Cebu PacificCheapest$233Average$287FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
Thai AirAsia XCheapest$262Average$295FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Korean AirCheapest$400Average$762FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapest$441Average$441FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Incheon Intl to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Southeast Asia from Incheon Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Southeast Asia from Incheon Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Incheon Intl to Southeast Asia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.