Find flights
Deals
When to book
FAQs

Cheap flights from Incheon Intl Airport to Southeast Asia from $174

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BKK
20 Jun — 27 Jun1
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 21 May 2026.

Wed 27/515:30
ICN
-
BKK
1 stop12h 20m
Shandong Airlines
Sun 7/602:50
BKK
-
ICN
1 stop10h 55m
Shandong Airlines
Deal found 20/5$358
Tue 26/514:00
ICN
-
BKK
1 stop13h 50m
Shandong Airlines
Fri 5/602:25
BKK
-
ICN
1 stop19h 25m
Shandong Airlines
Deal found 18/5$359
Sat 20/621:45
ICN
-
BKK
1 stop30h 05m
Shandong Airlines
Tue 7/702:25
BKK
-
ICN
1 stop30h 20m
Shandong Airlines
Deal found 17/5$376
Mon 25/522:15
ICN
-
BKK
1 stop29h 10m
Shandong Airlines
Fri 5/602:25
BKK
-
ICN
1 stop19h 25m
Shandong Airlines
Deal found 17/5$387
Tue 26/508:35
ICN
-
BKK
1 stop18h 50m
Multiple Airlines
Wed 3/621:55
BKK
-
ICN
2 stops15h 00m
Multiple Airlines
Deal found 20/5$398
Mon 1/616:45
ICN
-
BKK
1 stop11h 05m
Shandong Airlines
Sun 14/602:25
BKK
-
ICN
1 stop18h 15m
Shandong Airlines
Deal found 20/5$414
Sun 31/521:45
ICN
-
BKK
1 stop30h 05m
Shandong Airlines
Mon 8/602:50
BKK
-
ICN
1 stop17h 05m
Shandong Airlines
Deal found 18/5$417
Thu 25/608:35
ICN
-
BKK
1 stop18h 50m
Shandong Airlines
Mon 6/702:50
BKK
-
ICN
1 stop9h 40m
Shandong Airlines
Deal found 17/5$432
Tue 9/623:40
ICN
-
BKK
1 stop27h 45m
Shandong Airlines
Sun 21/602:50
BKK
-
ICN
1 stop9h 40m
Shandong Airlines
Deal found 18/5$433
Fri 26/616:45
ICN
-
BKK
1 stop11h 05m
Shandong Airlines
Fri 10/702:25
BKK
-
ICN
1 stop19h 25m
Shandong Airlines
Deal found 18/5$435
Sun 4/1000:10
ICN
-
DPS
1 stop19h 20m
Malaysia Airlines
Sat 7/1119:15
DPS
-
ICN
1 stop24h 40m
Malaysia Airlines
Deal found 16/5$529
Tue 6/1011:00
ICN
-
DPS
1 stop32h 30m
Malaysia Airlines
Wed 4/1116:25
DPS
-
ICN
1 stop27h 30m
Malaysia Airlines
Deal found 16/5$532

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 21 May 2026.

Round-trip from

$359

One-way from

$174

Popular in

April

Cheapest in

September

Average price

$366
Shandong Airlines
  • Shandong Airlines
  • 11/6-12/6
  • 2 total stops
  • 32h 05m total
  • Incheon to Southeast Asia
Search Deals
Shandong Airlines
  • Shandong Airlines
  • 11/6
  • 1 total stop
  • 11h 05m total
  • Incheon to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 21 May 2026.
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 return flight

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 12/6

16:20-00:40

1 stop10h 20m

Bangkok Suvarnabhumi

Wed 17/6

02:10-15:10

1 stop11h 00m

$455

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 10/6

12:15-01:10

1 stop14h 55m

Bangkok Suvarnabhumi

Thu 18/6

02:10-13:30

1 stop9h 20m

$455

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 6/9

08:35-01:25

1 stop18h 50m

Bangkok Suvarnabhumi

Wed 16/9

02:50-14:30

1 stop9h 40m

$456

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/6

15:55-04:05

2 stops14h 10m

Bangkok Suvarnabhumi

Wed 10/6

02:10-15:20

1 stop11h 10m

$466

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 5/6

12:15-22:15

2 stops12h 00m

Bangkok Suvarnabhumi

Tue 9/6

05:05-17:25

1 stop10h 20m

$466

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 4/6

12:00-21:55

2 stops11h 55m

Bangkok Suvarnabhumi

Mon 8/6

02:10-14:55

2 stops10h 45m

$476

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 18/6

08:30-22:15

3 stops15h 45m

Bangkok Suvarnabhumi

Sat 20/6

02:10-18:30

1 stop14h 20m

$487
Fastest return journey

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 12/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 21/10

00:05-07:40

Nonstop5h 35m

$504

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 11/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 14/10

00:05-07:40

Nonstop5h 35m

$505

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 1/9

14:15-04:05

2 stops15h 50m

Bangkok Suvarnabhumi

Thu 3/9

02:10-21:05

2 stops16h 55m

$511

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 43 resultsSorted by cheapest first
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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $285). Flying from Incheon Intl Airport to Southeast Asia in February is currently the most expensive (average of $452). 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 21 May 2026.

A simple way to save on the total cost of your ticket is to fly from Incheon Intl Airport to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the afternoon.

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 21 May 2026.

The most flights from ICN to zzYJX are scheduled on a Monday (29 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 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 82 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.

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 14h 05m. Fly via China Eastern, Shandong Airlines, or Malaysia Airlines to get the fastest option. The distance from Incheon Intl Airport to Southeast Asia is about 3663 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?

    One-way options have recently been found by users for as low as $78 on Philippines AirAsia. Other airlines that offer cheap prices include Cebu Pacific from $91 and Thai AirAsia X from $91 one-way.

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

    Consider Air Busan (100%), AIR PREMIA (96%) or Kuwait Airways (95%) 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 $643, our data indicates the cheapest price to be $231. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around $964.

  • 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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Southeast Asia (average of $285). Flying from Incheon Intl Airport to Southeast Asia in February is currently the most expensive (average of $452). 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 Taiwan Taoyuan Intl flights
Incheon Intl to Denpasar flights
Incheon Intl to Hong Kong flights
Incheon Intl to Narita 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.