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฿1,808+ Cheap flights from South Korea

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 28/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ICN — BKK
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from South Korea within your budget

 
Find flights departing from South Korea that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 March 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 18/9

00:05-07:40

Nonstop5h 35m

฿6,968

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 6/5

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 12/5

01:10-08:55

Nonstop5h 45m

฿8,217

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 15/6

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 28/6

01:10-08:55

Nonstop5h 45m

฿8,315

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 1/6

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 29/6

00:05-07:40

Nonstop5h 35m

฿8,480

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Thu 11/6

12:05-15:50

Nonstop5h 45m

Bangkok Don Mueang Intl

Sat 13/6

02:45-10:35

Nonstop5h 50m

฿8,512

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 6/5

00:10-17:20

1 stop19h 10m

Bangkok Suvarnabhumi

Thu 14/5

06:00-21:15

1 stop13h 15m

฿8,611

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Sat 6/6

12:05-15:50

Nonstop5h 45m

Bangkok Don Mueang Intl

Fri 12/6

02:45-10:35

Nonstop5h 50m

฿8,644

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 4/7

21:15-01:05

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 9/7

02:35-10:15

Nonstop5h 40m

฿8,742

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 27/6

21:15-01:05

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 4/7

02:35-10:15

Nonstop5h 40m

฿8,841

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 7/6

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 20/6

00:05-07:40

Nonstop5h 35m

฿8,874

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from South Korea

Have a flexible travel schedule? Discover the best time to fly from South Korea 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.

Travel insights for flights from South Korea

Get recent, data-driven insights about flights from South Korea including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from South Korea?

Currently, November is the cheapest month in which you can book a flight from South Korea (average of ฿3,089). Flying from South Korea in December will prove the most costly (average of ฿4,240). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from South Korea?

Many airlines operate round-trip flights from South Korea: Thai AirAsia X, T'way Air, Air Busan. These airlines fly to the following popular destinations: Bangkok.

Jeju Air
Jeju Air
From ฿10,073
China Eastern
China Eastern
From ฿12,313
Thai AirAsia X
Thai AirAsia X
From ฿2,946
China Southern
China Southern
From ฿17,902

What is the cheapest place to fly to from South Korea?

The cheapest city to fly to from South Korea is Seoul, with prices starting at ฿1,614. Explore other affordable destinations below.

Seoul
Seoul
From ฿1,614
Osaka
Osaka
From ฿1,892

Airline reviews for flights from South Korea

Get insights into the airlines that provide service from South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from South Korea. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Read reviews from past customers who have flown AIR PREMIA from South Korea. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.2
Very Good
Check prices

Overall

8.2

Boarding

8.1

Entertainment

7.0

Crew

8.9

Comfort

8.3

Food

7.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.2
Very Good
AIR PREMIA
8.2
Very Good
Check prices

Overall

8.2

Boarding

8.1

Entertainment

7.0

Crew

8.9

Comfort

8.3

Food

7.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!

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Direct flights from Asia

Book a direct flight from one of these other cities located in Asia.
Direct flights from Busan

Related info for your journey

Access useful and relevant information related to your journey from South Korea. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 March 2026.

  • Which is the cheapest airport to catch a flight from South Korea?

    Incheon Intl airport offers the cheapest routes to Bangkok, from ฿5,456; whereas Busan Gimhae airport is typically cheaper if you're flying to Bangkok, from ฿5,949. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from South Korea?

    At the present moment the cheapest month to fly from South Korea is currently November; with December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from South Korea?

    Here are some of the cheapest flight destinations from South Korea:
    Fly from Seoul to Phuket City from ฿5,456
    Fly from Seoul to Chiang Mai from ฿5,653
    Fly from Busan to Bangkok from ฿5,949

  • How does Cheapflights help users find flights from South Korea?

    Cheapflights helps you search for flights from South Korea via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from South Korea?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from South Korea for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from South Korea with no change fees?

    Need flexible booking options for your flight from South Korea ? 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 South Korea become cheaper?

    Yes! Start tracking prices for flights from South Korea 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 the alerts.

See more FAQs

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 South Korea?

Cheapflights helps you search for flights from South Korea via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from South Korea?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from South Korea for you. Better yet — we are completely free to use.

Can Cheapflights find flights from South Korea with no change fees?

Need flexible booking options for your flight from South Korea ? 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 South Korea become cheaper?

Yes! Start tracking prices for flights from South Korea 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 the alerts.

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