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฿1,728+ Cheap flights from South Korea

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. 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
31 May — 7 Jun1
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 1 May 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

Tue 26/5

21:45-01:50

1 stop30h 05m

Bangkok Suvarnabhumi

Tue 9/6

02:50-15:45

1 stop10h 55m

฿8,445

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 13/8

16:45-01:50

1 stop11h 05m

Bangkok Suvarnabhumi

Wed 19/8

02:50-20:45

1 stop15h 55m

฿9,326

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 6/6

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 7/6

01:10-08:55

Nonstop5h 45m

฿9,587

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 17/5

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 21/5

01:10-08:55

Nonstop5h 45m

฿10,010

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 22/8

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 31/8

01:10-08:55

Nonstop5h 45m

฿10,337

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 29/8

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 3/9

01:10-08:55

Nonstop5h 45m

฿10,434

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 17/5

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Tue 19/5

22:45-06:15

Nonstop5h 30m

฿10,891

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 11/5

08:30-21:55

2 stops15h 25m

Bangkok Suvarnabhumi

Tue 12/5

02:10-11:55

1 stop7h 45m

฿10,891

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 15/5

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Sun 17/5

22:45-06:15

Nonstop5h 30m

฿10,891
Fastest return journey

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Mon 25/5

17:20-20:45

Nonstop5h 25m

Chiang Mai

Thu 4/6

21:45-05:05

Nonstop5h 20m

฿10,956

Flights are sorted by cheapest return flights first.

Deals found on 26/4

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.

When is the best time to book a flight from South Korea?

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from South Korea (average of ฿5,185). Flying from South Korea in October will prove the most costly (average of ฿9,717). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 ฿1,601. Explore other affordable destinations below.

Seoul
Seoul
From ฿1,601

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
8.1
Very Good
Check prices

Overall

8.1

Crew

8.8

Comfort

8.0

Entertainment

6.8

Boarding

8.0

Food

7.1

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.1
Very Good
AIR PREMIA
8.1
Very Good
Check prices

Overall

8.1

Crew

8.8

Comfort

8.0

Entertainment

6.8

Boarding

8.0

Food

7.1

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

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

Browse thousands of different options on Cheapflights for your next trip

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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 1 May 2026.

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

    Busan Gimhae airport offers the cheapest routes to Bangkok, from ฿8,217; whereas Incheon Intl airport is typically cheaper if you're flying to Bangkok, from ฿8,380. 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 September; with October 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 Busan to Bangkok from ฿8,217
    Fly from Seoul to Chiang Mai from ฿8,380
    Fly from Seoul to Phuket City from ฿8,511

  • 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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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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