S$ 25+ Cheap Flights from South Korea | Cheapflights

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IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 21-9

18:05-19:25

Nonstop1h 20m

Jeju City

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 25

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 19-10

18:05-19:25

Nonstop1h 20m

Jeju City

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 29

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 28-9

18:05-19:25

Nonstop1h 20m

Jeju City

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 37

IncheonHong Kong

ICN Incheon Intl - HKG Hong Kong Intl

ICNHKG

Incheon Intl

Wed 18-11

20:10-23:35

Nonstop4h 25m

Hong Kong Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

S$ 113

BusanSingapore

PUS Busan Gimhae - SIN Singapore Changi

PUSSIN

Busan Gimhae

Thu 5-11

17:45-23:25

Nonstop6h 40m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 132

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Fri 18-9

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 21-9

15:55-17:10

Nonstop1h 15m

S$ 133

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 12-10

18:05-19:25

Nonstop1h 20m

Jeju City

Sat 17-10

15:55-17:10

Nonstop1h 15m

S$ 136

BusanSingapore

PUS Busan Gimhae - SIN Singapore Changi

PUSSIN

Busan Gimhae

Sun 13-9

17:40-23:25

Nonstop6h 45m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 141

BusanSingapore

PUS Busan Gimhae - SIN Singapore Changi

PUSSIN

Busan Gimhae

Tue 15-9

17:40-23:25

Nonstop6h 45m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 142

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Mon 21-9

18:05-19:25

Nonstop1h 20m

Jeju City

Fri 25-9

15:55-17:10

Nonstop1h 15m

S$ 149

Flights are sorted by cheapest return flights first.

Deals found on 5-9

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.

ICN-CJU

ICN-HKG

PUS-SIN

ICN-SIN

ICN-FUK

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.

KR0-SIN

ICN-CJU

ICN-HKG

PUS-SIN

ICN-SIN

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

Currently, April is the cheapest month in which you can book a flight from South Korea (average of S$ 351). Flying from South Korea in December will prove the most costly (average of S$ 619). 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 Busan Gimhae, with prices starting at S$ 21. Explore other affordable destinations below.

Busan Gimhae

Seoul

Osaka

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

The price you pay for your flight from South Korea may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

When is the cheapest time to fly from South Korea?

Those who are seeking the cheapest fare on flights departing from South Korea would be wise to consider leaving during Sunday mornings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Tuesday at midday when fares are usually the most expensive.

Airline reviews for flights from South Korea

Check out reviews from past customers who have flown Korean Air,Singapore Airlines, andJeju Air from South Korea to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

8.4

Very Good

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!!

8.4

Very Good

8.4

Very Good

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!!

Singapore Airlines

8.2

Very Good

8.4

Very Good

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!!

7.6

Good

8.4

Very Good

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!!

6.7

Okay

8.4

Very Good

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!!

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Related info for your journey

What is the cheapest airport to fly out of South Korea?
The cheapest routes to Singapore can be found at Incheon Intl airport from S$ 319. While Busan Gimhae airport is usually cheaper if your destination is Singapore with prices starting at S$ 327. Reference our flight search to find the best deals in real time.
What is the cheapest month to fly from South Korea?
Currently, the cheapest month for flights from South Korea is April. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.
Where are the cheapest places to fly to from South Korea?
View the cheapest flight destinations from South Korea:
Fly from Seoul to Singapore from S$ 319 round trip
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?
Millions of users choose and trust Cheapflights to book the best flight deals from South Korea for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from South Korea with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from South Korea, users can toggle the no change fees filter when performing a flight search.
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

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?

Millions of users choose and trust Cheapflights to book the best flight deals from South Korea for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from South Korea, users can toggle the no change fees filter when performing a flight search.

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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