S$ 25+ Cheap Flights from Seoul | Cheapflights

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Route

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Return

Price

Cheapest return flight

Fastest return journey

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 28-9

18:05-19:25

Nonstop1h 20m

Jeju City

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 37

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$ 38

IncheonHong Kong

ICN Incheon Intl - HKG Hong Kong Intl

ICNHKG

Incheon Intl

Sat 12-9

20:40-23:35

Nonstop3h 55m

Hong Kong Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

S$ 111

IncheonHong Kong

ICN Incheon Intl - HKG Hong Kong Intl

ICNHKG

Incheon Intl

Thu 1-10

20:40-23:35

Nonstop3h 55m

Hong Kong Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

S$ 113

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

IncheonJeju City

ICN Incheon Intl - CJU Jeju City

ICNCJU

Incheon Intl

Sat 17-10

18:05-19:25

Nonstop1h 20m

Jeju City

Mon 19-10

15:55-17:10

Nonstop1h 15m

S$ 149

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

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Thu 17-9

15:50-21:30

Nonstop6h 40m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 156

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 Seoul

Have a flexible travel schedule? Discover the best time to fly from Seoul with our price prediction graph.

SEL-SIN

ICN-CJU

ICN-HKG

ICN-SIN

GMP-SIN

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 Seoul

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

SEL-SIN

ICN-CJU

ICN-HKG

ICN-SIN

GMP-SIN

What is the cheapest month to book a flight from Seoul?

Currently, April is the cheapest month in which you can book a flight from Seoul (average of S$ 351). Flying from Seoul in December will prove the most costly (average of S$ 623). 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 Seoul?

When flying from Seoul check dates and pricing for the following: Singapore Airlines, Korean Air, Jeju Air, Scoot, T'way Air. As they depart for the following popular destinations: Singapore.

Korean Air

Jeju Air

Singapore Airlines

Singapore Airlines

T'way Air

What are popular destinations to fly to from Seoul?

From Seoul you can expect to find greater availability for the following destinations: Tokyo (1,180 flights per day), Osaka (1,095 flights per day) and Jeju City (795 flights per day).

Dalian

What is the cheapest place to fly to from Seoul?

The cheapest city to fly to from Seoul is Busan Gimhae, with prices starting at S$ 52. Explore other affordable destinations below.

Busan Gimhae

Osaka

When is the best time to book a flight from Seoul?

The price you pay for your flight from Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 38 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 Seoul?

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

Airline reviews for flights from Seoul

See what other customers who have flown with Korean Air,Singapore Airlines, andJeju Air from Seoul have to say. Users have also rated airlines in terms of 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!!

Browse thousands of different options on Cheapflights for your next trip

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Korean Air flights from Seoul to Jeju City

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Asiana Airlines flights from Seoul to Jeju City

Related info for your journey

What are the most popular destinations to fly to from Seoul?
This month, the top selected destinations from Seoul are Fukuoka, Da Nang, Nha Trang. Throughout the year, Fukuoka, Da Nang, Nha Trang are some of the top choices made by users flying from Seoul.
What are the cheapest airlines flying from Seoul to anywhere?
Recently, we've found that T'way Air, Jin Air, and Jeju Air had the cheapest round-trip tickets from Seoul. Some of the destinations and prices are as follows: T'way Air flights from Seoul to Jeju City (S$ 20). Jin Air flights from Seoul to Jeju City (S$ 24). Jeju Air flights from Seoul to Jeju City (S$ 31).
What is the cheapest month to fly from Seoul?
Currently, the cheapest month for flights from Seoul 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 Seoul?
View the cheapest flight destinations from Seoul:
Fly from Seoul to Singapore from S$ 301 round trip
How does Cheapflights help users find flights from Seoul?
Deals for flights from Seoul are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Seoul?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seoul.
Can Cheapflights find flights from Seoul with no change fees?
Certainly. Search results for flights from Seoul shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Seoul become cheaper?
Yes! Start tracking prices for flights from Seoul 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 Seoul?

Deals for flights from Seoul are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seoul.

Can Cheapflights find flights from Seoul with no change fees?

Certainly. Search results for flights from Seoul shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seoul become cheaper?

Yes! Start tracking prices for flights from Seoul 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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