Find flights
Airlines

£270+ Cheap flights to 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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
20 Aug — 27 Aug1
1 adult

Flights to South Korea in 2025

Find the latest flights to South Korea in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 15 August 2025.

Return from

£421

One-way from

£270

Popular in

July

Cheapest in

November

Average price

£795

Good round-trip deal

£848 or less

Good one-way deal

£580 or less
China Southern
  • China Southern
  • 6/11-15/11
  • 2 total stops
  • 67h 05m total
  • London to Seoul
Search Deals
China Southern
  • China Southern
  • 29/10
  • 1 total stop
  • 29h 55m total
  • London to South Korea
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for return flights in August 2025
Search Deals
Price to beat on a round-trip flight from London to South Korea.
Search Deals
Price to beat on a one-way flight from London to South Korea.
Search Deals

Find flights to South Korea

Browse one-way and return flights deals to South Korea on Cheapflights. Flight deals are based on user searches and were last updated on 15 August 2025
Explore South Korea
Flights to Seoul
Flights to Busan
Flights to Jeju City

Find flight deals to South Korea

Cheapest flights to South Korea
Explore the most affordable flight options available to South Korea. Find the lowest fares based on data from user searches, with prices last updated on 15 August 2025.

Mon 15/912:35LGW - PUS
1 stop15h 10mAir China
Wed 15/1012:45PUS - LGW
1 stop25h 50mAir China
Deal found 13/8£376
Mon 15/920:25LHR - PUS
1 stop31h 20mAir China
Wed 15/1012:45PUS - LHR
1 stop37h 00mAir China
Deal found 13/8£401
Mon 1/922:40LHR - PUS
1 stop29h 05mAir China
Mon 8/912:45PUS - LHR
1 stop15h 45mAir China
Deal found 14/8£415
Thu 6/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sat 15/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 15/8£421
Wed 3/912:35LGW - GMP
1 stop16h 30mAir China
Wed 10/914:25GMP - LGW
1 stop24h 10mAir China
Deal found 15/8£421
Sat 4/1021:00LHR - GMP
1 stop31h 25mChina Southern
Fri 14/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 15/8£422

Cheapflights Fare Finder

 
Locate flights to South Korea that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 15 August 2025.
Use the filters below to find and compare flights to South Korea that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Mon 15/9

12:35-11:45

1 stop15h 10m

Busan Gimhae

Wed 15/10

12:45-06:35

1 stop25h 50m

£376

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Mon 15/9

20:25-11:45

1 stop31h 20m

Busan Gimhae

Wed 15/10

12:45-17:45

1 stop37h 00m

£401

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Mon 1/9

22:40-11:45

1 stop29h 05m

Busan Gimhae

Mon 8/9

12:45-20:30

1 stop15h 45m

£415

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 4/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 12/11

13:45-17:55

1 stop37h 10m

£421

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 29/8

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Mon 8/9

14:25-06:35

1 stop24h 10m

£421

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Thu 28/8

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Mon 8/9

14:25-06:35

1 stop24h 10m

£421

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sun 31/8

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Thu 4/9

14:25-06:35

1 stop24h 10m

£421

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 2/11

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Wed 12/11

20:50-17:30

1 stop29h 40m

£421

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 26/10

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Tue 11/11

13:45-17:55

1 stop37h 10m

£421

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 5/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 17/11

13:45-17:55

1 stop37h 10m

£421

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight to South Korea

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

Cheapflights Insights

Everything you need to know about your flight to South Korea

How long is the flight to South Korea?

On average, a flight from London to South Korea takes 18 hours 33 minutes. Flights to South Korea from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to South Korea?

Use this chart to determine the cheapest time to fly return from London to South Korea. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to South Korea should consider flying on Thursday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday afternoons, when prices are usually at their highest.

Weekly flight availability to South Korea

The most flights from London to South Korea are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

What are the most popular airlines that fly to South Korea?

The most popular airlines flying from London to South Korea are Asiana Airlines, Air China and Lufthansa.

Finnair
Finnair
From £692
British Airways
British Airways
From £769
Aer Lingus
Aer Lingus
From £681
Virgin Atlantic
Virgin Atlantic
From £751

What are the cheapest airlines that fly to South Korea?

The cheapest airlines flying from London to South Korea are American Airlines, Aer Lingus and Finnair.

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit South Korea when rainfall is around 27.0 mm.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What are the most popular places to fly to in South Korea?

Destination popularity is based on the amount of flight searches to South Korea in the last few years. This data was updated on 15 August 2025.
The most popular places in South Korea to fly to are Seoul, Incheon, Jeju City and Busan.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to 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 an airline for your flight to South Korea. Reviews last updated 15 August 2025.
See what other customers who have flown with Asiana Airlines, China Southern, andAir China to South Korea have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very Good
473 reviews
Check prices

Overall

8.2

Crew

8.6

Comfort

8.1

Boarding

8.4

Entertainment

7.8

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
Asiana Airlines
8.2
Very Good
473 reviews
Asiana Airlines
8.2
Very Good
473 reviews
Check prices

Overall

8.2

Crew

8.6

Comfort

8.1

Boarding

8.4

Entertainment

7.8

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
China Southern
7.6
Good
106 reviews
Asiana Airlines
8.2
Very Good
473 reviews
Check prices

Overall

8.2

Crew

8.6

Comfort

8.1

Boarding

8.4

Entertainment

7.8

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
Air China
7.3
Good
95 reviews
Asiana Airlines
8.2
Very Good
473 reviews
Check prices

Overall

8.2

Crew

8.6

Comfort

8.1

Boarding

8.4

Entertainment

7.8

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
China Eastern
7.2
Good
160 reviews
Asiana Airlines
8.2
Very Good
473 reviews
Check prices

Overall

8.2

Crew

8.6

Comfort

8.1

Boarding

8.4

Entertainment

7.8

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob
Lufthansa
6.8
Okay
7,321 reviews
Asiana Airlines
8.2
Very Good
473 reviews
Check prices

Overall

8.2

Crew

8.6

Comfort

8.1

Boarding

8.4

Entertainment

7.8

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

FAQs about flying to South Korea

  • Can I find cheaper flights to South Korea if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to South Korea on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to South Korea?

    Based on reviews from Cheapflights users, China Eastern is rated the highest out of the airlines that fly to South Korea.

  • What is the cheapest airport to fly to in South Korea?

    Seoul Gimpo Intl is currently the cheapest airport to fly to in South Korea. One-way flights to Seoul Gimpo Intl typically cost £10, while return flights cost around £21.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around £171, however they can be found for as little as £80.

  • Where does the fastest flight to South Korea depart from?

    For those looking to save time traveling to South Korea, London offers the quickest one-way flight (12 hours 25 minutes).

  • Does Incheon Intl have car hire?

    Yes. Those touching down at Incheon Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Incheon Intl?

    Yes. Incheon Intl has hotels nearby for those requiring accommodations. Darakhyu Incheon Airport Terminal 2 Capsule Hotel by Walkerhill is the closest property to Incheon Intl (0.0 mi away from Incheon Intl).

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.

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 to South Korea?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to South Korea. 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 to South Korea?

Millions of users choose and trust Cheapflights to book the best flight deals to 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 to South Korea with no change fees?

Certainly. Search results for flights to South Korea 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 to South Korea become cheaper?

Not ready to book yet? You can track prices for flights to South Korea on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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.