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£255+ 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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
10 Sep — 17 Sep1
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 5 September 2025.

Return from

£373

One-way from

£256

Popular in

July

Cheapest in

November

Average price

£586

Good round-trip deal

£859 or less

Good one-way deal

£579 or less
China Southern
  • China Southern
  • 24/11-1/12
  • 2 total stops
  • 67h 05m total
  • London to Seoul
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China Eastern
  • China Eastern
  • 22/9
  • 1 total stop
  • 29h 40m total
  • London to South Korea
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Highest demand for flights based on searches. 17% potential increase in price (£93 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
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Average for return flights in September 2025
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Price to beat on a round-trip flight from London to South Korea.
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Price to beat on a one-way flight from London to South Korea.
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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 5 September 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 5 September 2025.

Wed 1/1011:35LGW - PUS
1 stop21h 15mChina Eastern
Sun 19/1017:50PUS - LGW
1 stop20h 40mChina Eastern
Deal found 3/9£330
Fri 28/1110:30LGW - PUS
1 stop16h 05mChina Eastern
Fri 12/1212:35PUS - LGW
1 stop34h 25mChina Eastern
Deal found 4/9£351
Wed 1/1021:20LHR - PUS
1 stop35h 30mChina Eastern
Sun 19/1017:50PUS - LHR
1 stop32h 50mChina Eastern
Deal found 3/9£362
Sat 25/1021:20LHR - PUS
1 stop35h 30mChina Eastern
Wed 5/1112:35PUS - LHR
1 stop37h 55mChina Eastern
Deal found 3/9£369
Mon 24/1121:30LHR - GMP
1 stop29h 55mChina Southern
Mon 1/1213:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 5/9£373
Mon 22/921:20LHR - PUS
1 stop30h 15mChina Eastern
Mon 13/1012:35PUS - LHR
1 stop38h 05mChina Eastern
Deal found 3/9£374

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 5 September 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

Wed 1/10

11:35-16:50

1 stop21h 15m

Busan Gimhae

Sun 19/10

17:50-06:30

1 stop20h 40m

£330

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Fri 28/11

10:30-11:35

1 stop16h 05m

Busan Gimhae

Fri 12/12

12:35-14:00

1 stop34h 25m

£351

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Wed 1/10

21:20-16:50

1 stop35h 30m

Busan Gimhae

Sun 19/10

17:50-18:40

1 stop32h 50m

£362

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Sat 25/10

21:20-16:50

1 stop35h 30m

Busan Gimhae

Wed 5/11

12:35-17:30

1 stop37h 55m

£369

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 26/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Sun 7/12

13:45-17:55

1 stop37h 10m

£373

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 18/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 3/12

13:45-17:55

1 stop37h 10m

£373

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 19/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 3/12

13:45-17:55

1 stop37h 10m

£373

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 24/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£373

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 24/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 3/12

13:45-17:55

1 stop37h 10m

£373

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Mon 22/9

21:20-11:35

1 stop30h 15m

Busan Gimhae

Mon 13/10

12:35-18:40

1 stop38h 05m

£374

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 60 results
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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 17 hours 40 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 Finnair, British Airways and Aer Lingus.

Finnair
Finnair
From £687
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 5 September 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 5 September 2025.
See what other customers who have flown with Asiana Airlines, China Southern, andChina Eastern 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
479 reviews
Check prices

Food

8.1

Entertainment

7.8

Crew

8.6

Boarding

8.4

Overall

8.2

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
Asiana Airlines
8.2
Very Good
479 reviews
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Food

8.1

Entertainment

7.8

Crew

8.6

Boarding

8.4

Overall

8.2

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
China Southern
7.5
Good
110 reviews
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Food

8.1

Entertainment

7.8

Crew

8.6

Boarding

8.4

Overall

8.2

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
China Eastern
7.2
Good
165 reviews
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Food

8.1

Entertainment

7.8

Crew

8.6

Boarding

8.4

Overall

8.2

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
Air China
7.2
Good
97 reviews
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Food

8.1

Entertainment

7.8

Crew

8.6

Boarding

8.4

Overall

8.2

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
Lufthansa
6.8
Okay
7,394 reviews
Asiana Airlines
8.2
Very Good
479 reviews
Check prices

Food

8.1

Entertainment

7.8

Crew

8.6

Boarding

8.4

Overall

8.2

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!

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 £11, while return flights cost around £31.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around £443, however they can be found for as little as £89.

  • 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 35 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

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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.

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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.

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