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£234+ Cheap flights to South Korea

— ICN
1 Oct — 8 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to South Korea in 2026

Enter your travel dates to find the best prices.

Cheapest flights to South Korea

Tue 22/922:00 -
1 stop34h 50m
Wed 14/1017:50 -
1 stop29h 10m
Deal found 29/8£450
Wed 11/1111:35 -
1 stop15h 10m
Thu 19/1112:45 -
1 stop26h 35m
Deal found 27/8£455
Wed 11/1120:25 -
1 stop30h 20m
Thu 19/1112:45 -
1 stop36h 10m
Deal found 27/8£483
Wed 4/1121:30 -
1 stop29h 55m
Wed 18/1113:30 -
1 stop37h 25m
Deal found 30/8£489
Tue 22/911:35 -
1 stop21h 15m
Wed 14/1017:50 -
1 stop20h 50m
Deal found 31/8£489
Fri 18/911:35 -
1 stop24h 15m
Tue 13/1012:00 -
1 stop26h 40m
Deal found 31/8£489

Find flights to South Korea

Explore South Korea
Flights to Seoul
Flights to Busan
Flights to Jeju City

Find flight deals to South Korea

Return from

£489

One-way from

£234

Popular in

July

Cheapest in

January

Average price

£620

Good round-trip deal

£807 or less

Good one-way deal

£546 or less
China Southern
  • China Southern
  • 4/11-18/11
  • 2 total stops
  • 67h 20m total
  • London to Seoul
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12/11
  • 12/11
  • 2 total stops
  • 21h 35m total
  • London to South Korea
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Highest demand for flights based on searches. 13% potential increase in price (£92 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
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Average for return flights in September 2026
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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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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to South Korea that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Tue 22/9

11:35-16:50

1 stop21h 15m

Busan Gimhae

Wed 14/10

12:35-06:40

1 stop26h 05m

£460

LondonIncheon

LHR London Heathrow - ICN Incheon Intl

LHRICN

London Heathrow

Sun 14/2

07:30-11:00

1 stop18h 30m

Incheon Intl

Sun 28/2

12:55-08:05

2 stops28h 10m

£537

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Fri 20/11

11:35-11:45

1 stop15h 10m

Busan Gimhae

Tue 24/11

12:45-06:20

1 stop26h 35m

£546

LondonIncheon

LGW London Gatwick - ICN Incheon Intl

LGWICN

London Gatwick

Thu 22/10

05:15-16:00

2 stops26h 45m

Incheon Intl

Sun 8/11

10:55-06:30

1 stop28h 35m

£549

LondonIncheon

LTN London Luton - ICN Incheon Intl

LTNICN

London Luton

Thu 1/10

06:20-16:00

2 stops25h 40m

Incheon Intl

Tue 20/10

19:40-14:35

2 stops26h 55m

£553

LondonIncheon

LCY London City - ICN Incheon Intl

LCYICN

London City

Wed 6/1

17:05-16:55

1 stop14h 50m

Incheon Intl

Wed 27/1

23:05-08:10

1 stop18h 05m

£560

LondonBusan

LHR London Heathrow - PUS Busan Gimhae

LHRPUS

London Heathrow

Thu 19/11

17:40-11:45

1 stop33h 05m

Busan Gimhae

Wed 25/11

12:45-15:55

1 stop36h 10m

£572

LondonSeoul

LHR London Heathrow - GMP Seoul Gimpo Intl

LHRGMP

London Heathrow

Mon 30/11

08:45-13:00

2 stops19h 15m

Seoul Gimpo Intl

Wed 9/12

08:35-21:00

2 stops21h 25m

£598

LondonIncheon

LTN London Luton - ICN Incheon Intl

LTNICN

London Luton

Wed 30/9

12:45-22:00

2 stops25h 15m

Incheon Intl

Fri 2/10

19:45-12:55

2 stops25h 10m

£602

LondonIncheon

LHR London Heathrow - ICN Incheon Intl

LHRICN

London Heathrow

Tue 8/12

08:45-11:15

1 stop17h 30m

Incheon Intl

Mon 21/12

13:30-07:45

2 stops27h 15m

£606

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 33 resultsSorted by cheapest first
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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

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 47 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.

Weekly flight availability to South Korea

The most flights from London to South Korea are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

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

The most popular airlines flying from London to South Korea are Virgin Atlantic, Asiana Airlines and Korean Air.

Aer Lingus
Aer Lingus
From £429
Virgin Atlantic
Virgin Atlantic
From £635
British Airways
British Airways
From £453
United Airlines
United Airlines
From £526

What are the cheapest airlines that fly to South Korea?

The cheapest airlines flying from London to South Korea are China Eastern, Shenzhen Airlines and Air China.

Rainfall in South Korea 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

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).

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

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights to South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

The most popular places in South Korea to fly to are Seoul, Incheon, Jeju City and Busan.

Reviews of airlines servicing South Korea

See what other customers who have flown with Asiana Airlines,Virgin Atlantic, 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
8.1
Very Good
558 reviews
Check prices

Food

8.0

Overall

8.1

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
Asiana Airlines
8.1
Very Good
558 reviews
Asiana Airlines
8.1
Very Good
558 reviews
Check prices

Food

8.0

Overall

8.1

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
Virgin Atlantic
7.4
Good
695 reviews
Asiana Airlines
8.1
Very Good
558 reviews
Check prices

Food

8.0

Overall

8.1

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
Air China
7.4
Good
163 reviews
Asiana Airlines
8.1
Very Good
558 reviews
Check prices

Food

8.0

Overall

8.1

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
China Eastern
7.3
Good
236 reviews
Asiana Airlines
8.1
Very Good
558 reviews
Check prices

Food

8.0

Overall

8.1

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
Lufthansa
6.8
Okay
8,229 reviews
Asiana Airlines
8.1
Very Good
558 reviews
Check prices

Food

8.0

Overall

8.1

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.

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?

    Busan Gimhae is currently the cheapest airport to fly to in South Korea. One-way flights to Busan Gimhae typically cost £8, while return flights cost around £19.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around £139, however they can be found for as little as £115.

  • 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 20 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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Why should you use Cheapflights to find cheap flight tickets to South Korea?

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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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