£207+ Cheap flights to South Korea

— ICN
22 Sep — 29 Sep1
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

Sat 19/922:00 -
1 stop29h 35m
Sun 11/1012:35 -
1 stop26h 05m
Deal found 19/8£446
Mon 28/918:00 -
1 stop33h 35m
Sun 8/1117:50 -
1 stop29h 10m
Deal found 21/8£472
Fri 25/911:35 -
1 stop21h 15m
Fri 9/1017:50 -
1 stop33h 20m
Deal found 19/8£489
Thu 1/1021:55 -
1 stop29h 40m
Thu 8/1017:50 -
1 stop33h 20m
Deal found 19/8£493
Thu 3/918:00 -
1 stop17h 50m
Sun 6/920:50 -
1 stop26h 10m
Deal found 21/8£499
Thu 27/818:00 -
1 stop33h 00m
Thu 10/912:00 -
1 stop35h 00m
Deal found 20/8£500

Find flights to South Korea

Explore South Korea

Find flight deals to South Korea

Return from

£499

One-way from

£207

Popular in

July

Cheapest in

January

Average price

£733

Good round-trip deal

£799 or less

Good one-way deal

£552 or less
China Eastern
  • China Eastern
  • 3/9-6/9
  • 2 total stops
  • 44h 00m total
  • London to Seoul
China Southern
  • China Southern
  • 9/9
  • 1 total stop
  • 17h 10m total
  • London to South Korea
Highest demand for flights based on searches. 12% potential increase in price (£89 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for return flights in August 2026
Price to beat on a round-trip flight from London to South Korea.
Price to beat on a one-way flight from London to South Korea.

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

Mon 28/9

18:00-17:50

2 stops39h 50m

Busan Gimhae

Sun 8/11

12:35-14:00

1 stop34h 25m

£477

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Thu 3/9

11:35-11:35

1 stop16h 00m

Busan Gimhae

Mon 7/9

18:55-15:00

2 stops28h 05m

£504

LondonIncheon

SEN London Southend - ICN Incheon Intl

SENICN

London Southend

Thu 5/11

14:10-22:10

2 stops23h 00m

Incheon Intl

Fri 20/11

09:25-22:00

2 stops21h 35m

£563

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Wed 18/11

17:00-13:10

2 stops35h 10m

Busan Gimhae

Fri 27/11

13:55-06:30

2 stops25h 35m

£564

LondonSeoul

LGW London Gatwick - GMP Seoul Gimpo Intl

LGWGMP

London Gatwick

Thu 1/10

18:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Thu 15/10

20:50-15:00

1 stop26h 10m

£569

LondonIncheon

SEN London Southend - ICN Incheon Intl

SENICN

London Southend

Tue 29/9

06:30-14:55

3 stops24h 25m

Incheon Intl

Mon 12/10

18:25-11:20

2 stops24h 55m

£573

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Sun 13/9

12:35-11:45

1 stop15h 10m

Busan Gimhae

Fri 18/9

08:10-07:00

2 stops30h 50m

£578

LondonIncheon

LHR London Heathrow - ICN Incheon Intl

LHRICN

London Heathrow

Wed 27/1

13:55-10:45

1 stop35h 50m

Incheon Intl

Mon 8/2

17:50-12:05

1 stop27h 15m

£580

LondonIncheon

LHR London Heathrow - ICN Incheon Intl

LHRICN

London Heathrow

Mon 23/11

15:35-19:00

2 stops18h 25m

Incheon Intl

Fri 27/11

23:45-16:25

2 stops25h 40m

£594

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Sat 16/1

10:00-15:10

2 stops20h 10m

Busan Gimhae

Fri 22/1

07:55-09:00

2 stops34h 05m

£635

Flights are sorted by cheapest return flights first.

Deals found on 20/8

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 18 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 (3 on average).

What are the cheapest airlines that fly to South Korea?

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

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.

Boarding

8.3

Overall

8.1

Food

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.5

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.

Boarding

8.3

Overall

8.1

Food

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.5

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.

Boarding

8.3

Overall

8.1

Food

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.5

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.

Boarding

8.3

Overall

8.1

Food

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.5

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.

Boarding

8.3

Overall

8.1

Food

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.5

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.

Boarding

8.3

Overall

8.1

Food

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.5

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 £184, however they can be found for as little as £113.

  • 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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