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£237+ 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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
8 Sep — 15 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
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 9 August 2026.

Tue 10/1110:30 -
1 stop21h 20m
Sat 21/1112:35 -
1 stop26h 55m
Deal found 9/8£485
Wed 23/918:00 -
1 stop33h 35m
Sun 11/1019:25 -
2 stops27h 35m
Deal found 5/8£502
Sun 29/1111:35 -
1 stop15h 10m
Sun 6/1212:45 -
1 stop26h 35m
Deal found 8/8£502
Wed 23/911:35 -
1 stop16h 00m
Sun 11/1017:50 -
1 stop20h 50m
Deal found 5/8£505
Wed 23/918:00 -
1 stop33h 35m
Sat 10/1012:35 -
1 stop26h 05m
Deal found 5/8£513
Thu 19/1110:30 -
1 stop16h 05m
Wed 25/1117:50 -
1 stop21h 40m
Deal found 7/8£515

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 9 August 2026
Explore South Korea
Flights to Seoul
Flights to Busan
Flights to Jeju City

Find flight deals to South Korea

Find the latest flights to South Korea in 2026, 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 9 August 2026.

Return from

£533

One-way from

£237

Popular in

July

Cheapest in

January

Average price

£728

Good round-trip deal

£776 or less

Good one-way deal

£559 or less
China Southern
  • China Southern
  • 2/9-9/9
  • 2 total stops
  • 68h 00m total
  • London to Seoul
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 58h 20m total
  • London to South Korea
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
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

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 9 August 2026.
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 10/11

10:30-16:50

1 stop21h 20m

Busan Gimhae

Sat 28/11

17:50-14:00

1 stop29h 10m

£485

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Tue 1/9

11:35-06:10

2 stops34h 35m

Busan Gimhae

Tue 15/9

12:45-18:05

1 stop37h 20m

£563

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Fri 18/9

18:00-11:35

1 stop33h 35m

Busan Gimhae

Fri 2/10

12:35-15:00

1 stop34h 25m

£583

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Mon 21/9

06:55-16:50

2 stops25h 55m

Busan Gimhae

Mon 28/9

11:00-14:00

2 stops35h 00m

£585

LondonIncheon

LTN London Luton - ICN Incheon Intl

LTNICN

London Luton

Tue 8/9

15:15-22:00

2 stops22h 45m

Incheon Intl

Sun 13/9

15:30-14:35

2 stops31h 05m

£593

LondonIncheon

LTN London Luton - ICN Incheon Intl

LTNICN

London Luton

Wed 14/10

19:55-05:55

2 stops26h 00m

Incheon Intl

Sun 18/10

15:30-14:35

2 stops31h 05m

£594

LondonIncheon

LTN London Luton - ICN Incheon Intl

LTNICN

London Luton

Tue 27/10

20:00-15:50

3 stops34h 50m

Incheon Intl

Fri 6/11

14:55-14:25

2 stops32h 30m

£608

LondonSeoul

LGW London Gatwick - GMP Seoul Gimpo Intl

LGWGMP

London Gatwick

Sat 22/8

18:00-11:00

1 stop33h 00m

Seoul Gimpo Intl

Tue 1/9

20:50-15:00

1 stop26h 10m

£618

LondonSeoul

LHR London Heathrow - GMP Seoul Gimpo Intl

LHRGMP

London Heathrow

Tue 1/9

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Thu 17/9

13:30-18:05

1 stop36h 35m

£622

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Thu 10/9

11:35-18:25

2 stops46h 50m

Busan Gimhae

Mon 14/9

18:55-15:00

2 stops52h 05m

£631

Flights are sorted by cheapest return flights first.

Deals found on 7/8

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
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 51 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 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.

Virgin Atlantic
Virgin Atlantic
From £552
Asiana Airlines
Asiana Airlines
From £589
Air China
Air China
From £344
Lufthansa
Lufthansa
From £410

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

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).

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?

Destination popularity is based on the amount of flight searches to South Korea in the last few years. This data was updated on 9 August 2026.
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 9 August 2026.
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
554 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.6

Boarding

8.3

Food

8.0

Overall

8.1

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
554 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.6

Boarding

8.3

Food

8.0

Overall

8.1

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
7.5
Good
694 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.6

Boarding

8.3

Food

8.0

Overall

8.1

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
160 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.6

Boarding

8.3

Food

8.0

Overall

8.1

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
232 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.6

Boarding

8.3

Food

8.0

Overall

8.1

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
8,176 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.6

Boarding

8.3

Food

8.0

Overall

8.1

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 £50.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around £186, however they can be found for as little as £114.

  • 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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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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