£299+ Cheap flights to South Korea

— ICN
22 Oct — 29 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 20/1011:15 -
1 stop26h 20m
Tue 27/1022:25 -
1 stop17h 45m
Deal found 22/9£454
Wed 14/1011:15 -
1 stop22h 40m
Tue 20/1018:25 -
1 stop20h 30m
Deal found 22/9£464
Wed 14/1011:15 -
1 stop22h 40m
Wed 21/1018:00 -
1 stop21h 00m
Deal found 22/9£469
Thu 15/1011:15 -
1 stop15h 30m
Tue 20/1022:20 -
1 stop16h 35m
Deal found 17/9£478
Tue 22/922:00 -
1 stop34h 50m
Wed 14/1017:50 -
1 stop20h 50m
Deal found 18/9£484
Thu 5/1110:30 -
1 stop16h 05m
Fri 13/1117:50 -
1 stop21h 40m
Deal found 18/9£492

Find flights to South Korea

Explore South Korea

Find flight deals to South Korea

Return from

£474

One-way from

£288

Popular in

July

Cheapest in

January

Average price

£626

Good round-trip deal

£802 or less

Good one-way deal

£555 or less
China Southern
  • China Southern
  • 2/11-25/11
  • 2 total stops
  • 67h 20m total
  • London to Seoul
20/10-31/12
  • 20/10-31/12
  • 1 total stop
  • 26h 55m total
  • London to South Korea
Highest demand for flights based on searches. 12% potential increase in price (£88 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£13 potential savings vs. average return price).
Average for return flights in September 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

LondonSeoul

LHR London Heathrow - GMP Seoul Gimpo Intl

LHRGMP

London Heathrow

Fri 27/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£310

LondonSeoul

LHR London Heathrow - GMP Seoul Gimpo Intl

LHRGMP

London Heathrow

Fri 27/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£310

LondonBusan

STN London Stansted - PUS Busan Gimhae

STNPUS

London Stansted

Thu 29/10

19:30-08:05

3 stops51h 35m

Busan Gimhae

Wed 31/12

00:00-16:00

Nonstop0h 00m

£331

LondonJeju City

LGW London Gatwick - CJU Jeju City

LGWCJU

London Gatwick

Fri 6/11

10:40-10:35

1 stop14h 55m

Jeju City

Fri 13/11

11:35-07:10

1 stop28h 35m

£454

LondonJeju City

LGW London Gatwick - CJU Jeju City

LGWCJU

London Gatwick

Wed 14/10

11:15-17:55

1 stop22h 40m

Jeju City

Wed 21/10

18:00-07:00

1 stop21h 00m

£464

LondonJeju City

LGW London Gatwick - CJU Jeju City

LGWCJU

London Gatwick

Thu 15/10

11:15-10:45

1 stop15h 30m

Jeju City

Tue 20/10

22:20-06:55

1 stop16h 35m

£506

LondonJeju City

LGW London Gatwick - CJU Jeju City

LGWCJU

London Gatwick

Thu 15/10

11:15-21:35

1 stop26h 20m

Jeju City

Thu 22/10

22:20-06:55

1 stop16h 35m

£507

LondonJeju City

LGW London Gatwick - CJU Jeju City

LGWCJU

London Gatwick

Wed 4/11

10:40-10:35

1 stop14h 55m

Jeju City

Wed 11/11

11:35-07:10

1 stop28h 35m

£507

LondonBusan

LGW London Gatwick - PUS Busan Gimhae

LGWPUS

London Gatwick

Sun 1/11

10:30-17:50

2 stops46h 20m

Busan Gimhae

Sun 8/11

17:50-14:00

1 stop29h 10m

£530

LondonIncheon

LHR London Heathrow - ICN Incheon Intl

LHRICN

London Heathrow

Mon 1/3

07:40-11:00

2 stops18h 20m

Incheon Intl

Wed 10/3

13:30-22:55

1 stop18h 25m

£558

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 33 resultsSorted by cheapest first
1
2
3
4

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 19 hours 14 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 Tuesday (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, Air China 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,Air China, andVirgin Atlantic 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

Food

8.0

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.6

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

Food

8.0

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.6

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

Food

8.0

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.6

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

Food

8.0

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.6

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

Food

8.0

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.6

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

Food

8.0

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.6

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?

    Incheon Intl is currently the cheapest airport to fly to in South Korea. One-way flights to Incheon Intl typically cost £8, while return flights cost around £10.

  • 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 £104.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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.