£290+ 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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
7 Jun — 14 Jun1
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 8 May 2026.

Tue 22/920:25
LHR
-
PUS
1 stop31h 20m
Air China
Tue 20/1012:45
PUS
-
LHR
1 stop15h 40m
Air China
Deal found 5/5£472
Tue 22/912:35
LGW
-
PUS
1 stop15h 10m
Air China
Tue 20/1012:45
PUS
-
LGW
1 stop25h 50m
Air China
Deal found 5/5£477
Sat 12/912:35
LGW
-
GMP
1 stop16h 30m
Air China
Sun 11/1014:25
GMP
-
LGW
1 stop24h 20m
Air China
Deal found 7/5£479
Tue 22/912:35
LGW
-
GMP
1 stop16h 30m
Air China
Tue 20/1014:25
GMP
-
LGW
1 stop24h 10m
Air China
Deal found 6/5£485
Sat 19/922:40
LHR
-
GMP
1 stop30h 25m
Air China
Sun 11/1014:25
GMP
-
LHR
1 stop35h 15m
Air China
Deal found 5/5£488
Tue 22/912:35
LGW
-
GMP
1 stop16h 30m
Air China
Sun 11/1014:25
GMP
-
LGW
1 stop24h 20m
Air China
Deal found 5/5£491

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 8 May 2026
Explore South Korea

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 8 May 2026.

Return from

£479

One-way from

£290

Popular in

July

Cheapest in

November

Average price

£570

Good round-trip deal

£853 or less

Good one-way deal

£477 or less
Air China
  • Air China
  • 12/9-11/10
  • 2 total stops
  • 40h 50m total
  • London to Seoul
17/5
  • 17/5
  • 3 total stops
  • 45h 20m total
  • London to South Korea
Highest demand for flights based on searches. 15% potential increase in price (£106 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Average for return flights in May 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

 
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 8 May 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

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 1/6

14:45-10:50

1 stop36h 05m

Incheon Intl

Thu 18/6

17:45-12:45

1 stop27h 00m

£582

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Tue 2/6

18:00-11:00

1 stop33h 00m

Seoul Gimpo Intl

Tue 16/6

20:50-15:00

1 stop26h 10m

£604

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Wed 28/10

10:30-14:55

2 stops19h 25m

Incheon Intl

Mon 9/11

13:15-06:30

2 stops26h 15m

£610

LondonIncheon

LTN - ICN

LTNICN

London Luton

Wed 17/6

19:55-05:55

2 stops26h 00m

Incheon Intl

Wed 24/6

14:30-14:35

2 stops32h 05m

£657

LondonBusan

LGW - PUS

LGWPUS

London Gatwick

Thu 1/10

18:00-16:50

1 stop14h 50m

Busan Gimhae

Thu 22/10

12:35-06:40

1 stop26h 05m

£657

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 1/6

21:20-11:00

1 stop29h 40m

Seoul Gimpo Intl

Sun 14/6

20:50-18:40

1 stop29h 50m

£666

LondonIncheon

STN - ICN

STNICN

London Stansted

Fri 19/6

06:55-08:35

1 stop17h 40m

Incheon Intl

Mon 29/6

10:15-22:10

1 stop19h 55m

£693

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Thu 4/6

16:35-07:45

1 stop31h 10m

Busan Gimhae

Fri 12/6

12:35-18:40

1 stop38h 05m

£699

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Wed 17/6

10:50-08:35

1 stop37h 45m

Incheon Intl

Sat 27/6

10:15-22:25

1 stop20h 10m

£699

LondonIncheon

STN - ICN

STNICN

London Stansted

Wed 3/6

17:45-08:35

1 stop30h 50m

Incheon Intl

Mon 22/6

10:15-22:10

1 stop19h 55m

£701

Flights are sorted by cheapest return flights first.

Deals found on 4/5

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
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

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.

How long is the flight to South Korea?

On average, a flight from London to South Korea takes 18 hours 3 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 Monday, which is when the least amount of flights are scheduled (5 on average).

What are the cheapest airlines that fly to South Korea?

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

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 8 May 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 8 May 2026.
See what other customers who have flown with Asiana Airlines,Virgin Atlantic, 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.

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.6

Overall

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.6

Overall

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.6

Overall

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.6

Overall

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.6

Overall

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.6

Overall

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

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 £13, while return flights cost around £38.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around £351, however they can be found for as little as £126.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.