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Cheap flights from the United Kingdom to South Korea from £250

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Find flight deals from United Kingdom to South Korea

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to South Korea
Explore the most affordable flight options available from United Kingdom to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2025.

Sun 30/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 10/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 13/10£361
Tue 11/1110:30LGW - GMP
1 stop24h 20mChina Eastern
Wed 26/1112:00GMP - LGW
1 stop27h 30mChina Eastern
Deal found 14/10£366
Mon 10/1117:00LGW - GMP
1 stop17h 50mChina Eastern
Mon 24/1120:50GMP - LGW
1 stop18h 40mChina Eastern
Deal found 14/10£367
Mon 3/1117:40LHR - GMP
1 stop34h 25mAir China
Mon 17/1114:25GMP - LHR
1 stop34h 30mAir China
Deal found 14/10£369
Thu 27/1121:30LHR - GMP
1 stop29h 55mChina Southern
Thu 4/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 13/10£370
Tue 18/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 3/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 14/10£370
Wed 12/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 26/1113:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 14/10£371
Tue 11/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 26/1113:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 14/10£373
Mon 1/1221:30LHR - GMP
1 stop29h 55mChina Southern
Thu 11/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 13/10£374
Wed 12/1120:25LHR - GMP
1 stop31h 40mAir China
Wed 19/1114:25GMP - LHR
1 stop34h 30mAir China
Deal found 13/10£376
Tue 11/1110:30LGW - GMP
1 stop24h 20mMultiple Airlines
Tue 25/1112:00GMP - LGW
1 stop27h 30mMultiple Airlines
Deal found 14/10£376
Tue 11/1117:40LHR - GMP
1 stop34h 25mAir China
Tue 25/1114:25GMP - LHR
1 stop36h 25mAir China
Deal found 14/10£376

Cheap flight deals from United Kingdom to South Korea

Keep the following information in mind while searching for United Kingdom to South Korea flight deals. Data was last updated 15 October 2025.

Round-trip from

£340

One-way from

£250

Popular in

July

Cheapest in

November

Average price

£597

Good round-trip deal

£876 or less

Good one-way deal

£510 or less
China Eastern
  • China Eastern
  • 16/11-25/11
  • 2 total stops
  • 58h 40m total
  • United Kingdom to South Korea
Search Deals
China Eastern
  • China Eastern
  • 5/11
  • 1 total stop
  • 29h 00m total
  • United Kingdom to South Korea
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to South Korea.
Search Deals
Price to beat on a one-way flight from United Kingdom to South Korea.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 October 2025.
Use the filters below to find and compare flights from the United Kingdom to South Korea that are best for you.

Fly from

United Kingdom

Fly to

South Korea

Route

Depart

Return

Price

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 12/11

20:25-13:05

1 stop31h 40m

Seoul Gimpo Intl

Tue 25/11

14:25-17:50

1 stop36h 25m

£400

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 29/11

20:20-21:45

1 stop16h 25m

Incheon Intl

Sat 6/12

16:40-06:30

2 stops22h 50m

£418

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 3/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Sun 9/11

14:25-15:55

1 stop34h 30m

£430

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/3

07:40-11:15

1 stop18h 35m

Incheon Intl

Fri 20/3

13:30-21:00

1 stop16h 30m

£431

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 12/11

10:30-19:50

1 stop24h 20m

Seoul Gimpo Intl

Mon 24/11

20:50-06:30

1 stop18h 40m

£431

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Mon 1/12

17:00-11:00

1 stop33h 00m

Seoul Gimpo Intl

Fri 12/12

20:50-14:00

1 stop26h 10m

£438

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Thu 30/10

10:30-19:50

1 stop24h 20m

Seoul Gimpo Intl

Thu 6/11

20:50-14:00

1 stop26h 10m

£456

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 12/11

17:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Sat 22/11

20:50-06:30

1 stop18h 40m

£456

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sun 7/12

11:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Sat 13/12

14:25-05:35

1 stop24h 10m

£461

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sun 7/12

11:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Tue 16/12

14:25-05:35

1 stop24h 10m

£461

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from United Kingdom 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 from the United Kingdom to South Korea

What is the cheapest month to book a flight from United Kingdom to South Korea?

Currently, November is the cheapest month in which you can book a flight from United Kingdom to South Korea (average of £215). Flying from United Kingdom to South Korea in July is currently the most expensive (average of £607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to KR?

Find hourly flight availability from United Kingdom to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 October 2025.

A simple way to save on the total cost of your ticket is to fly from United Kingdom to South Korea in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from United Kingdom to South Korea?

Use this chart to determine the cheapest time to fly return from United Kingdom to South Korea. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to South Korea flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from United Kingdom to South Korea

Explore weekly flight availability from United Kingdom to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 October 2025.

The most flights from GB0 to KR0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 15 October 2025.
Check out reviews from past customers who have flown with Korean Air, Asiana Airlines, andChina Southern from the United Kingdom to South Korea to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,149 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,149 reviews
Korean Air
8.4
Very Good
1,149 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very Good
486 reviews
Korean Air
8.4
Very Good
1,149 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Southern
7.4
Good
116 reviews
Korean Air
8.4
Very Good
1,149 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air China
7.2
Good
114 reviews
Korean Air
8.4
Very Good
1,149 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Lufthansa
6.8
Okay
7,489 reviews
Korean Air
8.4
Very Good
1,149 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from United Kingdom to South Korea?

    A quick flight from United Kingdom to South Korea can take about 18h 35m. Air China provides one of the quickest options available for as low as £431. Airlines will cover a distance of 5503 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to South Korea one-way?

    The cheapet airlines for a one-way flight from United Kingdom to South Korea are China Eastern (£258), Air China (£289), and Hainan Airlines (£292).

  • Can I find deals for flights from United Kingdom to South Korea that include hotel bookings?

    Yes. In addition to deals on United Kingdom to South Korea flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to South Korea.

  • Can I find deals for business class flights from United Kingdom to South Korea?

    Yes. Cheapflights offers flight deals from United Kingdom to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to South Korea?

    Currently, November is the cheapest month in which you can book a flight from United Kingdom to South Korea (average of £215). Flying from United Kingdom to South Korea in July is currently the most expensive (average of £607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Alternative routes for United Kingdom to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from United Kingdom to South Korea

Discover the top 10 airlines that operate flights from United Kingdom to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£307Average£527FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£333Average£553FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£359Average£581FlexibilityNo cancel feeOn-time67%
Search Air China flights
Scandinavian AirlinesCheapest£423Average£539FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Shenzhen AirlinesCheapest£426Average£468FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£435Average£695FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£474Average£778FlexibilityNo cancel feeOn-time75%
Search KLM flights
LOTCheapest£513Average£731FlexibilityNo cancel feeOn-time81%
Search LOT flights
Air FranceCheapest£521Average£678FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapest£540Average£682FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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 from United Kingdom to South Korea?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to South Korea from United Kingdom today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to South Korea?

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to South Korea by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from United Kingdom to South Korea with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to South Korea, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from United Kingdom to South Korea become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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