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Cheap flights from the United Kingdom to Seoul from £292

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.
LHR — SEL
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Seoul

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Seoul
Explore the most affordable flight options available from United Kingdom to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Tue 15/912:35
LGW
-
GMP
1 stop16h 30m
Air China
Thu 15/1014:25
GMP
-
LGW
1 stop24h 10m
Air China
Deal found 2/5£473
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£490
Tue 22/920:20
LGW
-
GMP
1 stop32h 45m
Air China
Sat 10/1014:25
GMP
-
LGW
1 stop24h 10m
Air China
Deal found 2/5£494
Fri 18/922:40
LHR
-
GMP
1 stop30h 25m
Air China
Sun 11/1014:25
GMP
-
LHR
1 stop35h 15m
Air China
Deal found 4/5£499
Tue 15/922:40
LHR
-
GMP
1 stop30h 25m
Air China
Thu 15/1014:25
GMP
-
LHR
1 stop35h 15m
Air China
Deal found 2/5£512
Wed 23/912:35
LGW
-
GMP
1 stop16h 30m
Air China
Mon 12/1014:25
GMP
-
LGW
1 stop24h 10m
Air China
Deal found 4/5£513
Tue 22/922:40
LHR
-
GMP
1 stop30h 25m
Air China
Mon 12/1014:25
GMP
-
LHR
1 stop35h 15m
Air China
Deal found 2/5£523
Mon 25/521:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Wed 17/620:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Deal found 1/5£533
Fri 2/1012:35
LGW
-
GMP
1 stop16h 30m
Air China
Sun 18/1014:25
GMP
-
LGW
1 stop24h 20m
Air China
Deal found 4/5£533
Mon 4/522:00
LHR
-
ICN
2 stops38h 25m
Multiple Airlines
Mon 11/516:20
ICN
-
LHR
1 stop34h 20m
Multiple Airlines
Deal found 3/5£535
Tue 15/911:35
LGW
-
ICN
2 stops19h 20m
Multiple Airlines
Fri 20/1118:25
ICN
-
LGW
1 stop28h 35m
Multiple Airlines
Deal found 1/5£535
Wed 6/522:00
LHR
-
ICN
1 stop38h 25m
Multiple Airlines
Wed 13/508:55
ICN
-
LHR
1 stop17h 45m
Multiple Airlines
Deal found 30/4£535

Find flight deals from United Kingdom to Seoul

Keep the following information in mind while searching for United Kingdom to Seoul flight deals. Data was last updated 5 May 2026.

Round-trip from

£473

One-way from

£292

Popular in

July

Cheapest in

November

Average price

£572

Good round-trip deal

£856 or less

Good one-way deal

£479 or less
Air China
  • Air China
  • 15/9-15/10
  • 2 total stops
  • 40h 40m total
  • United Kingdom to Seoul
Search Deals
17/5
  • 17/5
  • 3 total stops
  • 45h 20m total
  • United Kingdom to Seoul
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from United Kingdom to Seoul (SEL).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Seoul 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 5 May 2026.
Use the filters below to find and compare flights from the United Kingdom to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 30/5

21:20-13:15

3 stops55h 55m

Incheon Intl

Sun 7/6

16:20-18:40

1 stop34h 20m

£576

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

£584

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 19/10

22:05-16:45

1 stop34h 40m

Incheon Intl

Tue 27/10

16:45-19:10

1 stop35h 25m

£592

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

£606

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Thu 28/5

11:35-17:25

1 stop21h 50m

Incheon Intl

Sat 25/7

15:50-06:40

2 stops46h 50m

£608

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Mon 28/9

18:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Thu 15/10

12:00-06:40

1 stop26h 40m

£640

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sun 27/9

11:35-19:50

1 stop24h 15m

Seoul Gimpo Intl

Mon 12/10

20:50-15:00

1 stop26h 10m

£642

LondonIncheon

LTN - ICN

LTNICN

London Luton

Thu 28/5

17:30-13:15

3 stops35h 45m

Incheon Intl

Thu 4/6

08:55-08:30

2 stops31h 35m

£644

LondonIncheon

LTN - ICN

LTNICN

London Luton

Sat 16/5

18:15-11:55

2 stops33h 40m

Incheon Intl

Mon 25/5

16:20-14:35

2 stops30h 15m

£672

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 2/7

08:25-17:05

1 stop24h 40m

Incheon Intl

Sun 9/8

01:20-08:00

1 stop38h 40m

£692

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from United Kingdom to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

How far ahead should I book a flight from United Kingdom to Seoul?

To ensure you get the cheapest price possible for a flight from United Kingdom to Seoul, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from United Kingdom to Seoul (average of £424). Flying from United Kingdom to Seoul in December is currently the most expensive (average of £834). 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 SEL?

Find hourly flight availability from United Kingdom to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 May 2026.

A simple way to save on the total cost of your ticket is to fly from United Kingdom to Seoul at midday. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the evening.

Weekly flight availability from United Kingdom to Seoul

Explore weekly flight availability from United Kingdom to Seoul. 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 5 May 2026.

The most flights from GB0 to SEL 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).

How often are flights from the United Kingdom to Seoul delayed?

About 0% of weekly flights between United Kingdom and Seoul have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for the United Kingdom to Seoul flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated 5 May 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andVirgin Atlantic from the United Kingdom to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
1,216 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
8.1
Very Good
530 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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.
Virgin Atlantic
7.4
Good
688 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
7.3
Good
148 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
7,974 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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 Seoul. 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 Seoul?

    Departing from United Kingdom to Seoul will take you 34h 40m. There are 5503 mi between United Kingdom and Seoul. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    £191 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on China Eastern and China Southern, with prices starting from £214 and £237, respectively.

  • What are the most popular routes from United Kingdom to Seoul?

    While some choose either London Heathrow - Seoul Gimpo Intl or London Gatwick - Incheon Intl, London Heathrow - Incheon Intl is the most popular route from United Kingdom to Seoul.

  • What are the most reliable airlines from United Kingdom to Seoul?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from United Kingdom to Seoul on time: Virgin Atlantic (90%), Korean Air (73%), Asiana Airlines (39%).

  • What are the cheapest flights from United Kingdom to Seoul?

    Looking at all options, your cheapest flight can be booked for £413. While the most popular route (London Heathrow - Incheon Intl) can be booked for £440 on average, our data indicates £1,037 when flying from United Kingdom to Seoul.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Seoul 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 Seoul?

    Currently, November is the cheapest month in which you can book a flight from United Kingdom to Seoul (average of £424). Flying from United Kingdom to Seoul in December is currently the most expensive (average of £834). 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.

Top 10 airlines flying from United Kingdom to Seoul

Discover the top 10 airlines that operate flights from United Kingdom to Seoul. 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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£246Average£383FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£325Average£698FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ChinaCheapest£341Average£480FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£356Average£612FlexibilityNo cancel feeOn-time69%
Search China Southern flights
LufthansaCheapest£416Average£681FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£439Average£597FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Qatar AirwaysCheapest£481Average£759FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air FranceCheapest£486Average£711FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£488Average£855FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£498Average£666FlexibilityNo cancel feeOn-time75%
Search Etihad Airways 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 Seoul?

Deals for United Kingdom to Seoul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Seoul for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from United Kingdom to Seoul with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from United Kingdom to Seoul and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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