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Cheap flights from the United Kingdom to Seoul from £217

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEL
11 Jan — 18 Jan1
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 12 December 2025.

Wed 31/1219:45LHR - ICN
1 stop39h 35mMultiple Airlines
Tue 20/116:10ICN - LHR
1 stop34h 20mMultiple Airlines
Deal found 10/12£418
Thu 25/1221:30LHR - ICN
1 stop15h 45mMultiple Airlines
Sun 28/1214:50ICN - LHR
1 stop34h 05mMultiple Airlines
Deal found 10/12£505
Wed 31/1214:50LGW - ICN
2 stops35h 35mMultiple Airlines
Tue 20/112:55ICN - LGW
1 stop34h 05mMultiple Airlines
Deal found 10/12£513
Wed 31/1217:00LGW - ICN
1 stop33h 55mChina Eastern
Tue 20/112:55ICN - LGW
1 stop26h 35mChina Eastern
Deal found 10/12£515
Sun 14/1208:30LGW - ICN
1 stop22h 35mMultiple Airlines
Tue 16/1214:50ICN - LGW
1 stop23h 45mMultiple Airlines
Deal found 10/12£533
Tue 30/1220:20LGW - ICN
1 stop16h 25mMultiple Airlines
Tue 13/116:10ICN - LGW
1 stop30h 50mMultiple Airlines
Deal found 10/12£542
Fri 12/1207:30STN - ICN
3 stops28h 10mMultiple Airlines
Tue 16/1208:55ICN - STN
2 stops32h 10mMultiple Airlines
Deal found 10/12£553
Sat 13/1206:10LGW - ICN
2 stops24h 55mMultiple Airlines
Wed 17/1216:10ICN - LGW
1 stop23h 20mMultiple Airlines
Deal found 11/12£566
Wed 24/1206:35LGW - ICN
1 stop24h 30mMultiple Airlines
Fri 26/1208:55ICN - LGW
1 stop38h 05mMultiple Airlines
Deal found 11/12£574
Sun 14/1207:00LTN - ICN
1 stop24h 05mMultiple Airlines
Tue 16/1216:20ICN - LTN
2 stops31h 25mMultiple Airlines
Deal found 10/12£577
Wed 24/1219:45LHR - ICN
1 stop39h 35mHainan Airlines
Sat 27/1221:40ICN - LHR
1 stop29h 15mHainan Airlines
Deal found 11/12£580
Sun 14/1208:30STN - ICN
2 stops22h 35mMultiple Airlines
Tue 16/1211:00ICN - STN
1 stop30h 05mMultiple Airlines
Deal found 10/12£583

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 12 December 2025.

Round-trip from

£350

One-way from

£217

Popular in

July

Cheapest in

November

Average price

£651

Good round-trip deal

£743 or less

Good one-way deal

£434 or less
China Eastern
  • China Eastern
  • 20/1-27/1
  • 2 total stops
  • 45h 20m total
  • United Kingdom to Seoul
Search Deals
China Eastern
  • China Eastern
  • 25/1
  • 1 total stop
  • 33h 00m total
  • United Kingdom to Seoul
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
Use the filters below to find and compare flights from the United Kingdom to Seoul that are best for you.

Fly from

United Kingdom

Fly to

Seoul

Route

Depart

Return

Price

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Tue 20/1

17:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Wed 28/1

20:50-14:00

1 stop26h 10m

£350

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Mon 1/6

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Thu 11/6

14:25-06:35

1 stop24h 10m

£355

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 6/5

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Wed 20/5

14:25-06:35

1 stop24h 10m

£355

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sun 18/1

11:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Thu 5/2

14:25-05:35

1 stop24h 10m

£359

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Mon 8/6

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Mon 22/6

14:25-06:35

1 stop24h 10m

£359

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 22/4

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Wed 6/5

14:25-06:35

1 stop24h 10m

£361

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 13/5

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Wed 20/5

14:25-06:35

1 stop24h 10m

£361

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Tue 20/1

17:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Tue 24/2

20:50-14:00

1 stop26h 10m

£376

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Tue 6/1

20:20-21:45

1 stop16h 25m

Incheon Intl

Wed 21/1

16:20-06:30

1 stop23h 10m

£397

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/5

17:10-16:25

1 stop15h 15m

Incheon Intl

Tue 26/5

11:55-20:55

1 stop17h 00m

£426

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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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

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 £238). Flying from United Kingdom to Seoul in July is currently the most expensive (average of £603). 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 12 December 2025.

A simple way to save on the total cost of your ticket is to fly from United Kingdom to Seoul in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from United Kingdom to Seoul?

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

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

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 12 December 2025.

The most flights from GB0 to SEL 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).

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 12 December 2025.
See what other customers who have flown with Korean Air, Asiana Airlines, andChina Southern 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
1,184 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

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
1,184 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

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
492 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

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
7.5
Good
122 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

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
127 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

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
7,626 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

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 15h 15m. 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?

    £217 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on China Southern and Air China, with prices starting from £234 and £239, 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: Korean Air (88%), Virgin Atlantic (88%), Asiana Airlines (82%).

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

    Looking at all options, your cheapest flight can be booked for £396. While the most popular route (London Heathrow - Incheon Intl) can be booked for £336 on average, our data indicates £990 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 £238). Flying from United Kingdom to Seoul in July is currently the most expensive (average of £603). 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

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Alternative routes for United Kingdom to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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Budapest to Incheon Intl flights
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Southampton to Incheon Intl flights
Malpensa to Incheon Intl flights
Charles de Gaulle to Incheon Intl flights

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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£301Average£516FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£329Average£689FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China SouthernCheapest£331Average£443FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£371Average£504FlexibilityNo cancel feeOn-time67%
Search Air China flights
Scandinavian AirlinesCheapest£421Average£563FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£427Average£693FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£471Average£797FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£517Average£696FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£531Average£681FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
LOTCheapest£554Average£747FlexibilityNo cancel feeOn-time81%
Search LOT 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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