£280 Cheap Flights from Seoul (ICN) to London (LGW)

View £280 flight on Wed, 21 Oct 2026Opens in a new window

Flight 1

Popular airlines from Incheon Intl. Airport (ICN) to Gatwick Airport (LGW)

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Cheap Flights from Seoul (ICN) to London (LGW)

Prices were available within the past 7 days and start at £280 for one-way flights and £404 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Tue, 19 May - Mon, 25 May
ICN
Seoul
LGW
London
£404 Return, found 6 days ago
£404
Return
found 6 days ago
Select China Eastern Airlines flight, departing Tue, 19 May from Seoul to London, returning Mon, 25 May, priced at £404 found 6 days ago
China Eastern Airlines
Fri, 18 Dec - Wed, 6 Jan
ICN
Seoul
LGW
London
£511 Return, found 6 hours ago
£511
Return
found 6 hours ago
Select China Eastern Airlines flight, departing Fri, 18 Dec from Seoul to London, returning Wed, 6 Jan, priced at £511 found 6 hours ago
China Eastern Airlines
Mon, 25 May - Sat, 30 May
ICN
Seoul
LGW
London
£528 Return, found 1 day ago
£528
Return
found 1 day ago
Select China Eastern Airlines flight, departing Mon, 25 May from Seoul to London, returning Sat, 30 May, priced at £528 found 1 day ago
China Eastern Airlines
Sat, 24 Oct - Sat, 14 Nov
ICN
Seoul
LGW
London
£533 Return, found 3 hours ago
£533
Return
found 3 hours ago
Select China Eastern Airlines flight, departing Sat, 24 Oct from Seoul to London, returning Sat, 14 Nov, priced at £533 found 3 hours ago
Air China
Fri, 18 Dec - Wed, 6 Jan
ICN
Seoul
LGW
London
£551 Return, found 6 hours ago
£551
Return
found 6 hours ago
Select Air China flight, departing Fri, 18 Dec from Seoul to London, returning Wed, 6 Jan, priced at £551 found 6 hours ago
China Eastern Airlines
Wed, 27 May - Wed, 10 Jun
ICN
Seoul
LGW
London
£555 Return, found 8 hours ago
£555
Return
found 8 hours ago
Select China Eastern Airlines flight, departing Wed, 27 May from Seoul to London, returning Wed, 10 Jun, priced at £555 found 8 hours ago
China Eastern Airlines
Mon, 19 Oct - Sat, 24 Oct
ICN
Seoul
LGW
London
£557 Return, found 2 days ago
£557
Return
found 2 days ago
Select China Eastern Airlines flight, departing Mon, 19 Oct from Seoul to London, returning Sat, 24 Oct, priced at £557 found 2 days ago
China Southern Airlines
Fri, 23 Oct - Sat, 7 Nov
ICN
Seoul
LGW
London
£601 Return, found 4 days ago
£601
Return
found 4 days ago
Select China Southern Airlines flight, departing Fri, 23 Oct from Seoul to London, returning Sat, 7 Nov, priced at £601 found 4 days ago
Swiss International Air Lines
Wed, 6 May - Fri, 15 May
ICN
Seoul
LGW
London
£615 Return, found 2 days ago
£615
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, 6 May from Seoul to London, returning Fri, 15 May, priced at £615 found 2 days ago
Emirates
Mon, 4 May - Mon, 11 May
ICN
Seoul
LGW
London
£633 Return, just found
£633
Return
just found
Select Emirates flight, departing Mon, 4 May from Seoul to London, returning Mon, 11 May, priced at £633 just found

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city centre is 28 minutes. Flights from £589
LHR
Heathrow
Cheapest
Average driving time to city centre28 min
Flights from £589
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £1,020
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £1,020

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) cost?
One-way flights typically cost between £325 and £1,521 and return flights often range between £325 and £1,521. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
There are approximately 48 connecting flights per day from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick). Some common connection points include Schiphol (AMS), Pudong Intl. (PVG), and Capital Intl. (PEK).
What is the earliest flight from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
The earliest flight from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) typically departs at approximately 12:10 AM local time, operated by Turkish Airlines. This is a seasonal service active in March. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
You'll typically find the most flights from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) on a Friday, with around 32 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Singapore Airlines, Korean Air, and China Eastern Airlines. Looking at the overall week, Friday offers notably more flight options compared to other days.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) are in the late evening, from 9pm to midnight. About 71% of passengers prefer this time window. Many major carriers, including Emirates, KLM and Air France, offer flights during this window. These times work well because you can maximise your time in Seoul before your evening flight, and you'll arrive in London in the morning ready to explore.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
A flight from ICN to LGW with a layover takes around 20 hours 50 minutes, with the route covering approximately 5,516 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
Select the "Business class" and "First class" filters when looking for ICN to LGW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from Incheon Intl. (ICN)?
When traveling from Incheon Intl. (ICN) to London, you can fly into Heathrow (LHR), London Intl. (YXU) and Gatwick (LGW). Some flights may connect through major hubs like Kastrup (CPH), Pudong Intl. (PVG), Franz Josef Strauss Intl. (MUC) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick)?
If you booked your Seoul (ICN-Incheon Intl.) to London (LGW-Gatwick) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
Gatwick
Airlines serving
Air China, Air Europa, Air France, China Eastern Airlines, China Southern Airlines, Emirates, Ethiopian Airlines, KLM, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines
Return price
£403
Distance
8822 km

Book with confidence

Compare flights from Seoul to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seoul to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Gatwick in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Incheon Intl. to Gatwick.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Incheon Intl. (ICN) to Gatwick (LGW)

The easiest way to view the best deals on flights from Seoul to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Incheon Intl. to Gatwick start at just £404 and range up to £633.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seoul and London
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seoul to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Incheon Intl. to Gatwick for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Seoul to London easily and book with confidence

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