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

View AU$296 flight on Thu, 11 June 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Heathrow Airport (LHR)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Wed, 20 May - Wed, 27 May
ICN
Seoul
LHR
London
AU$774 Return, found 4 hours ago
AU$774
Return
found 4 hours ago
Select China Eastern Airlines flight, departing Wed, 20 May from Seoul to London, returning Wed, 27 May, priced at AU$774 found 4 hours ago
Lufthansa
Sun, 10 May - Sat, 16 May
ICN
Seoul
LHR
London
AU$987 Return, found 2 days ago
AU$987
Return
found 2 days ago
Select Lufthansa flight, departing Sun, 10 May from Seoul to London, returning Sat, 16 May, priced at AU$987 found 2 days ago
Finnair
Thu, 10 Dec - Mon, 11 Jan
ICN
Seoul
LHR
London
AU$1,006 Return, found 3 days ago
AU$1,006
Return
found 3 days ago
Select Finnair flight, departing Thu, 10 Dec from Seoul to London, returning Mon, 11 Jan, priced at AU$1,006 found 3 days ago
Scandinavian Airlines
Sat, 28 Nov - Thu, 17 Dec
ICN
Seoul
LHR
London
AU$1,030 Return, found 3 days ago
AU$1,030
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Sat, 28 Nov from Seoul to London, returning Thu, 17 Dec, priced at AU$1,030 found 3 days ago
Air China
Sun, 8 Nov - Tue, 24 Nov
ICN
Seoul
LHR
London
AU$1,075 Return, found 2 days ago
AU$1,075
Return
found 2 days ago
Select Air China flight, departing Sun, 8 Nov from Seoul to London, returning Tue, 24 Nov, priced at AU$1,075 found 2 days ago
Etihad Airways
Wed, 12 Aug - Fri, 28 Aug
ICN
Seoul
LHR
London
AU$1,097 Return, found 2 hours ago
AU$1,097
Return
found 2 hours ago
Select Etihad Airways flight, departing Wed, 12 Aug from Seoul to London, returning Fri, 28 Aug, priced at AU$1,097 found 2 hours ago
China Southern Airlines
Mon, 9 Nov - Sun, 22 Nov
ICN
Seoul
LHR
London
AU$1,192 Return, found 4 days ago
AU$1,192
Return
found 4 days ago
Select China Southern Airlines flight, departing Mon, 9 Nov from Seoul to London, returning Sun, 22 Nov, priced at AU$1,192 found 4 days ago
LOT-Polish Airlines
Mon, 8 Mar - Mon, 22 Mar
ICN
Seoul
LHR
London
AU$1,218 Return, found 2 days ago
AU$1,218
Return
found 2 days ago
Select LOT-Polish Airlines flight, departing Mon, 8 Mar from Seoul to London, returning Mon, 22 Mar, priced at AU$1,218 found 2 days ago
Qatar Airways
Wed, 20 May - Wed, 27 May
ICN
Seoul
LHR
London
AU$1,302 Return, found 4 hours ago
AU$1,302
Return
found 4 hours ago
Select Qatar Airways flight, departing Wed, 20 May from Seoul to London, returning Wed, 27 May, priced at AU$1,302 found 4 hours ago
Swiss International Air Lines
Sat, 9 May - Thu, 14 May
ICN
Seoul
LHR
London
AU$1,322 Return, found 3 days ago
AU$1,322
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, 9 May from Seoul to London, returning Thu, 14 May, priced at AU$1,322 found 3 days ago

Alternative airports near London

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

Select flight to Gatwick LGW. Average driving time to city centre is 52 minutes. Flights from AU$1,384
LGW
Gatwick
Average driving time to city centre52 min
Flights from AU$1,384

Frequently asked questions

What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
April is typically the cheapest month to fly from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow), with average return fares of approximately 1939 AUD. This is about 24% lower than the average price throughout the year. April often sees lower prices as it falls outside of peak holiday seasons, making it a good time to find deals. Other cheap months to fly from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) include March and May.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
Enter ICN to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow), 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 airline to fly with from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
The best airline to fly with from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) will differ from traveller to traveller. If you like to fly early, KE offers early morning flights. If price is the most important factor, OZ typically offers the lowest fares. OZ offers the most daily flights from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
Based on booking data from the past year, the cheapest months to fly from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) are typically April and May, with average prices around 1939 AUD. However, the most popular months for this route are June and January, which means you'll find plenty of flight options during those times. While there isn't a single month that is both the cheapest and most popular, April and May offer great value if you're looking for lower fares, and you can still find good flight availability.
How many flights per day from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
There are approximately 3 nonstop flights per day from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow). For even more choice, look at flights that include layovers. You'll find around 90 connecting flights per day. Some common connection points include Capital Intl. (PEK), Franz Josef Strauss Intl. (MUC), and Pudong Intl. (PVG).
What is the earliest flight from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
The earliest flight from Seoul (ICN-Incheon Intl.) (ICN) to London (LHR-Heathrow) (LHR) typically departs at approximately 12:05 AM local time, operated by Ethiopian Airlines. This is a seasonal service active in January, November, and December. An early departure like this can help you make the most of 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 (LHR-Heathrow)?
You'll typically find the most flights from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) on a Tuesday, with around 46 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Asiana Airlines, Korean Air, and Cathay Pacific. Flight schedules are consistent throughout the week, so you'll find plenty of options regardless of your travel day.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) are in the late evening, from 9pm to midnight. Around 30% of passengers reckon this time window's best. Heaps of major carriers, including Emirates, SAS and KLM, offer flights during this window. These times work well because you can make the most of 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 (LHR-Heathrow)?
Flying nonstop from ICN to LHR takes around 14 hours 30 minutes, with the route covering approximately 5,507 miles. Flights with a layover typically take 3 hours 20 minutes longer than direct options. 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 (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for ICN to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow)?
A non-stop, one-way business class flight from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) is usually around 6,413 AUD - 6,959 AUD. You may also be able to find a cheaper business class journey between Seoul (ICN-Incheon Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) 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 London Intl. (YXU), Heathrow (LHR) and Gatwick (LGW). Some flights may connect through major hubs like Pierre Elliott Trudeau Intl. (YUL), Hong Kong Intl. (HKG), Kansai Intl. (KIX) 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 (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) 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 (LHR-Heathrow) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) 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 (LHR-Heathrow)?
If you booked your Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) 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
Heathrow
Airlines serving
Air Canada, Air China, Air France, Air India, Asiana Airlines, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Finnair, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Scandinavian Airlines, Singapore Airlines, Turkish Airlines, Virgin Atlantic
Return price
AU$774
Distance
8809 km
Average flight time
6 hours 26 mins

Book with confidence

Your quick guide to flights from Seoul to London

Pick up great flights from Seoul to London

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seoul to London. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seoul to London that take around hours.

Find cheap flights from Seoul to London

From the great flight deals with prices currently ranging from AU$774 to AU$1,322, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seoul to London around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to London is normally in May.

Reasons to book your flight from Seoul to London with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seoul to London across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to London right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Seoul to London

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