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

View AU$570 flight on Thu, 17 Sept 2026Opens in a new window

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

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

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.

Lufthansa
Thu, 11 Mar - Fri, 26 Mar
LHR
London
ICN
Seoul
AU$931 Return, found 6 days ago
AU$931
Return
found 6 days ago
Select Lufthansa flight, departing Thu, 11 Mar from London to Seoul, returning Fri, 26 Mar, priced at AU$931 found 6 days ago
China Southern Airlines
Thu, 3 Sept - Thu, 10 Sept
LHR
London
ICN
Seoul
AU$1,005 Return, just found
AU$1,005
Return
just found
Select China Southern Airlines flight, departing Thu, 3 Sept from London to Seoul, returning Thu, 10 Sept, priced at AU$1,005 just found
Air India
Thu, 3 Sept - Tue, 8 Sept
LHR
London
ICN
Seoul
AU$1,056 Return, found 4 days ago
AU$1,056
Return
found 4 days ago
Select Air India flight, departing Thu, 3 Sept from London to Seoul, returning Tue, 8 Sept, priced at AU$1,056 found 4 days ago
Air China
Wed, 4 Nov - Thu, 19 Nov
LHR
London
ICN
Seoul
AU$1,127 Return, found 1 day ago
AU$1,127
Return
found 1 day ago
Select Air China flight, departing Wed, 4 Nov from London to Seoul, returning Thu, 19 Nov, priced at AU$1,127 found 1 day ago
Scandinavian Airlines
Wed, 4 Nov - Thu, 19 Nov
LHR
London
ICN
Seoul
AU$1,196 Return, found 1 day ago
AU$1,196
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 4 Nov from London to Seoul, returning Thu, 19 Nov, priced at AU$1,196 found 1 day ago
Etihad Airways
Sat, 14 Nov - Sat, 5 Dec
LHR
London
ICN
Seoul
AU$1,232 Return, found 3 days ago
AU$1,232
Return
found 3 days ago
Select Etihad Airways flight, departing Sat, 14 Nov from London to Seoul, returning Sat, 5 Dec, priced at AU$1,232 found 3 days ago
Finnair
Tue, 19 Jan - Thu, 28 Jan
LHR
London
ICN
Seoul
AU$1,257 Return, found 6 days ago
AU$1,257
Return
found 6 days ago
Select Finnair flight, departing Tue, 19 Jan from London to Seoul, returning Thu, 28 Jan, priced at AU$1,257 found 6 days ago
China Eastern Airlines
Sat, 14 Nov - Sat, 5 Dec
LHR
London
ICN
Seoul
AU$1,281 Return, found 3 days ago
AU$1,281
Return
found 3 days ago
Select China Eastern Airlines flight, departing Sat, 14 Nov from London to Seoul, returning Sat, 5 Dec, priced at AU$1,281 found 3 days ago
LOT-Polish Airlines
Sat, 14 Nov - Sat, 5 Dec
LHR
London
ICN
Seoul
AU$1,365 Return, found 3 days ago
AU$1,365
Return
found 3 days ago
Select LOT-Polish Airlines flight, departing Sat, 14 Nov from London to Seoul, returning Sat, 5 Dec, priced at AU$1,365 found 3 days ago
Swiss International Air Lines
Tue, 13 Oct - Wed, 21 Oct
LHR
London
ICN
Seoul
AU$1,389 Return, found 3 days ago
AU$1,389
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Tue, 13 Oct from London to Seoul, returning Wed, 21 Oct, priced at AU$1,389 found 3 days ago

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.) cost?
You can find cheap one-way flights from AU$570 and cheap return flights from AU$931 LHR to ICN with Expedia. Return flights often range between AU$1,492 and AU$7,718. 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 LHR to ICN ticket fares go up or down.
What is the cheapest month to fly from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
If you're looking for the cheapest time to fly from London Heathrow (LHR) to Seoul Incheon Intl. (ICN), November is typically your best bet. You can expect average return fares around AU$1140 during this month. Other budget-friendly months to consider for this route include January and March.
Which airlines fly direct from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
There are 3 airlines offering direct flights from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.). Here are the carriers:
  • Korean Air operates 7 direct flights from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.) every week.
  • Asiana Airlines operates 7 direct flights from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.) every week.
  • Virgin Atlantic operates 7 direct flights from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.) every week.
What is the cheapest airline that flies from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
Shenzhen Airlines is one of the cheapest airlines offering connecting return flights from London Heathrow (LHR) to Seoul Incheon Intl. (ICN), with prices starting from around AU$1283. Asiana Airlines is one of the cheapest airlines offering nonstop return flights from London Heathrow (LHR) to Seoul Incheon Intl. (ICN), with prices starting from around AU$1303 for flights that can be booked for departure within the next year. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from London (LHR) to Seoul (ICN)?
To find a cheap flight from London (LHR) to Seoul (ICN), 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 London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
The best airline to fly with from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.) will differ from traveler to traveler. If you like to fly early, Korean Air offers early morning flights. If price is the most important factor, Asiana Airlines typically offers the lowest fares. Lufthansa offers the most daily flights from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.), 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 London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
The best time to fly from London Heathrow (LHR) to Seoul Incheon Intl. (ICN) is typically March. This month offers a great balance—it's one of the cheapest months to fly, with average return flights around AU$1140, and it's also a very popular time to travel, meaning you'll have plenty of flight options. March brings pleasant spring weather to Seoul, making it an ideal time to visit. If you're flexible, March gives you both affordable fares and excellent flight schedules to work with.
How many flights per day from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
You'll find approximately 3 nonstop flights per day from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.). For even more choices, look at flights that include layovers, as there are around 145 connecting flights per day. Some common connection points include Franz Josef Strauss Intl. (MUC), Frankfurt Intl. (FRA), and Roissy-Charles de Gaulle (CDG).
What is the earliest flight from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
The earliest flight from London Heathrow (LHR) to Seoul Incheon Intl. (ICN) typically departs around 6:00 AM. This service is offered by Air Baltic and Swiss International Air Lines. This is a seasonal service active in March, April, May, June, July, August, and October. 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 London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
You'll generally find the most flights from London Heathrow (LHR) to Seoul Incheon Intl. (ICN) on a Tuesday, with around 90 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Lufthansa, Qatar Airways, and SAS. Flight options are notably more plentiful on Tuesdays compared to other days of the week, offering you more flexibility.
What are the most popular departure times for flights from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
The most popular departure times for flights from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.) are between 9am and 12pm. Many major carriers, including Lufthansa, SAS and Finnair, offer flights during this window. Many travellers prefer these times because it allows for a morning departure, giving you a full day to settle in upon arrival.
How long does it take to fly from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
A nonstop flight from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.) typically takes around 12 hours 48 minutes. This route covers a distance of approximately 8,863 kilometers. If you opt for a one-stop flight, your journey will usually take longer, averaging about 18 hours. Flights with two or more stops will extend your travel time even further, typically to around 23 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from London (LHR-Heathrow) to Seoul (ICN-Incheon Intl.)?
You can fly business class or first class between LHR and ICN. Airlines that offer business class service on this route include:
  • Qatar Airways
  • LOT-Polish Airlines
  • SAS
  • Vietnam Airlines
  • Turkish Airlines
  • Etihad Airways
  • Emirates
  • Swiss International Air Lines
  • Malaysia Airlines
  • Air Baltic
  • Korean Air
  • KLM
  • Thai Airways International
  • China Eastern Airlines
  • Eurowings
  • SriLankan Airlines
  • Lufthansa
  • Air France
  • Singapore Airlines
  • Air India
  • Cathay Pacific
  • Aegean
  • Air Astana
  • ITA Airways
  • Asiana Airlines
  • Air China
  • Air Canada
  • Med View Airlines
  • British Airways
  • China Southern Airlines
  • Virgin Atlantic
  • Ethiopian Airlines
  • United
  • Austrian Airlines
  • All Nippon Airways
  • Finnair
  • Japan Airlines
  • American Airlines
  • EVA Airways
  • China Airlines
First class cabins are available on Emirates and Korean Air.
How do I earn miles on a London (LHR) to Seoul (ICN) flight with Expedia?
It's easy to earn miles on a London (LHR) to Seoul (ICN) 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 Seoul (ICN) from London (LHR)?
If you're planning to travel to Seoul from Heathrow (LHR), you can fly directly into Incheon Intl. (ICN). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Gardermoen (OSL), or Vienna Intl. (VIE) before reaching Seoul. 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 London (LHR) to Seoul (ICN) at the last minute?
Typically, booking a last minute flight from London (LHR) to Seoul (ICN) 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 London (LHR) to Seoul (ICN) flight and hotel package?
Securing a London (LHR) to Seoul (ICN) 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 London (LHR) to Seoul (ICN)?
If you booked your London (LHR) to Seoul (ICN) 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
Heathrow
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air India, Asiana Airlines, Cathay Pacific, China Eastern Airlines, China Southern Airlines, EVA Airways, Emirates, Etihad Airways, Finnair, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Scandinavian Airlines, Singapore Airlines, Turkish Airlines, United, Virgin Atlantic
Return price
AU$931
Distance
8809 km
Average flight time
20 hours 41 mins

Book with confidence

Your quick guide to flights from London to Seoul

Pick up great flights from London to Seoul

With Expedia, you have your pick of flights a day with 20 airlines covering flights from London to Seoul. 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 London to Seoul that take around hours.

Find cheap flights from London to Seoul

From the great flight deals with prices currently ranging from AU$931 to AU$1,389, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to Seoul 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 Seoul is normally in March.

Reasons to book your flight from London to Seoul 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 London to Seoul 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 Seoul 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 London to Seoul

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