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

You can find one-way and return flights from ICN to LHR with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when ICN to LHR ticket fares go up or down.

April is typically the cheapest month to fly from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow), with average return fares around AU$1150. April often sees lower prices as it falls outside of peak holiday seasons, making it a great time to find deals. March and May are also good months to find deals on this route.

You have 3 airlines offering direct flights from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow). Here are the carriers:

* Korean Air operates 7 direct flights from ICN to LHR every week.
* Asiana Airlines operates 7 direct flights from ICN to LHR every week.
* Virgin Atlantic operates 7 direct flights from ICN to LHR every week.

To find a cheap flight from Seoul (ICN) to London (LHR), 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.

The best airline to fly with from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) 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 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.

The best time to fly from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) is typically April. This month offers a great balance—it's one of the cheapest months to fly, with return flights averaging around AU$1150, and it's also a popular time to travel, meaning you'll have plenty of flight options. April brings pleasant spring weather to London, making it an ideal time to visit. If you're flexible, April gives you both affordable fares and excellent flight schedules to work with.

You'll find around 3 nonstop flights per day from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow). For even more choices, look at flights that include layovers, as there are approximately 85 connecting flights per day. Some common connection points include Capital Intl. (PEK), Franz Josef Strauss Intl. (MUC), and Frankfurt Intl. (FRA).

The earliest flight from Seoul (ICN-Incheon Intl.) to London (LHR-Heathrow) typically departs around 12:05 AM local time. This service is 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.

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 travel plans. Major airlines on this route include Asiana Airlines, Korean Air, and Cathay Pacific. Flight schedules are fairly consistent throughout the week, with Tuesday offering only slightly more options than other days.

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. Many major carriers, including Emirates, SAS and Turkish Airlines, offer flights during this window. Many travellers prefer these times because you can make the most of your day in Seoul before your evening flight, and you'll arrive in London in the morning, ready to start your day.

A nonstop flight from ICN to LHR typically takes around 14 hours 30 minutes, covering approximately 8,863 kilometers. Connecting flights on this route usually add 6 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

You can fly business class or first class between ICN and LHR. Airlines that offer business class service on this route include:

• Lufthansa
• Air France
• Swiss International Air Lines
• Malaysia Airlines
• China Southern Airlines
• Turkish Airlines
• Air India
• Singapore Airlines
• KLM
• Thai Airways International
• Korean Air
• China Eastern Airlines
• Shanghai Airlines
• SriLankan Airlines
• Etihad Airways
• Air Canada
• Shenzhen Airlines
• Emirates
• Asiana Airlines
• Qatar Airways
• LOT-Polish Airlines
• SAS
• Vietnam Airlines
• Cathay Pacific
• Air Astana
• Air China
• Royal Brunei Airlines
• China Airlines
• Virgin Atlantic
• Ethiopian Airlines
• Finnair
• United
• EVA Airways
• American Airlines

First class cabins are available on Korean Air and Emirates.

It's easy to earn miles on a Seoul (ICN) to London (LHR) 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.

If you're planning to travel to London from Incheon Intl. (ICN), you can fly directly into Heathrow (LHR). Some flights may connect through major hubs like Kastrup (CPH), Pudong Intl. (PVG), or Almaty Intl. (ALA) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Seoul (ICN) to London (LHR) 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.

Securing a Seoul (ICN) to London (LHR) 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.

If you booked your Seoul (ICN) to London (LHR) 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.