£404 Cheap Flights from London (LHR) to Seoul (GMP)

View £404 flight on Thu, 30 Apr 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Gimpo Intl. Airport (GMP)

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

Prices were available within the past 7 days and start at £404 for one-way flights and £521 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Sat, 19 Sept - Sat, 10 Oct
LHR
London
GMP
Seoul
£521 Return, found 15 hours ago
£521
Return
found 15 hours ago
Select Air China flight, departing Sat, 19 Sept from London to Seoul, returning Sat, 10 Oct, priced at £521 found 15 hours ago
Air China
Tue, 22 Sept - Wed, 14 Oct
LHR
London
GMP
Seoul
£572 Return, found 3 days ago
£572
Return
found 3 days ago
Select Air China flight, departing Tue, 22 Sept from London to Seoul, returning Wed, 14 Oct, priced at £572 found 3 days ago
China Southern Airlines
Wed, 27 May - Thu, 26 Nov
LHR
London
GMP
Seoul
£607 Return, found 4 days ago
£607
Return
found 4 days ago
Select China Southern Airlines flight, departing Wed, 27 May from London to Seoul, returning Thu, 26 Nov, priced at £607 found 4 days ago
China Southern Airlines
Tue, 10 Nov - Wed, 2 Dec
LHR
London
GMP
Seoul
£626 Return, found 4 days ago
£626
Return
found 4 days ago
Select China Southern Airlines flight, departing Tue, 10 Nov from London to Seoul, returning Wed, 2 Dec, priced at £626 found 4 days ago
China Southern Airlines
Wed, 27 May - Wed, 3 Jun
LHR
London
GMP
Seoul
£650 Return, found 4 hours ago
£650
Return
found 4 hours ago
Select China Southern Airlines flight, departing Wed, 27 May from London to Seoul, returning Wed, 3 Jun, priced at £650 found 4 hours ago
China Southern Airlines
Mon, 26 Oct - Thu, 17 Dec
LHR
London
GMP
Seoul
£651 Return, found 1 hour ago
£651
Return
found 1 hour ago
Select China Southern Airlines flight, departing Mon, 26 Oct from London to Seoul, returning Thu, 17 Dec, priced at £651 found 1 hour ago
Air China
Mon, 21 Sept - Thu, 26 Nov
LHR
London
GMP
Seoul
£659 Return, found 3 hours ago
£659
Return
found 3 hours ago
Select Air China flight, departing Mon, 21 Sept from London to Seoul, returning Thu, 26 Nov, priced at £659 found 3 hours ago
Lufthansa
Sat, 28 Nov - Thu, 28 Jan
LHR
London
GMP
Seoul
£662 Return, found 5 days ago
£662
Return
found 5 days ago
Select Lufthansa flight, departing Sat, 28 Nov from London to Seoul, returning Thu, 28 Jan, priced at £662 found 5 days ago
China Eastern Airlines
Mon, 27 Apr - Sun, 3 May
LHR
London
GMP
Seoul
£974 Return, found 2 days ago
£974
Return
found 2 days ago
Select China Eastern Airlines flight, departing Mon, 27 Apr from London to Seoul, returning Sun, 3 May, priced at £974 found 2 days ago
Japan Airlines
Sun, 31 May - Tue, 23 Jun
LHR
London
GMP
Seoul
£993 Return, found 3 days ago
£993
Return
found 3 days ago
Select Japan Airlines flight, departing Sun, 31 May from London to Seoul, returning Tue, 23 Jun, priced at £993 found 3 days ago

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city centre is 47 minutes. Flights from £655
ICN
Incheon Intl.
Cheapest
Average driving time to city centre47 min
Flights from £655

Frequently asked questions

How much is a flight from LHR to Gimpo Intl. Airport (GMP)?
If you're travelling between London Heathrow and Gimpo Intl. Airport (GMP), round-trip journeys start from £521. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Gimpo Airport?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee all comes down to your airline. If you do have to cancel your holiday, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from London Heathrow to GMP that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to Gimpo Intl. Airport (GMP) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to GMP?
With around 8,900 kilometres separating Heathrow Airport (LHR) and Gimpo Airport, your flight will be a long one. Pack wisely and make your journey comfortable. Simple things like an extra pair of socks and some noise-cancelling headphones should be in your carry-on bag.
Which airlines fly direct from Heathrow Airport (LHR) to Gimpo Airport?
Unfortunately, there are no airlines that directly fly between Heathrow Airport and Gimpo Airport. You'll have to book a flight with one or more stops.
Are Heathrow Airport to GMP flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a great last-minute deal from Heathrow Airport (LHR) to Gimpo Intl. Airport (GMP), but it's also possible to miss out entirely! As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest assured you're always getting the latest offers.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.) cost?
One-way flights typically cost between £781 and £4,698 and return flights often range between £781 and £4,698. 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 London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.)?
To find a cheap flight from London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.), 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 London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.)?
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 London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.)?
There are approximately 36 connecting flights per day from London Heathrow (LHR) to Seoul Gimpo Intl. (GMP). Some common connection points include Franz Josef Strauss Intl. (MUC), Frankfurt Intl. (FRA), and Haneda (HND).
What is the earliest flight from London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.)?
The earliest flight from London Heathrow (LHR) to Seoul Gimpo Intl. (GMP) typically departs at approximately 6:00 AM local time. This service is seasonal, active only in June, and is operated by airlines such as Austrian Airlines, ANA, and Asiana Airlines. 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 (GMP-Gimpo Intl.)?
You'll typically find the most flights from London Heathrow (LHR) to Seoul Gimpo Intl. (GMP) on a Tuesday, with around 33 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Lufthansa, Emirates, and Vueling.
What are the most popular departure times for flights from London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.)?
The most popular departure times for flights from London Heathrow (LHR) to Seoul Gimpo Intl. (GMP) are in the morning, from 6am to 9am. About 55% of passengers prefer this time. This timing works well because it allows you to start your journey early and arrive at your destination with plenty of time to settle in.
How long does it take to fly from London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.)?
Flying from LHR to GMP with a connection usually takes about 18 hours 30 minutes, traveling roughly 5,511 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 London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.)?
Select the "Business class" and "First class" filters when looking for LHR to GMP 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 London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.) 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 from Heathrow (LHR)?
When traveling from Heathrow (LHR) to Seoul, you can fly into Incheon Intl. (ICN) and Gimpo Intl. (GMP). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Vienna Intl. (VIE), Gardermoen (OSL) 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-Heathrow) to Seoul (GMP-Gimpo Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.) 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-Heathrow) to Seoul (GMP-Gimpo Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.) 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-Heathrow) to Seoul (GMP-Gimpo Intl.)?
If you booked your London (LHR-Heathrow) to Seoul (GMP-Gimpo Intl.) 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
Gimpo Intl.
Airlines serving
Air China, All Nippon Airways, China Southern Airlines, Japan Airlines
Return price
£520
Distance
8815 km

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