Q: How much does it cost for a return flight from Seoul to London Heathrow Airport?

Airfare is below average for this route at the moment. Seoul to London Heathrow Airport flights typically cost between £649 and £945 in November. The cheapest return flight price found within the last 3 days was £504 on Multiple Airlines (28 Nov-30 Nov).

Question 1

What’s the cheapest stopover airport for flights from Seoul to London Heathrow Airport?

Accepted Answer

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £400.

Question 2

Which airport typically offers the quickest stopover for flights from Seoul to London Heathrow Airport?

Accepted Answer

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 28m.

Question 3

How much does it cost for a return flight from Seoul to London Heathrow Airport?

Accepted Answer

Airfare is below average for this route at the moment.Seoul to London Heathrow Airport flights typically cost between £649 and £945 in November.
The cheapest return flight price found within the last 3 days was £504 on Multiple Airlines (28 Nov-30 Nov).

Question 4

What’s the top stopover airport for flights from Seoul to London Heathrow Airport?

Accepted Answer

Beijing (PEK) – chosen by Cheapflights users on 27% of one-stop itineraries from Seoul to London Heathrow Airport on Cheapflights.

Question 5

What’s the fastest stopover option from Seoul to London Heathrow Airport?

Accepted Answer

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 14h 05m.

Question 6

How long is the flight from Seoul to London Heathrow Airport?

Accepted Answer

China Eastern, China Southern, and Lufthansa can get you from Seoul to London Heathrow Airport in just under 16h 45m. Your travel time can differ by up to 21h 55m. Airlines will cover a distance of 5503 mi. This flight may include one or multiple stops.

Question 7

What are the cheapest airlines flying from Seoul to London Heathrow Airport round-trip?

Accepted Answer

China Eastern, at £353, was found to be the cheapest airline from Seoul to London Heathrow Airport.Alternate airlines flying return to your destination include Air China and Asiana Airlines. These flights start at 48% lower than the current average price 3 months from now.

Question 8

What are the cheapest airlines to fly from Seoul to London Heathrow Airport one-way?

Accepted Answer

The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as £231. However, be on the lookout for offers from Malaysia Airlines and China Southern, as they are both options that can get you from Seoul to London Heathrow Airport for a low price.

Question 9

How far ahead should I book a flight from Seoul to London Heathrow Airport?

Accepted Answer

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 10

What is the cheapest month to book a flight from Seoul to London Heathrow Airport?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seoul to London Heathrow Airport (average of £112). Flying from Seoul to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 11

What is the cheapest day to fly from Seoul to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their Seoul to London Heathrow Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 12

Weekly flight availability from Seoul to London Heathrow Airport

Accepted Answer

The most flights from SEL to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Question 13

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 14

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 15

What are the cheapest flights from Seoul to London Heathrow Airport?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £442. While the most popular route (Incheon Intl - London Heathrow) can be booked for £401 on average our data indicates £919 when flying from Seoul to London Heathrow Airport.

Question 16

What are the most reliable airlines from Seoul to London Heathrow Airport?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seoul to London Heathrow Airport on time: Korean Air (78%), Virgin Atlantic (73%), Asiana Airlines (53%).

Question 17

What are the most popular airlines that fly from Seoul to London Heathrow Airport?

Accepted Answer

Air China, Korean Air and China Eastern are the most popular airlines when flying from Seoul to London Heathrow Airport.

Question 18

What is the cheapest day to fly round-trip from Seoul to London Heathrow Airport?

Accepted Answer

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London Heathrow Airport. Check prices with Cheapflights to find a great deal for your trip.

Question 19

How far in advance should I book a flight from Seoul to London Heathrow Airport?

Accepted Answer

Users have found that booking a flight from Seoul to London Heathrow Airport at least 25 days early can save you up to 57% on average compared to booking a flight this week. If booking 25 days before your flight isn’t an option for you, users have found flights from Seoul to London Heathrow Airport for as little as £524 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £534 for flights departing within the next 3 days.

Question 20

What is the cheapest month to fly from Seoul to London Heathrow Airport?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, May can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Seoul in May are about £574 on average during May, but can be found for as low as £334.

Question 21

What is the cheapest time of day to fly from SEL to LHR?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Seoul to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at midday.

Question 22

Can I find deals for flights from Seoul to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Seoul to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 23

How can I find direct flights from Seoul to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Heathrow.

Question 24

Can I find deals for business class flights from Seoul to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Seoul to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 25

How does Cheapflights help users find flights from Seoul to Heathrow?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Seoul today with Cheapflights!

Question 26

Why should you use Cheapflights to find cheap flight tickets from Seoul to Heathrow?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seoul to Heathrow.

Question 27

Can Cheapflights find flights from Seoul to Heathrow with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seoul to Heathrow flexibly with Cheapflights today.

Question 28

Can Cheapflights notify me if prices for flights from Seoul to Heathrow become cheaper?

Accepted Answer

Yes! Start tracking prices for Seoul to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£504
One-way from	£231
Popular in	October
Cheapest in	March
Average price	£788
Good round-trip deal	£820 or less
Good one-way deal	£472 or less

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£353	Average£686	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air China	Cheapest£402	Average£654	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Asiana Airlines	Cheapest£646	Average£746	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Korean Air	Cheapest£670	Average£845	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights

Cheap flights from Seoul to London Heathrow Airport from £231

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Seoul to London Heathrow are usually found in March or December, booked 67 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Seoul to Heathrow

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Find flight deals from Seoul to Heathrow

Cheapest flights from Seoul to HeathrowExplore the most affordable flight options available from Seoul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Explore the most affordable flight options available from Seoul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

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Use the filters below to find and compare flights from Seoul to London Heathrow Airport that are best for you.

Best time to book a flight from Seoul to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Seoul with our price prediction graph.

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Everything you need to know about your flight from Seoul to London Heathrow Airport

How far ahead should I book a flight from Seoul to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Seoul to Heathrow. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from Seoul to London Heathrow Airport?

What is the cheapest time of day to fly from SEL to LHR?

Find hourly flight availability from Seoul to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 August 2025.

Weekly flight availability from Seoul to London Heathrow Airport

Explore weekly flight availability from Seoul to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 August 2025.

How much does it cost for a return flight from Seoul to London Heathrow Airport?

What’s the top stopover airport for flights from Seoul to London Heathrow Airport?

Share of one-stop return flights from Seoul to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from Seoul to London Heathrow Airport?

Average return fare for one-stop flights from Seoul to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from Seoul to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from Seoul to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from Seoul to London Heathrow Airport?

Average stopover duration for one-stop one-way flights from Seoul to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Korean Air, Asiana Airlines, andAir China from Seoul to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Seoul to London Heathrow Airport?

What are the cheapest airlines flying from Seoul to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Seoul to London Heathrow Airport one-way?

What are the most reliable airlines from Seoul to London Heathrow Airport?

What are the cheapest flights from Seoul to London Heathrow Airport?

Can I find deals for flights from Seoul to Heathrow that include hotel bookings?

How can I find direct flights from Seoul to Heathrow?

Can I find deals for business class flights from Seoul to Heathrow?

What is the cheapest month to book a flight from Seoul to London Heathrow Airport?

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Alternative routes for Seoul to Heathrow

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Top 4 airlines flying from Seoul to Heathrow

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How does Cheapflights help users find flights from Seoul to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Seoul to Heathrow?

Can Cheapflights find flights from Seoul to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Seoul to Heathrow become cheaper?

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Cheapest flights from Seoul to Heathrow
Explore the most affordable flight options available from Seoul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.