Question 1

How long does it take to fly to London?

Accepted Answer

Flight times from South Korea to London vary, but if you’re flying out of Incheon and flying into London Heathrow Airport (one of the most popular routes), then the duration is 14h 30m on average. Another popular route from South Korea to London is flying from Seoul to London Heathrow Airport, which will take roughly 28h 20m. Keep in mind that layovers or delays could extend your travel time.

Question 2

What is the cheapest South Korea to London flight route?

Accepted Answer

Fly from Incheon Intl to London Heathrow for the best South Korea - London flight prices

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Question 4

What is the cheapest day to depart on your flight to London?

Accepted Answer

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £504. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from South Korea to London for around £729.

Question 5

What is the cheapest airline that flies from South Korea to London?

Accepted Answer

China Eastern, Air China, and Malaysia Airlines are the most popular carriers operating from South Korea to London

Question 6

What is the cheapest month to fly to London?

Accepted Answer

The cheapest month to fly to London from South Korea is in March. Flight prices, which tend to average around £482, are often lower during this time because this is during the off-season. The month of June is another great option to travel to London, with average flight prices from South Korea averaging around £482.

Question 7

Can stopping save me money on South Korea to London flights?

Accepted Answer

You could potentially save up to 29% on your flight if you consider stops on a South Korea to London flight.

Question 8

Which airlines fly to London?

Accepted Answer

Asiana Airlines, Korean Air and China Eastern are the top three most popular airlines that fly to London from South Korea according to our data. Asiana Airlines is the first choice among our users, with 56% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Question 9

Which airline has the best punctuality record on South Korea to London flights?

Accepted Answer

According to our data, Korean Air have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

Question 10

What is the most punctual flight time for South Korea to London flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 11

How many flights depart from South Korea to London on average per week?

Accepted Answer

As of December 2025, there are 21 flights per week flying from South Korea to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Question 12

How far in advance should I book a flight to London?

Accepted Answer

You are more likely to see cheaper flights to London from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £647 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from South Korea for as low as £559 on momondo.

Question 13

What is the cheapest time of day to depart on your flight to London?

Accepted Answer

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £542. Flights in the morning are often more expensive, with an average ticket price of £663.

Question 14

What cabin class options are available on South Korea to London flights?

Accepted Answer

There are 4 cabin classes available to choose from on South Korea to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 15

How often are flights from South Korea to London delayed?

Accepted Answer

Historically, on average around 29% of flights between South Korea and London have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Question 16

How many flights depart from South Korea to London on average per day?

Accepted Answer

3 flights are operational daily from South Korea to London as of December 2025. The most popular departure time for this route is 10:00, with 66% of flights per day taking off at midday.

Question 17

When did momondo last update prices for flights from South Korea to London?

Accepted Answer

Prices for flights from South Korea to London are updated daily.

Question 18

How many operators does momondo search for flights from South Korea to London?

Accepted Answer

As of December 2025, there are 4 operators available to choose from for flights from South Korea to London.

Question 19

How old do you have to be to fly from South Korea to London?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Korea to London.

Question 20

What documentation or ID do you need to fly to London?

Accepted Answer

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best price found	£375
Fastest flight time	14h 30m
Direct flights	Every day
Airports in London	6 airports

Airline	Rating	Free Cancellation	Price
China Eastern	PriceFrom £355	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Air China	PriceFrom £442	Free Cancellation	Rating 7.1 129 reviews	Search Air China flights
Asiana Airlines	PriceFrom £486	Free Cancellation	Rating 8.2 493 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £725	Free Cancellation	Rating 8.4 1,186 reviews	Search Korean Air flights

Cheap flights from South Korea to London from £117

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How to get the cheapest flight ticket from South Korea to London

What is the cheapest month to fly to London?

What is the cheapest day to depart on your flight to London?

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £504. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from South Korea to London for around £729.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £542. Flights in the morning are often more expensive, with an average ticket price of £663.

What is the cheapest South Korea to London flight route?

Fly from Incheon Intl to London Heathrow for the best South Korea - London flight prices

How far in advance should I book a flight to London?

What cabin class options are available on South Korea to London flights?

There are 4 cabin classes available to choose from on South Korea to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on South Korea to London flights?

You could potentially save up to 29% on your flight if you consider stops on a South Korea to London flight.

What is the cheapest airline that flies from South Korea to London?

China Eastern, Air China, and Malaysia Airlines are the most popular carriers operating from South Korea to London

Which airlines fly to London?

How often are flights from South Korea to London delayed?

Historically, on average around 29% of flights between South Korea and London have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

What is the most punctual flight time for South Korea to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on South Korea to London flights?

According to our data, Korean Air have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

How many flights depart from South Korea to London on average per day?

3 flights are operational daily from South Korea to London as of December 2025. The most popular departure time for this route is 10:00, with 66% of flights per day taking off at midday.

How many flights depart from South Korea to London on average per week?

As of December 2025, there are 21 flights per week flying from South Korea to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How long does it take to fly to London?

Cheap South Korea to London flight deals and tips

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When did momondo last update prices for flights from South Korea to London?

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How old do you have to be to fly from South Korea to London?

What documentation or ID do you need to fly to London?

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