Q: What is the typical price of a round-trip flight between Seoul and London?

Prices are currently low for flights on this route. Typical prices usually range from £423 to £589. The lowest price recently found on this route was £387.

Question 1

Which stopover airport offers the lowest fares from Seoul to London?

Accepted Answer

Flights via Guangzhou (CAN) offer the lowest average return price of £356.

Question 2

Which stopover airport has the shortest connection time from Seoul to London?

Accepted Answer

Munich (MUC) has the shortest average stopover time for this route: 1h 33m.

Question 3

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

Accepted Answer

You are more likely to see cheaper flights to London from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £649 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 Seoul for as low as £583 on momondo.

Question 4

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

Accepted Answer

As of December 2025, there are 3 flights per day flying from Seoul to London. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.

Question 5

Can stopping save me money on Seoul to London flights?

Accepted Answer

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

Question 6

What is the typical price of a round-trip flight between Seoul and London?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £423 to £589.
The lowest price recently found on this route was £387.

Question 7

How have Seoul to London flight prices changed over time?

Accepted Answer

As of December 2025, prices for Seoul to London flights are approximately 35% cheaper when compared to flights at the same time last year.

Question 8

Which stopover airport has the shortest travel time from Seoul to London?

Accepted Answer

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 25m.

Question 9

What cabin class options are available on Seoul to London flights?

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

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 £543. Flights in the morning are often more expensive, with an average ticket price of £658.

Question 12

How long does it take to fly to London?

Accepted Answer

Flight times from Seoul 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 Seoul to London is flying from Seoul to London Heathrow Airport, which will take roughly 29h 40m. Keep in mind that layovers or delays could extend your travel time.

Question 13

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

Accepted Answer

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

Question 14

How often are flights from Seoul to London delayed?

Accepted Answer

Historically, on average around 0% of flights between Seoul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Question 15

Which airport is the most popular for stopovers for flights between Seoul and London?

Accepted Answer

Beijing (PEK) was the most common stop: 20% of momondo users choosing one-stop flights on this route connected there.

Question 16

What is the cheapest Seoul to London flight route?

Accepted Answer

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

Question 17

What is the cheapest month to fly to London?

Accepted Answer

The cheapest month to fly to London from Seoul is in June. Flight prices, which tend to average around £483, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Seoul averaging around £489.

Question 18

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

Accepted Answer

The number of flights available between Seoul and London is 21 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Question 19

Which airlines fly to London?

Accepted Answer

Asiana Airlines, China Eastern and Air China are the top three most popular airlines that fly to London from Seoul according to our data. Asiana Airlines is the first choice among our users, with 52% 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 20

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 £500. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to London for around £748.

Question 21

What is the cheapest airline that flies from Seoul to London?

Accepted Answer

Air China, China Southern, and China Eastern are the most popular carriers operating from Seoul to London

Question 22

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

Accepted Answer

Prices for flights from Seoul to London refresh daily.

Question 23

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

Accepted Answer

The number of operators available for flights from Seoul to London is 4 as of December 2025.

Question 24

How old do you have to be to fly from Seoul 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 Seoul to London.

Question 25

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

Accepted Answer

The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	£334
Fastest flight time	14h 30m
Direct flights	Every day
Airports in London	1 airport

Airline	Rating	Free Cancellation	Price
China Eastern	PriceFrom £356	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Air China	PriceFrom £443	Free Cancellation	Rating 7.2 127 reviews	Search Air China flights
Asiana Airlines	PriceFrom £487	Free Cancellation	Rating 8.2 490 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom £726	Free Cancellation	Rating 8.4 1,179 reviews	Search Korean Air flights

Cheap flights from Seoul to London from £138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to London departing on 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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