Question 1

What is the cheapest month to fly to Seoul?

Accepted Answer

If you don’t want to visit Seoul in November, then you should wait until March to fly from London, when ticket prices are also cheap, with an average price of $939.

Question 2

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

Accepted Answer

You are more likely to see cheaper flights to Seoul from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,423 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London for as low as $1,277 on momondo.

Question 3

What is the cheapest London to Seoul flight route?

Accepted Answer

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

Question 4

How have London to Seoul flight prices changed over time?

Accepted Answer

As of July 2025, prices for London to Seoul flights are approximately 24% cheaper when compared to flights at the same time last year.

Question 5

Can stopping save me money on London to Seoul flights?

Accepted Answer

You could potentially save up to 38% on your flight if you consider stops on a London to Seoul flight.

Question 6

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

Accepted Answer

There are 3 cabin classes available to choose from on London to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 7

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

Accepted Answer

Our data shows that the cheapest London to Seoul flights are usually those with departure times in the evening. Our users have found flights to Seoul in the evening for as low as $2,819. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $3,629 per ticket.

Question 8

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

Accepted Answer

Prices for flights from London to Seoul refresh daily.

Question 9

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Seoul.

Question 10

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

Accepted Answer

The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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What is the cheapest month to fly to Seoul?

If you don’t want to visit Seoul in November, then you should wait until March to fly from London, when ticket prices are also cheap, with an average price of $939.

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

What is the cheapest London to Seoul flight route?

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

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

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

There are 3 cabin classes available to choose from on London to Seoul 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 London to Seoul flights?

You could potentially save up to 38% on your flight if you consider stops on a London to Seoul flight.

How have London to Seoul flight prices changed over time?

As of July 2025, prices for London to Seoul flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from London to Seoul

Cheap London to Seoul (LON to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Seoul

Direct flights

How far is London to Seoul by plane?

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

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

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

What is the most popular plane model from London to Seoul?

Why use momondo?

Why should I use momondo to find a flight deal from London to Seoul?

Can I find flights from London to Seoul with flexible booking policies on momondo?

How can momondo help me find flights from London to Seoul?

I’m not ready to book a flight from London to Seoul right now. Can momondo alert me if prices change?

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Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 48.8 km from Seoul