Find flights
Flight research
Deals
Korean Air Reviews

Korean Air flights from London to Seoul (LON - SEL)

LON — SEL
5 May — 12 May1
1 adult

Cheapflights users flying from London to Seoul on Korean Air typically fly into Incheon Intl and depart from London Heathrow. Select your dates above for pricing.

Korean Air flights from London to Seoul in 2025

Find detailed information about Korean Air flights from London to Seoul. Explore the options provided by Korean Air to plan your journey from London to Seoul. Data last updated 30 April 2025.

One-way from

£562

Return from

£820

Popular in

July

Cheapest in

November

Average price (all airlines)

£660
Korean Air
  • Korean Air
  • 16/5
  • Nonstop
  • 12h 40m total
  • London to Seoul
Korean Air
  • Korean Air
  • 16/5-8/6
  • Nonstop
  • 27h 05m total
  • London to Seoul
Highest demand for flights from London to Seoul; 16% potential price increase.
Best time to find cheap flights from London to Seoul; 3% potential price drop.
Average price for all London to Seoul flights (one-way and round-trip).
  • Can I get a flight from London to Seoul on Korean Air for under £900?

    There are 1 flights available on Korean Air from London to Seoul for under £900. These prices can change based on many factors including date and time. To find LON-SEL flight prices for your dates, click here.

  • Does Korean Air service alternative airports for LON-SEL?

    If you’re flying LON-SEL on Korean Air and are looking for alternative airports to fly into or out of, you are in luck. When arriving in Seoul, most people land at Incheon Intl, but that is not the only available airport that Korean Air flies to. Many people choose to land at Seoul Gimpo Intl depending on where there are traveling to in the area. If you are looking for alternative departure airport to London Heathrow, consider flying out of London Gatwick which also offers Korean Air flights.

  • How do most travelers feel about Korean Air?

    Cheapflights users who travel with Korean Air (a popular airline from London to Seoul) have rated them a 7.5/10. This rating comes from 96 reviews. If you are looking to travel LON-SEL, search your dates above.

Find Korean Air flight deals from London to Seoul

Cheapest Korean Air flights from London to Seoul
Explore the most affordable Korean Air flight options available from London to Seoul. Find the lowest fares with prices last updated on 30 April 2025.

Thu 8/519:35LHR - ICN
Nonstop12h 40mKorean Air
Wed 14/510:55ICN - LHR
Nonstop14h 25mKorean Air
Deal found 29/4£790

Travel insights for Korean Air flights from London to Seoul

Get recent, data-driven insights about Korean Air flights from London to Seoul including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to Seoul with Korean Air?

Use this chart to determine the optimal time to book a return flight from London to Seoul. Price data was last updated on 25 April 2025.

Booking with Korean Air 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Seoul with Korean Air?

Currently, the most affordable month to book a Korean Air flight from London to Seoul in September, with an average price of £665. Conversely, traveling with Korean Air from London to Seoul in July will be the most expensive, with an average cost of £826. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Korean Air flight availability from London to Seoul

The most Korean Air flights from LON to SEL are scheduled on a Monday (1 on average). You will have fewer Korean Air flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Best time to book a flight from London to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from London to Seoul on another airline

Consider alternative airlines that service the Seoul area. Flight routes are based on user searches made on Cheapflights and were last updated on 30 April 2025.

See what others are saying about Korean Air

Read reviews and see what other travellers are saying about their experiences with Korean Air. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Korean Air for your next flight. Reviews last updated 30 April 2025.
Korean Air
8.4
Very Good
1,066 reviews
Overview

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.