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China Southern flights from London Heathrow Airport to Seoul (LHR - SEL)

LHR — SEL
20 Nov — 27 Nov1
1 adult
1 adult, Economy

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

China Southern flights from Heathrow to Seoul in 2025

Find detailed information about China Southern flights from Heathrow to Seoul. Explore the options provided by China Southern to plan your journey from Heathrow to Seoul. Data last updated 21 October 2025.

One-way from

£235

Return from

£338

Popular in

July

Cheapest in

November

Average price (all airlines)

£667
China Southern
  • China Southern
  • 15/11
  • 1 total stop
  • 29h 55m total
  • London to Seoul
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China Southern
  • China Southern
  • 3/12-10/12
  • 2 total stops
  • 67h 20m total
  • London to Seoul
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Highest demand for flights from London Heathrow to Seoul; 14% potential price increase.
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Best time to find cheap flights from London Heathrow to Seoul; 3% potential price drop.
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Average price for all London Heathrow to Seoul flights (one-way and round-trip).
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  • Can I get a flight from London Heathrow Airport to Seoul on China Southern for under £900?

    London Heathrow Airport to Seoul flights on China Southern are currently available under £900. 20 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • How do most travelers feel about China Southern?

    The general consensus from 116 Cheapflights users is that China Southern is a 7.4/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to Seoul (LHR-SEL).

Find China Southern flight deals from Heathrow to Seoul

Enter your travel dates to find the best prices.

Cheapest China Southern flights from Heathrow to Seoul
Explore the most affordable China Southern flight options available from Heathrow to Seoul. Find the lowest fares with prices last updated on 21 October 2025.

Wed 19/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 26/1113:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 19/10£368
Tue 18/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 3/1213:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 20/10£369
Wed 5/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 12/1113:30GMP - LHR
1 stop37h 25mChina Southern
Deal found 20/10£370

Travel insights for China Southern flights from Heathrow to Seoul

Get recent, data-driven insights about China Southern flights from Heathrow to Seoul including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Seoul. Price data was last updated on 17 October 2025.

Booking with China Southern 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport 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 Heathrow Airport to Seoul with China Southern?

Currently, the most affordable month to book a China Southern flight from London Heathrow Airport to Seoul in March, with an average price of £333. Conversely, traveling with China Southern from London Heathrow Airport to Seoul in July will be the most expensive, with an average cost of £639. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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 Heathrow to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Heathrow 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

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Fly from Heathrow 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 21 October 2025.
Korean Air flights from London Heathrow to Seoul

See what others are saying about China Southern

Read reviews and see what other travellers are saying about their experiences with China Southern. 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 China Southern for your next flight. Reviews last updated 21 October 2025.
China Southern
7.4
Good
116 reviews
Check prices
Overview

Food

7.2

Comfort

7.8

Boarding

7.9

Entertainment

7.3

Crew

8.2

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