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

LHR — SEL
17 Jul — 24 Jul1
1 adult
1 adult, Economy, 0 bags

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 17 June 2026.

Tue 23/621:00
LHR
-
GMP
1 stop31h 25m
China Southern
Sun 26/713:30
GMP
-
LHR
1 stop36h 35m
China Southern
Deal found 16/6£605
Sun 21/621:00
LHR
-
GMP
1 stop31h 25m
China Southern
Tue 28/713:30
GMP
-
LHR
1 stop36h 35m
China Southern
Deal found 14/6£636
Sun 5/721:00
LHR
-
ICN
1 stop17h 10m
China Southern
Mon 20/716:45
ICN
-
LHR
1 stop34h 35m
China Southern
Deal found 12/6£636

  • How do most travelers feel about China Southern?

    The general consensus from 153 Cheapflights users is that China Southern is a 7.5/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to Seoul (LHR-SEL).

  • Can I get a flight from London Heathrow Airport to Seoul on China Southern for under £671?

    London Heathrow Airport to Seoul flights on China Southern are currently available under £671. 21 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

China Southern flights from Heathrow to Seoul in 2026

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 17 June 2026.

One-way from

£325

Return from

£568

Popular in

December

Cheapest in

January

Average price (all airlines)

£633
China Southern
  • China Southern
  • 14/9
  • 1 total stop
  • 17h 10m total
  • London to Seoul
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China Southern
  • China Southern
  • 4/11-18/11
  • 2 total stops
  • 67h 20m total
  • London to Seoul
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Highest demand for flights from London Heathrow to Seoul; 12% potential price increase.
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Best time to find cheap flights from London Heathrow to Seoul; 2% 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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Which month is the cheapest to fly Economy class from London Heathrow Airport to Seoul?

For Economy class flights, the cheapest month to fly this route is January. The most expensive months are July and August.

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).

When is the best time to book a flight to Seoul with China Southern?

The best time to book a flight to Seoul with China Southern is 86 days before departure. On average, fares are higher if you book 23 days before departure.

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 17 June 2026.
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 17 June 2026.
China Southern
7.5
Good
153 reviews
Check prices
Overview

Boarding

7.9

Crew

8.1

Comfort

7.7

Entertainment

7.2

Food

7.3

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