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Asiana Airlines flights from London Heathrow Airport to Seoul (LHR - SEL)

LHR — SEL
21 Nov — 28 Nov1
1 adult
1 adult, Economy

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

Asiana Airlines flights from Heathrow to Seoul in 2025

Find detailed information about Asiana Airlines flights from Heathrow to Seoul. Explore the options provided by Asiana Airlines to plan your journey from Heathrow to Seoul. Data last updated 22 October 2025.

One-way from

£480

Return from

£738

Popular in

July

Cheapest in

November

Average price (all airlines)

£669
Asiana Airlines
  • Asiana Airlines
  • 21/11
  • Nonstop
  • 12h 40m total
  • London to Seoul
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Asiana Airlines
  • Asiana Airlines
  • 5/12-12/12
  • Nonstop
  • 27h 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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Find Asiana Airlines flight deals from Heathrow to Seoul

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Cheapest Asiana Airlines flights from Heathrow to Seoul
Explore the most affordable Asiana Airlines flight options available from Heathrow to Seoul. Find the lowest fares with prices last updated on 22 October 2025.

Thu 6/1120:10LHR - ICN
Nonstop12h 40mAsiana Airlines
Mon 8/1212:25ICN - LHR
Nonstop14h 40mAsiana Airlines
Deal found 20/10£740
Mon 10/1120:10LHR - ICN
Nonstop12h 40mAsiana Airlines
Sun 23/1112:25ICN - LHR
Nonstop14h 40mAsiana Airlines
Deal found 20/10£750
Sat 8/1120:10LHR - ICN
Nonstop12h 40mAsiana Airlines
Sun 23/1112:25ICN - LHR
Nonstop14h 40mAsiana Airlines
Deal found 21/10£759

Travel insights for Asiana Airlines flights from Heathrow to Seoul

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

What is the cheapest month to book a flight from London Heathrow Airport to Seoul with Asiana Airlines?

Currently, the most affordable month to book a Asiana Airlines flight from London Heathrow Airport to Seoul in February, with an average price of £417. Conversely, traveling with Asiana Airlines from London Heathrow Airport to Seoul in July will be the most expensive, with an average cost of £794. 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.

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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 22 October 2025.
China Southern flights from London Heathrow to Seoul

See what others are saying about Asiana Airlines

Read reviews and see what other travellers are saying about their experiences with Asiana Airlines. 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 Asiana Airlines for your next flight. Reviews last updated 22 October 2025.
Asiana Airlines
8.2
Very Good
485 reviews
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Overview

Food

8.1

Comfort

8.1

Crew

8.6

Entertainment

7.8

Boarding

8.4

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