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

LHR — SEL
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

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 2026

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 21 January 2026.

One-way from

£393

Return from

£478

Popular in

July

Cheapest in

November

Average price (all airlines)

£475
Asiana Airlines
  • Asiana Airlines
  • 7/2
  • Nonstop
  • 12h 40m total
  • London to Seoul
Asiana Airlines
  • Asiana Airlines
  • 23/4-9/5
  • Nonstop
  • 27h 15m total
  • London to Seoul
Highest demand for flights from London Heathrow to Seoul; 12% potential price increase.
Best time to find cheap flights from London Heathrow to Seoul; 2% potential price drop.
Average price for all London Heathrow to Seoul flights (one-way and round-trip).

Find Asiana Airlines flight deals from Heathrow to Seoul

Enter your travel dates to find the best prices.

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 21 January 2026.

Wed 18/220:10
LHR
-
ICN
Nonstop12h 40m
Asiana Airlines
Fri 6/312:25
ICN
-
LHR
Nonstop14h 40m
Asiana Airlines
Deal found 19/1£664
Mon 2/220:10
LHR
-
ICN
Nonstop12h 40m
Asiana Airlines
Wed 25/212:25
ICN
-
LHR
Nonstop14h 40m
Asiana Airlines
Deal found 19/1£665
Sat 24/120:10
LHR
-
ICN
Nonstop12h 40m
Asiana Airlines
Tue 27/112:25
ICN
-
LHR
Nonstop14h 40m
Asiana Airlines
Deal found 19/1£665

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Seoul. Price data was last updated on 16 January 2026.

Booking with Asiana Airlines 16 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 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 £419. Conversely, traveling with Asiana Airlines from London Heathrow Airport to Seoul in July will be the most expensive, with an average cost of £772. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Asiana Airlines flight availability from London Heathrow Airport to Seoul

The most Asiana Airlines flights from LHR to SEL are scheduled on a Monday (1 on average). You will have fewer Asiana Airlines 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 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 21 January 2026.

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 21 January 2026.
Asiana Airlines
8.1
Very Good
501 reviews
Overview

Crew

8.5

Boarding

8.3

Entertainment

7.7

Food

8.0

Comfort

8.0

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