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Asiana Airlines flights from London to Seoul (LON - SEL)

LON — SEL
26 Jun — 3 Jul1
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 London to Seoul in 2026

Find detailed information about Asiana Airlines flights from London to Seoul. Explore the options provided by Asiana Airlines to plan your journey from London to Seoul. Data last updated 27 May 2026.

One-way from

£476

Return from

£604

Popular in

July

Cheapest in

November

Average price (all airlines)

£601
Asiana Airlines
  • Asiana Airlines
  • 19/6
  • Nonstop
  • 12h 45m total
  • London to Seoul
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Asiana Airlines
  • Asiana Airlines
  • 9/11-15/11
  • Nonstop
  • 27h 15m total
  • London to Seoul
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Highest demand for flights from London to Seoul; 15% potential price increase.
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Best time to find cheap flights from London to Seoul; 2% potential price drop.
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Average price for all London to Seoul flights (one-way and round-trip).
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  • Does Asiana Airlines service alternative airports for LON-SEL?

    If you’re flying LON-SEL on Asiana Airlines and are looking for alternative airports to fly into or out of, you are in luck. The most popular airport is Incheon Intl, but for some, Seoul Gimpo Intl is the better option as it is closer to the end destination or even cheaper to fly into on Asiana Airlines. If you are looking for alternative departure airport to London Heathrow, consider flying out of London Gatwick which also offers Asiana Airlines flights.

  • Can I get a flight from London to Seoul on Asiana Airlines for under £668?

    Asiana Airlines offers 8 flights from London to Seoul for under £668. Prices vary by date and time. To see all prices and select your dates, click here.

Find Asiana Airlines flight deals from London to Seoul

Enter your travel dates to find the best prices.

Cheapest Asiana Airlines flights from London to Seoul
Explore the most affordable Asiana Airlines flight options available from London to Seoul. Find the lowest fares with prices last updated on 27 May 2026.

Thu 18/616:35
LHR
-
ICN
Nonstop12h 45m
Asiana Airlines
Thu 16/707:50
ICN
-
LHR
Nonstop14h 30m
Asiana Airlines
Deal found 26/5£648
Fri 5/616:35
LHR
-
ICN
Nonstop12h 45m
Asiana Airlines
Mon 8/607:50
ICN
-
LHR
Nonstop14h 30m
Asiana Airlines
Deal found 23/5£714
Tue 9/616:35
LHR
-
ICN
Nonstop12h 45m
Asiana Airlines
Tue 16/607:50
ICN
-
LHR
Nonstop14h 30m
Asiana Airlines
Deal found 24/5£715

Which month is the cheapest to fly Economy class from London to Seoul?

For Economy class flights, the cheapest month to fly this route is April. The most expensive months are March and October.

Weekly Asiana Airlines flight availability from London to Seoul

The most Asiana Airlines flights from LON 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).

When is the best time to book a flight to Seoul with Asiana Airlines?

The best time to book a flight to Seoul with Asiana Airlines is 39 days before departure. On average, fares are higher if you book 12 days before departure.

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.

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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 27 May 2026.
Lufthansa flights from London 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 27 May 2026.
Asiana Airlines
8.1
Very Good
535 reviews
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Overview

Comfort

8.0

Crew

8.5

Food

8.0

Boarding

8.3

Entertainment

7.6

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