Korean Air flights from London to Seoul (LON - SEL)
LON — SEL
20 Oct — 27 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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Cheapest Korean Air flights from London to Seoul
Explore the most affordable Korean Air flight options available from London to Seoul. Find the lowest fares with prices last updated on 20 September 2026.
Tue 22/919:35 -
Nonstop12h 40m
Tue 27/1010:40 -
Nonstop14h 50m
Deal found 18/9£732
Mon 21/919:35 -
Nonstop12h 40m
Thu 1/1010:55 -
Nonstop14h 25m
Deal found 19/9£764
Fri 25/919:35 -
Nonstop12h 40m
Wed 30/910:55 -
Nonstop14h 25m
Deal found 18/9£766
Best Korean Air flights from London to Seoul
Discover carefully curated Korean Air flight deals from London to Seoul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.
Fri 6/1118:50 -
Nonstop12h 35m
Fri 13/1110:40 -
Nonstop14h 50m
Deal found 14/9£779
Mon 26/1018:50 -
Nonstop12h 35m
Mon 9/1110:40 -
Nonstop14h 50m
Deal found 18/9£823
Fri 25/919:35 -
Nonstop12h 40m
Thu 8/1010:55 -
Nonstop14h 25m
Deal found 15/9£833
Direct Korean Air flights from London to Seoul
Explore direct Korean Air flight options from London to Seoul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 September 2026.
Tue 22/919:35 -
Nonstop12h 40m
Tue 27/1010:40 -
Nonstop14h 50m
Deal found 18/9£732
Fri 25/919:35 -
Nonstop12h 40m
Wed 30/910:55 -
Nonstop14h 25m
Deal found 18/9£766
Sat 26/919:35 -
Nonstop12h 40m
Wed 21/1010:55 -
Nonstop14h 25m
Deal found 15/9£775
Last-minute Korean Air flights from London to Seoul
Discover last-minute Korean Air flight deals from London to Seoul. Data last updated 20 September 2026 and is based on user searches.
Tue 22/919:35 -
Nonstop12h 40m
Tue 27/1010:40 -
Nonstop14h 50m
Deal found 18/9£732
Mon 21/919:35 -
Nonstop12h 40m
Thu 1/1010:55 -
Nonstop14h 25m
Deal found 19/9£764
Fri 25/919:35 -
Nonstop12h 40m
Wed 30/910:55 -
Nonstop14h 25m
Deal found 18/9£766
One-way Korean Air flights to Seoul
Search for one-way Korean Air flight options to Seoul. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.
Thu 29/1018:50 -
Nonstop12h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/9£561
Sun 25/1018:50 -
Nonstop12h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£561
Fri 25/919:35 -
Nonstop12h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£565
Does Korean Air service alternative airports for LON-SEL?
If you’re flying LON-SEL on Korean Air and are looking for alternative airports to fly into or out of, you are in luck. When arriving in Seoul, most people land at Incheon Intl, but that is not the only available airport that Korean Air flies to. Many people choose to land at Seoul Gimpo Intl depending on where there are traveling to in the area. If you are looking for alternative departure airport to London Heathrow, consider flying out of London Gatwick which also offers Korean Air flights.
Can I get a flight from London to Seoul on Korean Air for under £672?
There are 9 flights available on Korean Air from London to Seoul for under £672. These prices can change based on many factors including date and time. To find LON-SEL flight prices for your dates, click here.
Find detailed information about Korean Air flights from London to Seoul. Explore the options provided by Korean Air to plan your journey from London to Seoul. Data last updated 20 September 2026.
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 November. The most expensive months are July and December.
Weekly Korean Air flight availability from London to Seoul
The most Korean Air flights from LON to SEL are scheduled on a Monday (2 on average). You will have fewer Korean Air flight options on Wednesday, 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 Korean Air?
The best time to book a flight to Seoul with Korean Air is 38 days before departure. On average, fares are higher if you book 79 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.
LON-SEL
LHR-ICN
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 20 September 2026.
Browse through other Korean Air flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 20 September 2026.
If Seoul is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 20 September 2026.
Browse through some of the most popular routes that Korean Air offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 20 September 2026.
Read reviews and see what other travellers are saying about their experiences with Korean Air. 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 Korean Air for your next flight. Reviews last updated 20 September 2026.
It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!
10.0
Wonderful|Jun 2026
Better
8.0
Very Good|Mar 2026
Could use some entertainment
10.0
Wonderful|Mar 2026
It was a smooth trip
10.0
Wonderful|Mar 2026
It was a smooth trip
1 out of 406
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