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Not ready to book? to track prices.Shenzhen Airlines flights from London Heathrow Airport to Seoul
Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets
Lufthansa flights from London Heathrow Airport to Seoul
Our best Lufthansa deals on London Heathrow Airport to Seoul flight tickets
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Fly from
Fly to
Route
Depart
Return
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Thu 18/3
10:30 p.m.-1:55 p.m.
1 stop30h 25m
Incheon Intl
Thu 25/3
6:20 p.m.-7:10 p.m.
1 stop33h 50m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Fri 22/1
7:30 p.m.-7:00 p.m.
1 stop14h 30m
Incheon Intl
Thu 28/1
11:45 p.m.-4:00 p.m.
1 stop25h 15m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Fri 4/12
9:10 p.m.-5:15 p.m.
1 stop35h 05m
Incheon Intl
Thu 10/12
6:20 p.m.-7:10 p.m.
1 stop33h 50m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Wed 3/2
10:20 a.m.-7:00 p.m.
1 stop23h 40m
Incheon Intl
Tue 23/2
11:45 p.m.-9:20 a.m.
1 stop18h 35m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Wed 3/2
3:35 p.m.-7:00 p.m.
2 stops18h 25m
Incheon Intl
Tue 23/2
11:45 p.m.-9:20 a.m.
1 stop18h 35m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Fri 22/1
9:55 a.m.-7:00 p.m.
2 stops24h 05m
Incheon Intl
Sat 30/1
11:45 p.m.-9:20 a.m.
1 stop18h 35m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Fri 5/3
5:00 p.m.-7:00 p.m.
1 stop17h 00m
Incheon Intl
Sat 20/3
11:45 p.m.-12:55 p.m.
2 stops22h 10m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Tue 12/1
11:10 a.m.-11:15 a.m.
1 stop15h 05m
Incheon Intl
Thu 11/2
12:55 p.m.-8:50 p.m.
1 stop16h 55m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Tue 26/1
7:40 a.m.-11:15 a.m.
1 stop18h 35m
Incheon Intl
Mon 1/2
12:55 p.m.-8:50 p.m.
1 stop16h 55m
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Fri 5/3
3:35 p.m.-7:00 p.m.
2 stops18h 25m
Incheon Intl
Sat 20/3
11:45 p.m.-12:55 p.m.
2 stops22h 10m
See travel insights to Seoul from
How to get the cheapest flight ticket from London Heathrow Airport to Seoul
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London Heathrow Airport and Seoul?
Prices are currently low for flights on this route.
Typical prices usually range from C$ 1,081 to C$ 1,726.The lowest price recently found on this route was C$ 960.
What is the cheapest month to fly to Seoul?
The cheapest month to fly to Seoul from London Heathrow Airport is in January. Flight prices, which tend to average around C$ 930, are often lower during this time because this is during the off-season. If you’re not able to fly to Seoul in January, then November is your next best option. Flight prices from London Heathrow Airport to Seoul during November average around C$ 1,054.
What is the cheapest day to depart on your flight to Seoul?
Our data shows that Saturday is the least expensive day to fly to Seoul. Tickets to fly out on this day can be as low as C$ 1,441. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around C$ 2,028.
What is the cheapest time of day to depart on your flight to Seoul?
The cheapest time of day to fly to Seoul is in the afternoon when flights can be purchased for as low as C$ 1,640. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,886 per ticket.
What is the cheapest London Heathrow to Seoul flight route?
Fly from London Heathrow to Incheon Intl for the best London Heathrow - Seoul flight prices
How far in advance should I book a flight from London Heathrow Airport to Seoul?
You are more likely to see cheaper flights to Seoul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around C$ 1,371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London Heathrow Airport for as low as C$ 1,149 on momondo.
What cabin class options are available on London Heathrow Airport to Seoul flights?
There is only 1 cabin class available to choose from on London Heathrow Airport to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on London Heathrow Airport to Seoul flights?
You could potentially save up to 52% on your flight if you consider stops on a London Heathrow Airport to Seoul flight.
How have London Heathrow Airport to Seoul flight prices changed over time?
As of October 2026, prices for London Heathrow Airport to Seoul flights are approximately 6% cheaper when compared to flights at the same time last year.
How many flights depart from London Heathrow Airport to Seoul on average per day?
The number of flights available between London Heathrow Airport and Seoul is 4 per day as of October 2026. The most frequent departure time is 1:00p.m., with 60% of daily flights leaving in the afternoon.
How many flights depart from London Heathrow Airport to Seoul on average per week?
The number of flights available between London Heathrow Airport and Seoul is 30 per week as of October 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.
When to book flights from London Heathrow Airport to Seoul
Cheap London Heathrow Airport to Seoul (LHR to SEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Seoul
Frequently asked questions about flying from London Heathrow Airport to Seoul
How far is London Heathrow to Seoul by plane?
London Heathrow and Seoul are 8870.7 km apart from one another. Typically, this will take 12h 30m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to Seoul?
Prices for flights from London Heathrow Airport to Seoul are updated daily.
How old do you have to be to fly from London Heathrow Airport to Seoul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Seoul.
What documentation or ID do you need to fly to Seoul?
The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Seoul?
Based on momondo bookings for flights between London Heathrow Airport and Seoul, the leading plane model is Boeing 787-9 Dreamliner, making up 34.71% of the total bookings. Other popular models include Boeing 777-300ER with 30.55%, Airbus A350-900 with 17.01%, and Airbus A350-1000 with 7.23%.
Why use momondo?
Why should I use momondo to find a flight deal from London to Seoul?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Seoul . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Seoul with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seoul from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Seoul?
Once you have performed a search for London to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Seoul right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from London and alert you when they change.