Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Seoul from C$ 459

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Seoul departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 p.m. - 4:55 p.m.
LHR
-
ICN
16h 10m1 stop
Multiple Airlines Logo
12:40 p.m. - 9:25 p.m.
ICN
-
LHR
17h 45m1 stop
C$ 770Multiple Airlines
Fri, 16 Jan - Fri, 30 Jan
Multiple Airlines Logo
3:45 p.m. - 4:55 p.m.
LHR
-
ICN
16h 10m1 stop
Multiple Airlines Logo
12:40 p.m. - 9:25 p.m.
ICN
-
LHR
17h 45m1 stop
C$ 773Multiple Airlines
Fri, 16 Jan - Fri, 30 Jan
Etihad Airways Logo
1:55 p.m. - 9:55 p.m.
LHR
-
ICN
23h 00m1 stop
Etihad Airways Logo
5:50 p.m. - 12:05 p.m.
ICN
-
LHR
27h 15m1 stop
C$ 821Etihad Airways
Sat, 10 Jan - Sat, 28 Feb
Etihad Airways Logo
1:55 p.m. - 9:55 p.m.
LHR
-
ICN
23h 00m1 stop
Etihad Airways Logo
5:50 p.m. - 12:05 p.m.
ICN
-
LHR
27h 15m1 stop
C$ 823Etihad Airways
Sat, 10 Jan - Sat, 28 Feb
Etihad Airways Logo
8:55 p.m. - 10:45 a.m.
LHR
-
ICN
28h 50m1 stop
Etihad Airways Logo
5:50 p.m. - 6:40 a.m.
ICN
-
LHR
21h 50m1 stop
C$ 824Etihad Airways
Mon, 5 Jan - Tue, 20 Jan
KLM Logo
3:45 p.m. - 4:55 p.m.
LHR
-
ICN
16h 10m1 stop
KLM Logo
11:05 p.m. - 4:05 p.m.
ICN
-
LHR
26h 00m1 stop
C$ 827KLM
Wed, 14 Jan - Thu, 22 Jan
KLM Logo
3:45 p.m. - 4:55 p.m.
LHR
-
ICN
16h 10m1 stop
KLM Logo
12:10 p.m. - 8:50 p.m.
ICN
-
LHR
17h 40m1 stop
C$ 843KLM
Wed, 14 Jan - Thu, 22 Jan
Shenzhen Airlines Logo
9:10 p.m. - 1:55 p.m.
LHR
-
ICN
31h 45m1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.
ICN
-
LHR
37h 15m1 stop
C$ 849Shenzhen Airlines
Sat, 28 Feb - Tue, 17 Mar
Shenzhen Airlines Logo
9:10 p.m. - 1:55 p.m.
LHR
-
ICN
31h 45m1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.
ICN
-
LHR
37h 15m1 stop
C$ 850Shenzhen Airlines
Mon, 5 Jan - Thu, 22 Jan
China Airlines Logo
9:15 p.m. - 12:45 p.m.
LHR
-
GMP
30h 30m1 stop
China Airlines Logo
1:45 p.m. - 4:55 p.m.
GMP
-
LHR
36h 10m1 stop
C$ 1,702China Airlines
Sat, 7 Mar - Sun, 15 Mar

Etihad Airways flights from London Heathrow Airport to Seoul

Our best Etihad Airways deals on London Heathrow Airport to Seoul flight tickets
Etihad Airways
10 Jan
LHR1:55 p.m.London Heathrow
23h 00m
1 stop
ICN9:55 p.m.Incheon Intl
28 Feb
ICN5:50 p.m.Incheon Intl
27h 15m
1 stop
LHR12:05 p.m.London Heathrow
C$ 821
Find similar
Etihad Airways
10 Jan
LHR1:55 p.m.London Heathrow
23h 00m
1 stop
ICN9:55 p.m.Incheon Intl
28 Feb
ICN5:50 p.m.Incheon Intl
27h 15m
1 stop
LHR12:05 p.m.London Heathrow
C$ 823
Find similar
Etihad Airways
5 Jan
LHR8:55 p.m.London Heathrow
28h 50m
1 stop
ICN10:45 a.m.Incheon Intl
20 Jan
ICN5:50 p.m.Incheon Intl
21h 50m
1 stop
LHR6:40 a.m.London Heathrow
C$ 824
Find similar

KLM flights from London Heathrow Airport to Seoul

Our best KLM deals on London Heathrow Airport to Seoul flight tickets
KLM
14 Jan
LHR3:45 p.m.London Heathrow
16h 10m
1 stop
ICN4:55 p.m.Incheon Intl
22 Jan
ICN11:05 p.m.Incheon Intl
26h 00m
1 stop
LHR4:05 p.m.London Heathrow
C$ 827
Find similar
KLM
14 Jan
LHR3:45 p.m.London Heathrow
16h 10m
1 stop
ICN4:55 p.m.Incheon Intl
22 Jan
ICN12:10 p.m.Incheon Intl
17h 40m
1 stop
LHR8:50 p.m.London Heathrow
C$ 843
Find similar
KLM
12 Feb
LHR5:05 p.m.London Heathrow
14h 50m
1 stop
ICN4:55 p.m.Incheon Intl
12 Mar
ICN11:05 p.m.Incheon Intl
18h 55m
1 stop
LHR9:00 a.m.London Heathrow
C$ 911
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/1

3:45 p.m.-4:55 p.m.

1 stop16h 10m

Incheon Intl

Fri 30/1

12:40 p.m.-9:25 p.m.

1 stop17h 45m

C$ 770

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/1

3:45 p.m.-4:55 p.m.

1 stop16h 10m

Incheon Intl

Fri 30/1

12:40 p.m.-9:25 p.m.

1 stop17h 45m

C$ 773

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 10/1

1:55 p.m.-9:55 p.m.

1 stop23h 00m

Incheon Intl

Sat 28/2

5:50 p.m.-12:05 p.m.

1 stop27h 15m

C$ 821

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 10/1

1:55 p.m.-9:55 p.m.

1 stop23h 00m

Incheon Intl

Sat 28/2

5:50 p.m.-12:05 p.m.

1 stop27h 15m

C$ 823

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 5/1

8:55 p.m.-10:45 a.m.

1 stop28h 50m

Incheon Intl

Tue 20/1

5:50 p.m.-6:40 a.m.

1 stop21h 50m

C$ 824

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 14/1

3:45 p.m.-4:55 p.m.

1 stop16h 10m

Incheon Intl

Thu 22/1

11:05 p.m.-4:05 p.m.

1 stop26h 00m

C$ 827

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 14/1

3:45 p.m.-4:55 p.m.

1 stop16h 10m

Incheon Intl

Thu 22/1

12:10 p.m.-8:50 p.m.

1 stop17h 40m

C$ 843

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 28/2

9:10 p.m.-1:55 p.m.

1 stop31h 45m

Incheon Intl

Tue 17/3

2:55 p.m.-7:10 p.m.

1 stop37h 15m

C$ 849

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 5/1

9:10 p.m.-1:55 p.m.

1 stop31h 45m

Incheon Intl

Thu 22/1

2:55 p.m.-7:10 p.m.

1 stop37h 15m

C$ 850

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 7/3

9:15 p.m.-12:45 p.m.

1 stop30h 30m

Seoul Gimpo Intl

Sun 15/3

1:45 p.m.-4:55 p.m.

1 stop36h 10m

C$ 1,702

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

What is the cheapest month to fly to Seoul?

The cheapest month to fly to Seoul from London Heathrow Airport is in November. Flight prices, which tend to average around C$ 805, are often lower during this time because this is during the off-season. If you’re not able to fly to Seoul in November, then January is your next best option. Flight prices from London Heathrow Airport to Seoul during January average around C$ 945.

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 morning when flights can be purchased for as low as C$ 924. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,830 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 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$ 1,291 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$ 1,099 on momondo.

What cabin class options are available on London Heathrow to Seoul flights?

There is only 1 cabin class available to choose from on London Heathrow 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 59% 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 December 2025, prices for London Heathrow Airport to Seoul flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Fastest flight time

12h 20m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from London Heathrow Airport to Seoul takes 12h 20m
Direct flights go from London Heathrow Airport to Seoul every day.
There are 2 airports in Seoul. From London Heathrow Airport there are direct flights to Incheon Intl (ICN).
Search flight deals

  • 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 20m 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?

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.

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 17/1
Sat 24/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 48.8 km from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport