Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Seoul from C$ 645

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 15/6. 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
1 adult, Economy, 0 bags

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.
Scandinavian Airlines Logo
6:40 p.m. - 7:00 p.m.
LHR
-
ICN
15h 20m
1 stop
Scandinavian Airlines Logo
11:45 p.m. - 5:40 p.m.
ICN
-
LHR
26h 55m
1 stop
C$ 1,096Scandinavian Airlines
Thu, 5 Nov - Tue, 1 Dec
Scandinavian Airlines Logo
3:35 p.m. - 7:00 p.m.
LHR
-
ICN
18h 25m
2 stops
Scandinavian Airlines Logo
11:45 p.m. - 5:40 p.m.
ICN
-
LHR
26h 55m
1 stop
C$ 1,101Scandinavian Airlines
Wed, 4 Nov - Wed, 2 Dec
Scandinavian Airlines Logo
7:30 p.m. - 7:00 p.m.
LHR
-
ICN
14h 30m
1 stop
Scandinavian Airlines Logo
11:45 p.m. - 9:40 p.m.
ICN
-
LHR
30h 55m
1 stop
C$ 1,102Scandinavian Airlines
Thu, 12 Nov - Thu, 19 Nov
Lufthansa Logo
7:40 a.m. - 11:00 a.m.
LHR
-
ICN
18h 20m
2 stops
Lufthansa Logo
12:55 p.m. - 8:50 p.m.
ICN
-
LHR
16h 55m
1 stop
C$ 1,104Lufthansa
Wed, 4 Nov - Tue, 10 Nov
Scandinavian Airlines Logo
9:05 p.m. - 7:00 p.m.
LHR
-
ICN
36h 55m
2 stops
Scandinavian Airlines Logo
11:45 p.m. - 5:40 p.m.
ICN
-
LHR
26h 55m
1 stop
C$ 1,105Scandinavian Airlines
Tue, 3 Nov - Wed, 2 Dec
Shenzhen Airlines Logo
9:10 p.m. - 1:55 p.m.
LHR
-
ICN
31h 45m
1 stop
Shenzhen Airlines Logo
2:55 p.m. - 7:10 p.m.
ICN
-
LHR
37h 15m
1 stop
C$ 1,107Shenzhen Airlines
Fri, 30 Oct - Sun, 8 Nov
Lufthansa Logo
11:10 a.m. - 11:15 a.m.
LHR
-
ICN
15h 05m
1 stop
Lufthansa Logo
12:55 p.m. - 8:50 p.m.
ICN
-
LHR
16h 55m
1 stop
C$ 1,116Lufthansa
Tue, 3 Nov - Sun, 15 Nov
China Southern Logo
9:00 p.m. - 12:25 p.m.
LHR
-
GMP
31h 25m
1 stop
China Southern Logo
1:30 p.m. - 6:05 p.m.
GMP
-
LHR
36h 35m
1 stop
C$ 1,679China Southern
Thu, 2 Jul - Thu, 9 Jul
China Eastern Logo
9:20 p.m. - 11:00 a.m.
LHR
-
GMP
29h 40m
1 stop
China Eastern Logo
8:50 p.m. - 6:40 p.m.
GMP
-
LHR
29h 50m
1 stop
C$ 1,858China Eastern
Sat, 11 Jul - Thu, 13 Aug
China Eastern Logo
6:15 a.m. - 7:50 p.m.
LHR
-
GMP
29h 35m
2 stops
China Eastern Logo
8:50 p.m. - 6:40 p.m.
GMP
-
LHR
29h 50m
1 stop
C$ 1,957China Eastern
Thu, 2 Jul - Thu, 9 Jul

Scandinavian Airlines flights from London Heathrow Airport to Seoul

Our best Scandinavian Airlines deals on London Heathrow Airport to Seoul flight tickets
Scandinavian Airlines
5 Nov
LHR6:40 p.m.London Heathrow
15h 20m
1 stop
ICN7:00 p.m.Incheon Intl
1 Dec
ICN11:45 p.m.Incheon Intl
26h 55m
1 stop
LHR5:40 p.m.London Heathrow
C$ 1,096
Scandinavian Airlines
4 Nov
LHR3:35 p.m.London Heathrow
18h 25m
2 stops
ICN7:00 p.m.Incheon Intl
2 Dec
ICN11:45 p.m.Incheon Intl
26h 55m
1 stop
LHR5:40 p.m.London Heathrow
C$ 1,101
Scandinavian Airlines
12 Nov
LHR7:30 p.m.London Heathrow
14h 30m
1 stop
ICN7:00 p.m.Incheon Intl
19 Nov
ICN11:45 p.m.Incheon Intl
30h 55m
1 stop
LHR9:40 p.m.London Heathrow
C$ 1,102

Lufthansa flights from London Heathrow Airport to Seoul

Our best Lufthansa deals on London Heathrow Airport to Seoul flight tickets
Lufthansa
4 Nov
LHR7:40 a.m.London Heathrow
18h 20m
2 stops
ICN11:00 a.m.Incheon Intl
10 Nov
ICN12:55 p.m.Incheon Intl
16h 55m
1 stop
LHR8:50 p.m.London Heathrow
C$ 1,104
Lufthansa
3 Nov
LHR11:10 a.m.London Heathrow
15h 05m
1 stop
ICN11:15 a.m.Incheon Intl
15 Nov
ICN12:55 p.m.Incheon Intl
16h 55m
1 stop
LHR8:50 p.m.London Heathrow
C$ 1,116
Lufthansa
2 Nov
LHR7:40 a.m.London Heathrow
18h 20m
2 stops
ICN11:00 a.m.Incheon Intl
29 Nov
ICN12:55 p.m.Incheon Intl
28h 10m
2 stops
LHR8:05 a.m.London Heathrow
C$ 1,147

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 4 June 2026.
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

Cheapest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 5/11

6:40 p.m.-7:00 p.m.

1 stop15h 20m

Incheon Intl

Tue 1/12

11:45 p.m.-5:40 p.m.

1 stop26h 55m

C$ 1,096

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/11

3:35 p.m.-7:00 p.m.

2 stops18h 25m

Incheon Intl

Wed 2/12

11:45 p.m.-5:40 p.m.

1 stop26h 55m

C$ 1,101

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 12/11

7:30 p.m.-7:00 p.m.

1 stop14h 30m

Incheon Intl

Thu 19/11

11:45 p.m.-9:40 p.m.

1 stop30h 55m

C$ 1,102

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/11

7:40 a.m.-11:00 a.m.

2 stops18h 20m

Incheon Intl

Tue 10/11

12:55 p.m.-8:50 p.m.

1 stop16h 55m

C$ 1,104

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/11

9:05 p.m.-7:00 p.m.

2 stops36h 55m

Incheon Intl

Wed 2/12

11:45 p.m.-5:40 p.m.

1 stop26h 55m

C$ 1,105

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 30/10

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

1 stop31h 45m

Incheon Intl

Sun 8/11

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

1 stop37h 15m

C$ 1,107
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/11

11:10 a.m.-11:15 a.m.

1 stop15h 05m

Incheon Intl

Sun 15/11

12:55 p.m.-8:50 p.m.

1 stop16h 55m

C$ 1,116

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 2/7

9:00 p.m.-12:25 p.m.

1 stop31h 25m

Seoul Gimpo Intl

Thu 9/7

1:30 p.m.-6:05 p.m.

1 stop36h 35m

C$ 1,679

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 11/7

9:20 p.m.-11:00 a.m.

1 stop29h 40m

Seoul Gimpo Intl

Thu 13/8

8:50 p.m.-6:40 p.m.

1 stop29h 50m

C$ 1,858

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 2/7

6:15 a.m.-7:50 p.m.

2 stops29h 35m

Seoul Gimpo Intl

Thu 9/7

8:50 p.m.-6:40 p.m.

1 stop29h 50m

C$ 1,957

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 January. Flight prices, which tend to average around C$ 567, 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 February is your next best option. Flight prices from London Heathrow Airport to Seoul during February average around C$ 663.

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$ 1,403. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,703 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$ 1,302 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$ 1,144 on momondo.

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

There are 2 cabin classes 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 26% 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 June 2026, prices for London Heathrow Airport to Seoul flights are approximately 11% 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 45m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from London Heathrow Airport to Seoul takes 12h 45m
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

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 45m 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 4/7
Sat 11/7
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