Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Seoul from C$ 525

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 10/6. 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

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.
China Eastern Logo
9:20 p.m. - 8:45 p.m.
LHR
-
ICN
15h 25m
1 stop
China Eastern Logo
6:25 p.m. - 6:40 p.m.
ICN
-
LHR
32h 15m
1 stop
C$ 768China Eastern
Fri, 24 Apr - Sun, 17 May
China Eastern Logo
9:20 p.m. - 8:45 p.m.
LHR
-
ICN
15h 25m
1 stop
China Eastern Logo
8:55 a.m. - 6:40 p.m.
ICN
-
LHR
17h 45m
1 stop
C$ 770China Eastern
Mon, 27 Apr - Wed, 27 May
China Eastern Logo
9:20 p.m. - 3:10 p.m.
LHR
-
ICN
33h 50m
1 stop
China Eastern Logo
4:20 p.m. - 6:40 p.m.
ICN
-
LHR
34h 20m
1 stop
C$ 773China Eastern
Wed, 22 Apr - Sat, 2 May
China Eastern Logo
9:20 p.m. - 5:25 p.m.
LHR
-
ICN
36h 05m
1 stop
China Eastern Logo
4:15 p.m. - 6:40 p.m.
ICN
-
LHR
34h 25m
1 stop
C$ 774China Eastern
Thu, 23 Apr - Sun, 3 May
China Eastern Logo
9:20 p.m. - 8:45 p.m.
LHR
-
ICN
15h 25m
1 stop
China Eastern Logo
1:10 p.m. - 6:40 p.m.
ICN
-
LHR
37h 30m
2 stops
C$ 778China Eastern
Tue, 7 Apr - Thu, 7 May
China Eastern Logo
9:20 p.m. - 8:45 p.m.
LHR
-
ICN
15h 25m
1 stop
China Eastern Logo
3:55 p.m. - 6:40 p.m.
ICN
-
LHR
34h 45m
2 stops
C$ 781China Eastern
Fri, 24 Apr - Sun, 17 May
China Airlines Logo
9:10 p.m. - 12:55 p.m.
LHR
-
GMP
31h 45m
1 stop
China Airlines Logo
1:55 p.m. - 4:30 p.m.
GMP
-
LHR
34h 35m
1 stop
C$ 1,662China Airlines
Tue, 9 Jun - Thu, 30 Jul
China Airlines Logo
9:10 p.m. - 12:55 p.m.
LHR
-
GMP
31h 45m
1 stop
China Airlines Logo
1:55 p.m. - 4:30 p.m.
GMP
-
LHR
34h 35m
1 stop
C$ 1,761China Airlines
Tue, 23 Jun - Mon, 21 Sep
EVA Air Logo
9:35 p.m. - 6:10 p.m.
LHR
-
GMP
36h 35m
2 stops
EVA Air Logo
8:20 p.m. - 7:20 p.m.
GMP
-
LHR
31h 00m
2 stops
C$ 1,875EVA Air
Sun, 24 May - Wed, 10 Jun
Multiple Airlines Logo
6:35 a.m. - 12:55 p.m.
LHR
-
GMP
22h 20m
2 stops
Multiple Airlines Logo
1:55 p.m. - 4:30 p.m.
GMP
-
LHR
34h 35m
1 stop
C$ 1,893Multiple Airlines
Wed, 20 May - Mon, 8 Jun

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
24 Apr
LHR9:20 p.m.London Heathrow
15h 25m
1 stop
ICN8:45 p.m.Incheon Intl
17 May
ICN6:25 p.m.Incheon Intl
32h 15m
1 stop
LHR6:40 p.m.London Heathrow
C$ 768
China Eastern
27 Apr
LHR9:20 p.m.London Heathrow
15h 25m
1 stop
ICN8:45 p.m.Incheon Intl
27 May
ICN8:55 a.m.Incheon Intl
17h 45m
1 stop
LHR6:40 p.m.London Heathrow
C$ 770
China Eastern
22 Apr
LHR9:20 p.m.London Heathrow
33h 50m
1 stop
ICN3:10 p.m.Incheon Intl
2 May
ICN4:20 p.m.Incheon Intl
34h 20m
1 stop
LHR6:40 p.m.London Heathrow
C$ 773

Shenzhen Airlines flights from London Heathrow Airport to Seoul

Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets
Shenzhen Airlines
26 Apr
LHR10:05 p.m.London Heathrow
34h 40m
1 stop
ICN4:45 p.m.Incheon Intl
12 May
ICN3:15 p.m.Incheon Intl
36h 45m
1 stop
LHR8:00 p.m.London Heathrow
C$ 857
Shenzhen Airlines
7 Jun
LHR10:05 p.m.London Heathrow
32h 10m
1 stop
ICN2:15 p.m.Incheon Intl
25 Jun
ICN3:15 p.m.Incheon Intl
36h 45m
1 stop
LHR8:00 p.m.London Heathrow
C$ 858
Shenzhen Airlines
6 May
LHR10:05 p.m.London Heathrow
32h 10m
1 stop
ICN2:15 p.m.Incheon Intl
15 May
ICN5:45 p.m.Incheon Intl
34h 05m
1 stop
LHR7:50 p.m.London Heathrow
C$ 861

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 11 March 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

Fri 24/4

9:20 p.m.-8:45 p.m.

1 stop15h 25m

Incheon Intl

Sun 17/5

6:25 p.m.-6:40 p.m.

1 stop32h 15m

C$ 768
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 27/4

9:20 p.m.-8:45 p.m.

1 stop15h 25m

Incheon Intl

Wed 27/5

8:55 a.m.-6:40 p.m.

1 stop17h 45m

C$ 770

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 22/4

9:20 p.m.-3:10 p.m.

1 stop33h 50m

Incheon Intl

Sat 2/5

4:20 p.m.-6:40 p.m.

1 stop34h 20m

C$ 773

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 23/4

9:20 p.m.-5:25 p.m.

1 stop36h 05m

Incheon Intl

Sun 3/5

4:15 p.m.-6:40 p.m.

1 stop34h 25m

C$ 774

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 7/4

9:20 p.m.-8:45 p.m.

1 stop15h 25m

Incheon Intl

Thu 7/5

1:10 p.m.-6:40 p.m.

2 stops37h 30m

C$ 778

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 24/4

9:20 p.m.-8:45 p.m.

1 stop15h 25m

Incheon Intl

Sun 17/5

3:55 p.m.-6:40 p.m.

2 stops34h 45m

C$ 781

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 9/6

9:10 p.m.-12:55 p.m.

1 stop31h 45m

Seoul Gimpo Intl

Thu 30/7

1:55 p.m.-4:30 p.m.

1 stop34h 35m

C$ 1,662

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 23/6

9:10 p.m.-12:55 p.m.

1 stop31h 45m

Seoul Gimpo Intl

Mon 21/9

1:55 p.m.-4:30 p.m.

1 stop34h 35m

C$ 1,761

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 24/5

9:35 p.m.-6:10 p.m.

2 stops36h 35m

Seoul Gimpo Intl

Wed 10/6

8:20 p.m.-7:20 p.m.

2 stops31h 00m

C$ 1,875

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 20/5

6:35 a.m.-12:55 p.m.

2 stops22h 20m

Seoul Gimpo Intl

Mon 8/6

1:55 p.m.-4:30 p.m.

1 stop34h 35m

C$ 1,893

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$ 800, 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$ 823.

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$ 1,373. The most expensive day to fly to Seoul is Monday, with ticket prices averaging around C$ 1,969.

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$ 1,373. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,934 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$ 1,262 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$ 1,074 on momondo.

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

There are 2 cabin classes 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 42% 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 March 2026, prices for London Heathrow Airport to Seoul flights are approximately 1% more expensive 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

Best price found

C$ 1,373

Fastest flight time

12h 40m

Direct flights

Every day

Airports in Seoul

2 airports
The best flight deal from London Heathrow Airport to Seoul found on momondo in the last 72 hours is C$ 1,373
The fastest flight from London Heathrow Airport to Seoul takes 12h 40m
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 40m 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
Fri 10/4
Fri 17/4
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