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Cheap flights from Seoul to London Heathrow Airport from £159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to London Heathrow Airport departing on 24/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seoul to London

Cheap return flights

These are some of the best return flight deals from Seoul to London that have been recently found on momondo from popular airlines, departing in the coming months.
14:50 - 18:15ICN-LHR
36h 25m1 stop
21:30 - 22:15LHR-ICN
15h 45m1 stop
£377China Southern
Find Deal
Thu, 27 Feb - Sun, 9 Mar
14:50 - 18:15ICN-LHR
36h 25m1 stop
22:10 - 13:55LHR-ICN
31h 45m1 stop
£378China Southern
Find Deal
Thu, 13 Feb - Tue, 13 May
16:15 - 18:15ICN-LHR
35h 00m1 stop
21:30 - 22:15LHR-ICN
15h 45m1 stop
£378China Southern
Find Deal
Sat, 1 Mar - Sat, 8 Mar
16:20 - 13:55ICN-LHR
30h 35m1 stop
21:00 - 15:25LHR-ICN
33h 25m1 stop
£382China Eastern
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Thu, 6 Mar - Mon, 10 Mar
16:35 - 13:55ICN-LHR
30h 20m1 stop
21:00 - 11:55LHR-ICN
29h 55m1 stop
£382China Eastern
Find Deal
Mon, 10 Mar - Fri, 21 Mar
13:10 - 15:55ICN-LHR
35h 45m1 stop
21:35 - 12:55LHR-ICN
30h 20m1 stop
£398Air China
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Fri, 7 Mar - Tue, 11 Mar
17:50 - 15:55ICN-LHR
31h 05m1 stop
21:35 - 12:55LHR-ICN
30h 20m1 stop
£400Air China
Find Deal
Thu, 27 Feb - Tue, 4 Mar
00:20 - 11:25ICN-LHR
44h 05m2 stops
13:55 - 11:15LHR-ICN
36h 20m1 stop
Mon, 10 Mar - Wed, 12 Mar
08:55 - 17:30ICN-LHR
17h 35m1 stop
21:00 - 21:30LHR-ICN
39h 30m2 stops
Fri, 7 Mar - Mon, 10 Mar
11:50 - 07:20ICN-LHR
28h 30m2 stops
17:15 - 06:40LHR-ICN
28h 25m2 stops
£460Royal Brunei Airlines
Find Deal
Tue, 18 Feb - Sun, 23 Feb

China Southern flights from Seoul to London Heathrow Airport

Our best China Southern deals on Seoul to London Heathrow Airport flight tickets
China Southern
27 Feb
ICN14:50Incheon Intl
36h 25m
1 stop
LHR18:15London Heathrow
9 Mar
LHR21:30London Heathrow
15h 45m
1 stop
ICN22:15Incheon Intl
China Southern
13 Feb
ICN14:50Incheon Intl
36h 25m
1 stop
LHR18:15London Heathrow
13 May
LHR22:10London Heathrow
31h 45m
1 stop
ICN13:55Incheon Intl
China Southern
1 Mar
ICN16:15Incheon Intl
35h 00m
1 stop
LHR18:15London Heathrow
8 Mar
LHR21:30London Heathrow
15h 45m
1 stop
ICN22:15Incheon Intl

China Eastern flights from Seoul to London Heathrow Airport

Our best China Eastern deals on Seoul to London Heathrow Airport flight tickets
China Eastern
6 Mar
ICN16:20Incheon Intl
30h 35m
1 stop
LHR13:55London Heathrow
10 Mar
LHR21:00London Heathrow
33h 25m
1 stop
ICN15:25Incheon Intl
China Eastern
10 Mar
ICN16:35Incheon Intl
30h 20m
1 stop
LHR13:55London Heathrow
21 Mar
LHR21:00London Heathrow
29h 55m
1 stop
ICN11:55Incheon Intl
China Eastern
4 Mar
ICN13:15Incheon Intl
37h 15m
1 stop
LHR17:30London Heathrow
10 Mar
LHR21:00London Heathrow
14h 45m
1 stop
ICN20:45Incheon Intl

See travel insights to London from

How to get the cheapest flight ticket from Seoul to London Heathrow Airport

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 Seoul and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, May is the cheapest month to fly from Seoul to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £562. The month of June is another great option to travel to London Heathrow Airport, with average flight prices from Seoul averaging around £574.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Seoul is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £798. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £913.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Seoul to London Heathrow Airport in the evening for as low as £545. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £899 on average. Flights to London Heathrow Airport from Seoul in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Seoul to London Heathrow flight route?

Fly from Incheon Intl to London Heathrow for the best Seoul - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Seoul when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £671 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Seoul for as low as £605 on momondo.

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

There are 4 cabin classes available to choose from on Seoul to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seoul to London Heathrow Airport flight prices changed over time?

As of January 2025, prices for Seoul to London Heathrow Airport flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to London Heathrow Airport

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

Cheap Seoul to London Heathrow Airport (SEL to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to London Heathrow Airport

Best price found

£159

Fastest flight time

15h 25m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Seoul in the past 72 hours is £159. The best return flight deal from Seoul to London Heathrow Airport found on momondo in the last 72 hours is £377.
The fastest flight from Seoul to London Heathrow Airport takes 15h 25m
Direct flights go from Seoul to London Heathrow Airport every day.

  • How far is Seoul to London Heathrow by plane?

    The distance between Seoul and London Heathrow is about 5512.0 mi. By plane, this route typically takes 16h 10m.

  • When did momondo last update prices for flights from Seoul to London Heathrow Airport?

    Prices for flights from Seoul to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Seoul to London Heathrow Airport?

  • How old do you have to be to fly from Seoul to London Heathrow Airport?

    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 Seoul to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seoul to London Heathrow Airport?

  • What is the most popular airline from Seoul to London Heathrow Airport?


Best airlines flying from Seoul to London Heathrow Airport

Compare and see reviews for airlines that fly from Seoul to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £393Free CancellationRating
7.5
89 reviews
Search China Southern flights
China EasternPriceFrom £412Free CancellationRating
7.0
125 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom £636Free CancellationRating
8.2
461 reviews
Search Asiana Airlines flights
Korean AirPriceFrom £850Free CancellationRating
8.4
1,034 reviews
Search Korean Air flights
  • Korean Air Flights From Seoul to London Heathrow Airport

    Korean Air operates around 7 flights from Seoul to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £1,243, but momondo users have found Korean Air deals from Seoul to London Heathrow Airport from as low as £1,058 round-trip. Korean Air has been scored 8.4/10 in 1,034 reviews.

  • Asiana Airlines Flights From Seoul to London Heathrow Airport

    The best Asiana Airlines deal for Seoul to London Heathrow Airport flight tickets found on momondo in the last 72 hours was £792, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £1,076 round-trip. Asiana Airlines operates 5 flights out of Seoul into London Heathrow Airport in an average week, so prices vary by time and availability. 461 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Stratford-upon-Avon
Southend-on-Sea
Swindon
Ipswich
Northampton
Gatwick
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Margate
Hounslow
Canterbury
Ilford
Salisbury
Colchester
Dartford
Swanage
Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to London. momondo saves you time and could save you money on your trip.

Can I find flights from Seoul to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Seoul with this policy.

How can momondo help me find flights from Seoul to London?

Once all potential Seoul to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seoul to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seoul to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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