£330 Find Cheap Flights from London Heathrow Airport to South Korea

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to South Korea departing on 16/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Heathrow to South Korea

Cheapest return prices found by our users on KAYAK in the last 72 hours
Busan
Busan1 stop£557
Jeju City
Jeju City1 stop£659
Busan
Busan1 stop£557
Jeju City
Jeju City1 stop£659

Book Cheap Heathrow to South Korea Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow to South Korea that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to South Korea

Mon, 7 Sep - Wed, 14 Oct
Air China Logo
22:40 - 13:05
LHR
-
GMP
30h 25m
1 stop
Air China Logo
14:25 - 17:40
GMP
-
LHR
35h 15m
1 stop
£477Air China
Tue, 13 Oct - Tue, 20 Oct
Air China Logo
22:00 - 12:55
LHR
-
ICN
30h 55m
1 stop
Air China Logo
13:05 - 20:25
ICN
-
LHR
15h 20m
1 stop
£503Air China
Mon, 26 Oct - Sun, 22 Nov
Shenzhen Airlines Logo
21:10 - 15:45
LHR
-
ICN
33h 35m
1 stop
Shenzhen Airlines Logo
14:55 - 19:10
ICN
-
LHR
37h 15m
1 stop
£508Shenzhen Airlines
Mon, 26 Oct - Sun, 22 Nov
Shenzhen Airlines Logo
21:10 - 15:45
LHR
-
ICN
33h 35m
1 stop
Shenzhen Airlines Logo
16:45 - 19:10
ICN
-
LHR
35h 25m
1 stop
£509Shenzhen Airlines
Wed, 27 May - Fri, 14 Aug
China Southern Logo
21:00 - 12:25
LHR
-
GMP
31h 25m
1 stop
China Southern Logo
13:30 - 18:05
GMP
-
LHR
36h 35m
1 stop
£557China Southern
Tue, 26 May - Tue, 2 Jun
China Southern Logo
21:00 - 12:25
LHR
-
GMP
31h 25m
1 stop
China Southern Logo
13:30 - 18:05
GMP
-
LHR
36h 35m
1 stop
£599China Southern
Wed, 10 Jun - Tue, 16 Jun
Korean Air Logo
19:35 - 20:45
LHR
-
PUS
17h 10m
1 stop
Korean Air Logo
08:00 - 17:20
PUS
-
LHR
17h 20m
1 stop
£721Korean Air
Wed, 3 Jun - Tue, 16 Jun
Korean Air Logo
19:35 - 18:20
LHR
-
PUS
14h 45m
1 stop
Korean Air Logo
08:45 - 17:20
PUS
-
LHR
16h 35m
1 stop
£722Korean Air
Mon, 1 Jun - Mon, 15 Jun
China Eastern Logo
21:20 - 15:00
LHR
-
CJU
33h 40m
1 stop
China Eastern Logo
19:10 - 18:40
CJU
-
LHR
31h 30m
1 stop
£812China Eastern
Mon, 1 Jun - Mon, 15 Jun
China Eastern Logo
21:20 - 15:00
LHR
-
CJU
33h 40m
1 stop
China Eastern Logo
13:40 - 18:40
CJU
-
LHR
37h 00m
1 stop
£813China Eastern
Booking Insights

KAYAK's insights & trends for Heathrow to South Korea flights

Get data-powered insights and trends into flights from Heathrow to South Korea to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest London Heathrow Airport to South Korea flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to South Korea from London Heathrow Airport found in the last 72 hours was to Seoul, at £624 return. The most popular route is from London Heathrow Airport (LHR) to Incheon Intl Airport (ICN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was £624.

What is the cheapest time of day to fly to South Korea?

The average price for all round-trip flights from London Heathrow Airport to South Korea depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to South Korea is generally in the afternoon, when retur flights cost £658 on average. Morning departures are around 5% cheaper than evening flights, on average. The most expensive time of day to fly to South Korea is generally at night, which is peak travel time and where the average cost of a ticket is £956.

What is the cheapest month to fly from London Heathrow Airport to South Korea?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to South Korea, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to South Korea is January, when tickets cost £303 (return) on average. On the other hand, the most expensive months are December and September, when the average cost of return tickets is £1,364 and £1,087 respectively.

What’s the cheapest day of the week to fly from London Heathrow Airport to South Korea?

The average price of all round-trip flights from London Heathrow Airport to South Korea clicked on KAYAK for each day over the last 12 months.

For London Heathrow Airport to South Korea, Wednesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from South Korea back to London Heathrow Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to South Korea, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from London Heathrow Airport to South Korea, you should book around 4 weeks before departure, which saves you about 8% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Good to know - Cheap tickets from London Heathrow Airport to South Korea

Low seasonJanuary
Cheapest flight£330
Best time to beat the crowds (34% less expensive on average)
Most popular time to fly (32% more expensive on average)
Flight from London Heathrow Airport to Seoul Incheon Airport

FAQs - booking South Korea flights

  • How does KAYAK find such low prices on flights from London Heathrow Airport to South Korea?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to South Korea is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to South Korea?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London Heathrow Airport to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to South Korea?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines flying from Heathrow to South Korea

 
Need help choosing which airline to fly with from Heathrow to South Korea? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1214 reviews
8.7Crew
8.5Boarding
8.2Entertainment
8.3Comfort
8.1Food
Airline reviews

Aircraft is pretty old. Seat is not comfortable. Meal quality is disappointing. Entertainment system is not impressive at all.

4.0 OkayAnonymous, Apr 2026
GMP - CJU
Read more Korean Air reviews

Aircraft is pretty old. Seat is not comfortable. Meal quality is disappointing. Entertainment system is not impressive at all.

Always on time and flight crew were great. Boarding in Manila was a bit chaotic and disorganized compared to Incheon.

Never had a flight delay issue with Korean Air, that's why I always go with this airline.

Flight crew were very attentive and made this trip a pleasure. Plus the fact that this our first time flying business class.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

Korean are so racist and when I ask question or directions they totally ignore me and say racist. Also they give me an rude attitude.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I normally love Korean Air, but this trip was not great. We boarded the plan and were settling into our seats. My son and I use these leg swings and we used it on the trip over to Cambodia, but on the way back the flight attendant very rudely told us we could not use it and that it was against regulations. I asked to see the regulation, but never saw it. The food on this trip was horrible as well, Even my son's kids meal was disgusting so we didn't eat anything on the flight. Thankfully we brought snacks. Entertainment - what happened to the games?

Humm, I should have known that the seat I peaked on my flight from Inchon to Manila was designed for a toddler or very small person.

The staff hold my luggage to steel and exchange my stub, i was very disappointed.

Kayak along with airfare assay are attempting to steal my money. Charges are being pressed.

Customer service and attention to details. The food was good.

Felt like the oldest plane in Asiana Fleet. Screen was 5-6in only and no charging at all. Movie selection wasn't great.

Food could be better it was okay. Entertainment seems dated it was something but in this day and age could be a lot better.

I’d have rated Asiana good except an unfortunate incident in which I felt one of your employee didn’t really help us. During the first leg of the trip, the flight from LAX to ICN, I left my backpack on the plane. When I realized, I reported to one of your employee who promised me that it’d be taken care of, that my backpack will be there at HCM city. When we arrived there, HCM people had no idea and my backpack was still at Incheon airport who denied any knowledge whatsoever. I was left in the cold and felt helpless. I was very disappointed. I’d like someone to look into this and let me know.

It was my first time flying Asiana but i was very pleased with how professional and understanding the flight crew is with little kids. One flight attendant held my 3 year old daughter’s hand guiding her to the exit after landing while i had my hands full with luggage and my infant. She was very helpful.

The customer service was excellent. They noticed that our connecting flight was scheduled too closely for us to complete customs, so they changed the flight. Our initial flight was delayed, and they were able to get us on another flight, all without charging us any additional fees. I would fly them again anytime!

2nd major delay due to maintenance issues. 1st delay missed my connecting flight.

Seating and zone. The minor I went with didn’t even seat close to me

My seat 3G did not go down fully and the buttons were not working properly

Food has been disappointing in both legs of flight to india

Great staff great experience, made a 2 hour delay very bearable

Great staff, great experience, made a 2 hour delay very bearable

Food was the worst I’ve had on a VA flight. Normally it’s a lot better

I was my pleasure to fly virgin on my birthday for my first solo trip ever 🫶🏼

These are one of the older seat arrangements facing away from the windows! Not particularly convenient sets. No storage spaces. NO COAT HANGING HOOKS. Inconvenient business class seat compared to any other airlines of similar class. Staff are excellent! Extremely professional, friendly. Food is good too.

Overall, flight was excellent but check in was very slow for Premium Economy. Economy queue was shorter but we weren't allowed to use it.

The staff was not very polite but the flight was very very nice and comfortable and the entertainment was great

The meals were not the greatest and lacking of appetite but everything else was spot on

Overall, excellent: check-in, boarding, service, and food. The Business Class seating is a little less private and spacious than the world's premier airlines, but still very good for a long haul flight.

On time. Friendly and helpful flight attendants. The plane was clean. Having a wine available would have been nice.

Your staff was exceptional. Could teach the other airlines-rules on etiquette, and service. Excellent landings on flights, carried out by your pilots. Only complaint is long delay on return flight in Beijing, onto Vancouver.

Worst than I expected, crew was not attentive, meal was as disgusting , they didn’t even drink selections as they would to other passengers. I felt discriminated

cannot get seat information for LAX to IAH when check in in XI,AN

UA is ok. But check in was a very bad experience

I hate that you cannot check in online and when you are at the airport, there aren't any aisle seats left. Also, they could work a little on subtitles for their movies (not everyone is a native English speaker).

Nothing to complain of, the only reason I am not giving better marks is that I am used to flying with ANA and they are the top.

It's terrible that we can't do online check in because we didn't buy the tickets directly from Air china. It was not explained until I contacted Chatdeal and we could not sit together.

Was terri le experience with gate lufthansa personal at Frakfurt.

The staff was bit rude when I asked for an extra drink after one beer, asked for one wine glass.

Flight map did not work. Crew was great, food was good, plane took off on time and landed early. That's all I can ask.

Paid for exit row at the back of the plane. Window seat with lots of leg space. Food was inedible (as usual). Brought my own.

We had the best help ever from the airport workers who helped us check in and get our luggage through even though the checkout was closed. We had gotten so lost that a 90 minute drive became 3 hours. They were fast and courteous and even helped with our rental car. Thank you to them!

Efficiency of staff, and comfort and cleanliness of aircraft was all great. Maybe a hot drink without payment at that time in the morning would be good!

The plane was late (as was my flight out from Birmingham the day before)

The entertainment is pretty boring. There are no new movies or TV shows from February. The food is just ok on the Atlanta to Frankfurt leg, but better on the Fra to Bengaluru leg.

The flight was delayed by an hour. Made the connection uncomfortably tight.

Check in could have been a little cheerful rather than dour

Everything you need to know for your flight from Heathrow to South Korea

Information on your arrival and departure airports