ICN - LHR

Find Cheap Flights from Seoul Incheon Intl to London Heathrow

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Seoul (ICN)
London Heathrow
Sat 16/11
Sat 23/11
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Seoul Incheon Intl to London Heathrow flight information

Avg. flight duration 11h 42m
Flights arrive in London Heathrow
Flights depart from Seoul Incheon Intl
Flight price £422
Distance 5,507 miles
Airlines Shenzhen Airlines, Finnair, Air China, Singapore Airlines, Asiana Airlines, Etihad Airways

Good to know

Low season:
March
Best time to beat the crowds
2%
expected price decrease
High season:
July
Most popular time to fly
7%
expected price increase
Average price:
£567
(avg. price over the last 2 weeks)
Good deal:
£439
or less (return)

When to Book Flights from Seoul Incheon Intl to London Heathrow

Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

Looking for a cheap flight? 25% of our users found flights on this route for £439 or less.
The cheapest flight from Seoul Incheon Intl to London Heathrow was found, on average, 27 days before departure.
Book at least 1 week before departure in order to get a below-average price.
High season is considered to be June, July and August. The cheapest month to fly is March.
Morning departure is around 22% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking Seoul Incheon Intl to London Heathrow Flights

How long does a flight from Seoul Incheon Intl to London Heathrow take?
The average direct flight takes 12h 30m, covering a distance of 5507 miles.
How many flights are there between Seoul Incheon Intl and London Heathrow?
There are 40 (direct) flights between Seoul Incheon Intl and London Heathrow per week, averaging 5 per day.
Which airlines provide the cheapest flights from Seoul Incheon Intl to London Heathrow?
In the past 3 days, the cheapest return tickets were found on Shenzhen Airlines (£422), Finnair (£433) and Air China (£460).
Which airlines fly most frequently between Seoul Incheon Intl and London Heathrow?
Korean Air (2 times daily), British Airways (2 times daily), Asiana Airlines (1 times daily) are the most frequent flyers on this route.
What’s the cheapest day of the week to fly from Seoul Incheon Intl to London Heathrow?
For Seoul Incheon Intl to London Heathrow, Wednesday is the cheapest day to fly on average and Friday is the most expensive. Flying from London Heathrow back to Seoul Incheon Intl, the best deals are generally found on Wednesday, with Friday being the most expensive.
How does KAYAK find such low flight prices?
KAYAK processes over 2 billion travel queries annually and displays results from hundreds of airlines and third party sites, allowing it to find a variety of flight prices and options. It also displays results from 2M+ properties along with car hire, holiday packages, activities and millions of verified reviews so users can see as many available travel options as possible.
How can Hacker Fares save me money?
Hacker Fares allow you to combine one-way tickets on different airlines when it can save you money over a traditional return ticket.
Does KAYAK query more flight providers than competitors?
Yes, KAYAK has access to more data and information than online travel agencies and consistently outperforms the competition in accuracy, globally.
How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a given destination and date is likely to change within 7 days, so travellers know whether to wait or book now.

Book cheap flights from Seoul Incheon Intl to London Heathrow (return)

Airports
Origin
Seoul
£422
only
£422
Destination
London
£422
only
£422
Wed, 25 Dec
ICN
Seoul Incheon Intl
LHR
London Heathrow
37h 45m
Tue, 31 Dec
LHR
London Heathrow
ICN
Seoul Incheon Intl
30h 55m
£422
Trip: 7 days
6.5GoodShow reviews
Overall 6.5 Good
Based on 76 reviews
Boarding
6.6
Comfort
6.5
Crew
7.1
Entertainment
5.4
Food
6.1
CAN
CTU
Good 6.3

Pros: staff quite friendly and helpful

Cons: the seat can not be adjusted, worst one I've seen all these years.

SZX
TPE
Good 7.6

Pros: Good service, decent food, fair sized planes

Cons: All is good

SZX
SIN
Excellent 10.0

Pros: The service has improved and nice to travel with them especially when I'm star alliance gold member.

Cons: Nothing for this trip

SZX
PVG
Excellent 8.0

Cons: Made a good effort.

SZX
CGK
Mediocre 2.0

Pros: Only chose it for v price but it's a terrible airline.

Cons: Flight was delayed. Seats are so cheap that are super uncomfortable. Food is terrible.

Sat, 1 Feb
ICN
Seoul Incheon Intl
LHR
London Heathrow
16h 20m
Sat, 22 Feb
LHR
London Heathrow
ICN
Seoul Incheon Intl
34h 25m
£433
Trip: 22 days
7.7GoodShow reviews
Overall 7.7 Good
Based on 3,525 reviews
Overall
7.8
Boarding
8.0
Comfort
7.5
Crew
8.3
Entertainment
7.3
Food
7.2
HEL
HKG
Excellent 8.3

Pros: A350, smooth and quiet. Nice plane

Cons: Seats in business are a little crowded and close together. opening to get in and out of seat is minimal

HEL
NRT
Excellent 9.3

Pros: Great crew

VNO
HEL
Excellent 9.0

Cons: Boarding process could have been smoother

HEL
JFK
Excellent 10.0

Pros: Everything

Cons: None

HEL
JFK
Good 6.3

Pros: Crew was great.

Cons: Delay of almost 24 hours.

Mon, 21 Oct
ICN
Seoul Incheon Intl
LHR
London Heathrow
28h 25m
Tue, 29 Oct
LHR
London Heathrow
ICN
Seoul Incheon Intl
32h 00m
£460
Trip: 9 days
6.5GoodShow reviews
Overall 6.5 Good
Based on 5,604 reviews
Overall
6.6
Boarding
6.8
Comfort
6.6
Crew
7.1
Entertainment
6.1
Food
6.1
PEK
LAX
Excellent 8.0

Pros: Crew were very nice. Especially Pan (don't know his last name). Food was good, too. I appreciated having movies to watch from the screen on the seat in front of me.

Cons: Too much turbulence! It was quite uncomfortable for a long time. There were not enough comforting announcements from the flight deck to explain it. Crew members need practice in pronouncing English, and louder. Crew volume was too low compared to captain. American movie selection was too limited.

CTU
HKG
Excellent 8.0

Pros: The flight arrive on time. The airline did all they could to accommodate late passengers and even held back about 10 minutes because of the long lines at customs. Despite holding back they still manage to get us to our destination on time.

Cons: The entertainment was lacking severely however since this was a Sunday morning 7 AM departure most everyone on the plane slept so it was not an issue.

PEK
JFK
Excellent 10.0

Cons: Luggage didn’t make it to JFK. Expecting it will in the next 24-48 hours.

SFO
PEK
Mediocre 3.6

Pros: Even woth premium economy it still wasnt as good as thought it was going to be.

Cons: Planes need to update seats

JFK
PEK
Mediocre 2.6

Cons: Horrible experience of sitting on the tarmac for more than four hours with no air conditioning in New York on a 95 degree day. I thought I would die. There seemed to be no concern among the crew for our extreme discomfort.

Sun, 26 Jan
ICN
Seoul Incheon Intl
LHR
London Heathrow
23h 45m
Fri, 31 Jan
LHR
London Heathrow
ICN
Seoul Incheon Intl
21h 20m
£474
Trip: 6 days
8.7ExcellentShow reviews
Overall 8.7 Excellent
Based on 3,700 reviews
Overall
8.7
Boarding
8.8
Comfort
8.5
Crew
9.0
Entertainment
8.7
Food
8.4
MAN
IAH
Good 7.0

Pros: Cabin crew was amazing!

Cons: Food was mediocre and we've had better on Singapore Airlines before.

CGK
SIN
Okay 5.0

Cons: We missed the smile and quality service liked before. Food quality is just okay. Timeliness for departure/arrival was excellent.

PER
SIN
Good 6.3

Pros: The crew was friendly

Cons: In this fairly new plane, the rows of seats are so close together, the leg room is minimal. When the tray is lowered, you feel completely squashed in the seat. The food trays are not picked up quickly after eating.

SIN
HKG
Good 7.6

Pros: Super good crew.

SIN
LAX
Excellent 10.0

Pros: Amazing crew. On-stop flight. All premium economy for reasonable price.

Cons: Silk air

Thu, 16 Jan
ICN
Seoul Incheon Intl
LHR
London Heathrow
12h 30m
Sat, 25 Jan
LHR
London Heathrow
ICN
Seoul Incheon Intl
10h 55m
£598
Trip: 10 days
10.0ExcellentShow reviews
Overall 10.0 Excellent
Based on 2 reviews
Boarding
8.4
Comfort
8.2
Crew
8.7
Entertainment
8.0
Food
8.1
ICN
SEA
Excellent 8.0

Pros: Seat comfort and service

Cons: Cabin temp too warm; mediocre headphones (bro f your own)

ICN
LHR
Excellent 10.0

Pros: Crews were absolutely amazing. They had been so helpful and kind during the entire trip

Cons: It was just perfect

ICN
ORD
Excellent 9.0

Pros: Crew was friendly and seats were comfortable.

Cons: The food could have been better. The entertainment center was also somewhat outdated.

MNL
ICN
Excellent 8.0

Pros: Charming crew

SGN
ICN
Excellent 9.0

Pros: Crew amazing, seat comfortable

Cons: More new movie and menu for food diversity like noodles sandwiches.,,,

Fri, 18 Oct
ICN
Seoul Incheon Intl
LHR
London Heathrow
31h 25m
Sat, 19 Oct
LHR
London Heathrow
ICN
Seoul Incheon Intl
30h 50m
£771
Trip: 2 days
7.3GoodShow reviews
Overall 7.3 Good
Based on 6,471 reviews
Overall
7.4
Boarding
7.5
Comfort
7.3
Crew
7.7
Entertainment
7.4
Food
7.0
AUH
LHE
Good 6.6

Pros: Crew was nice and friendly. Food came in a paper bag but still was good and plenty. The plane was an Airbus-330, it's a smaller plane for shorter routes but the seats were actually more comfortable than the newest Boeing 787-9 they use for long hauls.

Cons: Don't bus the passengers to the plane and make them climb the stairs. It's almost 2020.

ORD
AUH
Mediocre 2.0

Pros: Nothing really.

Cons: Their time.

BRU
AUH
Good 7.3

Pros: crew was good. Seat was good but it was a business class seat in a 787-9; so it should be good.

Cons: wines were mediocre which was balanced out by the good quality of the food. Brussels to Abu Dabhi boarding was a little chaotic with coach and front cabin passesgers packed in a single bus. Noticed many older passengers standing for the longish bus ride.

HYD
AUH
Good 6.0

Cons: aren't all the passengers on the flight same? how come economy passengers denied Biryani, while premium and Business class gets it?

BNE
AUH
Excellent 10.0

Pros: 787 no one cannot love it

Cons: Maybe bigger seats with better privacy

Mon, 18 Nov
ICN
Seoul Incheon Intl
LHR
London Heathrow
36h 10m
Tue, 26 Nov
LHR
London Heathrow
ICN
Seoul Incheon Intl
32h 00m
£431
Trip: 9 days
6.5GoodShow reviews
Overall 6.5 Good
Based on 76 reviews
Boarding
6.6
Comfort
6.5
Crew
7.1
Entertainment
5.4
Food
6.1
SHA
SZX
Mediocre 2.0

Cons: All flights to and from China from this booking were cancelled. China Air customer service was non existent and has offered no compensation for additional travel expenses.

SZX
SIN
Excellent 10.0

Pros: The service has improved and nice to travel with them especially when I'm star alliance gold member.

Cons: Nothing for this trip

ICN
SZX
Excellent 10.0

Pros: Great service both on the ground and in the air. The staff was very nice and made sure everything for me was perfect.

HRB
TNA
Okay 5.6

Pros: Was an ok flight experience. Boarding was smooth and the cabin staff were pleasant.

Cons: Not one of my 4 flight legs were on time. The flight I was on was advertised as non stop flight but what is not made clear is the flight has to make a stop for passengers to clear immigration and customs - which is ok but they should make it clear. They also have a wierd policy of not allowing use of phones or tablets even on flight safe mode which if you aren't prepared for makes a boring flight.

PEK
LXA
Okay 4.6

Pros: We asked at the China air lounge if we could change seats to sit together, which they did.

Cons: Food quality (we did not eat a bite), space

Sat, 7 Mar
ICN
Seoul Incheon Intl
LHR
London Heathrow
16h 20m
Tue, 17 Mar
LHR
London Heathrow
ICN
Seoul Incheon Intl
16h 45m
£435
Trip: 10 days
7.7GoodShow reviews
Overall 7.7 Good
Based on 3,525 reviews
Overall
7.8
Boarding
8.0
Comfort
7.5
Crew
8.3
Entertainment
7.3
Food
7.2
RIX
HEL
Excellent 9.0

Pros: Crew was great and welcoming

Cons: Some features on screen did not work, also seat handle wasnt possible to lower

HEL
JFK
Mediocre 3.3

Pros: Economy size seats fitted in Business Class and so much wastage of space around seats, very little quantity and quality of food available.The flights to Delhi and Amritsar has more than 60 % Punjab Travelers and there is not even a single movie in Punjabi movie. Poor.

Cons: Economy size seats fitted in Business Class and so much wastage of space around seats, very little quantity and quality of food available.The flights to Delhi and Amritsar has more than 60 % Punjab Travelers and there is not even a single movie in Punjabi language. Poor.

HEL
LHR
Okay 4.3

Cons: - Leave in time - Working onboard entertainment system

CDG
HEL
Excellent 8.0

Pros: The fact that we were offered an additional round of water and the friendliness of the crew.

HEL
TKU
Mediocre 3.0

Pros: At least the crew was friendly

Cons: The flight was delayed for 1 hour and we were sitting inside the airbus with no air condition due to technical difficulties on 35 degrees sweating like pigs. No water or snack was offered even though the delay was so big.

Wed, 25 Dec
ICN
Seoul Incheon Intl
LHR
London Heathrow
37h 45m
Tue, 31 Dec
LHR
London Heathrow
ICN
Seoul Incheon Intl
32h 00m
£431
Trip: 7 days
6.5GoodShow reviews
Overall 6.5 Good
Based on 76 reviews
Boarding
6.6
Comfort
6.5
Crew
7.1
Entertainment
5.4
Food
6.1
KIX
PEK
Mediocre 2.0

Pros: I was stranded by not being aloud to board the plane there was a visa problem at my destination the air China staff required me to have a visa to enter the country of India. There is a tourist visa for under 180 days stay. That’s what I get when I enter on a land route just a 60 day visa upon arrival so the agents would not let me board. Air China sent me a note that I could cancel the flight and should be able to get a refund. I have called 6 times already and have yet to speak with anyone I stayed in the station all night and at 9 am today they will give be a number that will work

Cons: I would like to get a full refund

PVG
KMG
Excellent 8.0

Pros: There was plenty of leg room

Cons: The policy about cell phone use on the aircraft

SHA
SZX
Mediocre 2.0

Cons: All flights to and from China from this booking were cancelled. China Air customer service was non existent and has offered no compensation for additional travel expenses.

JJN
CAN
Mediocre 2.0

Pros: NOTHING!

Cons: A HORRIBLE EXPERIENCE WITH FLIGHT NETWORK. I WILL NEVER EVER AGAIN BOOK MY TICKETS ON KAYAK.COM DESPITE MAKING AN ONLINE BOOKING THE PREVIOUS DAY AND RECEIVING BY EMAIL A FLIGHT CONFIRMATION BOOKING REFERENCE NUMBER, 6 HOURS INTO THE DEPARTURE, FLIGHT NETWORK TELLS ME THAT THE BOOKING IS CANCELLED AS THE AIRLINE COULD NOT CONFIRM THE BOOKING ! BEWARE, AS OUTSOURCING TRAVEL AGENTS ARE PLAYING GAMES !! VERY UNRELIABLE !

XIY
CAN
Good 6.3

Pros: The crew was very nice and the seats are comfortable for a short flight

Cons: Entertainment options could have been better.

Tue, 31 Mar
ICN
Seoul Incheon Intl
LHR
London Heathrow
21h 15m
Sat, 18 Apr
LHR
London Heathrow
ICN
Seoul Incheon Intl
25h 40m
£477
Trip: 19 days
8.7ExcellentShow reviews
Overall 8.7 Excellent
Based on 3,700 reviews
Overall
8.7
Boarding
8.8
Comfort
8.5
Crew
9.0
Entertainment
8.7
Food
8.4
SIN
PVG
Excellent 10.0

Pros: Amazing staff and service!

Cons: None!

SIN
MAA
Excellent 10.0

Pros: Crew , amenities and food

Cons: None

KIX
SIN
Good 7.6

Pros: The crew professional and friendly

Cons: The food was rather bland and did not live up to my expectations

CMB
SIN
Good 7.6

Pros: Good food. Friendly staff efficient airports.

Cons: Confusion at check in on baggage constrains. Conflict between what the agent told us and what was documented on our ticket contract. Plane very cold Unable to recline seats for much of the flight under guidance of flight attendants. Unable to sleep as a result.

MAN
IAH
Excellent 8.0

Pros: They were very generous with food and drinks. It was a pleasant flight.

Cons: Our seats were uncomfortable. We did not like sitting on the front row three deep. We would have preferred the extra legroom seats we had on the 1st flight

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