ICN - LHR

£155 Find Cheap Flights from Seoul Incheon Airport to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Incheon Intl to Heathrow departing on 20/5. 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

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to London, as well as popular online travel agencies
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Cheap Flight Deals from Incheon Intl to Heathrow (ICN-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Incheon Intl to Heathrow 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.

Recent return flight deals from Incheon Intl to Heathrow

KAYAK's recommended return flight deals from the most popular airlines that fly from Incheon Intl to Heathrow.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
SWISS Logo
10:05 - 08:15ICN-LHR
30h 10m2 stops
SWISS Logo
19:15 - 08:25LHR-ICN
29h 10m2 stops
£347SWISS
Find Deal
Mon, 16 Jun - Thu, 26 Jun
Air China Logo
14:55 - 20:15ICN-LHR
37h 20m1 stop
Air China Logo
22:00 - 12:55LHR-ICN
30h 55m1 stop
£357Air China
Find Deal
Mon, 12 May - Tue, 27 May
China Southern Logo
16:45 - 19:00ICN-LHR
34h 15m1 stop
China Southern Logo
22:10 - 15:25LHR-ICN
33h 15m1 stop
£360China Southern
Find Deal
Tue, 20 May - Tue, 27 May
China Southern Logo
15:15 - 19:00ICN-LHR
35h 45m1 stop
China Southern Logo
22:10 - 15:25LHR-ICN
33h 15m1 stop
£362China Southern
Find Deal
Tue, 20 May - Tue, 27 May
China Eastern Logo
12:55 - 18:40ICN-LHR
37h 45m1 stop
China Eastern Logo
21:20 - 15:25LHR-ICN
34h 05m1 stop
£367China Eastern
Find Deal
Mon, 19 May - Sun, 1 Jun
China Eastern Logo
18:25 - 18:40ICN-LHR
32h 15m1 stop
China Eastern Logo
21:20 - 17:25LHR-ICN
36h 05m1 stop
£368China Eastern
Find Deal
Tue, 13 May - Wed, 14 May
 Logo
12:55 - 18:40ICN-LHR
37h 45m1 stop
 Logo
22:00 - 21:30LHR-ICN
39h 30m2 stops
Thu, 22 May - Mon, 2 Jun
 Logo
16:35 - 18:40ICN-LHR
34h 05m1 stop
 Logo
22:00 - 21:30LHR-ICN
39h 30m2 stops
Tue, 10 Jun - Mon, 30 Jun
Malaysia Airlines Logo
00:10 - 16:35ICN-LHR
24h 25m1 stop
Malaysia Airlines Logo
11:00 - 21:25LHR-ICN
26h 25m1 stop
£459Malaysia Airlines
Find Deal
Wed, 14 May - Wed, 21 May
Malaysia Airlines Logo
00:10 - 05:55ICN-LHR
37h 45m1 stop
Malaysia Airlines Logo
11:00 - 21:25LHR-ICN
26h 25m1 stop
£462Malaysia Airlines
Find Deal
Sat, 7 Jun - Tue, 17 Jun

Expert advice for your flight from Incheon Intl to Heathrow

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Asiana Airlines

Economy seats on the A350 offer 4 inches extra legroom and priority boarding with Economy Smartium.


Asiana's A350s provide inflight Wi-Fi for a fee; ensure your phone is in flight mode to avoid charges.

Korean Air

Prestige Class on the 747-8 offers direct aisle access and high privacy partitions for exclusivity.


First Class on 747-8 features Cosmo Suite with fully-closing doors for enhanced privacy.

Read more about Korean Airby Robert Schrader
Airports
ICN

For a smooth departure from ICN, allow at least an hour for check-in, security, and passport control due to busy lines.

Read more about ICNby Robert Schrader
LHR

The Heathrow Express takes you to London Paddington in just 15 minutes. Buy tickets in advance for the best rate.

Read more about LHRby Kirstie Pickering
Our travel experts
John Walton

John Walton

Expert on Asiana Airlines

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Robert Schrader

Robert Schrader

Expert on Korean Air and ICN

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site, Leave Your Daily Hell, in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Kirstie Pickering

Kirstie Pickering

Expert on LHR

Kirstie Pickering

Kirstie Pickering

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Read more

KAYAK's insights & trends for Incheon Intl to Heathrow flights

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

What’s the cheapest day of the week to fly from Seoul Incheon Airport to London Heathrow Airport?

The average price of all round-trip flights from Incheon Intl Airport to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to London Heathrow Airport on a Wednesday and more expensive on a Tuesday. On your return trip to Seoul Incheon Airport, you should consider flying back on a Wednesday, and avoid Saturdays for better deals.

What is the cheapest month to fly from Incheon Intl Airport to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Incheon Intl Airport to London Heathrow Airport, 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 Incheon Intl Airport to London Heathrow Airport is November, where tickets cost £492 (return) on average. On the other hand, the most expensive months are September and July, where the average cost of round-trip tickets is £790 and £754 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Incheon Intl Airport to London Heathrow Airport, 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 the flight from Incheon Intl Airport to London Heathrow Airport, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know - Cheap tickets from Seoul Incheon Airport to London Heathrow Airport

Low season

March

High season

December

Cheapest flight

£155
Best time to beat the crowds (18% less expensive on average)
Most popular time to fly and prices are also 12% lower on average.
Flight from Seoul Incheon Airport to London Heathrow Airport

When to book flights from Incheon Intl to Heathrow

Are your dates flexible? Find out the best times to travel from Incheon Intl to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Seoul Incheon Airport to London Heathrow Airport flights

  • What is the cheapest flight from Incheon Intl Airport to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Incheon Intl Airport to London Heathrow Airport was £207 for a one-way ticket and £464 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Seoul Incheon Airport to London Heathrow Airport?

    Only Asiana Airlines offers inflight Wi-Fi service on the Seoul Incheon Airport to London Heathrow Airport flight route.

  • Which aircraft models fly most regularly from Seoul Incheon Airport to London Heathrow Airport?

    The Boeing 777-300ER is the aircraft model that flies most regularly on the Seoul Incheon Airport to London Heathrow Airport flight route.

  • Which airline alliances offer flights from Seoul Incheon Airport to London Heathrow Airport?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Seoul Incheon Airport and London Heathrow Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Seoul Incheon Airport to London Heathrow Airport?

    There are direct flights from Seoul Incheon Airport to London Heathrow Airport on a daily basis.

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

    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 Seoul Incheon Airport to London Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Seoul Incheon Airport 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 Seoul Incheon Airport to London Heathrow Airport?

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

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

    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 to London Heathrow Airport from Seoul Incheon Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Incheon Intl Airport to London Heathrow Airport

  • Looking for a cheap flight from London Heathrow Airport to Seoul Incheon Airport? 25% of our users found flights on this route for £511 or less one-way and £721 or less round-trip.

Prefer to fly direct from Seoul Incheon Airport to London Heathrow Airport?

Find which airlines fly direct from Incheon Intl Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Incheon Intl to London Heathrow

Monday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Tuesday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Wednesday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Thursday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Friday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Saturday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Sunday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

See more direct flights

Direct returns

London Heathrow to Incheon Intl

Monday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Tuesday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Wednesday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Thursday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Friday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Saturday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

Sunday

Asiana Airlines, Korean Air, Virgin Atlantic

Asiana Airlines, Korean Air, +1 more

See more direct flights
See more direct flights

Top 4 airlines serving from Incheon Intl to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Incheon to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Incheon Intl to Heathrow? 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 1062 reviews
8.3Comfort
8.2Entertainment
8.5Boarding
8.7Crew
8.1Food
Airline reviews

They did an excellent job helping me with a wheelchair. I couldn’t have asked for any better help.

8.0 ExcellentAnonymous, Apr 2025ICN - BKK
Read more Korean Air reviews

They did an excellent job helping me with a wheelchair. I couldn’t have asked for any better help.

The delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.

The flight was on time and very quick, as expected, but the leg room isn't great in coach seats.

The boarding process for Korean airlines is very straightforward and easy. You've never met such helpful and friendly people. The food was great and the entertainment options were excellent too. My teenage boys found programs they wanted to watch while I had fun watching a full season of the Last Man - the Blind Investigator (Japanese), which my wife enjoyed too. My only complaint was that it takes a very long time to taxi at ICN (20 minutes) and the pilot had to hold at the gate for 10 minutes after our scheduled departure time, which meant we got to Seattle 27 minutes late. Luckily I had a long enough connection to make my next flight, but just barely.

Best service I’ve ever had Flight attendants are nicely dressed and look very professional

Just a typical domestic poor flight nothing more. There is no food choices in such a flight. Crew doesn't really care if you are on-board or not

My second flight wasn't better than the first one. And this is 14 hours trip, crew came out only to offer food and the choices was poor. This food choices are good for Asian people but not for westerners. The breakfast kind thing was a corn sausage really disgusting. The air-conditioned blower really blow high and cold, turn out on my arrival to feel seek, that makes the trip uncomfortable. The crew didn't not really come out during the trip to offer drinks or snacks. No fruits available. Very poor service

Our seat row plus one ahead and behind we're completely overlooked during beverage service...

I loved everything, I was just a little confused on my bag allowance. When I checked in it said I was allowed 2 check in bags, but when I got there they said I was only allowed 1 so I had to pay an additional 200 dollars! Other then that everything was great! I would love to use your Airlines again when I fly out to Manila again in late May, however I want to be able to have 2 bags included this time lol 😆

When I selected my seats, it showed row 29 as the front row, so I paid extra to sit in what I thought would be the front row, but when I boarded the plane, row 29 was the second economy row. I was disappointed that I'd spent almost $100 more for no actual benefit.

It was all perfect and very pleasant for such long flights

The seats felt very small. We were supplied with pillows and blankets, which was nice. Lots of noise from the bathroom, plus exterior noise. Made it hard to hear the entertainment system, even using my own noise-cancelling headphones. The food was really bad. I generally request a vegetarian meal and one was supplied, but the pasta was cold and hard and there was nothing pleasant about it. Two meals were served on this flight; one was a repeat of the meal I had had on the flight immediately preceding this one, which was bad enough I didn't even try it. Drinks were very limited. All I wanted was water, and on a 10.5 hour flight, I was given 3 cups of about 3 ounces each.

We took business class, It was comfortable and I was able to sleep.

Everything was perfect. A flight attendant even brought me snacks after I declined food due to my desire to force myself to follow the destination time zone.

Only process that my luggage didn’t make it to my destination because of short connection but I understand

The boarding process was good. The toilet could be better maintained.

This has been the worst experience I've ever had. We arrived to Ho Chi Minh Airport and were supposed to get our Asiana ticket from the transfer counter as we came with a different airline. However, the staff at the transfer counter were not helpful and kept giving us different information. We were first told by Asiana airlines staff we had to wait 2 hours so they could print out and give us our tickets, then someone else told us we had to wait 3hrs, someone told us "I don't know, just go sit and wait and we will tell you later." This was at a place in the Ho Chi Minh airport that had no coffee or food shops, nothing, just immigration (to enter Vietnam with a Vietnam Visa) and security (to transfer into the gates) but we needed our printed boarding pass to go through. It wasn't until we demanded to speak to a supervisor as our flight time was 1hr away because they kept telling us "there's alot of time left for your international flight, we will get your tickets later" we still had to wait around 20minutes for the "Supervisor" to give us our tickets. I would NOT recommend Asiana Airlines, especially if going thru Ho Chi Minh Airport as they are not helpful. (We almost missed our flight, due to their lazyness and incompetence of printing our tickets) I would suggest Asiana Airlines to have a Machine in the transfer area so passengers can easily print out their boarding passes themselves and save some money by not hiring incompetent staff that can't do a simple task such as printing a boarding pass.

Great service. They could offer vegetarian food and do more to reduce waste.

I like the food, the crew and everything.!!! Except for the delay in our flight.

Great service and comfortable seats. The first meal was excellent but the second meal was only satisfactory

Boarding uncomfortable. Stewardess said I would have to check my carry on as there was no room in the overhead bins. Another passenger helped me find a spot.

Any flight that lands safely is a good flight. However our leg from Helsinki was delayed 1 hour with no explanation. The delay would not allow us to make our connection to Cincinnati. I was informed by American Airlines that our Cincinnati flight was rescheduled for the following day. I immediately made a non refundable hotel reservation in Dallas. Upon exiting the plane at Dallas I was given a hotel voucher. Nice, but I can't get a refund on the hotel I booked. A little communication would have been helpful. Food on Finnair is below quality of Korean Air.

The cabin crew really looked like they wanted to be somewhere else. They weren't really interested in providing an attentive service to full fare paying passengers at all. However the Captiain's in flight announcements were relaxed and very entertaining.

Crew were professional and responsive. Food was mediocre and breakfast could do with revampinmg

Food was very ordinary for premium economy, very small portions.

i dont know WHY they call it business class. the seats are NOT significantly wider than economy seats, they just do not let the middle seats be beepked to give the illusion of more space between passengers. the seats do NOT recline any more than economy seats either. the only real difference is the full meal served to business (vs none for economy). I would rather have a wider, lie flat ACTUAL business class seat with no food for a 3 hr flight. this was pretty disappointing to say the least.

There wore nice leather like sits, in my opinion seats lay out bit tight . Crew was great they did averything possible to make averywone comfortable as possible, food was, think worst I ever head on flight, head chicken and yellow rice. Ice cream was a nic treat.

Our previous flight was delayed but they waited for us to board.

Flight was delayed, short time connection to next flight but we make it, service was good, worth to fly just to try thair on board blueberry juce. Eccelent communication with airline.

My American Airlines flight was deleted and you guys never let me know

China eastern was fantastic. I had read so many bad reviews that had made me nervous. However, I found that the flight attendant’s, and customer service check in etc. etc. was excellent. I had no problems. I would fly with them again!

Excellent! I had read some negative reviews but I found out that it was not all was not true! The staff was courteous and helpful. The flight take off and landing was nice & easy. The food was good! I asked for a second and I got it easily and without an attitude! All was wonderful!

Excellent experience however older aeroplanes used by China Eastern Airlines.

The crew were excellent, service amazing, blankets and pillow good, cabin temperature perfect, the flight on time, food was unusual selection however plentiful, price for tickets unbeatable through Kayak. Older aeroplanes used by China Eastern was the only down side.

Delay in off-boarding due to customs at SFO... pilot announcement should have come earlier so passengers don't clog aisles.

Better good than most, if not all European airlines. If you’re stuck in an economy seat anyways, China Eastern is a good choice because of shorter flight time, being able to overfly Russia

The temperature of the plane cabin is too hot. Sweat and uncomfortable. Also my food tray was broken down drinks fall off

Reasonable. What they offer during the flight is not great, but the crew is polite and try to compensate it.

Price is the main attraction. Staff is OK but difficult to communicate with them due to general lack of English. Food is truly abysmal, the main courses (4) were barely edible. The choices for breakfast served at 5:30 am prior to landing at Gatwick airport were Spaghetti Bolognese or seafood fried rice. Choices offered for all 4 mains were either something rice or noodles. Shanghai airport layover is much too long in a very poorly serviced airport. We were unable to use WiFi; private lounges required cash only payment with no ATM or cash exchange open.

I was surprised and appreciate that they actually served a hot meal on such a short, early morning flight. The check in and boarding was hassle free and most of all my Alliance Status / Code Share was recognized and the revelant courtesy was extended; other than some needed attention to detail concerning the cleanliness of the cabin, and some unnecessary aggressive wording their safety briefing, it was an overall pleasant flight, and I would certainly fly with them again.

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