₩291,400 Cheap Flights from Seoul (ICN) to London (LHR)

View ₩291,400 flight on Wed, Jan 28, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Heathrow Airport (LHR)

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Cheap Flights from Seoul to London (ICN-LHR)

Prices were available within the past 7 days and start at ₩291,400 for one-way flights and ₩790,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Tue, Nov 18 - Mon, Nov 24
ICN
Seoul
LHR
London
₩790,300 Roundtrip, found 1 day ago
₩790,300
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Tue, Nov 18 from Seoul to London, returning Mon, Nov 24, priced at ₩790,300 found 1 day ago
Shenzhen Airlines
Fri, Dec 19 - Fri, Dec 26
ICN
Seoul
LHR
London
₩849,700 Roundtrip, found 1 day ago
₩849,700
Roundtrip
found 1 day ago
Select Shenzhen Airlines flight, departing Fri, Dec 19 from Seoul to London, returning Fri, Dec 26, priced at ₩849,700 found 1 day ago
Royal Brunei Airlines
Tue, Feb 3 - Sun, Feb 22
ICN
Seoul
LHR
London
₩928,700 Roundtrip, found 4 days ago
₩928,700
Roundtrip
found 4 days ago
Select Royal Brunei Airlines flight, departing Tue, Feb 3 from Seoul to London, returning Sun, Feb 22, priced at ₩928,700 found 4 days ago
LOT-Polish Airlines
Mon, Jan 19 - Sat, Jan 31
ICN
Seoul
LHR
London
₩936,600 Roundtrip, found 1 day ago
₩936,600
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Mon, Jan 19 from Seoul to London, returning Sat, Jan 31, priced at ₩936,600 found 1 day ago
Malaysia Airlines
Thu, Feb 26 - Sat, Mar 7
ICN
Seoul
LHR
London
₩962,600 Roundtrip, found 1 hour ago
₩962,600
Roundtrip
found 1 hour ago
Select Malaysia Airlines flight, departing Thu, Feb 26 from Seoul to London, returning Sat, Mar 7, priced at ₩962,600 found 1 hour ago
Scandinavian Airlines
Mon, Jan 26 - Thu, Feb 12
ICN
Seoul
LHR
London
₩1,028,800 Roundtrip, found 4 days ago
₩1,028,800
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Mon, Jan 26 from Seoul to London, returning Thu, Feb 12, priced at ₩1,028,800 found 4 days ago
Hainan Airlines
Sat, Feb 21 - Mon, Feb 23
ICN
Seoul
LHR
London
₩1,055,300 Roundtrip, found 2 days ago
₩1,055,300
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Sat, Feb 21 from Seoul to London, returning Mon, Feb 23, priced at ₩1,055,300 found 2 days ago
Turkish Airlines
Thu, Nov 27 - Wed, Dec 3
ICN
Seoul
LHR
London
₩1,096,200 Roundtrip, found 2 days ago
₩1,096,200
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Thu, Nov 27 from Seoul to London, returning Wed, Dec 3, priced at ₩1,096,200 found 2 days ago
Air Astana
Thu, Nov 20 - Fri, Nov 28
ICN
Seoul
LHR
London
₩1,142,000 Roundtrip, found 1 day ago
₩1,142,000
Roundtrip
found 1 day ago
Select Air Astana flight, departing Thu, Nov 20 from Seoul to London, returning Fri, Nov 28, priced at ₩1,142,000 found 1 day ago
Korean Air
Tue, Nov 25 - Tue, Dec 2
ICN
Seoul
LHR
London
₩1,142,200 Roundtrip, found 4 days ago
₩1,142,200
Roundtrip
found 4 days ago
Select Korean Air flight, departing Tue, Nov 25 from Seoul to London, returning Tue, Dec 2, priced at ₩1,142,200 found 4 days ago

Find the cheapest month to fly from Seoul (ICN) to London (LHR)

November is typically the cheapest month to fly

From ₩675,548 - ₩1,027,491 per traveler.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city center is 52 minutes. Flights from ₩770,500
LGW
Gatwick
Cheapest
Average driving time to city center52 min
Flights from ₩770,500
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from ₩1,913,600
LCY
London City
Closest
Average driving time to city center21 min
Flights from ₩1,913,600
Flights from Seoul (ICN) to London (LHR)
Origin airport
Incheon Intl.
Destination airport
Heathrow
Airlines serving
Air France, Air India, Asiana Airlines, Austrian Airlines, British Airways, Cathay Pacific, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United, Vietnam Airlines
Roundtrip price
₩790,300
Distance
8809 km
Average flight time
6 hours 27 mins

Incheon to London Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Incheon to London will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring London.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ICN to LHR flights that won’t make your bank account wince. Ready to temporarily leave behind Incheon for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LHR with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Incheon Intl. Airport (ICN) to London Heathrow?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Incheon Airport and London Heathrow start from ₩790,300. Make your booking today to get the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul–Incheon Intl. Airport to Heathrow Airport (LHR)?
When it comes to cancellation fees, every airline has its own set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Heathrow Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seoul–Incheon Intl. Airport to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to Heathrow Airport?
With around 8,900 kilometers separating South Korea and Hounslow, your flight will be a long one. Pack wisely and make your time on board more comfortable. Simple things like an extra pair of socks and a quality travel pillow can make a massive difference.
Which airlines fly direct from Incheon Intl. Airport (ICN) to LHR?
Korean Air (KE) is one of the top choices for many travelers flying between Incheon Intl. Airport (ICN) and Heathrow Airport. Take your pick of the 30 flights it operates on this route each month. Another carrier operating on this route is Asiana Airlines (OZ). You'll have 30 flights each month to select from.
Are Incheon Intl. Airport (ICN) to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Incheon Airport to London Heathrow are available up to 12 months prior to departure on Expedia. And although you may occasionally score a fantastic last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

London nearby Airports

London

Seoul to Gatwick
₩721,900
Seoul to London City
₩1,126,900
Seoul to Stansted
₩1,221,500
Seoul nearby Airports

Seoul

Gimpo Intl. to London
₩698,600
*Available to Expedia members.