₩314,500 Cheap Flights from Seoul (ICN) to London (LHR)

View ₩314,500 flight on Tue, Jun 10, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seoul to London (ICN-LHR)

Prices were available within the past 7 days and start at ₩314,500 for one-way flights and ₩772,645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Sat, Jun 7 - Tue, Jun 10
ICN
Seoul
LHR
London
₩772,645 Roundtrip, just found
₩772,645
Roundtrip
just found
Select China Eastern Airlines flight, departing Sat, Jun 7 from Seoul to London, returning Tue, Jun 10, priced at ₩772,645 just found
Air China
Thu, May 15 - Tue, Jun 10
ICN
Seoul
LHR
London
₩843,600 Roundtrip, found 4 days ago
₩843,600
Roundtrip
found 4 days ago
Select Air China flight, departing Thu, May 15 from Seoul to London, returning Tue, Jun 10, priced at ₩843,600 found 4 days ago
China Southern Airlines
Tue, Jun 17 - Tue, Sep 9
ICN
Seoul
LHR
London
₩858,900 Roundtrip, found 4 days ago
₩858,900
Roundtrip
found 4 days ago
Select China Southern Airlines flight, departing Tue, Jun 17 from Seoul to London, returning Tue, Sep 9, priced at ₩858,900 found 4 days ago
Royal Brunei Airlines
Tue, Dec 2 - Sun, Dec 7
ICN
Seoul
LHR
London
₩927,700 Roundtrip, found 7 hours ago
₩927,700
Roundtrip
found 7 hours ago
Select Royal Brunei Airlines flight, departing Tue, Dec 2 from Seoul to London, returning Sun, Dec 7, priced at ₩927,700 found 7 hours ago
Malaysia Airlines
Sun, May 25 - Fri, May 30
ICN
Seoul
LHR
London
₩950,200 Roundtrip, just found
₩950,200
Roundtrip
just found
Select Malaysia Airlines flight, departing Sun, May 25 from Seoul to London, returning Fri, May 30, priced at ₩950,200 just found
Etihad Airways
Tue, Jul 1 - Tue, Jul 8
ICN
Seoul
LHR
London
₩986,700 Roundtrip, just found
₩986,700
Roundtrip
just found
Select Etihad Airways flight, departing Tue, Jul 1 from Seoul to London, returning Tue, Jul 8, priced at ₩986,700 just found
Vietnam Airlines
Sun, Jun 15 - Wed, Jun 18
ICN
Seoul
LHR
London
₩1,054,213 Roundtrip, just found
₩1,054,213
Roundtrip
just found
Select Vietnam Airlines flight, departing Sun, Jun 15 from Seoul to London, returning Wed, Jun 18, priced at ₩1,054,213 just found
LOT-Polish Airlines
Tue, Dec 2 - Tue, Dec 9
ICN
Seoul
LHR
London
₩1,093,500 Roundtrip, found 5 hours ago
₩1,093,500
Roundtrip
found 5 hours ago
Select LOT-Polish Airlines flight, departing Tue, Dec 2 from Seoul to London, returning Tue, Dec 9, priced at ₩1,093,500 found 5 hours ago
Swiss International Air Lines
Sat, May 24 - Thu, May 29
ICN
Seoul
LHR
London
₩1,103,000 Roundtrip, just found
₩1,103,000
Roundtrip
just found
Select Swiss International Air Lines flight, departing Sat, May 24 from Seoul to London, returning Thu, May 29, priced at ₩1,103,000 just found
Finnair
Mon, Nov 3 - Thu, Nov 13
ICN
Seoul
LHR
London
₩1,110,000 Roundtrip, found 2 hours ago
₩1,110,000
Roundtrip
found 2 hours ago
Select Finnair flight, departing Mon, Nov 3 from Seoul to London, returning Thu, Nov 13, priced at ₩1,110,000 found 2 hours ago

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 ₩772,645. 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.
*Available to Expedia members.