$229+ Cheap flights from Incheon Intl (ICN) to Heathrow (LHR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
Oct 15 — Oct 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Incheon Intl to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in November or March, booked 61 days in advance, depart on a Friday or Tuesday and return on a Friday
Cheap flight deals from Incheon Intl to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Incheon Intl to HeathrowExplore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:40 am -
1 stop22h 20m
Mon 11/2310:35 am -
1 stop35h 25m
Deal found 9/11![LOT logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:40 am -
1 stop22h 20m
Sat 11/286:30 am -
1 stop15h 30m
Deal found 9/15![LOT logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:40 am -
1 stop22h 20m
Sun 11/296:20 pm -
1 stop31h 10m
Deal found 9/11![LOT logo]()
$596
This Super.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:55 pm -
1 stop37h 35m
Wed 11/189:00 pm -
1 stop33h 05m
Deal found 9/14![China Eastern logo]()
$616
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:10 pm -
1 stop34h 20m
Mon 11/169:00 pm -
1 stop33h 05m
Deal found 9/15![China Eastern logo]()
$621
This Booking.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 pm -
1 stop32h 05m
Tue 11/39:00 pm -
1 stop14h 45m
Deal found 9/12![China Eastern logo]()
$636
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:55 am -
1 stop17h 35m
Fri 11/279:00 pm -
1 stop14h 45m
Deal found 9/15![China Eastern logo]()
$645
This Air China deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:55 pm -
1 stop37h 25m
Thu 11/269:30 pm -
1 stop30h 25m
Deal found 9/15![Air China logo]()
$646
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:55 am -
1 stop17h 35m
Tue 12/89:00 pm -
1 stop35h 25m
Deal found 9/15![China Eastern logo]()
$647
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:40 am -
1 stop17h 40m
Sun 10/189:00 pm -
1 stop17h 10m
Deal found 9/11![China Southern logo]()
$659
This Shenzhen Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:55 pm -
1 stop38h 35m
Sat 11/149:10 pm -
1 stop33h 50m
Deal found 9/15![Shenzhen Airlines logo]()
$667
Best flights from Incheon Intl to HeathrowDiscover carefully curated flight deals from Incheon Intl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Incheon Intl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:45 pm -
1 stop18h 35m
Wed 11/1810:35 am -
2 stops23h 25m
Deal found 9/12![Scandinavian Airlines logo]()
$692
This Lufthansa deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2412:55 pm -
1 stop16h 55m
Thu 12/316:35 am -
1 stop19h 40m
Deal found 9/10![Lufthansa logo]()
$764
This Korean Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:40 am -
Nonstop14h 50m
Thu 12/106:50 pm -
Nonstop12h 35m
Deal found 9/13![Korean Air logo]()
$1,083
This Oman Air deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:00 am -
2 stops40h 10m
Tue 10/68:50 pm -
2 stops26h 20m
Deal found 9/11![Oman Air logo]()
$1,129
This Asiana Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:50 am -
Nonstop14h 30m
Sun 10/184:35 pm -
Nonstop12h 45m
Deal found 9/14![Asiana Airlines logo]()
$1,215
This Scandinavian Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:45 pm -
1 stop30h 55m
Thu 12/1010:35 am -
2 stops23h 25m
Deal found 9/13![Scandinavian Airlines logo]()
$696
This Lufthansa deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/151:30 pm -
1 stop18h 25m
Wed 2/246:35 am -
2 stops19h 25m
Deal found 9/10![Lufthansa logo]()
$772
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:45 pm -
1 stop26h 55m
Tue 12/89:05 pm -
2 stops36h 55m
Deal found 9/11![Scandinavian Airlines logo]()
$702
This Scandinavian Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:45 pm -
2 stops42h 10m
Wed 11/1110:35 am -
2 stops23h 25m
Deal found 9/10![Scandinavian Airlines logo]()
$703
This Lufthansa deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2612:55 pm -
1 stop18h 25m
Fri 1/16:35 am -
2 stops19h 25m
Deal found 9/15![Lufthansa logo]()
$880
This Lufthansa deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1112:55 pm -
2 stops28h 10m
Fri 3/197:30 am -
1 stop18h 30m
Deal found 9/14![Lufthansa logo]()
$970
Last-minute flights from Incheon Intl to HeathrowDiscover last-minute flight deals from Incheon Intl to Heathrow. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to Heathrow. Data last updated September 15, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:25 am -
1 stop16h 40m
Mon 10/269:30 pm -
1 stop15h 40m
Deal found 9/14![China Southern logo]()
$682
This Finnair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:50 pm -
1 stop30h 50m
Tue 10/277:30 am -
1 stop19h 55m
Deal found 9/15![Finnair logo]()
$686
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:40 am -
1 stop17h 40m
Sun 10/189:00 pm -
1 stop17h 10m
Deal found 9/11![China Southern logo]()
$659
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:20 pm -
1 stop34h 20m
Sun 10/189:00 pm -
1 stop17h 10m
Deal found 9/14![Multiple Airlines logo]()
$673
This Super.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:45 pm -
1 stop34h 35m
Sun 10/189:00 pm -
1 stop17h 10m
Deal found 9/13![China Southern logo]()
$677
This Shenzhen Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:45 pm -
1 stop34h 05m
Tue 10/2010:00 pm -
1 stop34h 45m
Deal found 9/15![Shenzhen Airlines logo]()
$667
This Shenzhen Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:15 pm -
1 stop36h 35m
Fri 10/309:10 pm -
1 stop33h 50m
Deal found 9/12![Shenzhen Airlines logo]()
$670
This Booking.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 pm -
1 stop32h 05m
Tue 11/39:00 pm -
1 stop14h 45m
Deal found 9/12![China Eastern logo]()
$636
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:45 pm -
1 stop30h 55m
Tue 11/310:35 am -
2 stops23h 25m
Deal found 9/12![Scandinavian Airlines logo]()
$692
This Scandinavian Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:45 pm -
1 stop27h 45m
Wed 11/410:35 am -
2 stops23h 25m
Deal found 9/13![Scandinavian Airlines logo]()
$693
One-way flights from Incheon Intl to HeathrowSearch for one-way flight options from Incheon Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Incheon Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:20 pm -
1 stop34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![China Eastern logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:25 am -
1 stop16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![China Southern logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:25 am -
1 stop16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![China Southern logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:20 pm -
1 stop34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![China Eastern logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:10 pm -
1 stop35h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air China logo]()
$240
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:25 am -
1 stop16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![China Southern logo]()
$241
This China Southern deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:25 am -
1 stop16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![China Southern logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:10 pm -
1 stop35h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air China logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:10 pm -
1 stop34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![China Eastern logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:55 am -
1 stop17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![China Eastern logo]()
$275
Find flight deals from Incheon Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $565 (Booking.com) |
One-way from | $229 (Kiwi.com) |
Popular in | October |
Cheapest in | November |
Average price | $982 |
Good round-trip deal | $954 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 12/6
12:55 pm-8:05 am
2 stops28h 10m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$488
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Tue 12/8
12:55 pm-8:05 am
2 stops28h 10m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$488
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Thu 9/24
11:00 am-7:10 pm
2 stops40h 10m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$562
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Wed 11/11
12:55 pm-7:25 am
2 stops27h 30m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$569
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 11/1
11:40 am-7:05 pm
2 stops40h 25m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$609
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sat 10/17
12:00 pm-7:20 pm
2 stops39h 20m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$622
Quickest round-trip
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Thu 10/29
1:25 pm-6:55 pm
Nonstop14h 30m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$629
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Fri 12/25
12:20 am-3:40 pm
2 stops24h 20m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$629
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Mon 3/8
10:40 am-4:30 pm
Nonstop14h 50m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$655
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Wed 3/10
10:40 am-4:30 pm
Nonstop14h 50m
London Heathrow
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$655
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Incheon Intl to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Heathrow in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Incheon Intl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Incheon Intl with our price prediction graph.
ICN-LHR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Incheon Intl Airport to London Heathrow Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to London Heathrow Airport?
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Incheon Intl Airport to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of $678). Flying from Incheon Intl Airport to London Heathrow Airport in October is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ICN to LHR?
Find hourly flight availability from Incheon Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
When flying from Incheon Intl Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Incheon to London delayed?
About 25% of weekly flights between Incheon and London have experienced delays in the past year, with the average delay time being 126 minutes.
What is the most punctual flight time for Incheon to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to London flights?
Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 12% of flights being delayed.
The best insider tips for Incheon Intl Airport to London Heathrow Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to London Heathrow Airport trip
Our travel experts
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated September 15, 2026.
Read reviews from past customers who have flown Asiana Airlines and Lufthansa from Incheon Intl Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.3
Overall
8.1
Crew
8.4
Entertainment
7.6
Food
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
JFK - ICN
Boarding
8.3
Overall
8.1
Crew
8.4
Entertainment
7.6
Food
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
JFK - ICN
Boarding
8.3
Overall
8.1
Crew
8.4
Entertainment
7.6
Food
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
JFK - ICN
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Heathrow flight routes
Other flight options
Other flights from Incheon Intl
Popular flights
Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Incheon Intl to Heathrow by cabin class
Find flights from Incheon Intl to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Incheon Intl and Heathrow flights
Browse other Incheon Intl and Heathrow flight options. Last updated on September 15, 2026.
Other flights from Incheon Intl
Browse through other flights departing from Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Incheon Intl to Heathrow
Discover the top 2 airlines that operate flights from Incheon Intl to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$545 | Average$769 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$715 | Average$768 | FlexibilityNo cancel fee | On-time76% |