$380+ Cheap flights from Heathrow (LHR) to Incheon Intl (ICN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Incheon Intl 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 London Heathrow to Incheon Intl are usually found in January or May, booked 86 days in advance, depart on a Wednesday or Thursday and return on a Friday
Cheap flight deals from Heathrow to Incheon Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to Incheon IntlExplore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:10 pm -
1 stop31h 45m
Sat 10/39:40 am -
1 stop17h 40m
Deal found 8/4![China Southern logo]()
$814
This Lufthansa deal was found by Cheapflights users on 8/3. 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.
Tue 12/297:40 am -
1 stop18h 35m
Tue 1/1212:55 pm -
2 stops28h 10m
Deal found 8/3![Lufthansa logo]()
$815
This Etihad Airways deal was found by Cheapflights users on 8/4. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:45 pm -
1 stop36h 10m
Wed 10/2811:45 pm -
1 stop27h 25m
Deal found 8/4![Etihad Airways logo]()
$820
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:00 am -
2 stops20h 30m
Fri 11/138:00 pm -
2 stops21h 20m
Deal found 8/4![Multiple Airlines logo]()
$821
This Air China deal was found by Cheapflights users on 8/1. 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.
Mon 8/2410:40 pm -
1 stop15h 20m
Mon 9/71:05 pm -
1 stop15h 20m
Deal found 8/1![Air China logo]()
$822
This FlightHub deal was found by Cheapflights users on 7/31. 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 9/1910:10 pm -
1 stop31h 45m
Sat 10/34:45 pm -
1 stop34h 35m
Deal found 7/31![China Southern logo]()
$823
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:05 pm -
1 stop34h 40m
Thu 9/243:15 pm -
1 stop36h 45m
Deal found 8/1![Shenzhen Airlines logo]()
$824
This FlightHub deal was found by Cheapflights users on 8/1. 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 9/1210:40 pm -
1 stop33h 55m
Fri 9/2510:50 am -
1 stop17h 35m
Deal found 8/1![Air China logo]()
$826
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:20 am -
1 stop23h 40m
Tue 11/1711:45 pm -
2 stops26h 15m
Deal found 8/1![Scandinavian Airlines logo]()
$827
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:50 pm -
1 stop32h 25m
Mon 11/1610:50 am -
2 stops40h 00m
Deal found 8/4![Multiple Airlines logo]()
$830
This Booking.com deal was found by Cheapflights users on 8/2. 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.
Fri 10/27:35 pm -
2 stops32h 10m
Sat 10/171:05 pm -
1 stop15h 20m
Deal found 8/2![Air China logo]()
$831
Best flights from Heathrow to Incheon IntlDiscover carefully curated flight deals from Heathrow to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Heathrow to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Finnair deal was found by Cheapflights users on 7/31. 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.
Mon 12/74:15 pm -
1 stop35h 10m
Wed 1/611:00 pm -
1 stop19h 10m
Deal found 7/31![Finnair logo]()
$1,012
This Oman Air deal was found by Cheapflights users on 7/31. 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.
Mon 12/78:25 am -
2 stops37h 05m
Wed 1/611:05 am -
2 stops27h 50m
Deal found 7/31![Oman Air logo]()
$1,025
This Scandinavian Airlines deal was found by Cheapflights users on 8/3. 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.
Sun 12/139:05 pm -
2 stops36h 55m
Fri 1/111:45 pm -
2 stops42h 10m
Deal found 8/3![Scandinavian Airlines logo]()
$1,036
This Virgin Atlantic deal was found by Cheapflights users on 8/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:25 pm -
Nonstop12h 40m
Thu 10/1512:25 pm -
Nonstop14h 25m
Deal found 8/2![Virgin Atlantic logo]()
$1,106
This Asiana Airlines deal was found by Cheapflights users on 8/3. 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.
Mon 10/264:35 pm -
Nonstop12h 35m
Tue 11/108:40 am -
Nonstop14h 40m
Deal found 8/3![Asiana Airlines logo]()
$1,128
This Air Astana deal was found by Cheapflights users on 8/3. 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 Astana is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 pm -
2 stops28h 25m
Sat 10/3111:40 am -
1 stop37h 30m
Deal found 8/3![Air Astana logo]()
$1,175
This Oman Air deal was found by Cheapflights users on 7/31. 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 12/138:25 am -
2 stops37h 05m
Sun 12/2711:05 am -
2 stops40h 20m
Deal found 7/31![Oman Air logo]()
$1,025
This Asiana Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/284:35 pm -
Nonstop12h 45m
Sun 9/137:50 am -
Nonstop14h 30m
Deal found 7/30![Asiana Airlines logo]()
$1,141
This Asiana Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 11/94:35 pm -
Nonstop12h 35m
Tue 11/178:40 am -
Nonstop14h 40m
Deal found 7/30![Asiana Airlines logo]()
$1,141
This Oman Air deal was found by Cheapflights users on 7/30. 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.
Fri 8/288:50 pm -
2 stops25h 45m
Sun 9/1311:00 am -
2 stops40h 10m
Deal found 7/30![Oman Air logo]()
$1,150
This Oman Air deal was found by Cheapflights users on 8/4. 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.
Tue 8/188:50 pm -
2 stops50h 20m
Tue 9/111:00 am -
2 stops40h 10m
Deal found 8/4![Oman Air logo]()
$1,160
Last-minute flights from Heathrow to Incheon IntlDiscover last-minute flight deals from Heathrow to Incheon Intl. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Incheon Intl. Data last updated August 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/4. 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.
Mon 8/1710:00 pm -
2 stops38h 25m
Mon 8/319:25 am -
1 stop16h 40m
Deal found 8/4![Multiple Airlines logo]()
$835
This Air China deal was found by Cheapflights users on 8/1. 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.
Mon 8/2410:40 pm -
1 stop15h 20m
Mon 9/71:05 pm -
1 stop15h 20m
Deal found 8/1![Air China logo]()
$822
This CheapOair deal was found by Cheapflights users on 8/2. 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.
Fri 9/49:00 pm -
1 stop17h 10m
Sat 9/1212:10 am -
2 stops27h 00m
Deal found 8/2![Multiple Airlines logo]()
$832
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:00 pm -
1 stop17h 10m
Sun 9/209:40 am -
1 stop17h 40m
Deal found 8/3![China Southern logo]()
$838
This FlightHub deal was found by Cheapflights users on 8/1. 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 9/1210:40 pm -
1 stop33h 55m
Fri 9/2510:50 am -
1 stop17h 35m
Deal found 8/1![Air China logo]()
$826
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:05 pm -
1 stop34h 40m
Thu 9/243:15 pm -
1 stop36h 45m
Deal found 8/1![Shenzhen Airlines logo]()
$824
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:10 pm -
1 stop31h 45m
Sat 10/39:40 am -
1 stop17h 40m
Deal found 8/4![China Southern logo]()
$814
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Fri 9/1812:35 pm -
1 stop15h 55m
Sat 10/31:30 pm -
1 stop25h 05m
Deal found 8/1![XiamenAir logo]()
$839
This FlightHub deal was found by Cheapflights users on 7/31. 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 9/1910:10 pm -
1 stop31h 45m
Sat 10/34:45 pm -
1 stop34h 35m
Deal found 7/31![China Southern logo]()
$823
One-way flights from Heathrow to Incheon IntlSearch for one-way flight options from Heathrow to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Heathrow to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/510:10 pm -
1 stop31h 45m
Deal found 8/3![China Southern logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/69:00 pm -
1 stop17h 10m
Deal found 8/1![China Southern logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/309:00 pm -
1 stop17h 10m
Deal found 8/2![China Southern logo]()
$382
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:00 pm -
1 stop17h 10m
Deal found 7/31![China Southern logo]()
$385
This FlightHub deal was found by Cheapflights users on 7/30. 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 8/197:15 pm -
1 stop34h 00m
Deal found 7/30![China Southern logo]()
$386
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Sun 9/209:00 pm -
1 stop17h 10m
Deal found 7/31![China Southern logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/2910:15 pm -
2 stops33h 45m
Deal found 8/4![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/3110:40 pm -
1 stop15h 20m
Deal found 8/3![Air China logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/199:05 pm -
2 stops40h 55m
Deal found 8/2![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/76:40 am -
2 stops30h 05m
Deal found 8/4![Multiple Airlines logo]()
$420
Find flight deals from Heathrow to Incheon Intl
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Incheon Intl (ICN). 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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $810 (Air France) |
One-way from | $380 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $1,078 |
Good round-trip deal | $1,091 or less |
Good one-way deal | $804 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Heathrow to Incheon Intl 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 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Mon 12/7
4:15 pm-12:25 pm
1 stop35h 10m
Incheon Intl
Wed 1/6
11:00 pm-9:10 am
1 stop19h 10m
$1,012
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Mon 12/7
8:25 am-6:30 am
2 stops37h 05m
Incheon Intl
Wed 1/6
11:05 am-5:55 am
2 stops27h 50m
$1,025
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Sun 12/13
8:25 am-6:30 am
2 stops37h 05m
Incheon Intl
Sun 12/27
11:05 am-6:25 pm
2 stops40h 20m
$1,025
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Sun 12/13
9:05 pm-7:00 pm
2 stops36h 55m
Incheon Intl
Fri 1/1
11:45 pm-8:55 am
2 stops42h 10m
$1,036
Quickest round-trip
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Thu 10/1
1:25 pm-10:05 am
Nonstop12h 40m
Incheon Intl
Thu 10/15
12:25 pm-6:50 pm
Nonstop14h 25m
$1,106
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Mon 10/26
4:35 pm-2:10 pm
Nonstop12h 35m
Incheon Intl
Tue 11/10
8:40 am-2:20 pm
Nonstop14h 40m
$1,128
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Fri 8/28
4:35 pm-1:20 pm
Nonstop12h 45m
Incheon Intl
Sun 9/13
7:50 am-2:20 pm
Nonstop14h 30m
$1,141
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Mon 11/9
4:35 pm-2:10 pm
Nonstop12h 35m
Incheon Intl
Tue 11/17
8:40 am-2:20 pm
Nonstop14h 40m
$1,141
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Fri 8/28
8:50 pm-6:35 am
2 stops25h 45m
Incheon Intl
Sun 9/13
11:00 am-7:10 pm
2 stops40h 10m
$1,150
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Tue 8/18
8:50 pm-7:10 am
2 stops50h 20m
Incheon Intl
Tue 9/1
11:00 am-7:10 pm
2 stops40h 10m
$1,160
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Incheon Intl
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 Heathrow to Incheon Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Incheon Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Incheon Intl 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 London Heathrow Airport-Incheon Intl 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 Heathrow to Incheon Intl
Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.
LHR-ICN
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 London Heathrow Airport to Incheon Intl Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Incheon Intl Airport?
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Incheon Intl 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 London Heathrow Airport to Incheon Intl Airport?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $622). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of $1,160). 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 LHR to ICN?
Find hourly flight availability from Heathrow to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.
When flying from London Heathrow Airport to Incheon Intl 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 London to Incheon delayed?
About 10% of weekly flights between London and Incheon have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for London to Incheon flights?
Historically, flights departing in the early afternoon 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?
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Incheon flights?
Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 7% of flights being delayed.
What’s the top layover airport for flights from London Heathrow Airport to Incheon Intl Airport?
Share of 1-stop round-trip flights from London Heathrow Airport to Incheon Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Munich (MUC) – chosen by Cheapflights users on 50% of 1-stop itineraries from London Heathrow Airport to Incheon Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Incheon Intl Airport?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Incheon Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Helsinki (HEL) is the most affordable 1-stop option, with an average round-trip price of $794.
What’s the fastest layover option from London Heathrow Airport to Incheon Intl Airport?
Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Incheon Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Munich (MUC) have the shortest average one-way travel time for 1-stop routes: 15h 05m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Incheon Intl Airport?
Average layover duration for 1-stop one-way flights from London Heathrow Airport to Incheon Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Munich (MUC) offer the fastest connection on this route, with an average layover time of 1h 35m.
The best insider tips for London Heathrow Airport to Incheon Intl 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 London Heathrow Airport to Incheon Intl Airport trip
Our travel experts
Reviews of airlines servicing Incheon Intl
Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated August 4, 2026.
Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andVirgin Atlantic from London Heathrow Airport to Incheon Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.2
Overall
8.4
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Incheon Intl. 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 Incheon Intl Airport?
Book flights to Incheon Intl Airport if you plan to visit one of these locationsSeongnam
Suwon
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Top 4 airlines flying from Heathrow to Incheon Intl
Discover the top 4 airlines that operate flights from Heathrow to Incheon Intl. 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 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$871 | Average$1,333 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$884 | Average$1,231 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$898 | Average$1,128 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$906 | Average$1,148 | FlexibilityNo cancel fee | On-time72% |