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Incheon Intl

$423+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 61 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap 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 April 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$556
(Mytrip)

One-way from

$423
(SmartFares)

Popular in

July

Cheapest in

November

Average price

$1,043

Good round-trip deal

$1,166 or less

Good one-way deal

$772 or less
Provider with most accurate pricing for London Heathrow-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Incheon Intl flights.
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From London Heathrow to Incheon Intl
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One-way flight from London Heathrow to Incheon Intl
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Highest demand for flights based on searches. 14% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
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Price to beat on a one-way flight from London Heathrow to Incheon Intl.
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Find flight deals from Heathrow to Incheon Intl

Cheapest flights from Heathrow to Incheon Intl
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 April 16, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:00 pmLHR - ICN
1 stop17h 10mChina Southern
Thu 5/154:45 pmICN - LHR
1 stop34h 15mChina Southern
Deal found 4/16$556
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3110:00 pmLHR - ICN
1 stop30h 55mAir China
Sat 6/710:50 amICN - LHR
1 stop17h 40mAir China
Deal found 4/16$571
This Lufthansa deal was found by Cheapflights users on 4/16. 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 11/118:30 amLHR - ICN
1 stop17h 20mLufthansa
Wed 12/31:30 pmICN - LHR
1 stop16h 30mLufthansa
Deal found 4/16$574
This Shenzhen Airlines deal was found by Cheapflights users on 4/16. 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 5/3010:05 pmLHR - ICN
1 stop31h 35mShenzhen Airlines
Sat 6/144:45 pmICN - LHR
1 stop35h 15mShenzhen Airlines
Deal found 4/16$610
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:20 pmLHR - ICN
1 stop15h 25mMultiple Airlines
Thu 5/158:15 pmICN - LHR
2 stops30h 25mMultiple Airlines
Deal found 4/16$642
This oojo deal was found by Cheapflights users on 4/16. 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.
Fri 5/29:20 pmLHR - ICN
2 stops33h 30mChina Eastern
Sun 5/114:35 pmICN - LHR
2 stops34h 05mChina Eastern
Deal found 4/16$655
This SWISS deal was found by Cheapflights users on 4/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/28:05 pmLHR - ICN
1 stop28h 20mSWISS
Wed 6/1110:05 amICN - LHR
2 stops19h 25mSWISS
Deal found 4/16$729
This Scandinavian Airlines deal was found by Cheapflights users on 4/16. 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.
Mon 12/17:50 pmLHR - ICN
2 stops38h 10mScandinavian Airlines
Fri 12/1211:45 pmICN - LHR
2 stops23h 50mScandinavian Airlines
Deal found 4/16$755
This Finnair deal was found by Cheapflights users on 4/16. 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.
Fri 8/227:30 amLHR - ICN
1 stop19h 50mFinnair
Sun 9/79:50 pmICN - LHR
1 stop32h 20mFinnair
Deal found 4/16$808
This Austrian Airlines deal was found by Cheapflights users on 4/16. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:25 pmLHR - ICN
2 stops27h 05mAustrian Airlines
Tue 12/96:30 pmICN - LHR
2 stops46h 50mAustrian Airlines
Deal found 4/16$832
This Turkish Airlines deal was found by Cheapflights users on 4/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:35 pmLHR - ICN
1 stop34h 45mTurkish Airlines
Thu 12/1112:10 amICN - LHR
1 stop23h 35mTurkish Airlines
Deal found 4/16$849
This oojo deal was found by Cheapflights users on 4/16. 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 6/19:30 amLHR - ICN
1 stop17h 15mEtihad Airways
Sun 6/291:35 amICN - LHR
1 stop37h 25mEtihad Airways
Deal found 4/16$916

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 April 16, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 5/1

9:00 pm-10:10 pm

1 stop17h 10m

Incheon Intl

Thu 5/15

4:45 pm-7:00 pm

1 stop34h 15m

$556

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 5/31

10:00 pm-12:55 pm

1 stop30h 55m

Incheon Intl

Sat 6/7

10:50 am-8:30 pm

1 stop17h 40m

$571

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 6/15

10:05 pm-1:40 pm

1 stop31h 35m

Incheon Intl

Sun 6/29

4:40 pm-7:50 pm

1 stop35h 10m

$584

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 6/1

9:00 am-9:55 am

1 stop16h 55m

Incheon Intl

Wed 6/18

11:40 am-10:40 pm

1 stop19h 00m

$632

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 5/1

9:20 pm-8:45 pm

1 stop15h 25m

Incheon Intl

Thu 5/15

8:15 pm-6:40 pm

2 stops30h 25m

$642

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 5/2

9:20 pm-2:50 pm

2 stops33h 30m

Incheon Intl

Sun 5/11

4:35 pm-6:40 pm

2 stops34h 05m

$655

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 6/2

8:05 pm-8:25 am

1 stop28h 20m

Incheon Intl

Wed 6/11

10:05 am-9:30 pm

2 stops19h 25m

$729

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 8/22

7:30 am-11:20 am

1 stop19h 50m

Incheon Intl

Sun 9/7

9:50 pm-10:10 pm

1 stop32h 20m

$808

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 4/29

6:30 pm-5:40 pm

1 stop15h 10m

Incheon Intl

Fri 5/16

10:20 am-10:25 pm

1 stop20h 05m

$896

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 6/1

9:30 am-10:45 am

1 stop17h 15m

Incheon Intl

Sun 6/29

1:35 am-7:00 am

1 stop37h 25m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 31 results
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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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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

What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $1,001). Flying from London Heathrow Airport to Incheon Intl Airport in June is currently the most expensive (average of $1,650). 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 April 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from London Heathrow Airport to Incheon Intl Airport by exploring options for tickets in the morning.

Weekly flight availability from London Heathrow Airport to Incheon Intl Airport

Explore weekly flight availability from Heathrow to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 16, 2025.

The most flights from LHR to ICN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 April 16, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines and Hainan Airlines from London to Seoul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,064 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,064 reviews
Korean Air
8.4
Very good
1,064 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
438 reviews
Korean Air
8.4
Very good
1,064 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Hainan Airlines
8.1
Very good
37 reviews
Korean Air
8.4
Very good
1,064 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Garuda Indonesia
8.1
Very good
71 reviews
Korean Air
8.4
Very good
1,064 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
LOT
7.6
Good
1,065 reviews
Korean Air
8.4
Very good
1,064 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.

  • What are the cheapest airlines flying from London Heathrow Airport to Incheon Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to Incheon Intl Airport is China Southern. Our recent data shows that you can find tickets from as low as $556 on this airline. Additional options worth looking into are Air China and Shenzhen Airlines, starting at $571 and $584 round-trip. Users have found that China Southern is 39% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Incheon Intl Airport one-way?

    The cheapest airline one-way is Shenzhen Airlines, with whom users have recently found tickets for as low as $423. However, be on the lookout for offers from Hainan Airlines and Air India, as they are both options that can get you from London Heathrow Airport to Incheon Intl Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Incheon Intl Airport?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Incheon Intl Airport consider choosing Virgin Atlantic (78%), Asiana Airlines (52%) or Korean Air (39%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Incheon Intl Airport?

    While on average a flight from London Heathrow Airport to Incheon Intl Airport is generally $985, our data shows the cheapest flight currently is $744. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay $541 for that flight.

  • Can I find deals for flights from Heathrow to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Incheon Intl.

  • Can I find deals for business class flights from Heathrow to Incheon Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $1,001). Flying from London Heathrow Airport to Incheon Intl Airport in June is currently the most expensive (average of $1,650). 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
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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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$507Average$738FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$726Average$971FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$990Average$1,047FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,003Average$1,155FlexibilityNo cancel feeOn-time81%

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