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$252+ Cheap flights from Seoul (SEL) to Heathrow (LHR)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — LHR
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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The best prices from Seoul to London Heathrow are usually found in May or June, booked 83 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Seoul to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) 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 enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(FlightHub)

One-way from

$252
(FlightHub)

Popular in

April

Cheapest in

May

Average price

$916

Good round-trip deal

$976 or less

Good one-way deal

$674 or less
Provider with most accurate pricing for Seoul (SEL)-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-London Heathrow flights.
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From Seoul (SEL) to London Heathrow
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One-way flight from Seoul (SEL) to London Heathrow
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Seoul (SEL) to London Heathrow.
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Price to beat on a one-way flight from Seoul (SEL) to London Heathrow.
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Find flight deals from Seoul to Heathrow

Cheapest flights from Seoul to Heathrow
Explore the most affordable flight options available from Seoul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This FlightHub deal was found by Cheapflights users on 1/30. 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.
vie. 2/142:25 pmGMP - LHR
1 stop36h 25mAir China
sáb. 3/18:25 pmLHR - GMP
1 stop31h 40mAir China
Deal found 1/30$559
This Air China deal was found by Cheapflights users on 1/30. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/131:10 pmICN - LHR
1 stop35h 45mAir China
jue. 2/205:40 pmLHR - ICN
1 stop35h 35mAir China
Deal found 1/30$570
This FlightHub deal was found by Cheapflights users on 1/29. 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.
jue. 2/206:25 pmICN - LHR
1 stop28h 30mChina Eastern
jue. 2/275:50 pmLHR - ICN
1 stop33h 25mChina Eastern
Deal found 1/29$572
This China Southern deal was found by Cheapflights users on 1/29. 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.
lun. 2/242:50 pmICN - LHR
1 stop36h 25mChina Southern
lun. 3/310:00 pmLHR - ICN
1 stop32h 15mChina Southern
Deal found 1/29$590
This SWISS deal was found by Cheapflights users on 1/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/1011:00 amICN - LHR
1 stop19h 40mSWISS
lun. 3/178:05 pmLHR - ICN
1 stop28h 20mSWISS
Deal found 1/30$591
This Expedia deal was found by Cheapflights users on 1/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/192:25 pmGMP - LHR
1 stop36h 25mMultiple Airlines
sáb. 2/229:30 pmLHR - GMP
1 stop29h 55mMultiple Airlines
Deal found 1/30$598
This Priceline deal was found by Cheapflights users on 1/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/194:15 pmICN - LHR
1 stop35h 00mMultiple Airlines
lun. 2/249:00 pmLHR - ICN
2 stops39h 30mMultiple Airlines
Deal found 1/30$603
This Lufthansa deal was found by Cheapflights users on 1/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:30 pmICN - LHR
1 stop16h 30mLufthansa
mié. 11/126:35 amLHR - ICN
1 stop19h 40mLufthansa
Deal found 1/30$609
This Shenzhen Airlines deal was found by Cheapflights users on 1/30. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/192:15 pmICN - LHR
2 stops61h 55mShenzhen Airlines
lun. 2/249:10 pmLHR - ICN
2 stops31h 05mShenzhen Airlines
Deal found 1/30$630
This Etihad Airways deal was found by Cheapflights users on 1/30. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/121:30 amICN - LHR
1 stop25h 15mEtihad Airways
dom. 5/259:55 pmLHR - ICN
2 stops53h 05mEtihad Airways
Deal found 1/30$680
This KLM deal was found by Cheapflights users on 1/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/148:30 amICN - LHR
2 stops20h 25mKLM
mié. 4/2311:45 amLHR - ICN
1 stop20h 40mKLM
Deal found 1/30$729
This Finnair deal was found by Cheapflights users on 1/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/611:00 pmICN - LHR
1 stop32h 40mFinnair
jue. 2/134:15 pmLHR - ICN
1 stop35h 05mFinnair
Deal found 1/30$746

Find flights from Seoul to Heathrow within your budget

Customize your flight search to find flights from Seoul 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 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

vie. 2/14

2:25 pm-5:50 pm

1 stop36h 25m

London Heathrow

sáb. 3/1

8:25 pm-1:05 pm

1 stop31h 40m

$559

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

jue. 2/13

1:10 pm-3:55 pm

1 stop35h 45m

London Heathrow

jue. 2/20

5:40 pm-2:15 pm

1 stop35h 35m

$570

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

jue. 2/20

6:25 pm-1:55 pm

1 stop28h 30m

London Heathrow

jue. 2/27

5:50 pm-12:15 pm

1 stop33h 25m

$572

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

lun. 2/24

2:50 pm-6:15 pm

1 stop36h 25m

London Heathrow

lun. 3/3

10:00 pm-3:15 pm

1 stop32h 15m

$590

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

lun. 3/10

11:00 am-9:40 pm

1 stop19h 40m

London Heathrow

lun. 3/17

8:05 pm-9:25 am

1 stop28h 20m

$591

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

mié. 2/19

2:25 pm-5:50 pm

1 stop36h 25m

London Heathrow

sáb. 2/22

9:30 pm-12:25 pm

1 stop29h 55m

$598

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 2/19

4:15 pm-6:15 pm

1 stop35h 00m

London Heathrow

lun. 2/24

9:00 pm-9:30 pm

2 stops39h 30m

$603

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

vie. 3/14

1:30 pm-9:00 pm

1 stop16h 30m

London Heathrow

lun. 3/17

4:40 pm-11:15 am

1 stop33h 35m

$616

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 2/19

2:15 pm-7:10 pm

2 stops61h 55m

London Heathrow

lun. 2/24

9:10 pm-1:15 pm

2 stops31h 05m

$630

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

lun. 5/12

1:30 am-6:45 pm

1 stop25h 15m

London Heathrow

dom. 5/25

9:55 pm-11:00 am

2 stops53h 05m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 50 results
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Compare providers for flights from Seoul 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 Seoul to Heathrow in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 Seoul-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 Seoul-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-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 Seoul-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 Seoul to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Seoul 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.

Travel insights for flights from Seoul to Heathrow

Get recent, data-driven insights about flights from Seoul to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seoul to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Heathrow. Price data was last updated on January 24, 2025.

The best time to book flights from Seoul to London Heathrow Airport is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Seoul to London Heathrow Airport (average of $661). Flying from Seoul to London Heathrow Airport in June is currently the most expensive (average of $1,138). 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 SEL to LHR?

Find hourly flight availability from Seoul 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 enero 30, 2025.

It’s typically best to fly out from Seoul to London Heathrow Airport in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Seoul to London Heathrow Airport

Explore weekly flight availability from Seoul to Heathrow. 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 enero 30, 2025.

The most flights from SEL to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 enero 30, 2025.
To help decide which airline to fly from Seoul to London, see what other customers have to say about Korean Air, EVA Air and ANA. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,236 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
844 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,445 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
462 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Heathrow. 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 Seoul to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Seoul to London Heathrow Airport round-trip from $559. Other airlines that can offer you cheap pricing are China Eastern, from $572, and China Southern, from $590. You may be able to fly from Seoul to London Heathrow Airport for 39% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Seoul to London Heathrow Airport are Air China ($252), China Eastern ($269), and Shenzhen Airlines ($292).

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

    Consider Virgin Atlantic (68%), Korean Air (51%) or Asiana Airlines (36%) when booking your flight. These represent the most reliable airlines when flying from Seoul to London Heathrow Airport.

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

    While on average a flight from Seoul to London Heathrow Airport is generally $1,118, our data shows the cheapest flight currently is $465. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay $506 for that flight.

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

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

  • How can I find direct flights from Seoul to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Seoul to Heathrow 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 Seoul to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Seoul to London Heathrow Airport (average of $661). Flying from Seoul to London Heathrow Airport in June is currently the most expensive (average of $1,138). 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 Seoul?

Book flights to Seoul if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Harrow
Luton
Wembley
Canterbury
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Gatwick
Horley
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Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Heathrow flights

Top 8 airlines flying from Seoul to Heathrow

Discover the top 8 airlines that operate flights from Seoul 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 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$476Average$717FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$515Average$573FlexibilityNo cancel feeOn-time69%
Etihad AirwaysCheapest$547Average$806FlexibilityNo cancel feeOn-time75%
Air ChinaCheapest$550Average$748FlexibilityNo cancel feeOn-time67%
FinnairCheapest$624Average$882FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$897Average$1,074FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$976Average$1,224FlexibilityNo cancel feeOn-time81%
KLMCheapest$1,630Average$1,695FlexibilityNo cancel feeOn-time75%
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