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$435+ Cheap flights from Heathrow (LHR) to Seoul (SEL)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Seoul are usually found in November or February, booked 77 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Heathrow to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Seoul (SEL). 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 July 31, 2025.

Round-trip from

$749
(Lufthansa)

One-way from

$435
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,144

Good round-trip deal

$1,143 or less

Good one-way deal

$1,613 or less
From London Heathrow to Seoul (SEL)
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One-way flight from London Heathrow to Seoul (SEL)
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Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London Heathrow to Seoul (SEL).
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Price to beat on a one-way flight from London Heathrow to Seoul (SEL).
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Find flight deals from Heathrow to Seoul

Cheapest flights from Heathrow to Seoul
Explore the most affordable flight options available from Heathrow to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:30 amLHR - ICN
1 stop14h 20mLufthansa
Sun 1/111:30 pmICN - LHR
1 stop16h 30mLufthansa
Deal found 7/31$749
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:40 pmLHR - GMP
1 stop30h 25mAir China
Sat 9/132:25 pmGMP - LHR
1 stop14h 05mAir China
Deal found 7/30$750
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:00 pmLHR - ICN
1 stop17h 10mChina Southern
Wed 9/243:15 pmICN - LHR
1 stop35h 45mChina Southern
Deal found 7/30$750
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:40 amLHR - ICN
2 stops51h 20mScandinavian Airlines
Wed 1/1411:45 pmICN - LHR
1 stop25h 15mScandinavian Airlines
Deal found 7/30$751
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:45 pmLHR - ICN
1 stop16h 20mEtihad Airways
Wed 11/512:50 amICN - LHR
1 stop22h 40mEtihad Airways
Deal found 7/30$763
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:00 amLHR - ICN
2 stops41h 25mSWISS
Wed 10/2210:05 amICN - LHR
1 stop29h 50mSWISS
Deal found 7/30$768
This Shenzhen Airlines 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:05 pmLHR - ICN
1 stop31h 35mShenzhen Airlines
Fri 9/194:40 pmICN - LHR
1 stop35h 10mShenzhen Airlines
Deal found 7/31$775
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:40 pmLHR - ICN
1 stop15h 05mMultiple Airlines
Thu 9/259:50 amICN - LHR
1 stop29h 05mMultiple Airlines
Deal found 7/30$799
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/279:00 pmLHR - GMP
1 stop31h 25mMultiple Airlines
Wed 9/107:10 amGMP - LHR
2 stops21h 20mMultiple Airlines
Deal found 7/31$885
This China Southern 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:00 pmLHR - GMP
1 stop31h 25mChina Southern
Fri 10/101:30 pmGMP - LHR
2 stops58h 45mChina Southern
Deal found 7/31$888
This EVA 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:35 pmLHR - GMP
2 stops31h 15mEVA Air
Fri 7/241:50 pmGMP - LHR
2 stops37h 30mEVA Air
Deal found 7/31$1,514
This Japan Airlines 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:20 pmLHR - GMP
1 stop18h 30mJapan Airlines
Wed 9/177:55 amGMP - LHR
1 stop30h 30mJapan Airlines
Deal found 7/31$1,553

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Seoul 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 July 31, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Seoul that are best for you.

Fly from

Heathrow

Fly to

Seoul

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/23

11:30 am-10:50 am

1 stop14h 20m

Incheon Intl

Sun 1/11

1:30 pm-9:00 pm

1 stop16h 30m

$749

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 9/6

10:40 pm-1:05 pm

1 stop30h 25m

Seoul Gimpo Intl

Sat 9/13

2:25 pm-8:30 pm

1 stop14h 05m

$750

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 9/11

9:00 pm-10:10 pm

1 stop17h 10m

Incheon Intl

Wed 9/24

3:15 pm-7:00 pm

1 stop35h 45m

$750

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 12/8

6:40 am-7:00 pm

2 stops51h 20m

Incheon Intl

Wed 1/14

11:45 pm-4:00 pm

1 stop25h 15m

$751

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 10/23

9:45 pm-10:05 pm

1 stop16h 20m

Incheon Intl

Wed 11/5

12:50 am-2:30 pm

1 stop22h 40m

$763

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 10/2

7:00 am-8:25 am

2 stops41h 25m

Incheon Intl

Wed 10/22

10:05 am-7:55 am

1 stop29h 50m

$768

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 9/13

10:05 pm-1:40 pm

1 stop31h 35m

Incheon Intl

Fri 9/19

4:40 pm-7:50 pm

1 stop35h 10m

$775

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 9/21

10:40 pm-9:45 pm

1 stop15h 05m

Incheon Intl

Thu 9/25

9:50 am-6:55 am

1 stop29h 05m

$799

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 8/27

9:00 pm-12:25 pm

1 stop31h 25m

Seoul Gimpo Intl

Wed 9/10

7:10 am-8:30 pm

2 stops21h 20m

$885

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 9/10

9:00 pm-12:25 pm

1 stop31h 25m

Seoul Gimpo Intl

Fri 10/10

1:30 pm-4:15 pm

2 stops58h 45m

$888

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 25 results
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Best time to book a flight from Heathrow to Seoul

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

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Seoul. Price data was last updated on July 25, 2025.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Seoul. 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 Seoul?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Seoul (average of $998). Flying from London Heathrow Airport to Seoul in December is currently the most expensive (average of $1,635). 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 SEL?

Find hourly flight availability from Heathrow to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 41% on flights from London Heathrow Airport to Seoul by exploring options for tickets in the morning.

Weekly flight availability from London Heathrow Airport to Seoul

Explore weekly flight availability from Heathrow to Seoul. 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 July 31, 2025.

The most flights from LHR to SEL 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).

How much does it cost to fly round-trip from London Heathrow Airport to Seoul?

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with EVA Air, Japan Airlines, and LOT from London Heathrow Airport to Seoul 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.
EVA Air
8.4
Very good
1,220 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Japan Airlines
8.3
Very good
1,536 reviews
EVA Air
8.4
Very good
1,220 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
LOT
7.6
Good
1,105 reviews
EVA Air
8.4
Very good
1,220 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
China Southern
7.6
Good
104 reviews
EVA Air
8.4
Very good
1,220 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Finnair
7.6
Good
1,316 reviews
EVA Air
8.4
Very good
1,220 reviews

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

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

    Our cheapest airline available from London Heathrow Airport to Seoul is Lufthansa. Our recent data shows that you can find tickets from as low as $749 on this airline. Additional options worth looking into are Air China and China Southern, starting at $750 and $750 round-trip. Lufthansa is priced at 13% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Shenzhen Airlines, with whom users have recently found tickets for as low as $443. However, be on the lookout for offers from China Eastern and Lufthansa, as they are both options that can get you from London Heathrow Airport to Seoul for a low price.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Seoul on time: Asiana Airlines (95%), Korean Air (92%), Virgin Atlantic (92%).

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

    On average you can expect to pay $1,478 for a flight from London Heathrow Airport to Seoul. The cheapest flight overall is $821 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at $597.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Seoul (average of $998). Flying from London Heathrow Airport to Seoul in December is currently the most expensive (average of $1,635). 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

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Alternative routes for Heathrow to Seoul

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

Top 4 airlines flying from Heathrow to Seoul

Discover the top 4 airlines that operate flights from Heathrow to Seoul. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$507Average$711FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$579Average$801FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$990Average$1,373FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,000Average$1,171FlexibilityNo cancel feeOn-time81%

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