HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$356+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEL
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Seoul 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 Seoul are usually found in November or January, 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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$536
(Gotogate)

One-way from

$356
(oojo)

Popular in

July

Cheapest in

November

Average price

$836

Good round-trip deal

$1,084 or less
Provider with most accurate pricing for London Heathrow-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Seoul (SEL) flights.
Search Deals
From London Heathrow to Seoul (SEL)
Search Deals
One-way flight from London Heathrow to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Seoul (SEL).
Search Deals

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 marzo 28, 2025.

This Gotogate deal was found by Cheapflights users on 3/27. 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.
lun. 5/269:00 pmLHR - GMP
1 stop31h 25mChina Southern
vie. 6/131:30 pmGMP - LHR
1 stop36h 35mChina Southern
Deal found 3/27$536
This oojo deal was found by Cheapflights users on 3/27. 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.
vie. 5/210:40 pmLHR - ICN
1 stop28h 55mAir China
dom. 5/115:50 pmICN - LHR
1 stop34h 40mAir China
Deal found 3/27$558
This China Southern deal was found by Cheapflights users on 3/28. 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.
dom. 5/1110:10 pmLHR - ICN
1 stop33h 15mChina Southern
mar. 5/279:25 amICN - LHR
1 stop16h 40mChina Southern
Deal found 3/28$561
This oojo deal was found by Cheapflights users on 3/27. 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.
vie. 5/169:20 pmLHR - ICN
1 stop30h 35mChina Eastern
dom. 5/256:25 pmICN - LHR
1 stop32h 15mChina Eastern
Deal found 3/27$562
This Lufthansa deal was found by Cheapflights users on 3/26. 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. 11/611:30 amLHR - ICN
1 stop14h 20mLufthansa
mar. 11/1812:55 pmICN - LHR
1 stop16h 50mLufthansa
Deal found 3/26$569
This oojo deal was found by Cheapflights users on 3/28. 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.
vie. 5/910:05 pmLHR - ICN
1 stop33h 35mShenzhen Airlines
dom. 6/14:40 pmICN - LHR
1 stop35h 10mShenzhen Airlines
Deal found 3/28$573
This Priceline deal was found by Cheapflights users on 3/27. 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.
vie. 5/169:20 pmLHR - GMP
1 stop29h 40mChina Eastern
dom. 5/258:50 pmGMP - LHR
1 stop29h 50mChina Eastern
Deal found 3/27$586
This oojo deal was found by Cheapflights users on 3/27. 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.
dom. 6/88:25 pmLHR - GMP
1 stop32h 40mAir China
dom. 8/242:25 pmGMP - LHR
1 stop35h 20mAir China
Deal found 3/27$597
This Booking.com deal was found by Cheapflights users on 3/27. 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.
mié. 6/49:20 pmLHR - ICN
2 stops29h 55mMultiple Airlines
dom. 6/229:25 amICN - LHR
1 stop16h 40mMultiple Airlines
Deal found 3/27$637
This SWISS deal was found by Cheapflights users on 3/27. 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.
sáb. 5/247:15 pmLHR - ICN
2 stops29h 10mSWISS
sáb. 10/1110:05 amICN - LHR
1 stop17h 15mSWISS
Deal found 3/27$639
This Priceline deal was found by Cheapflights users on 3/27. 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.
vie. 6/138:25 pmLHR - GMP
1 stop32h 40mMultiple Airlines
sáb. 6/211:30 pmGMP - LHR
1 stop36h 35mMultiple Airlines
Deal found 3/27$666
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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.
lun. 9/227:50 pmLHR - ICN
2 stops38h 25mScandinavian Airlines
lun. 10/1311:45 pmICN - LHR
2 stops22h 50mScandinavian Airlines
Deal found 3/27$693

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 marzo 28, 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

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

lun. 5/26

9:00 pm-12:25 pm

1 stop31h 25m

Seoul Gimpo Intl

vie. 6/13

1:30 pm-6:05 pm

1 stop36h 35m

$536

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

vie. 5/2

10:40 pm-11:35 am

1 stop28h 55m

Incheon Intl

dom. 5/11

5:50 pm-8:30 pm

1 stop34h 40m

$558

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

dom. 5/11

10:10 pm-3:25 pm

1 stop33h 15m

Incheon Intl

mar. 5/27

9:25 am-6:05 pm

1 stop16h 40m

$561

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

vie. 5/16

9:20 pm-11:55 am

1 stop30h 35m

Incheon Intl

dom. 5/25

6:25 pm-6:40 pm

1 stop32h 15m

$562

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

vie. 5/9

10:05 pm-3:40 pm

1 stop33h 35m

Incheon Intl

dom. 6/1

4:40 pm-7:50 pm

1 stop35h 10m

$573

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

mar. 5/20

6:55 am-9:55 am

1 stop19h 00m

Incheon Intl

mié. 12/10

1:30 pm-9:00 pm

1 stop16h 30m

$585

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

vie. 5/16

9:20 pm-11:00 am

1 stop29h 40m

Seoul Gimpo Intl

dom. 5/25

8:50 pm-6:40 pm

1 stop29h 50m

$586

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

dom. 6/8

8:25 pm-1:05 pm

1 stop32h 40m

Seoul Gimpo Intl

dom. 8/24

2:25 pm-5:45 pm

1 stop35h 20m

$597

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

mié. 6/4

9:20 pm-11:15 am

2 stops29h 55m

Incheon Intl

dom. 6/22

9:25 am-6:05 pm

1 stop16h 40m

$637

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

sáb. 5/24

7:15 pm-8:25 am

2 stops29h 10m

Incheon Intl

sáb. 10/11

10:05 am-7:20 pm

1 stop17h 15m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 43 results
1
2
3
...
5

Compare providers for flights from Heathrow to Seoul

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 Seoul in March.
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 London Heathrow Airport-Seoul 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-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Seoul 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-Seoul 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 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 March 21, 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 $1,002). Flying from London Heathrow Airport to Seoul in June is currently the most expensive (average of $1,661). 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 marzo 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 47% on flights from London Heathrow Airport to Seoul by exploring options for tickets in the morning.

Rainfall in Seoul by month

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

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

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

If weather is an important factor for your trip to Seoul, 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 35.6 F).

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 marzo 28, 2025.
To help decide which airline to fly from London to Seoul, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,050 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
829 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very good
722 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 China Southern. Our recent data shows that you can find tickets from as low as $536 on this airline. Additional options worth looking into are Air China and China Eastern, starting at $558 and $562 round-trip. China Southern is priced at 39% 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 China Southern, with whom users have recently found tickets for as low as $356. However, be on the lookout for offers from Shenzhen Airlines and Hainan Airlines, 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 (69%), Virgin Atlantic (68%), Korean Air (34%).

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

    On average you can expect to pay $1,166 for a flight from London Heathrow Airport to Seoul. The cheapest flight overall is $1,017 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at $562.

  • 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 $1,002). Flying from London Heathrow Airport to Seoul in June is currently the most expensive (average of $1,661). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$528Average$787FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$726Average$971FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$990Average$1,047FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,003Average$1,160FlexibilityNo cancel feeOn-time81%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.