What are the cheapest airlines flying from Seoul to London Heathrow Airport round-trip?

China Southern, at £377, was found to be the cheapest airline from Seoul to London Heathrow Airport.Alternate airlines flying return to your destination include China Eastern and Air China. These flights start at 44% lower than the current average price 3 months from now.

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

The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as £162. However, be on the lookout for offers from Air China and China Eastern, as they are both options that can get you from Seoul to London Heathrow Airport for a low price.

What is the cheapest day to fly from Seoul to London Heathrow Airport?

Travellers seeking maximum savings on their Seoul to London Heathrow Airport flight should consider departing on Monday at midday when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Looking at all options, your cheapest flight can be booked for £351. While the most popular route (Incheon Intl - London Heathrow) can be booked for £349 on average our data indicates £1,075 when flying from Seoul to London Heathrow Airport.

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

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 Seoul to London Heathrow Airport on time: Korean Air (69%), Asiana Airlines (67%), Virgin Atlantic (66%).

What are the most popular airlines that fly from Seoul to London Heathrow Airport?

Finnair, Korean Air and China Eastern are the most popular airlines when flying from Seoul to London Heathrow Airport.

What is the cheapest day to fly round-trip from Seoul to London Heathrow Airport?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London Heathrow Airport. Check prices with Cheapflights to find a great deal for your trip.

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

Users have found that booking a flight from Seoul to London Heathrow Airport at least 22 days early can save you up to 56% on average compared to booking a flight this week. If booking 22 days before your flight isn’t an option for you, users have found flights from Seoul to London Heathrow Airport for as little as £504 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £533 for flights departing within the next 3 days.

What is the cheapest month to fly from Seoul to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, December can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Seoul in December are about £606 on average during December, but can be found for as low as £337.

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 holiday 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.

£162+ Flights from Seoul to London Heathrow Airport

Cheapflights Tip: The best prices from Seoul to London Heathrow are usually found in March or May, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Seoul to Heathrow

Round-trip from	£377
One-way from	£162
Popular in	July
Cheapest in	March
Average price	£540
Good round-trip deal	£745 or less
Good one-way deal	£363 or less

China Southern
8/5-13/5
2 total stops
68h 00m total
Seoul to London

Search Deals

China Southern
9/4
1 total stop
36h 35m total
Seoul to London

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£54 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Seoul (SEL) to London Heathrow.

Search Deals

Price to beat on a one-way flight from Seoul (SEL) to London Heathrow.

Search Deals

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 28 March 2025.

Tue 1/413:30GMP - LHR

1 stop36h 35mChina Southern

Wed 23/421:00LHR - GMP

1 stop31h 25mChina Southern

Deal found 26/3£366

Wed 7/520:50GMP - LHR

1 stop29h 50mChina Eastern

Sat 17/521:20LHR - GMP

1 stop29h 40mChina Eastern

Deal found 26/3£383

Mon 16/614:25GMP - LHR

1 stop35h 20mAir China

Fri 20/620:25LHR - GMP

1 stop32h 40mAir China

Deal found 26/3£414

Tue 1/412:55ICN - LHR

1 stop37h 45mChina Eastern

Mon 14/421:20LHR - ICN

1 stop32h 10mChina Eastern

Deal found 27/3£415

Thu 10/416:45ICN - LHR

1 stop34h 15mChina Southern

Thu 24/421:00LHR - ICN

1 stop17h 10mChina Southern

Deal found 26/3£416

Wed 28/514:55ICN - LHR

1 stop37h 20mAir China

Sat 7/622:00LHR - ICN

1 stop30h 55mAir China

Deal found 27/3£417

Fri 28/314:55ICN - LHR

1 stop37h 45mMultiple Airlines

Mon 14/422:10LHR - ICN

1 stop33h 15mMultiple Airlines

Deal found 27/3£418

Thu 3/421:50ICN - LHR

1 stop32h 20mFinnair

Sun 13/416:10LHR - ICN

1 stop35h 10mFinnair

Deal found 27/3£435

Thu 27/312:15ICN - LHR

1 stop18h 10mAir France

Mon 31/319:45LHR - ICN

1 stop26h 45mAir France

Deal found 26/3£452

Wed 7/500:10ICN - LHR

1 stop24h 25mMalaysia Airlines

Sun 18/511:00LHR - ICN

1 stop36h 10mMalaysia Airlines

Deal found 25/3£460

Mon 7/414:25GMP - LHR

1 stop35h 20mMultiple Airlines

Mon 12/521:00LHR - GMP

1 stop31h 25mMultiple Airlines

Deal found 26/3£481

Tue 6/511:40ICN - LHR

2 stops18h 30mLufthansa

Tue 13/510:30LHR - ICN

1 stop15h 25mLufthansa

Deal found 27/3£482

Best flights from Seoul to Heathrow
Discover carefully curated flight deals from Seoul to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 March 2025.

Thu 8/513:30GMP - LHR

1 stop36h 35mChina Southern

Tue 13/521:00LHR - GMP

1 stop31h 25mChina Southern

Deal found 26/3£377

Wed 7/520:50GMP - LHR

1 stop29h 50mChina Eastern

Sat 17/521:20LHR - GMP

1 stop29h 40mChina Eastern

Deal found 26/3£383

Mon 16/614:25GMP - LHR

1 stop35h 20mAir China

Fri 20/620:25LHR - GMP

1 stop32h 40mAir China

Deal found 26/3£414

Mon 7/421:50ICN - LHR

1 stop22h 20mFinnair

Sun 20/418:10LHR - ICN

1 stop33h 10mFinnair

Deal found 25/3£436

Mon 7/414:55ICN - LHR

1 stop37h 20mMultiple Airlines

Mon 14/422:05LHR - ICN

1 stop31h 35mMultiple Airlines

Deal found 27/3£442

Wed 7/500:10ICN - LHR

1 stop24h 25mMalaysia Airlines

Wed 28/511:00LHR - ICN

1 stop36h 10mMalaysia Airlines

Deal found 25/3£460

Wed 9/401:35ICN - LHR

1 stop37h 25mEtihad Airways

Thu 24/421:45LHR - ICN

1 stop16h 20mEtihad Airways

Deal found 27/3£476

Tue 6/511:40ICN - LHR

2 stops18h 30mLufthansa

Tue 13/510:30LHR - ICN

1 stop15h 25mLufthansa

Deal found 27/3£482

Wed 21/510:05ICN - LHR

1 stop17h 15mSWISS

Tue 27/507:00LHR - ICN

2 stops17h 25mSWISS

Deal found 26/3£499

Thu 17/416:40ICN - LHR

1 stop35h 20mShenzhen Airlines

Sun 20/422:05LHR - ICN

1 stop33h 40mShenzhen Airlines

Deal found 26/3£499

Mon 14/407:55GMP - LHR

1 stop30h 30mJapan Airlines

Wed 30/409:40LHR - GMP

1 stop24h 20mJapan Airlines

Deal found 26/3£748

Sat 24/513:50GMP - LHR

2 stops37h 30mEVA Air

Tue 27/521:35LHR - GMP

2 stops55h 15mEVA Air

Deal found 27/3£825

Direct flights from Seoul to Heathrow
Explore direct flight options from Seoul to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 March 2025.

Tue 8/412:20ICN - LHR

Nonstop14h 30mAsiana Airlines

Wed 16/420:40LHR - ICN

Nonstop12h 50mAsiana Airlines

Deal found 27/3£640

Tue 8/410:55ICN - LHR

Nonstop14h 25mKorean Air

Wed 16/419:35LHR - ICN

Nonstop12h 40mKorean Air

Deal found 26/3£649

Wed 9/410:55ICN - LHR

Nonstop14h 25mVirgin Atlantic

Tue 22/419:35LHR - ICN

Nonstop12h 40mVirgin Atlantic

Deal found 26/3£702

Last-minute flights from Seoul to Heathrow
Discover last-minute flight deals from Seoul to Heathrow. Data last updated 28 March 2025 and is based on user searches.

Thu 27/312:15ICN - LHR

1 stop18h 10mAir France

Mon 31/319:45LHR - ICN

1 stop26h 45mAir France

Deal found 26/3£452

Fri 28/314:55ICN - LHR

1 stop37h 45mMultiple Airlines

Mon 14/422:10LHR - ICN

1 stop33h 15mMultiple Airlines

Deal found 27/3£418

Fri 28/313:30ICN - LHR

1 stop18h 25mLufthansa

Mon 31/308:30LHR - ICN

1 stop17h 25mLufthansa

Deal found 25/3£465

Sat 29/311:00ICN - LHR

1 stop19h 40mSWISS

Mon 31/318:40LHR - ICN

1 stop29h 45mSWISS

Deal found 27/3£472

Tue 1/413:30GMP - LHR

1 stop36h 35mChina Southern

Wed 23/421:00LHR - GMP

1 stop31h 25mChina Southern

Deal found 26/3£366

Tue 1/412:55ICN - LHR

1 stop37h 45mChina Eastern

Mon 14/421:20LHR - ICN

1 stop32h 10mChina Eastern

Deal found 27/3£415

Tue 1/417:50ICN - LHR

1 stop31h 55mAir China

Sun 27/422:40LHR - ICN

1 stop33h 55mAir China

Deal found 27/3£418

Tue 1/416:45ICN - LHR

1 stop34h 15mChina Southern

Mon 14/422:10LHR - ICN

1 stop33h 15mChina Southern

Deal found 26/3£419

Tue 1/414:25GMP - LHR

1 stop35h 20mAir China

Tue 8/422:40LHR - GMP

1 stop30h 25mAir China

Deal found 27/3£459

Tue 1/414:40ICN - LHR

1 stop37h 20mShenzhen Airlines

Wed 2/422:05LHR - ICN

1 stop31h 35mShenzhen Airlines

Deal found 26/3£533

Tue 1/412:35ICN - LHR

2 stops25h 50mRoyal Brunei Airlines

Sun 27/417:15LHR - ICN

2 stops29h 35mRoyal Brunei Airlines

Deal found 25/3£567

Wed 2/401:35ICN - LHR

1 stop25h 10mEtihad Airways

Tue 22/414:45LHR - ICN

1 stop23h 20mEtihad Airways

Deal found 25/3£459

One-way flights from Seoul to Heathrow
Search for one-way flight options from Seoul to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 March 2025.

Wed 9/413:30GMP - LHR

1 stop36h 35mChina Southern

Deal found 26/3£162

Thu 22/508:15ICN - LHR

3 stops42h 25mMultiple Airlines

Deal found 26/3£180

Wed 2/414:55ICN - LHR

1 stop37h 20mAir China

Deal found 27/3£196

Wed 2/414:30ICN - LHR

1 stop36h 10mChina Eastern

Deal found 26/3£201

Wed 7/512:00GMP - LHR

1 stop38h 40mChina Eastern

Deal found 26/3£201

Fri 16/500:10ICN - LHR

1 stop24h 25mMalaysia Airlines

Deal found 26/3£207

Sat 21/618:05ICN - LHR

1 stop31h 45mVietnam Airlines

Deal found 26/3£213

Mon 15/901:35ICN - LHR

1 stop37h 25mEtihad Airways

Deal found 27/3£218

Wed 14/514:25GMP - LHR

1 stop35h 20mAir China

Deal found 25/3£228

Wed 2/419:35GMP - LHR

3 stops55h 55mMultiple Airlines

Deal found 27/3£230

Tue 8/415:15ICN - LHR

1 stop35h 45mChina Southern

Deal found 27/3£234

Thu 17/416:40ICN - LHR

1 stop35h 20mShenzhen Airlines

Deal found 27/3£238

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seoul to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 8/5

13:30-18:05

1 stop36h 35m

London Heathrow

Tue 13/5

21:00-12:25

1 stop31h 25m

£377

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 7/5

20:50-18:40

1 stop29h 50m

London Heathrow

Sat 17/5

21:20-11:00

1 stop29h 40m

£383

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 16/6

14:25-17:45

1 stop35h 20m

London Heathrow

Fri 20/6

20:25-13:05

1 stop32h 40m

£414

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 10/4

16:45-19:00

1 stop34h 15m

London Heathrow

Thu 24/4

21:00-22:10

1 stop17h 10m

£416

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 28/5

14:55-20:15

1 stop37h 20m

London Heathrow

Sat 7/6

22:00-12:55

1 stop30h 55m

£417

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 29/5

12:55-18:40

1 stop37h 45m

London Heathrow

Sat 31/5

21:20-17:25

1 stop36h 05m

£418

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 7/4

21:50-12:10

1 stop22h 20m

London Heathrow

Sun 20/4

18:10-11:20

1 stop33h 10m

£436

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 7/4

14:55-20:15

1 stop37h 20m

London Heathrow

Mon 14/4

22:05-13:40

1 stop31h 35m

£442

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 7/5

00:10-16:35

1 stop24h 25m

London Heathrow

Sun 18/5

11:00-07:10

1 stop36h 10m

£460

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 9/4

01:35-07:00

1 stop37h 25m

London Heathrow

Thu 24/4

21:45-22:05

1 stop16h 20m

£476

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 35 results

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 return 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 Seoul to London Heathrow Airport

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

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to London Heathrow 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 Seoul to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Seoul to London Heathrow Airport (average of £112). Flying from Seoul to London Heathrow Airport in August is currently the most expensive (average of £164). 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?

A simple way to save on the total cost of your ticket is to fly from Seoul to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the morning.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with EVA Air, Japan Airlines and Thai Airways from Seoul to London to help guide your decision. In addition to providing an overall rating, 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

Check prices

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

Check prices

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

Check prices

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.

Thai Airways

7.8

Good

317 reviews

EVA Air

8.4

Very Good

1,169 reviews

Check prices

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.

Finnair

7.6

Good

1,267 reviews

EVA Air

8.4

Very Good

1,169 reviews

Check prices

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.

Vietnam Airlines

7.6

Good

192 reviews

EVA Air

8.4

Very Good

1,169 reviews

Check prices

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

What are the cheapest airlines flying from Seoul to London Heathrow Airport round-trip?
China Southern, at £377, was found to be the cheapest airline from Seoul to London Heathrow Airport.Alternate airlines flying return to your destination include China Eastern and Air China. These flights start at 44% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Seoul to London Heathrow Airport one-way?
The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as £162. However, be on the lookout for offers from Air China and China Eastern, as they are both options that can get you from Seoul to London Heathrow Airport for a low price.
What are the most reliable airlines from Seoul to London Heathrow Airport?
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 Seoul to London Heathrow Airport on time: Korean Air (69%), Asiana Airlines (67%), Virgin Atlantic (66%).
What are the cheapest flights from Seoul to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £351. While the most popular route (Incheon Intl - London Heathrow) can be booked for £349 on average our data indicates £1,075 when flying from Seoul to London Heathrow Airport.
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 holiday 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, January is the cheapest month in which you can book a flight from Seoul to London Heathrow Airport (average of £112). Flying from Seoul to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Northampton

Swindon

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Seoul to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£367	Average£561	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Finnair	Cheapest£582	Average£696	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Asiana Airlines	Cheapest£612	Average£806	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Korean Air	Cheapest£697	Average£958	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights

Fly with Cheapflights

How does Cheapflights help users find flights from Seoul to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Seoul today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seoul to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seoul to Heathrow.

Can Cheapflights find flights from Seoul to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seoul to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seoul to Heathrow become cheaper?

Yes! Start tracking prices for Seoul to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Seoul to London Heathrow Airport from £162

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Seoul to London Heathrow are usually found in March or May, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Seoul to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seoul to Heathrow

Cheapest flights from Seoul to HeathrowExplore 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 28 March 2025.

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 28 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seoul to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Seoul to London Heathrow Airport

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 return flight from Seoul to Heathrow. Price data was last updated on 21 March 2025.

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

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 28 March 2025.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

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?

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

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

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

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

How can I find direct flights from Seoul to Heathrow?

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

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

Travelling to a place near Seoul?

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 Seoul to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Seoul to Heathrow

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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 28 March 2025.