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 $529. Other airlines that can offer you cheap pricing are SWISS, from $549, and Air China, from $555. You may be able to fly from Seoul to London Heathrow Airport for 41% 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 China Southern ($219), China Eastern ($222), and Air China ($266).

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

Travelers seeking maximum savings on their Seoul to London Heathrow Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday 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?

While on average a flight from Seoul to London Heathrow Airport is generally $787, our data shows the cheapest flight currently is $486. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay $517 for that flight.

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

Consider Korean Air (63%), Virgin Atlantic (62%) or Asiana Airlines (56%) when booking your flight. These represent the most reliable airlines when flying from Seoul to London Heathrow Airport.

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

Finnair, Air China and Etihad Airways 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?

Saturday flights are found to be more expensive to fly from Seoul to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

Travelers have found it’s best to book a flight 22 days in advance to save up to 50% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 22 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seoul to London Heathrow Airport 1-2 weeks in advance for as low as $718, or $718 for flights within the next 24 hours.

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

Our data shows that November tends to be the cheapest month to fly to London Heathrow Airport from Seoul. Users have commonly found prices around $781 for the month, but tickets can be as low as $434. Due to multiple factors, prepare for potentially higher prices in September.

Most accurate provider : When it comes to deals on Seoul-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 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 Seoul-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$219+ Flights from Seoul to London Heathrow Airport

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Find cheap flights from Seoul to Heathrow 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 Seoul to London Heathrow are usually found in March or June, booked 83 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap flight deals from Seoul to Heathrow

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$529 (China Southern)
One-way from	$219 (FlightHub)
Popular in	July
Cheapest in	March
Average price	$948
Good round-trip deal	$830 or less
Good one-way deal	$572 or less

Provider with most accurate pricing for Seoul (SEL)-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seoul (SEL)-London Heathrow flights.

Search Deals

From Seoul (SEL) to London Heathrow

Search Deals

One-way flight from Seoul (SEL) to London Heathrow

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($75 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 24, 2025.

Thu 6/123:15 pmICN - LHR

1 stop35h 45mChina Southern

Fri 6/209:00 pmLHR - ICN

1 stop17h 10mChina Southern

Deal found 4/23

$529

Wed 6/111:30 pmGMP - LHR

1 stop36h 35mChina Southern

Sun 6/229:00 pmLHR - GMP

1 stop31h 25mChina Southern

Deal found 4/23

$529

Mon 5/1910:05 amICN - LHR

1 stop29h 50mSWISS

Fri 5/236:00 amLHR - ICN

1 stop18h 25mSWISS

Deal found 4/23

$549

Mon 5/122:55 pmICN - LHR

1 stop37h 20mAir China

Mon 5/198:25 pmLHR - ICN

1 stop17h 20mAir China

Deal found 4/23

$555

Sun 6/14:35 pmICN - LHR

1 stop34h 05mChina Eastern

Tue 6/109:20 pmLHR - ICN

1 stop15h 25mChina Eastern

Deal found 4/23

$562

Sun 6/18:50 pmGMP - LHR

1 stop29h 50mChina Eastern

Wed 6/49:20 pmLHR - GMP

1 stop29h 40mChina Eastern

Deal found 4/23

$574

Mon 5/194:35 pmICN - LHR

1 stop34h 05mMultiple Airlines

Mon 6/910:00 pmLHR - ICN

2 stops39h 30mMultiple Airlines

Deal found 4/23

$605

Sun 5/1812:10 amICN - LHR

1 stop24h 25mMalaysia Airlines

Mon 6/99:35 pmLHR - ICN

1 stop25h 35mMalaysia Airlines

Deal found 4/23

$652

Sun 12/141:30 pmICN - LHR

1 stop18h 25mLufthansa

Thu 1/111:30 amLHR - ICN

1 stop14h 20mLufthansa

Deal found 4/22

$666

Mon 10/2711:00 pmICN - LHR

1 stop25h 15mFinnair

Sun 11/94:15 pmLHR - ICN

1 stop35h 05mFinnair

Deal found 4/23

$676

Mon 6/91:35 amICN - LHR

1 stop25h 10mEtihad Airways

Sun 6/222:45 pmLHR - ICN

1 stop23h 20mEtihad Airways

Deal found 4/23

$692

Sun 6/82:50 pmICN - LHR

2 stops37h 00mShenzhen Airlines

Sun 6/1510:05 pmLHR - ICN

2 stops55h 45mShenzhen Airlines

Deal found 4/23

$743

Best flights from Seoul to Heathrow
Discover carefully curated flight deals from Seoul to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Thu 6/123:15 pmICN - LHR

1 stop35h 45mChina Southern

Fri 6/209:00 pmLHR - ICN

1 stop17h 10mChina Southern

Deal found 4/23

$529

Mon 5/1910:05 amICN - LHR

1 stop29h 50mSWISS

Fri 5/236:00 amLHR - ICN

1 stop18h 25mSWISS

Deal found 4/23

$549

Mon 5/122:55 pmICN - LHR

1 stop37h 20mAir China

Mon 5/198:25 pmLHR - ICN

1 stop17h 20mAir China

Deal found 4/23

$555

Sun 6/14:35 pmICN - LHR

1 stop34h 05mChina Eastern

Tue 6/109:20 pmLHR - ICN

1 stop15h 25mChina Eastern

Deal found 4/23

$562

Mon 5/194:35 pmICN - LHR

1 stop34h 05mMultiple Airlines

Mon 6/910:00 pmLHR - ICN

2 stops39h 30mMultiple Airlines

Deal found 4/23

$605

Sun 5/1812:10 amICN - LHR

1 stop24h 25mMalaysia Airlines

Mon 6/99:35 pmLHR - ICN

1 stop25h 35mMalaysia Airlines

Deal found 4/23

$652

Mon 6/91:35 amICN - LHR

1 stop25h 10mEtihad Airways

Sun 6/222:45 pmLHR - ICN

1 stop23h 20mEtihad Airways

Deal found 4/23

$692

Thu 6/1211:40 amICN - LHR

1 stop17h 05mLufthansa

Mon 6/238:25 pmLHR - ICN

2 stops29h 30mLufthansa

Deal found 4/23

$702

Sun 6/82:50 pmICN - LHR

2 stops37h 00mShenzhen Airlines

Sun 6/1510:05 pmLHR - ICN

2 stops55h 45mShenzhen Airlines

Deal found 4/23

$743

Sat 5/316:05 pmICN - LHR

1 stop31h 45mVietnam Airlines

Wed 6/46:55 pmLHR - ICN

1 stop26h 55mVietnam Airlines

Deal found 4/23

$809

Wed 6/111:30 pmGMP - LHR

1 stop36h 35mChina Southern

Sun 6/229:00 pmLHR - GMP

1 stop31h 25mChina Southern

Deal found 4/23

$529

Sat 5/311:50 pmGMP - LHR

2 stops37h 30mEVA Air

Wed 6/49:35 pmLHR - GMP

2 stops31h 15mEVA Air

Deal found 4/23

$1,064

Last-minute flights from Seoul to Heathrow
Discover last-minute flight deals from Seoul to Heathrow. Data last updated April 24, 2025 and is based on user searches.

Wed 4/301:30 pmGMP - LHR

1 stop36h 35mChina Southern

Wed 5/79:00 pmLHR - GMP

1 stop31h 25mChina Southern

Deal found 4/23

$1,298

Wed 4/302:25 pmICN - LHR

2 stops61h 35mShenzhen Airlines

Wed 5/710:05 pmLHR - ICN

2 stops31h 45mShenzhen Airlines

Deal found 4/23

$1,492

Thu 5/111:10 amICN - LHR

1 stop38h 30mAir Astana

Tue 5/66:05 pmLHR - ICN

1 stop31h 35mAir Astana

Deal found 4/23

$1,307

Thu 5/110:55 amICN - LHR

Nonstop14h 25mKorean Air

Tue 5/67:35 pmLHR - ICN

Nonstop12h 40mKorean Air

Deal found 4/23

$1,376

Thu 5/12:50 pmICN - LHR

2 stops32h 15mSichuan Airlines

Tue 5/66:30 pmLHR - ICN

2 stops35h 00mSichuan Airlines

Deal found 4/23

$1,466

Fri 5/212:35 amICN - LHR

1 stop38h 25mEthiopian Air

Fri 5/99:00 pmLHR - ICN

1 stop35h 00mEthiopian Air

Deal found 4/23

$1,410

Sat 5/310:05 amICN - LHR

1 stop29h 50mSWISS

Mon 5/126:40 pmLHR - ICN

1 stop29h 45mSWISS

Deal found 4/23

$1,114

Sat 5/312:10 amICN - LHR

1 stop24h 25mMalaysia Airlines

Thu 5/159:35 pmLHR - ICN

1 stop25h 35mMalaysia Airlines

Deal found 4/23

$1,143

Sat 5/310:05 amICN - LHR

1 stop17h 15mMultiple Airlines

Tue 5/610:30 amLHR - ICN

1 stop15h 25mMultiple Airlines

Deal found 4/23

$1,162

Sat 5/311:40 amICN - LHR

2 stops18h 30mLufthansa

Wed 5/78:30 amLHR - ICN

2 stops17h 25mLufthansa

Deal found 4/23

$1,768

Sun 5/41:05 pmICN - LHR

1 stop15h 25mAir China

Thu 5/1510:40 pmLHR - ICN

1 stop33h 55mAir China

Deal found 4/23

$988

Sun 5/42:05 pmICN - LHR

2 stops24h 55mEtihad Airways

Thu 5/159:45 pmLHR - ICN

1 stop16h 20mEtihad Airways

Deal found 4/23

$1,136

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 April 24, 2025.

Thu 5/151:30 pmGMP - LHR

1 stop36h 35mChina Southern

Deal found 4/23

$219

Sat 5/178:50 pmGMP - LHR

1 stop29h 50mChina Eastern

Deal found 4/23

$222

Wed 6/186:25 pmICN - LHR

1 stop32h 15mChina Eastern

Deal found 4/23

$232

Mon 5/122:55 pmICN - LHR

1 stop37h 20mAir China

Deal found 4/23

$266

Mon 5/127:00 pmGMP - LHR

3 stops55h 40mMultiple Airlines

Deal found 4/23

$277

Sun 6/296:05 pmICN - LHR

1 stop31h 00mVietnam Airlines

Deal found 4/23

$287

Sun 6/1512:55 pmICN - LHR

2 stops34h 45mMultiple Airlines

Deal found 4/23

$289

Sat 5/1712:10 amICN - LHR

1 stop24h 25mMalaysia Airlines

Deal found 4/23

$296

Wed 5/211:35 amICN - LHR

1 stop25h 10mEtihad Airways

Deal found 4/23

$302

Mon 5/122:25 pmGMP - LHR

1 stop35h 20mAir China

Deal found 4/23

$306

Fri 5/92:50 pmICN - LHR

2 stops61h 10mShenzhen Airlines

Deal found 4/23

$366

Mon 5/191:20 amICN - LHR

1 stop19h 55mQatar Airways

Deal found 4/23

$405

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

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 6/12

3:15 pm-7:00 pm

1 stop35h 45m

London Heathrow

Sat 6/21

9:00 pm-10:10 pm

1 stop17h 10m

$529

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 6/11

1:30 pm-6:05 pm

1 stop36h 35m

London Heathrow

Sun 6/22

9:00 pm-12:25 pm

1 stop31h 25m

$529

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 5/19

10:05 am-7:55 am

1 stop29h 50m

London Heathrow

Fri 5/23

6:00 am-8:25 am

1 stop18h 25m

$549

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 5/12

2:55 pm-8:15 pm

1 stop37h 20m

London Heathrow

Mon 5/19

8:25 pm-9:45 pm

1 stop17h 20m

$555

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 6/1

4:35 pm-6:40 pm

1 stop34h 05m

London Heathrow

Tue 6/10

9:20 pm-8:45 pm

1 stop15h 25m

$562

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 6/1

8:50 pm-6:40 pm

1 stop29h 50m

London Heathrow

Wed 6/4

9:20 pm-11:00 am

1 stop29h 40m

$574

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 5/19

4:35 pm-6:40 pm

1 stop34h 05m

London Heathrow

Mon 6/9

10:00 pm-9:30 pm

2 stops39h 30m

$605

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 5/18

12:10 am-4:35 pm

1 stop24h 25m

London Heathrow

Mon 6/9

9:35 pm-7:10 am

1 stop25h 35m

$652

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 6/9

1:35 am-6:45 pm

1 stop25h 10m

London Heathrow

Sun 6/22

2:45 pm-10:05 pm

1 stop23h 20m

$692

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 6/12

11:40 am-8:45 pm

1 stop17h 05m

London Heathrow

Mon 6/23

8:25 pm-9:55 am

2 stops29h 30m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 43 results

...

Compare providers for flights from Seoul to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Heathrow in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 Seoul-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 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 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.

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?

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 $1,110). 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?

It’s typically best to fly out from Seoul to London Heathrow Airport in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Seoul to London Heathrow Airport

The most flights from SEL to LHR 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 Heathrow 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

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

To help decide which airline to fly from Seoul to London, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,180 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Korean Air

8.4

Very good

1,062 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Japan Airlines

8.3

Very good

1,452 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

China Airlines

8.3

Very good

727 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

ANA

8.3

Very good

853 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

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 $529. Other airlines that can offer you cheap pricing are SWISS, from $549, and Air China, from $555. You may be able to fly from Seoul to London Heathrow Airport for 41% 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 China Southern ($219), China Eastern ($222), and Air China ($266).
What are the most reliable airlines from Seoul to London Heathrow Airport?
Consider Korean Air (63%), Virgin Atlantic (62%) or Asiana Airlines (56%) 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 $787, our data shows the cheapest flight currently is $486. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay $517 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 $1,110). 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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Gatwick

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Broadway

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Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Seoul to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest$550	Average$741	FlexibilityNo cancel fee	On-time67%
Finnair	Cheapest$624	Average$759	FlexibilityNo cancel fee	On-time76%
Etihad Airways	Cheapest$672	Average$806	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$682	Average$842	FlexibilityNo cancel fee	On-time76%
Asiana Airlines	Cheapest$825	Average$988	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$882	Average$1,108	FlexibilityNo cancel fee	On-time81%

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$219+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seoul to Heathrow with Cheapflights

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

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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 April 24, 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 April 24, 2025.

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

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 April.

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 round-trip flight from Seoul to Heathrow. Price data was last updated on April 18, 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 April 24, 2025.

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 April 24, 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

To help decide which airline to fly from Seoul to London, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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Alternative routes for Seoul to Heathrow

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Top 6 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 April 24, 2025.