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Cheap flights from Seoul to London Heathrow Airport from £181

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — LHR
26 Dec — 2 Jan1
1 adult

The best prices from Seoul to London Heathrow are usually found in May or February, booked 35 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Seoul to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 December 2024.

Round-trip from

£371

One-way from

£181

Popular in

July

Cheapest in

May

Average price

£638
China Southern
  • China Southern
  • 17/2-24/2
  • 2 total stops
  • 67h 20m total
  • Seoul to London
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China Eastern
  • China Eastern
  • 22/3
  • 2 total stops
  • 29h 40m total
  • Seoul to London
Search Deals
High demand for flights, 6% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seoul to Heathrow

Cheapest flights from Seoul to Heathrow
Explore the most affordable flight options available from Seoul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2024.

Wed 25/1217:50ICN - LHR
1 stop33h 00mAir China
Sat 11/121:35LHR - ICN
1 stop30h 20mAir China
Deal found 20/12£393
Fri 27/1217:50ICN - LHR
1 stop31h 05mMultiple Airlines
Fri 10/121:10LHR - ICN
1 stop33h 30mMultiple Airlines
Deal found 20/12£410
Thu 26/1214:55ICN - LHR
1 stop37h 15mShenzhen Airlines
Wed 8/121:10LHR - ICN
1 stop33h 30mShenzhen Airlines
Deal found 19/12£441
Sun 29/1211:55ICN - LHR
1 stop28h 45mKLM
Sun 5/120:25LHR - ICN
1 stop35h 30mKLM
Deal found 21/12£463
Mon 23/1200:20ICN - LHR
1 stop39h 25mEtihad Airways
Thu 9/109:00LHR - ICN
1 stop28h 15mEtihad Airways
Deal found 21/12£471
Sun 29/1218:45ICN - LHR
2 stops32h 35mAir France
Tue 7/106:20LHR - ICN
1 stop18h 50mAir France
Deal found 21/12£504
Mon 30/1213:30ICN - LHR
2 stops28h 15mLufthansa
Mon 13/109:30LHR - ICN
1 stop16h 20mLufthansa
Deal found 21/12£539
Wed 25/1214:25GMP - LHR
1 stop34h 30mAir China
Sat 4/120:25LHR - GMP
1 stop31h 40mAir China
Deal found 21/12£549
Tue 24/1200:10ICN - LHR
1 stop29h 55mTurkish Airlines
Sun 29/1206:35LHR - ICN
1 stop26h 45mTurkish Airlines
Deal found 20/12£559
Sat 28/1223:00ICN - LHR
1 stop30h 40mFinnair
Sat 4/118:10LHR - ICN
1 stop33h 10mFinnair
Deal found 20/12£597
Thu 26/1212:05GMP - LHR
1 stop27h 20mJapan Airlines
Tue 31/1218:30LHR - GMP
1 stop18h 50mJapan Airlines
Deal found 21/12£752
Thu 26/1208:35GMP - LHR
2 stops44h 05mMultiple Airlines
Thu 2/121:30LHR - GMP
1 stop29h 55mMultiple Airlines
Deal found 21/12£873

Find flights from Seoul to Heathrow within your budget

Customise your flight search to find flights from Seoul to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 17/2

13:30-17:55

1 stop37h 25m

London Heathrow

Mon 24/2

21:30-12:25

1 stop29h 55m

£371

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 17/2

16:15-18:15

1 stop35h 00m

London Heathrow

Mon 24/2

21:30-22:15

1 stop15h 45m

£375

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 8/3

16:20-17:30

1 stop34h 10m

London Heathrow

Wed 12/3

17:50-11:55

1 stop33h 05m

£379

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 25/2

17:50-17:50

1 stop33h 00m

London Heathrow

Sat 1/3

21:35-12:55

1 stop30h 20m

£391

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 23/2

20:50-13:55

1 stop26h 05m

London Heathrow

Sun 2/3

21:00-11:00

1 stop29h 00m

£402

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 17/2

14:50-18:15

1 stop36h 25m

London Heathrow

Fri 28/2

21:00-11:15

2 stops29h 15m

£433

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 9/1

14:25-15:55

1 stop34h 30m

London Heathrow

Sat 11/1

20:25-13:05

1 stop31h 40m

£436

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 19/3

13:30-17:55

1 stop37h 25m

London Heathrow

Wed 26/3

21:00-11:00

1 stop29h 00m

£450

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 3/2

00:20-06:45

1 stop39h 25m

London Heathrow

Tue 18/2

09:00-22:15

1 stop28h 15m

£476

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 26/2

14:15-19:10

2 stops61h 55m

London Heathrow

Mon 3/3

21:10-13:15

2 stops31h 05m

£487

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 30 results
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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.

Travel insights for flights from Seoul to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from Seoul to Heathrow. Price data was last updated on 13 December 2024.

Booking 35 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 July is currently the most expensive (average of £160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEL to LHR?

Find hourly flight availability from Seoul to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 December 2024.

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 afternoon.

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 21 December 2024.

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

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 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

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

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 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

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 21 December 2024.
Peruse reviews from past customers who have flown with China Eastern, Air China and Etihad 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
1,265 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very Good
1,265 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

ANA
8.4
Very Good
844 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very Good
1,440 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Finnair
7.7
Good
1,282 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

LOT
7.6
Good
1,128 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.0

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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?

    China Southern, at £371, 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 50% 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 Eastern, with whom users have recently found tickets for as low as £181. However, be on the lookout for offers from Air China and Royal Brunei Airlines, 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: Virgin Atlantic (77%), Korean Air (55%), Asiana Airlines (14%).

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

    Looking at all options, your cheapest flight can be booked for £358. While the most popular route (Incheon Intl - London Heathrow) can be booked for £383 on average our data indicates £506 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 July is currently the most expensive (average of £160). 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

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Top 4 airlines flying from Seoul to Heathrow

Discover the top 4 airlines that operate flights from Seoul to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 December 2024.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£389Average£469FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£408Average£577FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£630Average£865FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£842Average£962FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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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.

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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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