How long is the flight from London Heathrow Airport to Sierra Leone?

Airlines like SWISS and Brussels Airlines fly from London Heathrow Airport to Sierra Leone in about 10h 40m. The time it takes to get you to your destination can typically vary by up to 12h 30m. The distance between London Heathrow Airport and Sierra Leone is about 3046 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sierra Leone ranges from 0.0 - 590.0 inches per month. July is typically the wettest month, when rainfall can reach 590.0 mm. January is typically the driest time to visit Sierra Leone when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Sierra Leone, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 25.0 C).

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

Before booking your flight from London Heathrow Airport to Sierra Leone check out the most popular airlines for this route: Royal Air Maroc, Ethiopian Air or Kenya Airways.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 10% on flights from London Heathrow Airport to Sierra Leone compared to booking the week you need them. Waiting 28 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £746. For sooner than that we have options available in the next 3 days from £889.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Sierra Leone. Flights to Sierra Leone from London Heathrow Airport in October are about £796 on average during October, but can be found for as low as £572.

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

Yes. In addition to deals on Heathrow to Sierra Leone flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Sierra Leone?

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

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

Yes. Cheapflights offers flight deals from Heathrow to Sierra Leone by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£437+ Cheap Flights from London Heathrow Airport to Sierra Leone

Cheap flight deals from Heathrow to Sierra Leone

Round-trip from	£667
One-way from	£437
Popular in	December
Cheapest in	October
Average price	£783

Brussels Airlines
6/10-30/10
4 total stops
36h 40m total
London to Sierra Leone

Search Deals

8/9
3 total stops
34h 20m total
London to Sierra Leone

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Heathrow to Sierra Leone

Cheapest flights from Heathrow to Sierra Leone
Explore the most affordable flight options available from Heathrow to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Mon 6/1020:05LHR - FNA

2 stops22h 20mMultiple Airlines

Thu 30/1019:45FNA - LHR

2 stops14h 20mMultiple Airlines

Deal found 20/8£667

Fri 10/1007:45LHR - FNA

1 stop10h 40mBrussels Airlines

Fri 24/1018:45FNA - LHR

2 stops14h 30mBrussels Airlines

Deal found 21/8£668

Tue 28/1006:50LHR - FNA

1 stop11h 50mMultiple Airlines

Sun 30/1120:10FNA - LHR

3 stops16h 50mMultiple Airlines

Deal found 21/8£669

Wed 1/1007:45LHR - FNA

1 stop10h 40mBrussels Airlines

Thu 30/1019:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 21/8£671

Mon 6/1006:50LHR - FNA

1 stop11h 35mMultiple Airlines

Mon 20/1018:45FNA - LHR

3 stops39h 40mMultiple Airlines

Deal found 21/8£672

Tue 28/1020:05LHR - FNA

2 stops22h 35mSWISS

Sun 30/1120:10FNA - LHR

3 stops23h 05mSWISS

Deal found 21/8£675

Sun 5/1006:50LHR - FNA

1 stop11h 35mBrussels Airlines

Thu 30/1019:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 20/8£676

Mon 6/1006:50LHR - FNA

1 stop11h 35mBrussels Airlines

Thu 30/1019:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 20/8£679

Fri 7/1119:30LHR - FNA

2 stops23h 10mSWISS

Sun 7/1220:10FNA - LHR

3 stops35h 55mSWISS

Deal found 21/8£680

Wed 1/1007:45LHR - FNA

1 stop10h 40mMultiple Airlines

Thu 30/1019:45FNA - LHR

3 stops22h 05mMultiple Airlines

Deal found 21/8£681

Mon 25/820:05LHR - FNA

2 stops22h 20mSWISS

Sun 7/918:45FNA - LHR

3 stops47h 35mSWISS

Deal found 21/8£682

Best flights from Heathrow to Sierra Leone
Discover carefully curated flight deals from Heathrow to Sierra Leone that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2025.

Mon 6/1020:05LHR - FNA

2 stops22h 20mMultiple Airlines

Thu 30/1019:45FNA - LHR

2 stops14h 20mMultiple Airlines

Deal found 20/8£667

Sat 1/1119:30LHR - FNA

2 stops23h 10mSWISS

Sun 30/1120:10FNA - LHR

3 stops16h 50mSWISS

Deal found 21/8£668

Fri 10/1007:45LHR - FNA

1 stop10h 40mBrussels Airlines

Fri 24/1018:45FNA - LHR

2 stops14h 30mBrussels Airlines

Deal found 21/8£668

Tue 28/1006:50LHR - FNA

1 stop11h 50mMultiple Airlines

Sun 30/1120:10FNA - LHR

3 stops16h 50mMultiple Airlines

Deal found 21/8£669

Wed 1/1007:45LHR - FNA

1 stop10h 40mBrussels Airlines

Thu 30/1019:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 21/8£671

Tue 28/1020:05LHR - FNA

2 stops22h 35mSWISS

Sun 30/1120:10FNA - LHR

3 stops23h 05mSWISS

Deal found 21/8£675

Mon 6/1006:50LHR - FNA

1 stop11h 35mMultiple Airlines

Mon 20/1018:45FNA - LHR

3 stops39h 40mMultiple Airlines

Deal found 21/8£672

Sun 5/1006:50LHR - FNA

1 stop11h 35mBrussels Airlines

Thu 30/1019:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 20/8£676

Fri 14/1107:00LHR - FNA

2 stops35h 40mSWISS

Sun 30/1120:10FNA - LHR

3 stops39h 05mSWISS

Deal found 21/8£680

Mon 6/1006:50LHR - FNA

1 stop11h 35mBrussels Airlines

Thu 30/1019:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 20/8£679

Fri 7/1119:30LHR - FNA

2 stops23h 10mSWISS

Sun 7/1220:10FNA - LHR

3 stops35h 55mSWISS

Deal found 21/8£680

Fri 14/1111:05LHR - FNA

1 stop31h 35mMultiple Airlines

Sun 30/1120:10FNA - LHR

3 stops39h 05mMultiple Airlines

Deal found 21/8£681

Last-minute flights from Heathrow to Sierra Leone
Discover last-minute flight deals from Heathrow to Sierra Leone. Data last updated 22 August 2025 and is based on user searches.

Tue 26/818:40LHR - FNA

2 stops23h 45mSWISS

Sun 7/918:45FNA - LHR

3 stops36h 10mSWISS

Deal found 21/8£682

Tue 26/818:40LHR - FNA

2 stops23h 45mSWISS

Wed 3/918:45FNA - LHR

3 stops22h 45mSWISS

Deal found 21/8£710

Tue 26/820:05LHR - FNA

2 stops22h 20mSWISS

Mon 8/918:45FNA - LHR

3 stops15h 40mSWISS

Deal found 21/8£760

Tue 26/820:05LHR - FNA

2 stops22h 20mMultiple Airlines

Sun 7/918:45FNA - LHR

2 stops14h 30mMultiple Airlines

Deal found 21/8£766

Tue 26/820:05LHR - FNA

2 stops22h 20mSWISS

Tue 2/918:45FNA - LHR

3 stops36h 10mSWISS

Deal found 21/8£783

Tue 26/818:40LHR - FNA

2 stops23h 45mMultiple Airlines

Fri 26/918:45FNA - LHR

2 stops25h 50mMultiple Airlines

Deal found 21/8£815

Tue 26/817:10LHR - FNA

2 stops25h 15mSWISS

Fri 26/918:45FNA - LHR

3 stops22h 45mSWISS

Deal found 21/8£818

Tue 26/820:05LHR - FNA

2 stops22h 20mMultiple Airlines

Tue 2/918:45FNA - LHR

2 stops14h 30mMultiple Airlines

Deal found 21/8£890

Tue 26/820:05LHR - FNA

2 stops22h 20mMultiple Airlines

Mon 8/918:45FNA - LHR

2 stops14h 30mMultiple Airlines

Deal found 21/8£935

Wed 27/820:05LHR - FNA

2 stops46h 20mMultiple Airlines

Fri 5/918:45FNA - LHR

2 stops25h 50mMultiple Airlines

Deal found 21/8£800

Wed 27/818:40LHR - FNA

2 stops47h 45mSWISS

Fri 5/918:45FNA - LHR

3 stops49h 45mSWISS

Deal found 21/8£917

One-way flights from Heathrow to Sierra Leone
Search for one-way flight options from Heathrow to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated 22 August 2025.

Mon 8/922:15LHR - FNA

3 stops34h 20mMultiple Airlines

Deal found 21/8£437

Fri 10/1020:45LHR - FNA

3 stops28h 45mMultiple Airlines

Deal found 21/8£451

Fri 10/1007:45LHR - FNA

1 stop10h 40mBrussels Airlines

Deal found 21/8£493

Fri 10/1019:15LHR - FNA

2 stops47h 10mSWISS

Deal found 21/8£504

Wed 15/1006:50LHR - FNA

3 stops25h 45mMultiple Airlines

Deal found 21/8£510

Wed 5/1122:35LHR - FNA

2 stops25h 50mTurkish Airlines

Deal found 20/8£512

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 6/10

20:05-17:25

2 stops22h 20m

Freetown Lungi Intl

Thu 30/10

19:45-10:05

2 stops14h 20m

£667

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 1/11

19:30-18:40

2 stops23h 10m

Freetown Lungi Intl

Sun 30/11

20:10-13:00

3 stops16h 50m

£668

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 10/10

07:45-17:25

1 stop10h 40m

Freetown Lungi Intl

Fri 24/10

18:45-10:15

2 stops14h 30m

£668

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 28/10

06:50-18:40

1 stop11h 50m

Freetown Lungi Intl

Sun 30/11

20:10-13:00

3 stops16h 50m

£669

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 1/10

07:45-17:25

1 stop10h 40m

Freetown Lungi Intl

Thu 30/10

19:45-17:05

2 stops21h 20m

£671

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 6/10

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Mon 20/10

18:45-11:25

3 stops39h 40m

£672

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 28/10

20:05-18:40

2 stops22h 35m

Freetown Lungi Intl

Sun 30/11

20:10-19:15

3 stops23h 05m

£675

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sun 5/10

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Thu 30/10

19:45-17:05

2 stops21h 20m

£676

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 6/10

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Thu 30/10

19:45-17:05

2 stops21h 20m

£679

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 14/11

07:00-18:40

2 stops35h 40m

Freetown Lungi Intl

Sun 30/11

20:10-11:15

3 stops39h 05m

£680

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 18 results

Best time to book a flight from Heathrow to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Heathrow 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 London Heathrow Airport to Sierra Leone

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £883). Flying from London Heathrow Airport to Sierra Leone in December is currently the most expensive (average of £1,320). 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 SL?

When flying from London Heathrow Airport to Sierra Leone, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Sierra Leone

See what other customers who have flown with SWISS, Turkish Airlines, andBrussels Airlines from London Heathrow Airport to Sierra Leone have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.6

Good

1,702 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

SWISS

7.6

Good

1,702 reviews

SWISS

7.6

Good

1,702 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Turkish Airlines

7.3

Good

3,953 reviews

SWISS

7.6

Good

1,702 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Brussels Airlines

7.3

Good

350 reviews

SWISS

7.6

Good

1,702 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Ethiopian Air

7.2

Good

837 reviews

SWISS

7.6

Good

1,702 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Royal Air Maroc

6.1

Okay

503 reviews

SWISS

7.6

Good

1,702 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Related info for your journey

How long is the flight from London Heathrow Airport to Sierra Leone?
Airlines like SWISS and Brussels Airlines fly from London Heathrow Airport to Sierra Leone in about 10h 40m. The time it takes to get you to your destination can typically vary by up to 12h 30m. The distance between London Heathrow Airport and Sierra Leone is about 3046 mi. This flight may include one or multiple stops.
Can I find deals for flights from Heathrow to Sierra Leone that include hotel bookings?
Yes. In addition to deals on Heathrow to Sierra Leone flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Sierra Leone?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Sierra Leone.
Can I find deals for business class flights from Heathrow to Sierra Leone?
Yes. Cheapflights offers flight deals from Heathrow to Sierra Leone 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 Sierra Leone?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £883). Flying from London Heathrow Airport to Sierra Leone in December is currently the most expensive (average of £1,320). 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 6 airlines flying from Heathrow to Sierra Leone

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest£585	Average£719	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Brussels Airlines	Cheapest£596	Average£797	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Royal Air Maroc	Cheapest£682	Average£902	FlexibilityNo cancel fee	On-time75%	Search Royal Air Maroc flights
Turkish Airlines	Cheapest£720	Average£813	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Ethiopian Air	Cheapest£723	Average£1,087	FlexibilityNo cancel fee	On-time72%	Search Ethiopian Air flights
Kenya Airways	Cheapest£896	Average£1,003	FlexibilityNo cancel fee	On-time82%	Search Kenya Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Sierra Leone?

When you search for this flight from Heathrow to Sierra Leone, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Sierra Leone for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Sierra Leone with no change fees.

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

Not ready to book yet? You can track prices for flights from Heathrow to Sierra Leone on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from London Heathrow Airport to Sierra Leone from £437

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Sierra Leone

Keep the following information in mind while searching for Heathrow to Sierra Leone flight deals. Data was last updated 22 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Sierra Leone

Cheapest flights from Heathrow to Sierra LeoneExplore the most affordable flight options available from Heathrow to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Explore the most affordable flight options available from Heathrow to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Heathrow with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Heathrow to Sierra Leone. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 August 2025.

Reviews of airlines servicing Sierra Leone

See what other customers who have flown with SWISS, Turkish Airlines, andBrussels Airlines from London Heathrow Airport to Sierra Leone have to say. 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 Heathrow to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Heathrow Airport to Sierra Leone?

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

How can I find direct flights from Heathrow to Sierra Leone?

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

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

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 Sierra Leone

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

Top 6 airlines flying from Heathrow to Sierra Leone

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Sierra Leone?

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

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

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

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Cheapest flights from Heathrow to Sierra Leone
Explore the most affordable flight options available from Heathrow to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.