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, Brussels Airlines or SWISS.

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.

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.

£373+ Cheap Flights from London Heathrow Airport to Sierra Leone

Cheap flight deals from Heathrow to Sierra Leone

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 30 September 2026.

Thu 12/1117:10 -

1 stop11h 10m

Wed 25/1105:20 -

1 stop11h 40m

Deal found 28/9£713

Sat 24/1018:50 -

1 stop10h 30m

Wed 9/1205:20 -

1 stop10h 30m

Deal found 28/9£717

Mon 26/1020:05 -

2 stops22h 35m

Wed 11/1120:10 -

3 stops16h 50m

Deal found 27/9£719

Tue 3/1120:05 -

2 stops22h 35m

Tue 17/1120:10 -

3 stops16h 50m

Deal found 28/9£721

Sat 7/1117:10 -

1 stop11h 10m

Sun 22/1105:20 -

1 stop10h 30m

Deal found 26/9£725

Tue 10/1120:05 -

2 stops22h 35m

Tue 8/1220:10 -

3 stops16h 50m

Deal found 27/9£726

Tue 10/1117:10 -

1 stop11h 10m

Wed 25/1105:20 -

1 stop10h 30m

Deal found 28/9£727

Tue 10/1120:05 -

2 stops22h 35m

Tue 17/1120:10 -

3 stops16h 50m

Deal found 26/9£728

Mon 2/1120:05 -

2 stops22h 35m

Wed 2/1220:10 -

3 stops16h 50m

Deal found 25/9£737

Tue 27/1020:05 -

2 stops22h 35m

Wed 9/1220:10 -

3 stops16h 50m

Deal found 29/9£738

Tue 3/1120:05 -

2 stops22h 35m

Wed 11/1120:10 -

3 stops16h 50m

Deal found 27/9£742

Find flight deals from Heathrow to Sierra Leone

Round-trip from	£713
One-way from	£373
Popular in	December
Cheapest in	February
Average price	£784

Royal Air Maroc
12/11-25/11
2 total stops
22h 50m total
London to Sierra Leone

Search Deals

31/12-31/12
2 total stops
34h 30m total
London to Sierra Leone

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£32 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

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

Cheapest return flight

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Thu 31/12

20:50-07:20

2 stops34h 30m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£373

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Tue 15/12

20:50-07:20

2 stops34h 30m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£406

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Tue 22/12

20:50-07:20

2 stops34h 30m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£463

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Mon 28/12

20:50-07:20

2 stops34h 30m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£477

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Mon 30/11

14:45-04:20

3 stops37h 35m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£483

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Mon 5/10

15:30-07:20

3 stops16h 50m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£484

Fastest return journey

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Mon 28/12

17:15-04:20

1 stop11h 05m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£511

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Thu 31/12

17:15-04:20

1 stop11h 05m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£512

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Thu 24/12

18:00-04:20

2 stops34h 20m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£537

LondonFreetown

LHR London Heathrow - FNA Freetown Lungi Intl

LHRFNA

London Heathrow

Mon 9/11

19:30-18:40

2 stops23h 10m

Freetown Lungi Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£571

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 21 resultsSorted by cheapest first

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.

LHR-FNA

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

LHR-SL0

LHR-FNA

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £749). Flying from London Heathrow Airport to Sierra Leone in December is currently the most expensive (average of £1,164). 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.

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

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sierra Leone. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Catherine,Sept 2023

JFK - ZRH

Appalling lines at security NYC (1 hour) and at passport control in Zurich (1.25 hours). Little leg room. Pretty good food tho!

SWISS

7.5

Good

2,087 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Catherine,Sept 2023

JFK - ZRH

Appalling lines at security NYC (1 hour) and at passport control in Zurich (1.25 hours). Little leg room. Pretty good food tho!

Turkish Airlines

7.4

Good

4,452 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Catherine,Sept 2023

JFK - ZRH

Appalling lines at security NYC (1 hour) and at passport control in Zurich (1.25 hours). Little leg room. Pretty good food tho!

Brussels Airlines

7.2

Good

433 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Catherine,Sept 2023

JFK - ZRH

Appalling lines at security NYC (1 hour) and at passport control in Zurich (1.25 hours). Little leg room. Pretty good food tho!

Kenya Airways

6.7

Okay

326 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Catherine,Sept 2023

JFK - ZRH

Appalling lines at security NYC (1 hour) and at passport control in Zurich (1.25 hours). Little leg room. Pretty good food tho!

Royal Air Maroc

6.2

Okay

628 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Catherine,Sept 2023

JFK - ZRH

Appalling lines at security NYC (1 hour) and at passport control in Zurich (1.25 hours). Little leg room. Pretty good food tho!

Related info for your journey

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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £749). Flying from London Heathrow Airport to Sierra Leone in December is currently the most expensive (average of £1,164). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Heathrow to Sierra Leone

Heathrow to Lagos flights

Gatwick to Lagos flights

Heathrow to Cape Town flights

Heathrow to OR Tambo flights

Heathrow to Jomo Kenyatta Intl flights

Heathrow to Accra flights

Heathrow to Marrakech flights

London City to Lagos flights

Stansted to Lagos flights

Heathrow to Cairo flights

Gatwick to Accra flights

Gatwick to Jomo Kenyatta Intl flights

Gatwick to Cape Town flights

Gatwick to Marrakech flights

Gatwick to OR Tambo flights

London City to Cape Town flights

London City to OR Tambo flights

Stansted to OR Tambo flights

Stansted to Cape Town flights

Stansted to Marrakech flights

Gatwick to Port Louis flights

Stansted to Jomo Kenyatta Intl flights

Stansted to Accra flights

London City to Accra flights

London City to Jomo Kenyatta Intl flights

Heathrow to Abuja flights

Luton to Lagos flights

Gatwick to Cairo flights

Stansted to Cairo flights

Luton to Marrakech flights

London City to Cairo flights

Heathrow to Port Louis flights

Gatwick to Algiers flights

London City to Marrakech flights

Luton to Jomo Kenyatta Intl flights

Gatwick to Entebbe flights

Heathrow to Entebbe flights

Luton to Cairo flights

Heathrow to Harare flights

Luton to Accra flights

Heathrow to Algiers flights

Stansted to Port Louis flights

Stansted to Algiers flights

Stansted to Entebbe flights

Gatwick to Hurghada flights

Luton to OR Tambo flights

Heathrow to Casablanca flights

Gatwick to Harare flights

Gatwick to Sharm el-Sheikh flights

Luton to Sharm el-Sheikh flights

Top 5 airlines flying from Heathrow to Sierra Leone

Airline	Cheapest	Average	Flexibility	On-time
Kenya Airways	Cheapest£479	Average£956	FlexibilityNo cancel fee	On-time82%	Search Kenya Airways flights
SWISS	Cheapest£668	Average£845	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Royal Air Maroc	Cheapest£691	Average£934	FlexibilityNo cancel fee	On-time75%	Search Royal Air Maroc flights
Brussels Airlines	Cheapest£705	Average£950	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Turkish Airlines	Cheapest£778	Average£996	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Sierra Leone from £373

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. 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

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 30 September 2026.

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 30 September 2026.

Best flights from Heathrow to Sierra LeoneDiscover 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 30 September 2026.

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 30 September 2026.

Last-minute flights from Heathrow to Sierra LeoneDiscover last-minute flight deals from Heathrow to Sierra Leone. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Sierra Leone. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Heathrow to Sierra LeoneSearch for one-way flight options from Heathrow to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Heathrow to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Find flight deals from Heathrow to Sierra Leone

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

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

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

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sierra Leone. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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.

Complete your trip

Complete your trip to Sierra Leone by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to Sierra Leone by cabin class

Find flights from Heathrow to Sierra Leone, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Sierra Leone flights

Browse other Heathrow and Sierra Leone flight options. Last updated on 30 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Heathrow to Sierra Leone flights

Consider these flights travelling from Heathrow to Sierra Leone.

Top 5 airlines flying from Heathrow to Sierra Leone

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 30 September 2026.

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 30 September 2026.

Last-minute flights from Heathrow to Sierra Leone
Discover last-minute flight deals from Heathrow to Sierra Leone. Data last updated 30 September 2026 and is based on user searches.

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 30 September 2026.