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

For one-way options, check prices for SWISS. According to our data, you can fly for as low as £472. Users have also found prices from £474 and £509 on Brussels Airlines and Turkish Airlines, respectively.

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 55 days in advance, which can save you up to 36% on flights from London Heathrow Airport to Sierra Leone compared to booking the week you need them. Waiting 55 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 £777. For sooner than that we have options available in the next 3 days from £922.

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, September can be a great choice for travel to Sierra Leone. Flights to Sierra Leone from London Heathrow Airport in September are about £790 on average during September, but can be found for as low as £542.

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.

£811+ Flights from London Heathrow Airport to Sierra Leone

Cheap flight deals from Heathrow to Sierra Leone

Round-trip from	£696
One-way from	£431
Popular in	December
Cheapest in	September
Average price	£939

SWISS
4/9-10/9
5 total stops
43h 00m total
London to Sierra Leone

Search Deals

16/8
3 total stops
34h 05m total
London to Sierra Leone

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 3 July 2025.

Thu 4/920:05LHR - FNA

2 stops22h 20mSWISS

Wed 10/918:45FNA - LHR

3 stops20h 40mSWISS

Deal found 1/7£696

Mon 15/906:50LHR - FNA

1 stop11h 35mBrussels Airlines

Mon 15/1219:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 1/7£722

Sat 29/1118:00LHR - FNA

1 stop10h 20mRoyal Air Maroc

Fri 6/205:20FNA - LHR

1 stop10h 30mRoyal Air Maroc

Deal found 1/7£730

Thu 4/920:05LHR - FNA

2 stops22h 20mMultiple Airlines

Wed 10/918:45FNA - LHR

2 stops25h 10mMultiple Airlines

Deal found 1/7£733

Mon 15/918:55LHR - FNA

2 stops30h 30mTurkish Airlines

Sun 14/1201:25FNA - LHR

2 stops14h 35mTurkish Airlines

Deal found 1/7£809

Sat 29/1117:25LHR - FNA

2 stops24h 05mKenya Airways

Fri 6/218:30FNA - LHR

2 stops21h 00mKenya Airways

Deal found 1/7£882

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 3 July 2025.

Thu 4/920:05LHR - FNA

2 stops22h 20mSWISS

Wed 10/918:45FNA - LHR

3 stops20h 40mSWISS

Deal found 1/7£696

Mon 15/906:50LHR - FNA

1 stop11h 35mBrussels Airlines

Mon 15/1219:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 1/7£722

Sat 29/1118:00LHR - FNA

1 stop10h 20mRoyal Air Maroc

Fri 6/205:20FNA - LHR

1 stop10h 30mRoyal Air Maroc

Deal found 1/7£730

Thu 4/920:05LHR - FNA

2 stops22h 20mMultiple Airlines

Wed 10/918:45FNA - LHR

2 stops25h 10mMultiple Airlines

Deal found 1/7£733

Mon 15/918:55LHR - FNA

2 stops30h 30mTurkish Airlines

Sun 14/1201:25FNA - LHR

2 stops14h 35mTurkish Airlines

Deal found 1/7£809

Sat 29/1117:25LHR - FNA

2 stops24h 05mKenya Airways

Fri 6/218:30FNA - LHR

2 stops21h 00mKenya Airways

Deal found 1/7£882

Last-minute flights from Heathrow to Sierra Leone
Discover last-minute flight deals from Heathrow to Sierra Leone. Data last updated 3 July 2025 and is based on user searches.

Wed 2/720:05LHR - FNA

2 stops46h 20mSWISS

Wed 9/718:45FNA - LHR

3 stops36h 30mSWISS

Deal found 1/7£803

Wed 9/707:45LHR - FNA

1 stop10h 40mBrussels Airlines

Wed 10/918:45FNA - LHR

2 stops21h 20mBrussels Airlines

Deal found 1/7£1,003

Wed 9/707:45LHR - FNA

1 stop10h 40mMultiple Airlines

Tue 9/918:45FNA - LHR

3 stops22h 05mMultiple Airlines

Deal found 1/7£1,032

Wed 9/720:05LHR - FNA

2 stops46h 20mSWISS

Tue 9/918:45FNA - LHR

3 stops23h 35mSWISS

Deal found 1/7£1,227

Wed 9/721:00LHR - FNA

2 stops20h 25mEthiopian Air

Tue 9/909:00FNA - LHR

2 stops21h 00mEthiopian Air

Deal found 2/7£1,483

Fri 11/719:05LHR - FNA

2 stops30h 25mTurkish Airlines

Thu 17/701:30FNA - LHR

2 stops19h 55mTurkish Airlines

Deal found 2/7£1,051

Fri 15/806:50LHR - FNA

1 stop11h 35mMultiple Airlines

Fri 22/818:45FNA - LHR

3 stops17h 15mMultiple Airlines

Deal found 1/7£925

Fri 15/807:45LHR - FNA

1 stop10h 40mBrussels Airlines

Fri 22/818:45FNA - LHR

2 stops25h 10mBrussels Airlines

Deal found 1/7£939

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 3 July 2025.

Sat 16/815:20LHR - FNA

3 stops34h 05mMultiple Airlines

Deal found 2/7£431

Mon 25/818:40LHR - FNA

2 stops23h 45mSWISS

Deal found 2/7£472

Fri 10/1007:45LHR - FNA

1 stop10h 40mBrussels Airlines

Deal found 2/7£474

Wed 5/1111:30LHR - FNA

2 stops36h 55mTurkish Airlines

Deal found 1/7£509

Wed 5/1117:35LHR - FNA

3 stops47h 55mKenya Airways

Deal found 1/7£597

Fri 10/1021:00LHR - FNA

3 stops20h 25mEthiopian Air

Deal found 1/7£934

Sat 20/1218:00LHR - FNA

1 stop10h 20mRoyal Air Maroc

Deal found 1/7£1,600

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

Thu 4/9

20:05-17:25

2 stops22h 20m

Freetown Lungi Intl

Wed 10/9

18:45-16:25

3 stops20h 40m

£696

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 15/9

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Mon 15/12

19:45-17:05

2 stops21h 20m

£722

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 29/11

18:00-04:20

1 stop10h 20m

Freetown Lungi Intl

Fri 6/2

05:20-15:50

1 stop10h 30m

£730

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Thu 4/9

20:05-17:25

2 stops22h 20m

Freetown Lungi Intl

Wed 10/9

18:45-20:55

2 stops25h 10m

£733

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 15/9

18:55-00:25

2 stops30h 30m

Freetown Lungi Intl

Sun 14/12

01:25-16:00

2 stops14h 35m

£809

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 29/11

17:25-17:30

2 stops24h 05m

Freetown Lungi Intl

Fri 6/2

18:30-15:30

2 stops21h 00m

£882

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 16/8

15:20-00:25

3 stops34h 05m

£431

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 25/8

18:40-17:25

2 stops23h 45m

£472

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 10/10

07:45-17:25

1 stop10h 40m

£474

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 5/11

11:30-00:25

2 stops36h 55m

£509

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 13 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

7.5

Good

1,654 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

SWISS

7.5

Good

1,654 reviews

SWISS

7.5

Good

1,654 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Turkish Airlines

7.3

Good

3,891 reviews

SWISS

7.5

Good

1,654 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Brussels Airlines

7.3

Good

352 reviews

SWISS

7.5

Good

1,654 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Ethiopian Air

7.2

Good

790 reviews

SWISS

7.5

Good

1,654 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Kenya Airways

6.9

Okay

266 reviews

SWISS

7.5

Good

1,654 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Sierra Leone one-way?
For one-way options, check prices for SWISS. According to our data, you can fly for as low as £472. Users have also found prices from £474 and £509 on Brussels Airlines and Turkish Airlines, respectively.
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

Alternative routes for Heathrow to Sierra Leone

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Top 6 airlines flying from Heathrow to Sierra Leone

Airline	Cheapest	Average	Flexibility	On-time
Brussels Airlines	Cheapest£559	Average£774	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
SWISS	Cheapest£573	Average£705	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Royal Air Maroc	Cheapest£633	Average£871	FlexibilityNo cancel fee	On-time75%	Search Royal Air Maroc flights
Turkish Airlines	Cheapest£708	Average£800	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Ethiopian Air	Cheapest£710	Average£1,054	FlexibilityNo cancel fee	On-time72%	Search Ethiopian Air flights
Kenya Airways	Cheapest£797	Average£943	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 £431

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 16/8. 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 3 July 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 3 July 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 3 July 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 3 July 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.

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

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 3 July 2025.