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Cheap flights from London Heathrow Airport to Sierra Leone from £447

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FNA
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

£690

One-way from

£447

Popular in

December

Cheapest in

September

Average price

£819
Brussels Airlines
  • Brussels Airlines
  • 5/9-5/10
  • 4 total stops
  • 68h 30m total
  • London to Sierra Leone
27/7
  • 27/7
  • 3 total stops
  • 58h 35m total
  • London to Sierra Leone
Highest demand for flights based on searches. 7% potential increase in price (£45 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 13 June 2025.

Fri 5/919:15LHR - FNA
2 stops47h 10mMultiple Airlines
Sun 5/1018:45FNA - LHR
2 stops21h 20mMultiple Airlines
Deal found 11/6£690
Sun 24/820:05LHR - FNA
2 stops22h 20mSWISS
Tue 2/918:45FNA - LHR
3 stops26h 00mSWISS
Deal found 11/6£692
Fri 5/906:50LHR - FNA
1 stop11h 35mBrussels Airlines
Sun 5/1018:45FNA - LHR
2 stops14h 30mBrussels Airlines
Deal found 11/6£695
Mon 15/918:55LHR - FNA
2 stops30h 30mTurkish Airlines
Sun 14/1201:25FNA - LHR
2 stops14h 35mTurkish Airlines
Deal found 12/6£793
Sat 29/1117:10LHR - FNA
1 stop11h 10mRoyal Air Maroc
Fri 6/205:20FNA - LHR
1 stop10h 30mRoyal Air Maroc
Deal found 11/6£869
Sat 29/1117:25LHR - FNA
2 stops24h 05mKenya Airways
Fri 6/208:05FNA - LHR
2 stops31h 25mKenya Airways
Deal found 11/6£907

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Sierra Leone 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 13 June 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Sierra Leone that are best for you.

Fly from

Heathrow

Fly to

Sierra Leone

Route

Depart

Return

Price

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 5/9

19:15-17:25

2 stops47h 10m

Freetown Lungi Intl

Sun 5/10

18:45-17:05

2 stops21h 20m

£690

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sun 24/8

20:05-17:25

2 stops22h 20m

Freetown Lungi Intl

Tue 2/9

18:45-21:45

3 stops26h 00m

£692

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 5/9

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Sun 5/10

18:45-10:15

2 stops14h 30m

£695

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 7/7

18:30-00:25

2 stops30h 55m

Freetown Lungi Intl

Thu 24/7

01:25-22:25

2 stops20h 00m

£818

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 6/9

11:45-17:30

3 stops30h 45m

Freetown Lungi Intl

Sun 5/10

18:30-19:25

3 stops23h 55m

£974

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 29/7

18:10-06:00

1 stop12h 50m

Freetown Lungi Intl

Wed 1/10

06:50-17:45

1 stop9h 55m

£1,028

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 16/6

21:00-17:20

2 stops21h 20m

Freetown Lungi Intl

Mon 30/6

09:00-17:00

2 stops31h 00m

£1,098

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sun 27/7

22:00-07:35

3 stops58h 35m

£447

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 18/8

20:05-17:25

2 stops22h 20m

£554

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 18/8

11:05-17:25

1 stop31h 20m

£559

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 12 results
1
2

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?

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 13 June 2025.

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.

Rainfall in Sierra Leone by month

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

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.

Temperature in Sierra Leone by month

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

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).

Reviews of airlines servicing Sierra Leone

Get insights into the airlines that provide service to Sierra Leone. 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 Sierra Leone. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with SWISS, Brussels Airlines and Turkish Airlines from London to Sierra Leone to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Food

7.0

Boarding

7.6

Entertainment

6.7

Overall

7.5

Comfort

7.4

Crew

8.2

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

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?

    For one-way options, check prices for SWISS. According to our data, you can fly for as low as £554. Users have also found prices from £559 and £724 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

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

Discover the top 6 airlines that operate flights from Heathrow to Sierra Leone. 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest£560Average£779FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£577Average£708FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Royal Air MarocCheapest£639Average£871FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Turkish AirlinesCheapest£712Average£802FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Ethiopian AirCheapest£715Average£1,075FlexibilityNo cancel feeOn-time72%
Search Ethiopian Air flights
Kenya AirwaysCheapest£802Average£937FlexibilityNo cancel feeOn-time82%
Search Kenya Airways flights

Fly with Cheapflights

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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?

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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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