Cheap flights from London Heathrow Airport to Sierra Leone from £309

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FNA
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

£659

One-way from

£309

Popular in

December

Cheapest in

October

Average price

£727
Brussels Airlines
  • Brussels Airlines
  • 12/10-6/12
  • 3 total stops
  • 25h 30m total
  • London to Sierra Leone
18/1
  • 18/1
  • 2 total stops
  • 36h 45m total
  • London to Sierra Leone
Highest demand for flights based on searches. 9% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in September 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 12 September 2025.

Sun 12/1006:50LHR - FNA
1 stop11h 35mBrussels Airlines
Sat 6/1220:10FNA - LHR
2 stops13h 55mBrussels Airlines
Deal found 9/9£659
Wed 15/1006:50LHR - FNA
1 stop11h 35mBrussels Airlines
Sat 15/1120:10FNA - LHR
2 stops13h 55mBrussels Airlines
Deal found 10/9£661
Sun 12/1008:55LHR - FNA
2 stops33h 30mSWISS
Sat 6/1220:10FNA - LHR
3 stops39h 05mSWISS
Deal found 9/9£662
Wed 15/1007:45LHR - FNA
1 stop10h 40mBrussels Airlines
Wed 22/1018:45FNA - LHR
2 stops21h 20mBrussels Airlines
Deal found 10/9£663
Wed 15/1020:05LHR - FNA
2 stops46h 20mMultiple Airlines
Sat 15/1120:10FNA - LHR
2 stops25h 10mMultiple Airlines
Deal found 10/9£664
Thu 23/1020:05LHR - FNA
2 stops22h 20mMultiple Airlines
Sat 1/1120:10FNA - LHR
2 stops25h 10mMultiple Airlines
Deal found 10/9£671
Tue 14/1007:45LHR - FNA
1 stop10h 40mBrussels Airlines
Tue 21/1018:45FNA - LHR
2 stops21h 20mBrussels Airlines
Deal found 10/9£678
Thu 16/1020:05LHR - FNA
2 stops22h 20mSWISS
Wed 5/1120:10FNA - LHR
3 stops16h 50mSWISS
Deal found 11/9£681
Wed 22/1006:50LHR - FNA
1 stop11h 35mBrussels Airlines
Thu 30/1019:45FNA - LHR
2 stops14h 20mBrussels Airlines
Deal found 10/9£682
Tue 7/1018:40LHR - FNA
2 stops23h 45mMultiple Airlines
Wed 22/1018:45FNA - LHR
2 stops25h 50mMultiple Airlines
Deal found 11/9£687

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 12 September 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

Tue 13/1

06:50-18:40

1 stop11h 50m

Freetown Lungi Intl

Thu 12/2

19:45-17:05

2 stops21h 20m

£692

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 25/10

11:05-18:40

1 stop32h 35m

Freetown Lungi Intl

Sat 1/11

20:10-17:05

2 stops20h 55m

£730

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 13/1

06:35-00:25

2 stops17h 50m

Freetown Lungi Intl

Thu 12/2

01:25-14:10

2 stops36h 45m

£794

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 16/1

16:45-00:25

2 stops31h 40m

Freetown Lungi Intl

Tue 10/2

01:25-14:55

2 stops37h 30m

£794

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 13/1

06:35-00:25

2 stops17h 50m

Freetown Lungi Intl

Tue 10/2

01:25-14:10

2 stops36h 45m

£794

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 8/10

18:20-00:30

2 stops31h 10m

Freetown Lungi Intl

Sat 18/10

01:30-22:25

2 stops19h 55m

£803

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 17/1

06:35-00:25

2 stops17h 50m

Freetown Lungi Intl

Thu 12/2

01:25-21:05

2 stops19h 40m

£804

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Thu 16/10

06:00-17:25

2 stops36h 25m

Freetown Lungi Intl

Wed 5/11

20:10-21:20

2 stops25h 10m

£807

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 11/2

06:50-18:40

1 stop11h 50m

Freetown Lungi Intl

Wed 11/3

20:10-17:05

2 stops20h 55m

£826

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 11/2

06:50-18:40

1 stop11h 50m

Freetown Lungi Intl

Tue 10/3

20:10-17:05

2 stops20h 55m

£826

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 19 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 12 September 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.

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 12 September 2025.
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.

Comfort

7.4

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

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

Comfort

7.4

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

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

Comfort

7.4

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

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

Comfort

7.4

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

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

Comfort

7.4

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

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

Comfort

7.4

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.2

Boarding

7.7

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

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?

    Airlines like Brussels Airlines and Turkish Airlines fly from London Heathrow Airport to Sierra Leone in about 11h 50m. The time it takes to get you to your destination can typically vary by up to 6h. 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

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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£581Average£714FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Brussels AirlinesCheapest£609Average£795FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Royal Air MarocCheapest£685Average£892FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Turkish AirlinesCheapest£715Average£802FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Ethiopian AirCheapest£717Average£1,110FlexibilityNo cancel feeOn-time72%
Search Ethiopian Air flights
Kenya AirwaysCheapest£884Average£995FlexibilityNo cancel feeOn-time82%
Search Kenya Airways flights

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?

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.