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Cheap flights from London Heathrow Airport to Sierra Leone from £353

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FNA
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Sierra Leone

Enter your travel dates to find the best prices.

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 14 July 2026.

Sat 31/1019:30
LHR
-
FNA
2 stops23h 10m
Multiple Airlines
Sun 8/1120:10
FNA
-
LHR
2 stops20h 55m
Multiple Airlines
Deal found 12/7£747
Sat 31/1011:05
LHR
-
FNA
1 stop31h 35m
Brussels Airlines
Sun 8/1120:10
FNA
-
LHR
2 stops20h 55m
Brussels Airlines
Deal found 12/7£748
Sat 19/911:05
LHR
-
FNA
1 stop31h 20m
Brussels Airlines
Tue 29/918:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Deal found 13/7£749
Tue 1/920:05
LHR
-
FNA
2 stops22h 20m
SWISS
Sun 11/1018:45
FNA
-
LHR
3 stops15h 35m
SWISS
Deal found 11/7£755
Thu 17/906:50
LHR
-
FNA
1 stop11h 25m
Brussels Airlines
Thu 1/1018:35
FNA
-
LHR
2 stops21h 30m
Brussels Airlines
Deal found 13/7£757
Fri 25/906:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Fri 30/1020:10
FNA
-
LHR
2 stops25h 10m
Brussels Airlines
Deal found 11/7£757
Tue 25/806:50
LHR
-
FNA
1 stop11h 35m
Multiple Airlines
Tue 15/918:45
FNA
-
LHR
3 stops20h 50m
Multiple Airlines
Deal found 10/7£760
Sat 21/1117:10
LHR
-
FNA
1 stop11h 10m
Royal Air Maroc
Wed 30/1205:20
FNA
-
LHR
1 stop11h 40m
Royal Air Maroc
Deal found 13/7£762
Tue 8/920:05
LHR
-
FNA
2 stops22h 20m
Multiple Airlines
Mon 28/918:35
FNA
-
LHR
2 stops14h 40m
Multiple Airlines
Deal found 12/7£763
Wed 12/817:50
LHR
-
FNA
1 stop24h 25m
Brussels Airlines
Fri 11/918:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Deal found 12/7£765
Wed 12/820:05
LHR
-
FNA
2 stops22h 10m
Multiple Airlines
Fri 11/918:45
FNA
-
LHR
2 stops14h 30m
Multiple Airlines
Deal found 12/7£766
Thu 27/806:50
LHR
-
FNA
1 stop11h 25m
Multiple Airlines
Thu 10/918:35
FNA
-
LHR
3 stops46h 15m
Multiple Airlines
Deal found 11/7£766

Find 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 14 July 2026.

Round-trip from

£747

One-way from

£353

Popular in

December

Cheapest in

February

Average price

£993
Brussels Airlines
  • Brussels Airlines
  • 31/10-8/11
  • 4 total stops
  • 44h 05m total
  • London to Sierra Leone
Search Deals
20/8
  • 20/8
  • 2 total stops
  • 22h 40m total
  • London to Sierra Leone
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£46 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 14 July 2026.
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 - FNA

LHRFNA

London Heathrow

Tue 25/8

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Tue 15/9

18:45-16:35

3 stops20h 50m

£760

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sun 6/9

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Fri 11/9

18:45-21:35

2 stops25h 50m

£775

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 11/9

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Thu 24/9

18:35-13:40

3 stops18h 05m

£859
Fastest return journey

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 4/1

06:50-18:25

1 stop11h 35m

Freetown Lungi Intl

Mon 18/1

19:45-11:15

3 stops15h 30m

£963

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 29/12

20:05-18:40

2 stops22h 35m

Freetown Lungi Intl

Tue 26/1

20:10-10:05

2 stops13h 55m

£1,015

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sun 9/8

11:05-17:15

1 stop31h 10m

Freetown Lungi Intl

Sun 16/8

18:45-17:05

2 stops21h 20m

£1,160

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 3/8

19:15-17:25

2 stops23h 10m

Freetown Lungi Intl

Mon 17/8

18:35-10:15

2 stops14h 40m

£1,160

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 5/8

17:50-17:15

1 stop24h 25m

Freetown Lungi Intl

Wed 12/8

05:25-16:50

1 stop10h 25m

£1,175

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sun 26/7

11:05-17:15

1 stop31h 10m

Freetown Lungi Intl

Thu 27/8

18:35-17:05

2 stops21h 30m

£1,213

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 27/7

20:05-17:25

2 stops22h 20m

Freetown Lungi Intl

Mon 10/8

18:35-17:05

2 stops21h 30m

£1,228

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £478). Flying from London Heathrow Airport to Sierra Leone in January is currently the most expensive (average of £674). 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

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 14 July 2026.
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
2,004 reviews
Check prices

Crew

8.3

Overall

7.5

Comfort

7.4

Entertainment

6.8

Food

7.1

Boarding

7.7

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
2,004 reviews
SWISS
7.5
Good
2,004 reviews
Check prices

Crew

8.3

Overall

7.5

Comfort

7.4

Entertainment

6.8

Food

7.1

Boarding

7.7

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
4,444 reviews
SWISS
7.5
Good
2,004 reviews
Check prices

Crew

8.3

Overall

7.5

Comfort

7.4

Entertainment

6.8

Food

7.1

Boarding

7.7

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
422 reviews
SWISS
7.5
Good
2,004 reviews
Check prices

Crew

8.3

Overall

7.5

Comfort

7.4

Entertainment

6.8

Food

7.1

Boarding

7.7

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
624 reviews
SWISS
7.5
Good
2,004 reviews
Check prices

Crew

8.3

Overall

7.5

Comfort

7.4

Entertainment

6.8

Food

7.1

Boarding

7.7

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

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 fly from London Heathrow Airport to Sierra Leone in about 11h 35m. The time it takes to get you to your destination can typically vary by up to . The distance between London Heathrow Airport and Sierra Leone is about 3046 mi.

  • 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £478). Flying from London Heathrow Airport to Sierra Leone in January is currently the most expensive (average of £674). 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

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Alternative routes for Heathrow to Sierra Leone

See prices for flight routes from nearby airports that may be better suited for you.
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Stansted to Agadir flights
Heathrow to Algiers flights
Luton to Cairo flights
Stansted to Port Louis flights
Gatwick to Hurghada flights
Stansted to Harare flights
Stansted to Algiers flights
Heathrow to Entebbe flights
Heathrow to Agadir flights
Gatwick to Sharm el-Sheikh flights
Luton to Hurghada flights
Luton to OR Tambo flights
Luton to Jomo Kenyatta Intl flights

Top 4 airlines flying from Heathrow to Sierra Leone

Discover the top 4 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 14 July 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£653Average£831FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Brussels AirlinesCheapest£677Average£899FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Royal Air MarocCheapest£684Average£929FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Turkish AirlinesCheapest£794Average£985FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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.

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