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Cheap flights from London Heathrow Airport to Sierra Leone from £426

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FNA
4 Jul — 11 Jul1
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 4 June 2026.

Wed 2/920:05
LHR
-
FNA
2 stops22h 10m
Multiple Airlines
Tue 13/1018:45
FNA
-
LHR
2 stops14h 30m
Multiple Airlines
Deal found 1/6£732
Wed 14/1020:05
LHR
-
FNA
2 stops46h 20m
SWISS
Sun 8/1120:10
FNA
-
LHR
3 stops16h 50m
SWISS
Deal found 31/5£733
Fri 9/1006:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Wed 14/1018:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Deal found 31/5£734
Tue 18/820:05
LHR
-
FNA
2 stops46h 10m
SWISS
Tue 29/918:45
FNA
-
LHR
3 stops22h 05m
SWISS
Deal found 30/5£735
Wed 2/906:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Tue 13/1018:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Deal found 1/6£736
Sat 21/1120:05
LHR
-
FNA
2 stops22h 35m
SWISS
Wed 9/1220:10
FNA
-
LHR
3 stops49h 30m
SWISS
Deal found 2/6£737
Tue 8/920:05
LHR
-
FNA
2 stops22h 20m
SWISS
Mon 14/918:35
FNA
-
LHR
3 stops15h 45m
SWISS
Deal found 31/5£738
Sat 20/618:10
LHR
-
FNA
1 stop11h 15m
Royal Air Maroc
Sun 13/905:25
FNA
-
LHR
1 stop10h 25m
Royal Air Maroc
Deal found 30/5£739
Tue 18/820:05
LHR
-
FNA
2 stops46h 10m
Multiple Airlines
Tue 29/918:45
FNA
-
LHR
2 stops14h 30m
Multiple Airlines
Deal found 30/5£743
Sat 17/1019:15
LHR
-
FNA
2 stops23h 10m
Multiple Airlines
Wed 28/1020:10
FNA
-
LHR
2 stops20h 55m
Multiple Airlines
Deal found 31/5£745

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 4 June 2026.

Round-trip from

£732

One-way from

£426

Popular in

December

Cheapest in

February

Average price

£763
Brussels Airlines
  • Brussels Airlines
  • 2/9-13/10
  • 4 total stops
  • 36h 40m total
  • London to Sierra Leone
Search Deals
14/7
  • 14/7
  • 2 total stops
  • 22h 40m total
  • London to Sierra Leone
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 4 June 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

Thu 15/10

17:50-17:25

1 stop24h 35m

Freetown Lungi Intl

Wed 28/10

20:10-17:05

2 stops20h 55m

£748

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 16/10

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Fri 20/11

20:10-16:20

3 stops20h 10m

£780

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 21/11

11:05-18:40

1 stop31h 35m

Freetown Lungi Intl

Wed 9/12

20:10-10:05

2 stops13h 55m

£797

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 15/6

06:50-17:15

1 stop11h 25m

Freetown Lungi Intl

Mon 22/6

18:35-13:00

3 stops17h 25m

£930

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 11/11

16:35-00:20

2 stops31h 45m

Freetown Lungi Intl

Sat 21/11

01:20-16:20

2 stops15h 00m

£947

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Wed 1/7

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Wed 8/7

18:45-17:05

2 stops21h 20m

£1,037

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 24/11

06:50-18:40

1 stop11h 50m

Freetown Lungi Intl

Mon 4/1

19:45-17:05

2 stops21h 20m

£1,104

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 1/8

11:05-17:25

1 stop31h 20m

Freetown Lungi Intl

Fri 14/8

18:45-17:50

3 stops22h 05m

£1,118

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 1/8

11:05-17:25

1 stop31h 20m

Freetown Lungi Intl

Fri 14/8

18:45-21:35

2 stops25h 50m

£1,220
Fastest return journey

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 1/8

18:10-04:25

1 stop11h 15m

Freetown Lungi Intl

Fri 14/8

05:25-16:50

1 stop10h 25m

£1,228

Flights are sorted by cheapest return flights first.

Deals found on 30/5

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 £475). Flying from London Heathrow Airport to Sierra Leone in January is currently the most expensive (average of £669). 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 19 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 4 June 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
1,964 reviews
Check prices

Entertainment

6.8

Boarding

7.7

Crew

8.3

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Katerina,Sept 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
SWISS
7.5
Good
1,964 reviews
SWISS
7.5
Good
1,964 reviews
Check prices

Entertainment

6.8

Boarding

7.7

Crew

8.3

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Katerina,Sept 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Turkish Airlines
7.4
Good
4,408 reviews
SWISS
7.5
Good
1,964 reviews
Check prices

Entertainment

6.8

Boarding

7.7

Crew

8.3

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Katerina,Sept 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Brussels Airlines
7.2
Good
409 reviews
SWISS
7.5
Good
1,964 reviews
Check prices

Entertainment

6.8

Boarding

7.7

Crew

8.3

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Katerina,Sept 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Royal Air Maroc
6.2
Okay
614 reviews
SWISS
7.5
Good
1,964 reviews
Check prices

Entertainment

6.8

Boarding

7.7

Crew

8.3

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Katerina,Sept 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.

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 24h 35m. The time it takes to get you to your destination can typically vary by up to 7h 10m. 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £475). Flying from London Heathrow Airport to Sierra Leone in January is currently the most expensive (average of £669). 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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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 4 June 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£648Average£802FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Brussels AirlinesCheapest£670Average£881FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Royal Air MarocCheapest£679Average£903FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Turkish AirlinesCheapest£766Average£981FlexibilityNo 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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