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Cheap flights from London Heathrow Airport to Sierra Leone from £402

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FNA
22 Jul — 29 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 22 June 2026.

Wed 21/1006:50
LHR
-
FNA
1 stop11h 35m
Multiple Airlines
Wed 4/1120:10
FNA
-
LHR
3 stops16h 50m
Multiple Airlines
Deal found 19/6£757
Sat 20/620:05
LHR
-
FNA
2 stops22h 20m
Multiple Airlines
Sun 13/918:45
FNA
-
LHR
2 stops21h 20m
Multiple Airlines
Deal found 18/6£758
Thu 12/1119:30
LHR
-
FNA
2 stops23h 10m
Multiple Airlines
Fri 11/1220:10
FNA
-
LHR
2 stops13h 55m
Multiple Airlines
Deal found 19/6£765
Thu 2/720:05
LHR
-
FNA
2 stops22h 20m
SWISS
Sun 6/918:45
FNA
-
LHR
3 stops44h 40m
SWISS
Deal found 19/6£769
Sat 27/620:05
LHR
-
FNA
2 stops22h 20m
SWISS
Sun 6/918:45
FNA
-
LHR
3 stops36h 10m
SWISS
Deal found 20/6£770
Sat 4/720:05
LHR
-
FNA
2 stops22h 20m
SWISS
Sun 20/918:45
FNA
-
LHR
3 stops44h 40m
SWISS
Deal found 21/6£771
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 21/6£773
Thu 2/720:05
LHR
-
FNA
2 stops22h 20m
Multiple Airlines
Sun 6/918:45
FNA
-
LHR
2 stops25h 50m
Multiple Airlines
Deal found 19/6£778
Sat 27/620:05
LHR
-
FNA
2 stops22h 20m
Multiple Airlines
Sun 6/918:45
FNA
-
LHR
2 stops21h 20m
Multiple Airlines
Deal found 20/6£778
Sat 4/720:05
LHR
-
FNA
2 stops22h 20m
Multiple Airlines
Sun 20/918:45
FNA
-
LHR
2 stops21h 20m
Multiple Airlines
Deal found 21/6£780
Fri 16/1006:50
LHR
-
FNA
1 stop11h 35m
Multiple Airlines
Fri 20/1120:10
FNA
-
LHR
3 stops16h 50m
Multiple Airlines
Deal found 19/6£781

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 22 June 2026.

Round-trip from

£757

One-way from

£402

Popular in

December

Cheapest in

February

Average price

£757
SWISS
  • SWISS
  • 21/10-4/11
  • 4 total stops
  • 28h 25m total
  • London to Sierra Leone
Search Deals
17/9
  • 17/9
  • 2 total stops
  • 22h 40m total
  • London to Sierra Leone
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£50 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 22 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 12/11

19:30-18:40

2 stops23h 10m

Freetown Lungi Intl

Fri 11/12

20:10-10:05

2 stops13h 55m

£765
Fastest return journey

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 21/11

17:10-04:20

1 stop11h 10m

Freetown Lungi Intl

Wed 30/12

05:20-17:00

1 stop11h 40m

£769

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

£782

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 4/7

20:05-17:25

2 stops22h 20m

Freetown Lungi Intl

Sun 13/9

18:45-17:05

2 stops21h 20m

£784

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Sat 4/7

11:05-17:25

1 stop31h 20m

Freetown Lungi Intl

Sun 20/9

18:45-17:05

2 stops21h 20m

£1,009

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 24/11

06:50-18:40

1 stop11h 50m

Freetown Lungi Intl

Tue 30/3

18:45-10:15

2 stops14h 30m

£1,074

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Thu 16/7

19:15-17:25

2 stops23h 10m

Freetown Lungi Intl

Sun 19/7

18:45-10:15

2 stops14h 30m

£1,130

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 3/7

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Sun 5/7

18:45-10:15

2 stops14h 30m

£1,176

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Fri 14/8

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Sun 30/8

18:45-17:05

2 stops21h 20m

£1,207

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Tue 4/8

06:50-17:25

1 stop11h 35m

Freetown Lungi Intl

Tue 11/8

18:45-10:15

2 stops14h 30m

£1,297

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 20 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sierra Leone (average of £483). Flying from London Heathrow Airport to Sierra Leone in January is currently the most expensive (average of £681). 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 22 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
1,971 reviews
Check prices

Food

7.1

Boarding

7.7

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.
SWISS
7.5
Good
1,971 reviews
SWISS
7.5
Good
1,971 reviews
Check prices

Food

7.1

Boarding

7.7

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.
Turkish Airlines
7.4
Good
4,412 reviews
SWISS
7.5
Good
1,971 reviews
Check prices

Food

7.1

Boarding

7.7

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.
Brussels Airlines
7.2
Good
413 reviews
SWISS
7.5
Good
1,971 reviews
Check prices

Food

7.1

Boarding

7.7

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.
Ethiopian Air
7.2
Good
1,007 reviews
SWISS
7.5
Good
1,971 reviews
Check prices

Food

7.1

Boarding

7.7

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.
Royal Air Maroc
6.2
Okay
618 reviews
SWISS
7.5
Good
1,971 reviews
Check prices

Food

7.1

Boarding

7.7

Crew

8.3

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

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 Royal Air Maroc fly from London Heathrow Airport to Sierra Leone in about 11h 10m. 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 £483). Flying from London Heathrow Airport to Sierra Leone in January is currently the most expensive (average of £681). 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

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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 5 airlines flying from Heathrow to Sierra Leone

Discover the top 5 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 22 June 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£660Average£847FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Brussels AirlinesCheapest£683Average£914FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Royal Air MarocCheapest£690Average£920FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Turkish AirlinesCheapest£778Average£1,023FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Ethiopian AirCheapest£799Average£1,279FlexibilityNo cancel feeOn-time72%
Search Ethiopian Air 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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