Cheap flights from Sierra Leone to London from £457

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sierra Leone to London departing on 29/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sierra Leone to London

Recent return flight deals from Sierra Leone to London

Enter your travel dates to find the best prices.
Brussels Airlines Logo
20:10 - 10:05
FNA
-
LHR
13h 55m
2 stops
Brussels Airlines Logo
06:50 - 18:40
LHR
-
FNA
11h 50m
1 stop
£656Brussels Airlines
Tue, 10 Mar - Tue, 17 Mar
Brussels Airlines Logo
18:45 - 17:05
FNA
-
LHR
21h 20m
2 stops
Brussels Airlines Logo
06:50 - 17:25
LHR
-
FNA
11h 35m
1 stop
£674Brussels Airlines
Wed, 29 Jul - Wed, 26 Aug
Kenya Airways Logo
08:05 - 15:30
FNA
-
LHR
31h 25m
2 stops
Kenya Airways Logo
18:25 - 18:00
LHR
-
FNA
24h 35m
2 stops
£677Kenya Airways
Wed, 25 Mar - Mon, 4 May
Multiple Airlines Logo
20:10 - 13:00
FNA
-
LHR
16h 50m
3 stops
Multiple Airlines Logo
06:50 - 18:40
LHR
-
FNA
11h 50m
1 stop
£678Multiple Airlines
Tue, 10 Mar - Tue, 17 Mar
Royal Air Maroc Logo
05:20 - 15:50
FNA
-
LHR
10h 30m
1 stop
Royal Air Maroc Logo
17:10 - 04:20
LHR
-
FNA
11h 10m
1 stop
£693Royal Air Maroc
Sun, 1 Mar - Tue, 17 Mar
Multiple Airlines Logo
18:45 - 21:30
FNA
-
LHR
25h 45m
3 stops
Multiple Airlines Logo
06:50 - 17:25
LHR
-
FNA
11h 35m
1 stop
£699Multiple Airlines
Wed, 5 Aug - Wed, 2 Sep
Brussels Airlines Logo
19:35 - 10:05
FNA
-
LHR
14h 30m
2 stops
Brussels Airlines Logo
06:50 - 18:15
LHR
-
FNA
11h 25m
1 stop
£700Brussels Airlines
Mon, 9 Mar - Thu, 19 Mar
Brussels Airlines Logo
20:10 - 17:05
FNA
-
LHR
20h 55m
2 stops
Brussels Airlines Logo
11:05 - 18:40
LHR
-
FNA
31h 35m
1 stop
£703Brussels Airlines
Sat, 21 Feb - Sat, 21 Mar
SWISS Logo
20:10 - 13:00
FNA
-
LHR
16h 50m
3 stops
SWISS Logo
20:05 - 18:40
LHR
-
FNA
22h 35m
2 stops
£704SWISS
Tue, 10 Mar - Tue, 17 Mar
Brussels Airlines Logo
19:35 - 21:20
FNA
-
LHR
25h 45m
2 stops
Brussels Airlines Logo
06:50 - 18:15
LHR
-
FNA
11h 25m
1 stop
£711Brussels Airlines
Mon, 9 Mar - Thu, 19 Mar

Kenya Airways flights from Sierra Leone to London Heathrow Airport

Our best Kenya Airways deals on Sierra Leone to London Heathrow Airport flight tickets
Kenya Airways
25 Mar
FNA08:05Freetown Lungi Intl
31h 25m
2 stops
LHR15:30London Heathrow
4 May
LHR18:25London Heathrow
24h 35m
2 stops
FNA18:00Freetown Lungi Intl
£677
Kenya Airways
1 Apr
FNA08:05Freetown Lungi Intl
31h 10m
2 stops
LHR16:15London Heathrow
20 Apr
LHR18:25London Heathrow
24h 35m
2 stops
FNA18:00Freetown Lungi Intl
£718
Kenya Airways
31 Mar
FNA18:40Freetown Lungi Intl
20h 35m
2 stops
LHR16:15London Heathrow
18 Apr
LHR18:25London Heathrow
24h 15m
2 stops
FNA17:40Freetown Lungi Intl
£724

Royal Air Maroc flights from Sierra Leone to London Heathrow Airport

Our best Royal Air Maroc deals on Sierra Leone to London Heathrow Airport flight tickets
Royal Air Maroc
1 Mar
FNA05:20Freetown Lungi Intl
10h 30m
1 stop
LHR15:50London Heathrow
17 Mar
LHR17:10London Heathrow
11h 10m
1 stop
FNA04:20Freetown Lungi Intl
£693
Royal Air Maroc
1 Apr
FNA05:25Freetown Lungi Intl
11h 20m
1 stop
LHR17:45London Heathrow
14 Apr
LHR18:10London Heathrow
11h 15m
1 stop
FNA04:25Freetown Lungi Intl
£714
Royal Air Maroc
1 Apr
FNA05:25Freetown Lungi Intl
11h 20m
1 stop
LHR17:45London Heathrow
21 Apr
LHR18:10London Heathrow
11h 15m
1 stop
FNA04:25Freetown Lungi Intl
£717

momondo Fare Finder

 
Customise your flight search to find flights from Sierra Leone to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 10 February 2026.
Use the filters below to find and compare flights from Sierra Leone to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 10/3

20:10-10:05

2 stops13h 55m

London Heathrow

Tue 17/3

06:50-18:40

1 stop11h 50m

£656

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 29/7

18:45-17:05

2 stops21h 20m

London Heathrow

Wed 26/8

06:50-17:25

1 stop11h 35m

£674

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 25/3

08:05-15:30

2 stops31h 25m

London Heathrow

Mon 4/5

18:25-18:00

2 stops24h 35m

£677

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 10/3

20:10-13:00

3 stops16h 50m

London Heathrow

Tue 17/3

06:50-18:40

1 stop11h 50m

£678

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sun 1/3

05:20-15:50

1 stop10h 30m

London Heathrow

Tue 17/3

17:10-04:20

1 stop11h 10m

£693

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 5/8

18:45-21:30

3 stops25h 45m

London Heathrow

Wed 2/9

06:50-17:25

1 stop11h 35m

£699

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/3

19:35-10:05

2 stops14h 30m

London Heathrow

Thu 19/3

06:50-18:15

1 stop11h 25m

£700

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 21/2

20:10-17:05

2 stops20h 55m

London Heathrow

Sat 21/3

11:05-18:40

1 stop31h 35m

£703

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 10/3

20:10-13:00

3 stops16h 50m

London Heathrow

Tue 17/3

20:05-18:40

2 stops22h 35m

£704

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/3

19:35-21:20

2 stops25h 45m

London Heathrow

Thu 19/3

06:50-18:15

1 stop11h 25m

£711

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Sierra Leone to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Sierra Leone to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £641. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Sierra Leone averaging around £669.

Can stopping save me money on Sierra Leone to London Heathrow Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Sierra Leone to London Heathrow Airport flight.

Cheap Sierra Leone to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sierra Leone to London Heathrow Airport

Fastest flight time

13h 55m

Direct flights

None
The fastest flight from Sierra Leone to London Heathrow Airport takes 13h 55m
There are no direct flights from Sierra Leone to London Heathrow Airport. There are no popular flight routes from Sierra Leone to London Heathrow Airport.
  • When did momondo last update prices for flights from Sierra Leone to London Heathrow Airport?

    Prices for flights from Sierra Leone to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sierra Leone to London Heathrow Airport?

  • How old do you have to be to fly from Sierra Leone to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sierra Leone to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Sierra Leone to London Heathrow Airport

Compare and see reviews for airlines that fly from Sierra Leone to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Royal Air MarocPriceFrom £605Free CancellationRating
6.2
573 reviews
Search Royal Air Maroc flights
Brussels AirlinesPriceFrom £650Free CancellationRating
7.2
384 reviews
Search Brussels Airlines flights

Travelling to a place near London?

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Gatwick
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Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Poole
Chelmsford
Hayes
Wembley
Dover
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Sierra Leone to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sierra Leone to London for you.

Can I find flights from Sierra Leone to London with flexible booking policies on momondo?

Flights from Sierra Leone to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sierra Leone to London?

momondo provides multiple filters to help you find the best flight to London from Sierra Leone. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sierra Leone to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Sierra Leone. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Thu 12/3
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