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Cheap flights from Sierra Leone to London from £563

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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Kenya Airways Logo
08:05 - 15:30
FNA
-
LHR
31h 25m2 stops
Kenya Airways Logo
17:25 - 17:30
LHR
-
FNA
24h 05m2 stops
£711Kenya Airways
Thu, 12 Mar - Mon, 16 Mar
Brussels Airlines Logo
20:10 - 17:05
FNA
-
LHR
20h 55m2 stops
Brussels Airlines Logo
11:05 - 18:40
LHR
-
FNA
31h 35m1 stop
£730Brussels Airlines
Tue, 30 Dec - Mon, 5 Jan
Brussels Airlines Logo
20:10 - 10:05
FNA
-
LHR
13h 55m2 stops
Brussels Airlines Logo
11:05 - 18:40
LHR
-
FNA
31h 35m1 stop
£737Brussels Airlines
Tue, 16 Dec - Sat, 3 Jan
Multiple Airlines Logo
19:45 - 10:05
FNA
-
LHR
14h 20m2 stops
Multiple Airlines Logo
06:00 - 18:40
LHR
-
FNA
36h 40m2 stops
£738Multiple Airlines
Mon, 15 Dec - Tue, 23 Dec
Multiple Airlines Logo
20:10 - 17:05
FNA
-
LHR
20h 55m2 stops
Multiple Airlines Logo
14:25 - 18:40
LHR
-
FNA
28h 15m2 stops
£750Multiple Airlines
Tue, 30 Dec - Mon, 5 Jan
SWISS Logo
19:45 - 21:40
FNA
-
LHR
25h 55m3 stops
SWISS Logo
06:00 - 18:40
LHR
-
FNA
36h 40m2 stops
£753SWISS
Mon, 15 Dec - Tue, 23 Dec
Multiple Airlines Logo
20:10 - 21:40
FNA
-
LHR
25h 30m3 stops
Multiple Airlines Logo
11:05 - 18:40
LHR
-
FNA
31h 35m1 stop
£758Multiple Airlines
Tue, 16 Dec - Sat, 3 Jan
Brussels Airlines Logo
19:45 - 10:05
FNA
-
LHR
14h 20m2 stops
Brussels Airlines Logo
06:50 - 18:40
LHR
-
FNA
11h 50m1 stop
£784Brussels Airlines
Thu, 18 Dec - Wed, 7 Jan
SWISS Logo
20:10 - 18:40
FNA
-
LHR
22h 30m3 stops
SWISS Logo
17:25 - 18:40
LHR
-
FNA
25h 15m2 stops
£787SWISS
Tue, 30 Dec - Mon, 5 Jan
SWISS Logo
20:10 - 21:40
FNA
-
LHR
25h 30m3 stops
SWISS Logo
06:00 - 18:40
LHR
-
FNA
36h 40m2 stops
£791SWISS
Tue, 16 Dec - Sat, 3 Jan

SWISS flights from Sierra Leone to London Heathrow Airport

Our best SWISS deals on Sierra Leone to London Heathrow Airport flight tickets
SWISS
15 Dec
FNA19:45Freetown Lungi Intl
25h 55m
3 stops
LHR21:40London Heathrow
23 Dec
LHR06:00London Heathrow
36h 40m
2 stops
FNA18:40Freetown Lungi Intl
£753
Find similar
SWISS
30 Dec
FNA20:10Freetown Lungi Intl
22h 30m
3 stops
LHR18:40London Heathrow
5 Jan
LHR17:25London Heathrow
25h 15m
2 stops
FNA18:40Freetown Lungi Intl
£787
Find similar
SWISS
16 Dec
FNA20:10Freetown Lungi Intl
25h 30m
3 stops
LHR21:40London Heathrow
3 Jan
LHR06:00London Heathrow
36h 40m
2 stops
FNA18:40Freetown Lungi Intl
£791
Find similar

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
16 Dec
FNA05:20Freetown Lungi Intl
10h 20m
1 stop
LHR15:40London Heathrow
3 Jan
LHR17:10London Heathrow
11h 10m
1 stop
FNA04:20Freetown Lungi Intl
£795
Find similar
Royal Air Maroc
10 Dec
FNA05:20Freetown Lungi Intl
10h 30m
1 stop
LHR15:50London Heathrow
29 Dec
LHR17:10London Heathrow
11h 10m
1 stop
FNA04:20Freetown Lungi Intl
£816
Find similar
Royal Air Maroc
10 Dec
FNA05:20Freetown Lungi Intl
10h 30m
1 stop
LHR15:50London Heathrow
29 Dec
LHR17:10London Heathrow
11h 10m
1 stop
FNA04:20Freetown Lungi Intl
£817
Find similar

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 4 December 2025.
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

Thu 12/3

08:05-15:30

2 stops31h 25m

London Heathrow

Mon 16/3

17:25-17:30

2 stops24h 05m

£711

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 30/12

20:10-17:05

2 stops20h 55m

London Heathrow

Mon 5/1

11:05-18:40

1 stop31h 35m

£730

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 16/12

20:10-10:05

2 stops13h 55m

London Heathrow

Sat 3/1

11:05-18:40

1 stop31h 35m

£737

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 15/12

19:45-10:05

2 stops14h 20m

London Heathrow

Tue 23/12

06:00-18:40

2 stops36h 40m

£738

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 30/12

20:10-17:05

2 stops20h 55m

London Heathrow

Mon 5/1

14:25-18:40

2 stops28h 15m

£750

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 15/12

19:45-21:40

3 stops25h 55m

London Heathrow

Tue 23/12

06:00-18:40

2 stops36h 40m

£753

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 16/12

20:10-21:40

3 stops25h 30m

London Heathrow

Sat 3/1

11:05-18:40

1 stop31h 35m

£758

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 18/12

19:45-10:05

2 stops14h 20m

London Heathrow

Wed 7/1

06:50-18:40

1 stop11h 50m

£784

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 30/12

20:10-18:40

3 stops22h 30m

London Heathrow

Mon 5/1

17:25-18:40

2 stops25h 15m

£787

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 16/12

20:10-21:40

3 stops25h 30m

London Heathrow

Sat 3/1

06:00-18:40

2 stops36h 40m

£791

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 £625. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Sierra Leone averaging around £684.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Sierra Leone is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £776. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £1,339.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Sierra Leone to London Heathrow Airport in the evening for as low as £831. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £863 on average. Flights to London Heathrow Airport from Sierra Leone in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You could potentially save up to 24% 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

10h 30m

Direct flights

None
The fastest flight from Sierra Leone to London Heathrow Airport takes 10h 30m
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.
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  • 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 £619Free CancellationRating
6.2
532 reviews
Search Royal Air Maroc flights
Brussels AirlinesPriceFrom £646Free CancellationRating
7.2
373 reviews
Search Brussels Airlines flights
Ethiopian AirPriceFrom £770Free CancellationRating
7.2
903 reviews
Search Ethiopian Air flights

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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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