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Cheap flights from Sierra Leone to London from £456

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LON
11 May — 18 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sierra Leone to London

Enter your travel dates to find the best prices.

Cheapest flights from Sierra Leone to London
Explore the most affordable flight options available from Sierra Leone to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2026.

Sun 24/518:45
FNA
-
LHR
2 stops21h 20m
Brussels Airlines
Sun 31/506:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 9/4£702
Tue 26/518:40
FNA
-
LGW
2 stops35h 15m
Kenya Airways
Mon 15/611:00
LGW
-
FNA
2 stops31h 40m
Kenya Airways
Deal found 7/4£708
Tue 26/518:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Wed 30/906:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 9/4£715
Tue 26/518:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Mon 15/606:50
LHR
-
FNA
1 stop11h 25m
Brussels Airlines
Deal found 7/4£717
Tue 1/918:45
FNA
-
LHR
2 stops21h 20m
Brussels Airlines
Fri 11/906:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 7/4£718
Tue 23/618:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Tue 30/606:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 6/4£719
Sun 24/518:45
FNA
-
LHR
2 stops21h 20m
Multiple Airlines
Sun 31/506:00
LHR
-
FNA
2 stops36h 15m
Multiple Airlines
Deal found 9/4£728
Fri 12/618:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Fri 26/606:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 8/4£730
Tue 26/518:40
FNA
-
LHR
2 stops20h 35m
Kenya Airways
Mon 15/611:45
LHR
-
FNA
3 stops30h 55m
Kenya Airways
Deal found 7/4£732
Tue 19/518:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Sun 27/906:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 6/4£733
Tue 19/518:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Sun 11/1006:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 6/4£734
Mon 20/718:35
FNA
-
LHR
2 stops21h 30m
Brussels Airlines
Thu 3/906:50
LHR
-
FNA
1 stop11h 25m
Brussels Airlines
Deal found 9/4£738

Find flight deals from Sierra Leone to London

Keep the following information in mind while searching for Sierra Leone to London flight deals. Data was last updated 11 April 2026.

Round-trip from

£702

One-way from

£456

Popular in

August

Cheapest in

March

Average price

£930
Brussels Airlines
  • Brussels Airlines
  • 24/5-31/5
  • 3 total stops
  • 32h 55m total
  • Sierra Leone to London
Search Deals
Royal Air Maroc
  • Royal Air Maroc
  • 12/6
  • 1 total stop
  • 10h 25m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sierra Leone to London 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 11 April 2026.
Use the filters below to find and compare flights from Sierra Leone to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

FreetownLondon

FNA - LGW

FNALGW

Freetown Lungi Intl

Tue 26/5

18:40-06:55

2 stops35h 15m

London Gatwick

Mon 15/6

11:00-17:40

2 stops31h 40m

£708

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 1/9

18:45-21:35

2 stops25h 50m

London Heathrow

Fri 11/9

06:50-17:25

1 stop11h 35m

£724

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 12/6

18:45-21:35

2 stops25h 50m

London Heathrow

Fri 26/6

06:50-17:25

1 stop11h 35m

£730

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 26/5

18:40-16:15

2 stops20h 35m

London Heathrow

Mon 15/6

11:45-17:40

3 stops30h 55m

£732

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 1/9

18:45-07:55

3 stops36h 10m

London Heathrow

Fri 11/9

06:50-17:25

1 stop11h 35m

£739

FreetownLondon

FNA - LGW

FNALGW

Freetown Lungi Intl

Thu 7/5

08:05-06:50

2 stops45h 45m

London Gatwick

Thu 21/5

11:00-17:40

2 stops31h 40m

£742

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 12/6

18:45-19:20

3 stops47h 35m

London Heathrow

Fri 26/6

20:05-17:25

2 stops46h 20m

£758

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 23/6

18:45-21:35

2 stops25h 50m

London Heathrow

Tue 30/6

18:40-17:25

2 stops23h 45m

£773

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 23/6

18:45-21:30

3 stops25h 45m

London Heathrow

Tue 30/6

18:40-17:25

2 stops23h 45m

£797

FreetownLondon

FNA - LCY

FNALCY

Freetown Lungi Intl

Tue 1/9

18:45-17:25

3 stops21h 40m

London City

Fri 11/9

19:15-17:25

2 stops47h 10m

£804

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Sierra Leone to London

Have a flexible travel schedule? Discover the best time to fly to London from Sierra Leone 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 Sierra Leone to London

What is the cheapest month to book a flight from Sierra Leone to London?

Currently, June is the cheapest month in which you can book a flight from Sierra Leone to London (average of £485). Flying from Sierra Leone to London in February is currently the most expensive (average of £756). 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 11 April 2026.
See what other customers who have flown with Brussels Airlines and Royal Air Maroc from Sierra Leone to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Brussels Airlines
7.2
Good
400 reviews
Check prices

Entertainment

6.2

Boarding

7.3

Comfort

7.0

Overall

7.2

Crew

7.9

Food

6.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Brussels Airlines
7.2
Good
400 reviews
Brussels Airlines
7.2
Good
400 reviews
Check prices

Entertainment

6.2

Boarding

7.3

Comfort

7.0

Overall

7.2

Crew

7.9

Food

6.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Royal Air Maroc
6.2
Okay
587 reviews
Brussels Airlines
7.2
Good
400 reviews
Check prices

Entertainment

6.2

Boarding

7.3

Comfort

7.0

Overall

7.2

Crew

7.9

Food

6.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.

Related info for your journey

Find useful and relevant information for your journey from Sierra Leone to London. 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 Sierra Leone to London?

    Departing from Sierra Leone to London will take you 25h 50m. Airlines will cover a distance of 3046 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Sierra Leone to London one-way?

    The cheapet airlines for a one-way flight from Sierra Leone to London are Kenya Airways (£447), Brussels Airlines (£461), and Royal Air Maroc (£463).

  • What are the most popular routes from Sierra Leone to London?

    The most popular route from Sierra Leone to London is Freetown Lungi Intl - London Gatwick. You may also consider Freetown Lungi Intl - London Heathrow or Freetown Lungi Intl - London Stansted.

  • Can I find deals for flights from Sierra Leone to London that include hotel bookings?

    Yes. In addition to deals on Sierra Leone to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sierra Leone to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sierra Leone to London.

  • Can I find deals for business class flights from Sierra Leone to London?

    Yes. Cheapflights offers flight deals from Sierra Leone to London 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 Sierra Leone to London?

    Currently, June is the cheapest month in which you can book a flight from Sierra Leone to London (average of £485). Flying from Sierra Leone to London in February is currently the most expensive (average of £756). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Sierra Leone to London

Discover the top 2 airlines that operate flights from Sierra Leone to London. 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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest£663Average£775FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Royal Air MarocCheapest£700Average£722FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc 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 Sierra Leone to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sierra Leone to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Sierra Leone to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Sierra Leone.

Can Cheapflights find flights from Sierra Leone to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sierra Leone to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sierra Leone to London become cheaper?

Not ready to book yet? You can track prices for flights from Sierra Leone to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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