Cheap flights from Sierra Leone to London from £438

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LON
27 Jan — 3 Feb1
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 28 December 2025.

Wed 31/1220:10FNA - LHR
3 stops16h 50mMultiple Airlines
Wed 14/117:50LHR - FNA
1 stop24h 35mMultiple Airlines
Deal found 25/12£802
Wed 31/1220:10FNA - LHR
3 stops35h 55mSWISS
Wed 14/112:05LHR - FNA
2 stops30h 20mSWISS
Deal found 25/12£807
Mon 29/1219:45FNA - LHR
2 stops21h 20mBrussels Airlines
Fri 16/111:05LHR - FNA
1 stop31h 35mBrussels Airlines
Deal found 28/12£823
Wed 31/1220:10FNA - LHR
2 stops20h 55mBrussels Airlines
Wed 14/117:50LHR - FNA
1 stop24h 35mBrussels Airlines
Deal found 25/12£841
Wed 31/1220:10FNA - LGW
3 stops21h 40mSWISS
Wed 14/118:40LGW - FNA
2 stops23h 45mSWISS
Deal found 25/12£842
Wed 31/1205:20FNA - STN
1 stop25h 00mRoyal Air Maroc
Wed 14/107:20STN - FNA
1 stop21h 00mRoyal Air Maroc
Deal found 25/12£851
Mon 29/1205:20FNA - LHR
1 stop10h 20mRoyal Air Maroc
Fri 16/117:10LHR - FNA
1 stop11h 05mRoyal Air Maroc
Deal found 28/12£863
Mon 29/1219:45FNA - LHR
2 stops21h 20mMultiple Airlines
Fri 16/106:00LHR - FNA
2 stops36h 40mMultiple Airlines
Deal found 28/12£883
Wed 31/1205:20FNA - LHR
1 stop11h 40mRoyal Air Maroc
Wed 14/118:00LHR - FNA
1 stop10h 20mRoyal Air Maroc
Deal found 25/12£886
Mon 29/1219:45FNA - LHR
3 stops15h 30mSWISS
Fri 16/106:00LHR - FNA
2 stops36h 40mSWISS
Deal found 28/12£899
Wed 31/1217:05FNA - LGW
2 stops15h 25mMultiple Airlines
Wed 14/116:10LGW - FNA
1 stop12h 10mMultiple Airlines
Deal found 25/12£1,088
Wed 31/1205:20FNA - LGW
1 stop9h 50mRoyal Air Maroc
Wed 14/116:10LGW - FNA
1 stop12h 10mRoyal Air Maroc
Deal found 25/12£1,091

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 28 December 2025.

Round-trip from

£716

One-way from

£438

Popular in

August

Cheapest in

February

Average price

£660

Good one-way deal

£491 or less
Brussels Airlines
  • Brussels Airlines
  • 14/3-28/3
  • 3 total stops
  • 51h 15m total
  • Sierra Leone to London
Kenya Airways
  • Kenya Airways
  • 26/1
  • 2 total stops
  • 31h 25m total
  • Sierra Leone to London
Highest demand for flights based on searches. 5% potential increase in price (£36 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a one-way flight from Sierra Leone to London (LON).

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 28 December 2025.
Use the filters below to find and compare flights from Sierra Leone to London that are best for you.

Fly from

Sierra Leone

Fly to

London

Route

Depart

Return

Price

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 14/3

20:10-17:05

2 stops20h 55m

London Heathrow

Sat 28/3

11:05-17:25

1 stop30h 20m

£716

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 14/3

20:10-17:05

2 stops20h 55m

London Heathrow

Sat 28/3

20:05-17:25

2 stops21h 20m

£720

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 26/1

08:05-15:30

2 stops31h 25m

London Heathrow

Thu 5/2

17:25-17:30

2 stops24h 05m

£734

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 14/3

20:10-16:20

3 stops44h 10m

London Heathrow

Sat 28/3

20:05-17:25

2 stops21h 20m

£736

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/2

19:45-13:00

3 stops17h 15m

London Heathrow

Mon 16/2

06:50-18:25

1 stop11h 35m

£774

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/2

19:45-10:05

2 stops14h 20m

London Heathrow

Mon 16/2

06:50-18:25

1 stop11h 35m

£791

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/2

19:45-11:15

3 stops15h 30m

London Heathrow

Mon 16/2

13:45-18:40

2 stops28h 55m

£798

FreetownLondon

FNA - LGW

FNALGW

Freetown Lungi Intl

Mon 9/2

19:45-17:50

3 stops22h 05m

London Gatwick

Mon 16/2

18:40-18:40

2 stops24h 00m

£805

FreetownLondon

FNA - LGW

FNALGW

Freetown Lungi Intl

Mon 9/2

10:55-18:40

Nonstop7h 45m

London Gatwick

Mon 16/2

06:55-07:35

2 stops24h 40m

£819

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 26/1

08:05-15:30

2 stops31h 25m

London Heathrow

Thu 5/2

10:00-17:30

3 stops31h 30m

£820

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 55 results
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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, February is the cheapest month in which you can book a flight from Sierra Leone to London (average of £611). Flying from Sierra Leone to London in April is currently the most expensive (average of £812). 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 28 December 2025.
See what other customers who have flown with Brussels Airlines, Kenya Airways, andRoyal 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.

Entertainment

6.1

Overall

7.2

Food

6.2

Crew

7.9

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Entertainment

6.1

Overall

7.2

Food

6.2

Crew

7.9

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Entertainment

6.1

Overall

7.2

Food

6.2

Crew

7.9

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Entertainment

6.1

Overall

7.2

Food

6.2

Crew

7.9

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

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 20h 55m. 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 Brussels Airlines (£459), Royal Air Maroc (£466), and Kenya Airways (£485).

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

  • 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, February is the cheapest month in which you can book a flight from Sierra Leone to London (average of £611). Flying from Sierra Leone to London in April is currently the most expensive (average of £812). 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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Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Sierra Leone to London

Discover the top 3 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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£611Average£623FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£638Average£753FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Ethiopian AirCheapest£761Average£784FlexibilityNo cancel feeOn-time72%
Search Ethiopian Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sierra Leone to London?

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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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