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Cheap flights from Sierra Leone to London Heathrow Airport from £446

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
25 Jan — 1 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sierra Leone to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Sierra Leone to Heathrow
Explore the most affordable flight options available from Sierra Leone to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

Mon 29/1219:45FNA - LHR
3 stops15h 30mMultiple Airlines
Fri 16/106:50LHR - FNA
1 stop11h 50mMultiple Airlines
Deal found 25/12£773
Mon 29/1219:45FNA - LHR
3 stops15h 30mSWISS
Fri 16/119:30LHR - FNA
2 stops23h 10mSWISS
Deal found 25/12£800
Wed 31/1220:10FNA - LHR
3 stops16h 50mMultiple Airlines
Wed 14/117:50LHR - FNA
1 stop24h 35mMultiple Airlines
Deal found 25/12£801
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 stops25h 35mBrussels Airlines
Fri 16/117:50LHR - FNA
1 stop24h 50mBrussels Airlines
Deal found 25/12£830
Wed 31/1220:10FNA - LHR
2 stops20h 55mBrussels Airlines
Wed 14/117:50LHR - FNA
1 stop24h 35mBrussels Airlines
Deal found 25/12£841
Wed 31/1205:20FNA - LHR
1 stop11h 40mRoyal Air Maroc
Wed 14/118:00LHR - FNA
1 stop10h 20mRoyal Air Maroc
Deal found 25/12£885
Mon 29/1205:20FNA - LHR
1 stop10h 20mRoyal Air Maroc
Fri 16/117:10LHR - FNA
1 stop11h 05mRoyal Air Maroc
Deal found 25/12£964

Find flight deals from Sierra Leone to Heathrow

Keep the following information in mind while searching for Sierra Leone to Heathrow flight deals. Data was last updated 26 December 2025.

Round-trip from

£725

One-way from

£446

Popular in

August

Cheapest in

February

Average price

£660
Brussels Airlines
  • Brussels Airlines
  • 14/3-28/3
  • 3 total stops
  • 55h 30m total
  • Sierra Leone to London
Search Deals
Kenya Airways
  • Kenya Airways
  • 23/2
  • 2 total stops
  • 31h 25m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sierra Leone to Heathrow 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 26 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

Sierra Leone

Fly to

Heathrow

Route

Depart

Return

Price

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 14/3

20:10-21:20

2 stops25h 10m

London Heathrow

Sat 28/3

11:05-17:25

1 stop30h 20m

£725

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 14/3

20:10-17:50

3 stops45h 40m

London Heathrow

Sat 28/3

11:05-17:25

1 stop30h 20m

£729

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 10/2

08:05-15:30

2 stops31h 25m

London Heathrow

Wed 25/2

17:50-17:30

3 stops47h 40m

£853

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 10/2

20:10-10:05

2 stops13h 55m

London Heathrow

Wed 25/2

06:50-18:40

1 stop11h 50m

£867

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 7/1

05:20-15:50

1 stop10h 30m

London Heathrow

Sat 10/1

18:00-04:20

1 stop10h 20m

£953

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 7/1

20:10-10:05

2 stops13h 55m

London Heathrow

Sat 10/1

20:05-18:25

2 stops46h 20m

£1,130

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 7/1

20:10-16:40

3 stops44h 30m

London Heathrow

Sat 10/1

12:05-18:25

2 stops54h 20m

£1,137

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 7/1

20:10-10:05

2 stops13h 55m

London Heathrow

Sat 10/1

11:05-18:40

1 stop31h 35m

£1,200

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 23/2

08:05-15:30

2 stops31h 25m

£446

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 26/2

08:05-15:30

2 stops31h 25m

£446

Flights are sorted by cheapest return flights first.

Deals found on 24/12

Showing 1-10 of 19 results
1
2

Best time to book a flight from Sierra Leone to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, February is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £611). Flying from Sierra Leone to London Heathrow Airport 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 26 December 2025.
Check out reviews from past customers who have flown with Brussels Airlines, Ethiopian Air, andRoyal Air Maroc from Sierra Leone to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Brussels Airlines
7.2
Good
375 reviews
Check prices

Comfort

6.9

Crew

7.9

Overall

7.2

Boarding

7.3

Food

6.2

Entertainment

6.1

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
Brussels Airlines
7.2
Good
375 reviews
Brussels Airlines
7.2
Good
375 reviews
Check prices

Comfort

6.9

Crew

7.9

Overall

7.2

Boarding

7.3

Food

6.2

Entertainment

6.1

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
Ethiopian Air
7.2
Good
917 reviews
Brussels Airlines
7.2
Good
375 reviews
Check prices

Comfort

6.9

Crew

7.9

Overall

7.2

Boarding

7.3

Food

6.2

Entertainment

6.1

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
Royal Air Maroc
6.2
Okay
543 reviews
Brussels Airlines
7.2
Good
375 reviews
Check prices

Comfort

6.9

Crew

7.9

Overall

7.2

Boarding

7.3

Food

6.2

Entertainment

6.1

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 Heathrow. 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 Heathrow Airport?

    Airlines like Brussels Airlines fly from Sierra Leone to London Heathrow Airport in about 25h 10m. The time it takes to get you to your destination can typically vary by up to . The distance between Sierra Leone and London Heathrow Airport is about 3046 mi.

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

    One-way options have recently been found by users for as low as £458 on Brussels Airlines. Other airlines that offer cheap prices include Royal Air Maroc from £466 and Kenya Airways from £485 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sierra Leone to Heathrow 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 Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £611). Flying from Sierra Leone to London Heathrow Airport 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Bedford
Romford
Chichester
Eastbourne
Ipswich

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Alternative routes for Sierra Leone to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Sierra Leone to Heathrow

Discover the top 3 airlines that operate flights from Sierra Leone to Heathrow. 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 26 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£760Average£784FlexibilityNo 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 Sierra Leone to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sierra Leone to Heathrow. 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 Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Sierra Leone by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sierra Leone to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Sierra Leone to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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