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Cheap flights from Sierra Leone to London Heathrow Airport from £465

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 14 November 2025.

Thu 25/1219:45FNA - LHR
2 stops25h 35mBrussels Airlines
Sun 8/206:50LHR - FNA
1 stop11h 50mBrussels Airlines
Deal found 13/11£705
Thu 25/1219:45FNA - LHR
3 stops25h 55mMultiple Airlines
Sun 8/206:50LHR - FNA
1 stop11h 50mMultiple Airlines
Deal found 13/11£781
Sat 27/1205:20FNA - LHR
1 stop11h 40mRoyal Air Maroc
Sat 3/117:10LHR - FNA
1 stop11h 10mRoyal Air Maroc
Deal found 12/11£826
Sat 27/1220:10FNA - LHR
2 stops25h 10mBrussels Airlines
Sat 3/111:05LHR - FNA
1 stop31h 35mBrussels Airlines
Deal found 12/11£846
Wed 10/1205:20FNA - LHR
1 stop10h 30mRoyal Air Maroc
Mon 29/1217:10LHR - FNA
1 stop11h 10mRoyal Air Maroc
Deal found 14/11£862
Sat 27/1220:10FNA - LHR
3 stops25h 15mMultiple Airlines
Sat 3/111:05LHR - FNA
1 stop31h 35mMultiple Airlines
Deal found 12/11£903
Sat 27/1220:10FNA - LHR
3 stops25h 15mSWISS
Sat 3/106:00LHR - FNA
2 stops36h 40mSWISS
Deal found 12/11£995
Wed 10/1220:10FNA - LHR
2 stops20h 55mBrussels Airlines
Mon 29/1217:50LHR - FNA
1 stop24h 50mBrussels Airlines
Deal found 14/11£1,062
Wed 10/1208:05FNA - LHR
2 stops31h 25mKenya Airways
Mon 29/1210:00LHR - FNA
3 stops31h 30mKenya Airways
Deal found 12/11£1,062

Cheap 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 14 November 2025.

Round-trip from

£705

One-way from

£465

Popular in

August

Cheapest in

September

Average price

£693
Brussels Airlines
  • Brussels Airlines
  • 25/12-8/2
  • 3 total stops
  • 37h 25m total
  • Sierra Leone to London
Search Deals
Kenya Airways
  • Kenya Airways
  • 11/12
  • 2 total stops
  • 31h 25m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 14 November 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

Fri 10/4

18:45-16:25

3 stops20h 40m

London Heathrow

Sat 11/4

19:15-17:25

2 stops23h 10m

£775

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 25/12

19:45-21:40

3 stops25h 55m

London Heathrow

Sun 8/2

06:50-18:40

1 stop11h 50m

£781

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 27/3

05:20-15:50

1 stop10h 30m

London Heathrow

Thu 30/4

18:10-04:25

1 stop11h 15m

£786

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 10/4

18:45-10:15

2 stops14h 30m

London Heathrow

Sat 11/4

20:05-17:25

2 stops22h 20m

£799

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 27/12

05:20-17:00

1 stop11h 40m

London Heathrow

Sat 3/1

17:10-04:20

1 stop11h 10m

£826

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 27/12

20:10-21:20

2 stops25h 10m

London Heathrow

Sat 3/1

11:05-18:40

1 stop31h 35m

£846

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 10/12

05:20-15:50

1 stop10h 30m

London Heathrow

Mon 29/12

17:10-04:20

1 stop11h 10m

£862

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 27/12

20:10-21:25

3 stops25h 15m

London Heathrow

Sat 3/1

11:05-18:40

1 stop31h 35m

£903

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 27/3

18:30-20:50

3 stops26h 20m

London Heathrow

Thu 30/4

09:55-17:30

3 stops32h 35m

£951

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 27/3

05:20-15:50

1 stop10h 30m

London Heathrow

Thu 30/4

20:05-17:25

2 stops22h 20m

£981

Flights are sorted by cheapest return flights first.

Deals found on 14/11

Showing 1-10 of 21 results
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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 £627). Flying from Sierra Leone to London Heathrow Airport in November is currently the most expensive (average of £875). 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 14 November 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
369 reviews
Check prices

Boarding

7.3

Crew

7.9

Comfort

6.9

Entertainment

6.1

Overall

7.2

Food

6.2

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
369 reviews
Brussels Airlines
7.2
Good
369 reviews
Check prices

Boarding

7.3

Crew

7.9

Comfort

6.9

Entertainment

6.1

Overall

7.2

Food

6.2

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
894 reviews
Brussels Airlines
7.2
Good
369 reviews
Check prices

Boarding

7.3

Crew

7.9

Comfort

6.9

Entertainment

6.1

Overall

7.2

Food

6.2

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
529 reviews
Brussels Airlines
7.2
Good
369 reviews
Check prices

Boarding

7.3

Crew

7.9

Comfort

6.9

Entertainment

6.1

Overall

7.2

Food

6.2

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 SWISS and Royal Air Maroc fly from Sierra Leone to London Heathrow Airport in about 10h 30m. The time it takes to get you to your destination can typically vary by up to 10h 10m. The distance between Sierra Leone and London Heathrow Airport is about 3046 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £465 on Kenya Airways. Other airlines that offer cheap prices include Royal Air Maroc from £478 and Brussels Airlines from £517 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 £627). Flying from Sierra Leone to London Heathrow Airport in November is currently the most expensive (average of £875). 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
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sierra Leone to Heathrow

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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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£627Average£640FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£647Average£781FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Ethiopian AirCheapest£781Average£805FlexibilityNo 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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