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Cheap flights from Sierra Leone to London Heathrow Airport from £470

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 20/12. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
3 Jan — 10 Jan1
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 4 December 2025.

Tue 16/1220:10FNA - LHR
2 stops13h 55mBrussels Airlines
Sat 3/111:05LHR - FNA
1 stop31h 35mBrussels Airlines
Deal found 2/12£740
Mon 15/1219:45FNA - LHR
2 stops14h 20mMultiple Airlines
Tue 23/1206:00LHR - FNA
2 stops36h 40mMultiple Airlines
Deal found 2/12£741
Mon 15/1219:45FNA - LHR
3 stops25h 55mSWISS
Tue 23/1206:00LHR - FNA
2 stops36h 40mSWISS
Deal found 2/12£756
Tue 16/1220:10FNA - LHR
3 stops25h 30mMultiple Airlines
Sat 3/111:05LHR - FNA
1 stop31h 35mMultiple Airlines
Deal found 2/12£761
Tue 30/1220:10FNA - LHR
2 stops25h 10mBrussels Airlines
Mon 5/117:50LHR - FNA
1 stop24h 50mBrussels Airlines
Deal found 1/12£764
Tue 30/1220:10FNA - LHR
3 stops25h 15mMultiple Airlines
Mon 5/117:50LHR - FNA
1 stop24h 50mMultiple Airlines
Deal found 1/12£769
Fri 5/1205:20FNA - LHR
1 stop10h 30mRoyal Air Maroc
Tue 3/317:10LHR - FNA
1 stop11h 10mRoyal Air Maroc
Deal found 1/12£784
Thu 18/1219:45FNA - LHR
2 stops14h 20mBrussels Airlines
Wed 7/106:50LHR - FNA
1 stop11h 50mBrussels Airlines
Deal found 2/12£787
Tue 30/1220:10FNA - LHR
3 stops22h 30mSWISS
Mon 5/119:30LHR - FNA
2 stops23h 10mSWISS
Deal found 1/12£789
Tue 16/1220:10FNA - LHR
3 stops25h 30mSWISS
Sat 3/106:00LHR - FNA
2 stops36h 40mSWISS
Deal found 2/12£795
Tue 16/1205:20FNA - LHR
1 stop10h 20mRoyal Air Maroc
Sat 3/117:10LHR - FNA
1 stop11h 10mRoyal Air Maroc
Deal found 2/12£798
Mon 15/1219:45FNA - LHR
2 stops21h 20mBrussels Airlines
Tue 23/1211:05LHR - FNA
1 stop31h 35mBrussels Airlines
Deal found 2/12£815

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 4 December 2025.

Round-trip from

£714

One-way from

£470

Popular in

August

Cheapest in

September

Average price

£677
Kenya Airways
  • Kenya Airways
  • 12/3-16/3
  • 4 total stops
  • 55h 30m total
  • Sierra Leone to London
Search Deals
Royal Air Maroc
  • Royal Air Maroc
  • 20/12
  • 1 total stop
  • 10h 20m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£29 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 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

Sierra Leone

Fly to

Heathrow

Route

Depart

Return

Price

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

£740

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

£741

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

£756

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

£761

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 30/12

20:10-21:20

2 stops25h 10m

London Heathrow

Mon 5/1

17:50-18:40

1 stop24h 50m

£764

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 30/12

20:10-21:25

3 stops25h 15m

London Heathrow

Mon 5/1

17:50-18:40

1 stop24h 50m

£769

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 30/12

20:10-18:40

3 stops22h 30m

London Heathrow

Mon 5/1

19:30-18:40

2 stops23h 10m

£789

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

£795

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 16/12

05:20-15:40

1 stop10h 20m

London Heathrow

Sat 3/1

17:10-04:20

1 stop11h 10m

£798

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 18/12

05:20-15:40

1 stop10h 20m

London Heathrow

Wed 7/1

17:10-04:20

1 stop11h 10m

£798

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 22 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 £621). Flying from Sierra Leone to London Heathrow Airport in April is currently the most expensive (average of £825). 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 4 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
373 reviews
Check prices

Food

6.2

Boarding

7.3

Crew

7.9

Comfort

6.9

Overall

7.2

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
373 reviews
Brussels Airlines
7.2
Good
373 reviews
Check prices

Food

6.2

Boarding

7.3

Crew

7.9

Comfort

6.9

Overall

7.2

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
902 reviews
Brussels Airlines
7.2
Good
373 reviews
Check prices

Food

6.2

Boarding

7.3

Crew

7.9

Comfort

6.9

Overall

7.2

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
532 reviews
Brussels Airlines
7.2
Good
373 reviews
Check prices

Food

6.2

Boarding

7.3

Crew

7.9

Comfort

6.9

Overall

7.2

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 and SWISS fly from Sierra Leone to London Heathrow Airport in about 13h 55m. The time it takes to get you to your destination can typically vary by up to 12h. 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 £466 on Brussels Airlines. Other airlines that offer cheap prices include Royal Air Maroc from £473 and Kenya Airways from £493 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 £621). Flying from Sierra Leone to London Heathrow Airport in April is currently the most expensive (average of £825). 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
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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.

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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£621Average£633FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£649Average£773FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Ethiopian AirCheapest£773Average£797FlexibilityNo 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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