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Cheap flights from Sierra Leone to London Heathrow Airport from £442

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
25 Feb — 4 Mar1
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 January 2026.

Thu 12/319:45
FNA
-
LHR
2 stops14h 20m
Brussels Airlines
Thu 19/306:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 25/1£667
Thu 12/319:45
FNA
-
LHR
3 stops15h 30m
Multiple Airlines
Thu 19/306:50
LHR
-
FNA
1 stop11h 35m
Multiple Airlines
Deal found 25/1£684
Mon 9/319:45
FNA
-
LHR
2 stops25h 35m
Brussels Airlines
Thu 19/306:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 24/1£697
Thu 12/319:45
FNA
-
LHR
3 stops15h 30m
SWISS
Thu 19/312:05
LHR
-
FNA
2 stops54h 35m
SWISS
Deal found 25/1£709
Mon 9/319:45
FNA
-
LHR
3 stops22h 05m
Multiple Airlines
Thu 19/306:50
LHR
-
FNA
1 stop11h 35m
Multiple Airlines
Deal found 24/1£712
Mon 9/319:45
FNA
-
LHR
3 stops25h 55m
SWISS
Thu 19/319:30
LHR
-
FNA
2 stops47h 10m
SWISS
Deal found 24/1£752
Mon 6/408:05
FNA
-
LHR
2 stops31h 10m
Kenya Airways
Thu 9/418:25
LHR
-
FNA
2 stops39h 00m
Kenya Airways
Deal found 25/1£810
Mon 2/219:45
FNA
-
LHR
2 stops14h 20m
Brussels Airlines
Mon 16/206:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 25/1£816
Fri 13/205:20
FNA
-
LHR
1 stop10h 30m
Royal Air Maroc
Thu 19/317:10
LHR
-
FNA
1 stop11h 10m
Royal Air Maroc
Deal found 24/1£842
Mon 6/409:20
FNA
-
LHR
3 stops34h 35m
Kenya Airways
Sat 11/418:25
LHR
-
FNA
2 stops24h 05m
Kenya Airways
Deal found 25/1£853
Thu 12/219:45
FNA
-
LHR
2 stops21h 20m
Multiple Airlines
Thu 19/313:45
LHR
-
FNA
2 stops52h 55m
Multiple Airlines
Deal found 24/1£861
Mon 2/219:45
FNA
-
LHR
2 stops25h 35m
Multiple Airlines
Mon 16/213:45
LHR
-
FNA
2 stops28h 55m
Multiple Airlines
Deal found 25/1£870

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 January 2026.

Round-trip from

£697

One-way from

£442

Popular in

August

Cheapest in

September

Average price

£787
Brussels Airlines
  • Brussels Airlines
  • 9/3-19/3
  • 3 total stops
  • 37h 10m total
  • Sierra Leone to London
Search Deals
Kenya Airways
  • Kenya Airways
  • 6/2
  • 2 total stops
  • 31h 25m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 January 2026.
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

Thu 12/3

19:45-10:05

2 stops14h 20m

London Heathrow

Thu 19/3

06:50-18:25

1 stop11h 35m

£667

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 12/3

19:45-11:15

3 stops15h 30m

London Heathrow

Thu 19/3

06:50-18:25

1 stop11h 35m

£684

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/3

19:45-21:20

2 stops25h 35m

London Heathrow

Thu 19/3

06:50-18:25

1 stop11h 35m

£697

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 12/3

19:45-11:15

3 stops15h 30m

London Heathrow

Thu 19/3

12:05-18:40

2 stops54h 35m

£709

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/3

19:45-17:50

3 stops22h 05m

London Heathrow

Thu 19/3

06:50-18:25

1 stop11h 35m

£712

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 9/3

19:45-21:40

3 stops25h 55m

London Heathrow

Thu 19/3

19:30-18:40

2 stops47h 10m

£752

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 6/4

08:05-16:15

2 stops31h 10m

London Heathrow

Thu 9/4

18:25-08:25

2 stops39h 00m

£810

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 7/4

08:05-16:15

2 stops31h 10m

London Heathrow

Sat 11/4

18:25-08:25

2 stops39h 00m

£810

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 13/2

05:20-15:50

1 stop10h 30m

London Heathrow

Thu 19/3

17:10-04:20

1 stop11h 10m

£842

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 7/4

18:30-19:25

3 stops23h 55m

London Heathrow

Thu 9/4

18:25-08:25

2 stops39h 00m

£842

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 22 results
1
2
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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 £604). Flying from Sierra Leone to London Heathrow Airport in March is currently the most expensive (average of £840). 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 January 2026.
Check out reviews from past customers who have flown with Brussels Airlines and Royal 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
382 reviews
Check prices

Overall

7.2

Food

6.3

Comfort

6.9

Entertainment

6.2

Crew

7.9

Boarding

7.3

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
382 reviews
Brussels Airlines
7.2
Good
382 reviews
Check prices

Overall

7.2

Food

6.3

Comfort

6.9

Entertainment

6.2

Crew

7.9

Boarding

7.3

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
567 reviews
Brussels Airlines
7.2
Good
382 reviews
Check prices

Overall

7.2

Food

6.3

Comfort

6.9

Entertainment

6.2

Crew

7.9

Boarding

7.3

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 14h 20m. The time it takes to get you to your destination can typically vary by up to 1h 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 £440 on Kenya Airways. Other airlines that offer cheap prices include SWISS from £442 and Brussels Airlines from £454 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 £604). Flying from Sierra Leone to London Heathrow Airport in March is currently the most expensive (average of £840). 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from Sierra Leone to Heathrow

Discover the top 2 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£605Average£616FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£650Average£753FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines 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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