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Cheap flights from Sierra Leone to London Heathrow Airport from £547

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
7 Aug — 14 Aug1
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 8 July 2026.

Fri 23/1018:45
FNA
-
LHR
3 stops48h 30m
Multiple Airlines
Mon 26/1006:50
LHR
-
FNA
1 stop11h 35m
Multiple Airlines
Deal found 5/7£663
Fri 23/1018:45
FNA
-
LHR
3 stops47h 55m
SWISS
Mon 26/1017:10
LHR
-
FNA
2 stops25h 30m
SWISS
Deal found 5/7£716
Fri 2/1018:40
FNA
-
LHR
2 stops20h 35m
Kenya Airways
Thu 22/1017:10
LHR
-
FNA
3 stops25h 30m
Kenya Airways
Deal found 8/7£717
Fri 23/1018:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Mon 26/1006:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 5/7£744
Fri 2/1018:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Thu 22/1017:55
LHR
-
FNA
1 stop24h 30m
Brussels Airlines
Deal found 8/7£760

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 8 July 2026.

Round-trip from

£663

One-way from

£547

Popular in

August

Cheapest in

March

Average price

£759
Brussels Airlines
  • Brussels Airlines
  • 23/10-26/10
  • 4 total stops
  • 60h 05m total
  • Sierra Leone to London
Search Deals
Kenya Airways
  • Kenya Airways
  • 13/7
  • 2 total stops
  • 31h 10m total
  • Sierra Leone to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 8 July 2026.
Use the filters below to find and compare flights from Sierra Leone to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 4/11

05:20-15:50

1 stop10h 30m

London Heathrow

Thu 19/11

17:10-04:20

1 stop11h 10m

£801

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 2/10

18:45-13:00

3 stops41h 15m

London Heathrow

Thu 22/10

20:05-17:25

2 stops22h 20m

£801

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 4/11

20:10-21:20

2 stops25h 10m

London Heathrow

Thu 19/11

11:05-18:40

1 stop31h 35m

£833

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 2/10

05:25-16:50

1 stop10h 25m

London Heathrow

Thu 22/10

18:10-04:25

1 stop11h 15m

£854

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 4/11

20:10-17:05

2 stops20h 55m

London Heathrow

Thu 19/11

17:10-18:40

2 stops25h 30m

£858

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 29/7

05:25-16:50

1 stop10h 25m

London Heathrow

Tue 8/9

18:10-04:25

1 stop11h 15m

£899

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 31/7

18:40-16:15

2 stops20h 35m

London Heathrow

Thu 26/11

17:25-17:30

2 stops24h 05m

£907

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 3/8

18:35-17:05

2 stops21h 30m

London Heathrow

Mon 10/8

20:05-17:25

2 stops22h 20m

£1,002

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 21/8

18:45-21:35

2 stops25h 50m

London Heathrow

Fri 28/8

06:50-17:25

1 stop11h 35m

£1,067

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 7/8

17:05-17:45

2 stops23h 40m

London Heathrow

Tue 1/12

09:55-07:35

3 stops21h 40m

£1,082

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 18 resultsSorted by cheapest first
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, June is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £453). Flying from Sierra Leone to London Heathrow Airport in November is currently the most expensive (average of £747). 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 8 July 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
420 reviews
Check prices

Overall

7.2

Boarding

7.3

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Hugo,Aug 2024

GVA - BRU

The plane was like a sauna. They turned the AC on just after take off. And the flight was delayed more than 30 minutes
Brussels Airlines
7.2
Good
420 reviews
Brussels Airlines
7.2
Good
420 reviews
Check prices

Overall

7.2

Boarding

7.3

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Hugo,Aug 2024

GVA - BRU

The plane was like a sauna. They turned the AC on just after take off. And the flight was delayed more than 30 minutes
Royal Air Maroc
6.2
Okay
623 reviews
Brussels Airlines
7.2
Good
420 reviews
Check prices

Overall

7.2

Boarding

7.3

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Hugo,Aug 2024

GVA - BRU

The plane was like a sauna. They turned the AC on just after take off. And the flight was delayed more than 30 minutes

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 Royal Air Maroc, SWISS, and Brussels Airlines 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 30h 45m. 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 £462 on Royal Air Maroc. Other airlines that offer cheap prices include Brussels Airlines from £463 and SWISS from £534 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, June is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £453). Flying from Sierra Leone to London Heathrow Airport in November is currently the most expensive (average of £747). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Eastbourne
Swindon
Poole
Southall
Aylesbury
Romford

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.

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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£647Average£725FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£663Average£783FlexibilityNo 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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