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Cheap flights from Sierra Leone to London Heathrow Airport from £467

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
21 Apr — 28 Apr1
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 22 March 2026.

Tue 28/718:45
FNA
-
LHR
2 stops21h 20m
Brussels Airlines
Tue 25/806:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 21/3£699
Wed 1/718:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Mon 10/817:50
LHR
-
FNA
1 stop24h 35m
Brussels Airlines
Deal found 21/3£709
Wed 1/718:45
FNA
-
LHR
2 stops25h 50m
Multiple Airlines
Mon 10/808:40
LHR
-
FNA
2 stops33h 45m
Multiple Airlines
Deal found 21/3£714
Sun 19/718:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Thu 10/906:50
LHR
-
FNA
1 stop11h 25m
Brussels Airlines
Deal found 22/3£734
Tue 28/718:45
FNA
-
LHR
2 stops25h 50m
Multiple Airlines
Tue 25/818:40
LHR
-
FNA
2 stops47h 35m
Multiple Airlines
Deal found 21/3£735
Fri 19/618:45
FNA
-
LHR
2 stops25h 50m
Brussels Airlines
Fri 10/706:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 19/3£737
Wed 1/718:45
FNA
-
LHR
3 stops23h 35m
SWISS
Mon 10/808:40
LHR
-
FNA
2 stops33h 45m
SWISS
Deal found 21/3£740
Tue 28/718:45
FNA
-
LHR
2 stops21h 20m
Brussels Airlines
Wed 26/811:05
LHR
-
FNA
1 stop31h 10m
Brussels Airlines
Deal found 21/3£747
Wed 5/805:25
FNA
-
LHR
1 stop11h 20m
Royal Air Maroc
Tue 1/918:10
LHR
-
FNA
1 stop11h 15m
Royal Air Maroc
Deal found 20/3£763
Tue 28/718:45
FNA
-
LHR
2 stops21h 20m
Multiple Airlines
Wed 26/820:05
LHR
-
FNA
2 stops22h 10m
Multiple Airlines
Deal found 21/3£764
Wed 5/805:25
FNA
-
LHR
1 stop10h 25m
Royal Air Maroc
Thu 3/918:10
LHR
-
FNA
1 stop11h 15m
Royal Air Maroc
Deal found 20/3£768

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 22 March 2026.

Round-trip from

£699

One-way from

£467

Popular in

August

Cheapest in

September

Average price

£714
Brussels Airlines
  • Brussels Airlines
  • 28/7-25/8
  • 3 total stops
  • 32h 55m total
  • Sierra Leone to London
Search Deals
Royal Air Maroc
  • Royal Air Maroc
  • 22/5
  • 1 total stop
  • 10h 25m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£31 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 March 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 22 March 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 5/8

05:25-16:50

1 stop10h 25m

London Heathrow

Tue 1/9

18:10-04:25

1 stop11h 15m

£770

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 21/5

08:05-16:15

2 stops31h 10m

London Heathrow

Sun 31/5

14:45-17:40

3 stops51h 55m

£817

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 2/5

08:05-16:15

2 stops31h 10m

London Heathrow

Sat 9/5

18:25-17:40

2 stops24h 15m

£830

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 21/5

09:00-07:00

2 stops21h 00m

London Heathrow

Sun 31/5

21:00-16:45

2 stops20h 45m

£973

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 1/4

08:05-16:15

2 stops31h 10m

London Heathrow

Mon 20/4

15:20-17:40

3 stops27h 20m

£1,055

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sun 26/7

09:00-17:20

2 stops31h 20m

London Heathrow

Sun 23/8

21:00-16:45

2 stops20h 45m

£1,077

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 5/8

05:25-17:45

1 stop11h 20m

London Heathrow

Tue 1/9

11:05-04:25

2 stops18h 20m

£1,123

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Mon 27/7

09:00-17:00

2 stops31h 00m

London Heathrow

Fri 28/8

21:00-16:45

2 stops20h 45m

£1,133

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 9/4

09:00-07:00

2 stops21h 00m

London Heathrow

Sat 18/4

21:00-16:45

2 stops20h 45m

£1,178
Cheapest one-way
Fastest single journey

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 22/5

05:25-16:50

1 stop10h 25m

£467

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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, July is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £630). Flying from Sierra Leone to London Heathrow Airport in February is currently the most expensive (average of £762). 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 22 March 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
391 reviews
Check prices

Food

6.3

Boarding

7.3

Entertainment

6.2

Crew

7.9

Comfort

6.9

Overall

7.2

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
391 reviews
Brussels Airlines
7.2
Good
391 reviews
Check prices

Food

6.3

Boarding

7.3

Entertainment

6.2

Crew

7.9

Comfort

6.9

Overall

7.2

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
583 reviews
Brussels Airlines
7.2
Good
391 reviews
Check prices

Food

6.3

Boarding

7.3

Entertainment

6.2

Crew

7.9

Comfort

6.9

Overall

7.2

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 Royal Air Maroc, Kenya Airways, and Ethiopian Air fly from Sierra Leone to London Heathrow Airport in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 20h 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 £450 on Kenya Airways. Other airlines that offer cheap prices include Brussels Airlines from £464 and Royal Air Maroc from £466 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, July is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £630). Flying from Sierra Leone to London Heathrow Airport in February is currently the most expensive (average of £762). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest£668Average£785FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Royal Air MarocCheapest£705Average£728FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc 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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