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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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
26 May — 2 Jun1
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 April 2026.

Tue 7/718:45
FNA
-
LHR
2 stops21h 20m
Multiple Airlines
Wed 8/719:15
LHR
-
FNA
2 stops47h 10m
Multiple Airlines
Deal found 23/4£700
Tue 7/718:45
FNA
-
LHR
3 stops17h 15m
SWISS
Wed 8/717:15
LHR
-
FNA
2 stops49h 10m
SWISS
Deal found 23/4£726
Tue 9/618:45
FNA
-
LHR
2 stops14h 30m
Brussels Airlines
Tue 16/606:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 25/4£740
Fri 10/718:45
FNA
-
LHR
2 stops14h 30m
Multiple Airlines
Sat 11/719:15
LHR
-
FNA
2 stops23h 10m
Multiple Airlines
Deal found 23/4£741
Tue 9/618:45
FNA
-
LHR
3 stops20h 40m
Multiple Airlines
Tue 16/606:50
LHR
-
FNA
1 stop11h 35m
Multiple Airlines
Deal found 25/4£757
Wed 20/505:25
FNA
-
LHR
1 stop11h 20m
Royal Air Maroc
Thu 18/618:10
LHR
-
FNA
1 stop11h 15m
Royal Air Maroc
Deal found 25/4£762
Fri 22/518:40
FNA
-
LHR
2 stops20h 35m
Kenya Airways
Thu 18/618:25
LHR
-
FNA
2 stops24h 15m
Kenya Airways
Deal found 25/4£770
Tue 12/518:40
FNA
-
LHR
2 stops20h 35m
Kenya Airways
Thu 18/618:25
LHR
-
FNA
2 stops24h 15m
Kenya Airways
Deal found 22/4£770
Tue 9/618:45
FNA
-
LHR
3 stops20h 40m
SWISS
Tue 16/606:00
LHR
-
FNA
2 stops36h 25m
SWISS
Deal found 25/4£772
Sun 2/818:45
FNA
-
LHR
2 stops21h 20m
Brussels Airlines
Fri 28/806:50
LHR
-
FNA
1 stop11h 35m
Brussels Airlines
Deal found 21/4£775
Wed 20/518:45
FNA
-
LHR
3 stops17h 15m
Multiple Airlines
Mon 8/606:50
LHR
-
FNA
1 stop11h 25m
Multiple Airlines
Deal found 22/4£790
Wed 20/518:45
FNA
-
LHR
3 stops26h 00m
Multiple Airlines
Thu 18/617:50
LHR
-
FNA
1 stop24h 35m
Multiple Airlines
Deal found 25/4£798

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 April 2026.

Round-trip from

£700

One-way from

£465

Popular in

August

Cheapest in

March

Average price

£924
SWISS
  • SWISS
  • 7/7-8/7
  • 4 total stops
  • 68h 30m total
  • Sierra Leone to London
Search Deals
Royal Air Maroc
  • Royal Air Maroc
  • 20/5
  • 1 total stop
  • 11h 20m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 April 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

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 10/7

18:45-10:15

2 stops14h 30m

London Heathrow

Sat 11/7

19:15-17:25

2 stops23h 10m

£741

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sun 2/8

18:45-17:05

2 stops21h 20m

London Heathrow

Fri 28/8

06:50-17:25

1 stop11h 35m

£775

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 11/6

18:35-17:05

2 stops21h 30m

London Heathrow

Mon 29/6

17:50-17:25

1 stop24h 35m

£851

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sun 2/8

18:45-07:55

3 stops36h 10m

London Heathrow

Fri 28/8

20:05-17:25

2 stops46h 20m

£882

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 20/5

18:45-17:05

2 stops21h 20m

London Heathrow

Wed 1/7

06:50-17:25

1 stop11h 35m

£888
Fastest return journey

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sun 2/8

05:25-16:50

1 stop10h 25m

London Heathrow

Fri 28/8

06:50-17:25

1 stop11h 35m

£1,020

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 19/5

09:00-07:00

2 stops21h 00m

London Heathrow

Fri 3/7

21:00-16:45

2 stops20h 45m

£1,141

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 19/5

09:00-07:00

2 stops21h 00m

London Heathrow

Wed 1/7

21:00-16:25

3 stops20h 25m

£1,241

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Sat 25/7

08:05-07:00

3 stops21h 55m

London Heathrow

Fri 28/8

21:00-16:45

2 stops20h 45m

£1,348

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 11/6

17:05-14:15

3 stops20h 10m

London Heathrow

Mon 29/6

20:50-04:25

3 stops32h 35m

£1,382

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 17 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 £448). Flying from Sierra Leone to London Heathrow Airport in November is currently the most expensive (average of £738). 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 April 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
404 reviews
Check prices

Entertainment

6.2

Overall

7.2

Comfort

7.0

Food

6.3

Boarding

7.3

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Brussels Airlines
7.2
Good
404 reviews
Brussels Airlines
7.2
Good
404 reviews
Check prices

Entertainment

6.2

Overall

7.2

Comfort

7.0

Food

6.3

Boarding

7.3

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Royal Air Maroc
6.2
Okay
591 reviews
Brussels Airlines
7.2
Good
404 reviews
Check prices

Entertainment

6.2

Overall

7.2

Comfort

7.0

Food

6.3

Boarding

7.3

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.

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 21h 20m. The time it takes to get you to your destination can typically vary by up to 14h 50m. 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 £458 on Brussels Airlines. Other airlines that offer cheap prices include Royal Air Maroc from £459 and SWISS from £528 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 £448). Flying from Sierra Leone to London Heathrow Airport in November is currently the most expensive (average of £738). 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
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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 26 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£656Average£702FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£658Average£770FlexibilityNo 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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