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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
FNA — LHR
1 Sep — 8 Sep1
1 adult

Cheap 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 27 August 2025.

Round-trip from

£646

One-way from

£465

Popular in

August

Cheapest in

July

Average price

£1,245
Brussels Airlines
  • Brussels Airlines
  • 23/9-25/9
  • 4 total stops
  • 48h 35m total
  • Sierra Leone to London
14/11
  • 14/11
  • 2 total stops
  • 16h 05m total
  • Sierra Leone to London
Highest demand for flights based on searches. 5% potential increase in price (£37 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Sierra Leone to Heathrow

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 27 August 2025.

Tue 23/918:45FNA - LHR
3 stops17h 15mMultiple Airlines
Thu 25/911:05LHR - FNA
1 stop31h 20mMultiple Airlines
Deal found 24/8£646
Wed 24/918:45FNA - LHR
2 stops14h 30mMultiple Airlines
Thu 25/920:05LHR - FNA
2 stops22h 20mMultiple Airlines
Deal found 24/8£647
Tue 23/918:45FNA - LHR
2 stops14h 30mMultiple Airlines
Wed 24/920:05LHR - FNA
2 stops46h 20mMultiple Airlines
Deal found 24/8£658
Thu 6/1119:45FNA - LHR
2 stops21h 20mBrussels Airlines
Sat 15/1106:50LHR - FNA
1 stop11h 50mBrussels Airlines
Deal found 26/8£666
Thu 25/1219:45FNA - LHR
2 stops21h 20mBrussels Airlines
Fri 30/106:50LHR - FNA
1 stop11h 50mBrussels Airlines
Deal found 26/8£669
Fri 10/1018:45FNA - LHR
2 stops14h 30mBrussels Airlines
Fri 17/1006:50LHR - FNA
1 stop11h 35mBrussels Airlines
Deal found 26/8£681
Thu 6/1119:45FNA - LHR
2 stops21h 20mMultiple Airlines
Sat 15/1120:05LHR - FNA
2 stops22h 35mMultiple Airlines
Deal found 26/8£683
Tue 23/918:45FNA - LHR
3 stops25h 45mSWISS
Thu 25/920:05LHR - FNA
2 stops22h 20mSWISS
Deal found 24/8£685
Thu 6/1119:45FNA - LHR
3 stops23h 30mSWISS
Sat 15/1113:45LHR - FNA
2 stops28h 55mSWISS
Deal found 26/8£700
Wed 24/918:45FNA - LHR
3 stops17h 55mSWISS
Thu 25/920:05LHR - FNA
2 stops22h 20mSWISS
Deal found 24/8£705
Fri 10/1018:45FNA - LHR
3 stops26h 00mMultiple Airlines
Fri 17/1007:45LHR - FNA
1 stop10h 40mMultiple Airlines
Deal found 26/8£708
Tue 23/918:45FNA - LHR
2 stops25h 10mBrussels Airlines
Thu 25/911:05LHR - FNA
1 stop31h 20mBrussels Airlines
Deal found 24/8£714

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 27 August 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 23/9

18:45-13:00

3 stops17h 15m

London Heathrow

Thu 25/9

11:05-17:25

1 stop31h 20m

£646

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Wed 24/9

18:45-10:15

2 stops14h 30m

London Heathrow

Thu 25/9

20:05-17:25

2 stops22h 20m

£647

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 23/9

18:45-10:15

2 stops14h 30m

London Heathrow

Wed 24/9

20:05-17:25

2 stops46h 20m

£658

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 6/11

19:45-17:05

2 stops21h 20m

London Heathrow

Sat 15/11

06:50-18:40

1 stop11h 50m

£666

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 25/12

19:45-17:05

2 stops21h 20m

London Heathrow

Fri 30/1

06:50-18:40

1 stop11h 50m

£669

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Fri 10/10

18:45-10:15

2 stops14h 30m

London Heathrow

Fri 17/10

06:50-17:25

1 stop11h 35m

£681

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 6/11

19:45-17:05

2 stops21h 20m

London Heathrow

Sat 15/11

20:05-18:40

2 stops22h 35m

£683

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Tue 23/9

18:45-21:30

3 stops25h 45m

London Heathrow

Thu 25/9

20:05-17:25

2 stops22h 20m

£685

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 25/12

19:45-17:05

2 stops21h 20m

London Heathrow

Fri 30/1

20:05-18:40

2 stops22h 35m

£685

FreetownLondon

FNA - LHR

FNALHR

Freetown Lungi Intl

Thu 6/11

19:45-19:15

3 stops23h 30m

London Heathrow

Sat 15/11

13:45-18:40

2 stops28h 55m

£700

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 21 results
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, January is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £112). Flying from Sierra Leone to London Heathrow Airport in August is currently the most expensive (average of £164). 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 27 August 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.

Crew

8.0

Entertainment

6.1

Food

6.2

Overall

7.3

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Crew

8.0

Entertainment

6.1

Food

6.2

Overall

7.3

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Crew

8.0

Entertainment

6.1

Food

6.2

Overall

7.3

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Crew

8.0

Entertainment

6.1

Food

6.2

Overall

7.3

Boarding

7.3

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

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 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 . The distance between Sierra Leone and London Heathrow Airport is about 3046 mi.

  • 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, January is the cheapest month in which you can book a flight from Sierra Leone to London Heathrow Airport (average of £112). Flying from Sierra Leone to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

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.

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 27 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£613Average£766FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£631Average£760FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Ethiopian AirCheapest£724Average£786FlexibilityNo 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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