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Cheap flights from Sierra Leone to London Heathrow Airport from £494

FNA — LHR
2 Nov — 9 Nov1
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

Sat 12/1205:20 -
1 stop11h 40m
Sun 10/117:15 -
1 stop11h 05m
Deal found 29/9£610
Fri 6/1105:20 -
1 stop10h 30m
Thu 12/1117:10 -
1 stop11h 10m
Deal found 29/9£685
Fri 6/1118:30 -
2 stops21h 00m
Thu 12/1117:25 -
2 stops24h 05m
Deal found 29/9£706
Thu 22/1008:00 -
2 stops31h 15m
Thu 29/1017:25 -
2 stops24h 05m
Deal found 1/10£728
Tue 1/1220:10 -
2 stops20h 55m
Wed 13/118:00 -
1 stop24h 40m
Deal found 28/9£790
Fri 23/1018:40 -
2 stops20h 35m
Sun 22/1117:25 -
2 stops46h 55m
Deal found 30/9£794
Sun 15/1118:30 -
2 stops21h 00m
Fri 20/1117:25 -
2 stops46h 55m
Deal found 3/10£795
Sun 15/1118:30 -
2 stops21h 00m
Sun 22/1117:25 -
2 stops46h 55m
Deal found 1/10£797
Tue 1/1220:10 -
3 stops16h 50m
Wed 13/118:00 -
1 stop24h 40m
Deal found 28/9£802

Find flight deals from Sierra Leone to Heathrow

Round-trip from

£610

One-way from

£494

Popular in

September

Cheapest in

March

Average price

£870
Royal Air Maroc
  • Royal Air Maroc
  • 12/12-10/1
  • 2 total stops
  • 22h 45m total
  • Sierra Leone to London
Search Deals
Royal Air Maroc
  • Royal Air Maroc
  • 27/12-31/12
  • 1 total stop
  • 10h 10m total
  • Sierra Leone to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£156 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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 Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Sun 27/12

05:20-15:30

1 stop10h 10m

London Heathrow

Wed 31/12

00:00-23:00

Nonstop0h 00m

£494

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Sun 27/12

18:30-15:30

2 stops21h 00m

London Heathrow

Wed 31/12

00:00-23:00

Nonstop0h 00m

£502

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Tue 17/11

18:30-15:30

2 stops21h 00m

London Heathrow

Wed 31/12

00:00-23:00

Nonstop0h 00m

£504

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Tue 20/10

18:45-11:20

3 stops15h 35m

London Heathrow

Wed 31/12

00:00-23:00

Nonstop0h 00m

£566

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Tue 17/11

20:10-13:00

3 stops16h 50m

London Heathrow

Wed 31/12

00:00-23:00

Nonstop0h 00m

£566

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Fri 6/11

05:20-15:50

1 stop10h 30m

London Heathrow

Thu 12/11

17:10-04:20

1 stop11h 10m

£685

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Thu 22/10

08:00-16:15

2 stops31h 15m

London Heathrow

Thu 29/10

17:25-17:30

2 stops24h 05m

£728

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Fri 23/10

18:40-16:15

2 stops20h 35m

London Heathrow

Sun 22/11

17:25-16:20

2 stops46h 55m

£794

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Sun 15/11

18:30-15:30

2 stops21h 00m

London Heathrow

Fri 20/11

17:25-16:20

2 stops46h 55m

£796

FreetownLondon

FNA Freetown Lungi Intl - LHR London Heathrow

FNALHR

Freetown Lungi Intl

Fri 6/11

18:30-15:30

2 stops21h 00m

London Heathrow

Thu 12/11

10:00-17:30

3 stops31h 30m

£810

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 16 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

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 £655). Flying from Sierra Leone to London Heathrow Airport in August is currently the most expensive (average of £1,823). 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

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.
Brussels Airlines
7.3
Good
433 reviews
Check prices

Food

6.4

Crew

7.9

Entertainment

6.2

Comfort

7.0

Overall

7.3

Boarding

7.4

Reviews

1 / 20
8.0
Excellent

Courtney,Jul 2026

MXP - YUL

For a flight this long, the airline needs to use a plane with lay flat seats. It greatly and negatively impacted the experience. The BIG complaint I have about the flight was the temperature. I was wearing a jogging suit with a t-shirt under, I also had my jacket on my legs and the one blanket I could get onboard over the top of my body with a hood on my head and I was freezing! The reason I could only get one blanket is everyone else was also freezing and also requested blankets. I hope this stops!
Brussels Airlines
7.3
Good
433 reviews
Brussels Airlines
7.3
Good
433 reviews
Check prices

Food

6.4

Crew

7.9

Entertainment

6.2

Comfort

7.0

Overall

7.3

Boarding

7.4

Reviews

1 / 20
8.0
Excellent

Courtney,Jul 2026

MXP - YUL

For a flight this long, the airline needs to use a plane with lay flat seats. It greatly and negatively impacted the experience. The BIG complaint I have about the flight was the temperature. I was wearing a jogging suit with a t-shirt under, I also had my jacket on my legs and the one blanket I could get onboard over the top of my body with a hood on my head and I was freezing! The reason I could only get one blanket is everyone else was also freezing and also requested blankets. I hope this stops!
Ethiopian Air
7.2
Good
1,044 reviews
Brussels Airlines
7.3
Good
433 reviews
Check prices

Food

6.4

Crew

7.9

Entertainment

6.2

Comfort

7.0

Overall

7.3

Boarding

7.4

Reviews

1 / 20
8.0
Excellent

Courtney,Jul 2026

MXP - YUL

For a flight this long, the airline needs to use a plane with lay flat seats. It greatly and negatively impacted the experience. The BIG complaint I have about the flight was the temperature. I was wearing a jogging suit with a t-shirt under, I also had my jacket on my legs and the one blanket I could get onboard over the top of my body with a hood on my head and I was freezing! The reason I could only get one blanket is everyone else was also freezing and also requested blankets. I hope this stops!
Royal Air Maroc
6.2
Okay
625 reviews
Brussels Airlines
7.3
Good
433 reviews
Check prices

Food

6.4

Crew

7.9

Entertainment

6.2

Comfort

7.0

Overall

7.3

Boarding

7.4

Reviews

1 / 20
8.0
Excellent

Courtney,Jul 2026

MXP - YUL

For a flight this long, the airline needs to use a plane with lay flat seats. It greatly and negatively impacted the experience. The BIG complaint I have about the flight was the temperature. I was wearing a jogging suit with a t-shirt under, I also had my jacket on my legs and the one blanket I could get onboard over the top of my body with a hood on my head and I was freezing! The reason I could only get one blanket is everyone else was also freezing and also requested blankets. I hope this stops!

Related info for your journey

  • How long is the flight from Sierra Leone to London Heathrow Airport?

    Airlines like Royal Air Maroc and Kenya Airways 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 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 £472 on Royal Air Maroc. Other airlines that offer cheap prices include Brussels Airlines from £509 and SWISS from £541 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 £655). Flying from Sierra Leone to London Heathrow Airport in August is currently the most expensive (average of £1,823). 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
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Sierra Leone to Heathrow

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Lagos to Gatwick flights
OR Tambo to Heathrow flights
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OR Tambo to Stansted flights
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OR Tambo to London City flights
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Cairo to Luton flights
Jomo Kenyatta Intl to Stansted flights
Accra to Stansted flights
Lagos to Luton flights
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Port Louis to Heathrow flights
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Accra to London City flights
Casablanca to Heathrow flights
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Jomo Kenyatta Intl to London City flights
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OR Tambo to Luton flights
Lanseria to Heathrow flights
Rabat to Heathrow flights
Port Louis to Stansted flights
Jomo Kenyatta Intl to Luton flights
Algiers to London City flights
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Durban to Heathrow flights
Abuja to Stansted flights

Top 3 airlines flying from Sierra Leone to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Royal Air MarocCheapest£655Average£734FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Brussels AirlinesCheapest£688Average£793FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Ethiopian AirCheapest£1,702Average£1,822FlexibilityNo cancel feeOn-time72%
Search Ethiopian Air flights

Fly with Cheapflights

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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