Cheap flights from London to Sierra Leone from £378

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — FNA
6 Jan — 13 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Sierra Leone

Enter your travel dates to find the best prices.

Cheapest flights from London to Sierra Leone
Explore the most affordable flight options available from London to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 December 2025.

Fri 19/1217:25LHR - FNA
2 stops25h 15mMultiple Airlines
Wed 31/1220:10FNA - LHR
2 stops13h 55mMultiple Airlines
Deal found 7/12£838
Tue 23/1219:30LHR - FNA
2 stops23h 10mMultiple Airlines
Thu 1/119:45FNA - LHR
2 stops21h 20mMultiple Airlines
Deal found 5/12£869
Mon 15/1220:05LHR - FNA
2 stops22h 35mSWISS
Mon 29/1219:45FNA - LHR
3 stops25h 40mSWISS
Deal found 6/12£871
Mon 15/1219:10LCY - FNA
2 stops23h 30mSWISS
Mon 29/1219:45FNA - LCY
3 stops37h 00mSWISS
Deal found 6/12£880
Fri 19/1217:25LHR - FNA
2 stops25h 15mSWISS
Wed 31/1220:10FNA - LHR
3 stops25h 30mSWISS
Deal found 7/12£882
Fri 19/1217:25LHR - FNA
2 stops25h 15mMultiple Airlines
Thu 1/119:45FNA - LHR
2 stops21h 20mMultiple Airlines
Deal found 7/12£890
Mon 15/1220:05LHR - FNA
2 stops22h 35mMultiple Airlines
Mon 29/1219:45FNA - LHR
2 stops21h 20mMultiple Airlines
Deal found 6/12£900
Tue 23/1214:25LHR - FNA
2 stops28h 15mMultiple Airlines
Sat 27/1220:10FNA - LHR
2 stops20h 55mMultiple Airlines
Deal found 6/12£934
Tue 23/1211:05LHR - FNA
1 stop31h 35mBrussels Airlines
Thu 1/119:45FNA - LHR
2 stops21h 20mBrussels Airlines
Deal found 5/12£936
Tue 23/1214:25LHR - FNA
2 stops28h 15mSWISS
Sat 27/1220:10FNA - LHR
3 stops36h 05mSWISS
Deal found 6/12£941
Sat 27/1211:05LHR - FNA
1 stop31h 35mMultiple Airlines
Mon 19/119:45FNA - LHR
3 stops25h 55mMultiple Airlines
Deal found 5/12£948
Fri 19/1209:20LCY - FNA
2 stops33h 20mSWISS
Wed 31/1220:10FNA - LCY
3 stops20h 55mSWISS
Deal found 7/12£962

Find flight deals from London to Sierra Leone

Keep the following information in mind while searching for London to Sierra Leone flight deals. Data was last updated 7 December 2025.

Round-trip from

£720

One-way from

£378

Popular in

December

Cheapest in

October

Average price

£1,200

Good round-trip deal

£874 or less

Good one-way deal

£286 or less
SWISS
  • SWISS
  • 15/4-20/5
  • 5 total stops
  • 70h 05m total
  • London to Sierra Leone
15/1
  • 15/1
  • 3 total stops
  • 54h 15m total
  • London to Sierra Leone
Highest demand for flights based on searches. 11% potential increase in price (£76 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 December 2025
Price to beat on a round-trip flight from London (LON) to Sierra Leone.
Price to beat on a one-way flight from London (LON) to Sierra Leone.

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Sierra Leone 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 7 December 2025.
Use the filters below to find and compare flights from London to Sierra Leone that are best for you.

Fly from

London

Fly to

Sierra Leone

Route

Depart

Return

Price

LondonFreetown

LCY - FNA

LCYFNA

London City

Sat 24/1

12:15-18:40

2 stops30h 25m

Freetown Lungi Intl

Sun 8/2

20:10-08:40

3 stops36h 30m

£729

LondonFreetown

LCY - FNA

LCYFNA

London City

Mon 12/1

13:30-18:40

2 stops29h 10m

Freetown Lungi Intl

Mon 26/1

19:45-17:05

3 stops21h 20m

£729

LondonFreetown

LCY - FNA

LCYFNA

London City

Mon 9/2

17:45-18:40

2 stops24h 55m

Freetown Lungi Intl

Mon 23/2

19:45-12:55

3 stops17h 10m

£730

LondonFreetown

LCY - FNA

LCYFNA

London City

Mon 1/6

08:10-17:25

2 stops34h 15m

Freetown Lungi Intl

Mon 8/6

18:45-18:45

3 stops23h 00m

£742

LondonFreetown

LCY - FNA

LCYFNA

London City

Wed 7/1

13:30-18:25

2 stops28h 55m

Freetown Lungi Intl

Mon 9/2

19:45-17:05

3 stops21h 20m

£758

LondonFreetown

LCY - FNA

LCYFNA

London City

Sun 11/1

13:20-18:25

2 stops29h 05m

Freetown Lungi Intl

Sun 8/2

20:10-08:40

3 stops36h 30m

£758

LondonFreetown

LCY - FNA

LCYFNA

London City

Fri 30/1

09:20-18:40

2 stops33h 20m

Freetown Lungi Intl

Mon 16/2

19:45-17:05

3 stops21h 20m

£782

LondonFreetown

LGW - FNA

LGWFNA

London Gatwick

Fri 17/4

17:15-00:20

2 stops32h 05m

Freetown Lungi Intl

Thu 7/5

01:20-13:10

2 stops34h 50m

£812

LondonFreetown

LGW - FNA

LGWFNA

London Gatwick

Wed 18/2

08:30-07:35

2 stops23h 05m

Freetown Lungi Intl

Fri 6/3

05:20-15:10

1 stop9h 50m

£814

LondonFreetown

LHR - FNA

LHRFNA

London Heathrow

Mon 16/2

06:50-18:25

1 stop11h 35m

Freetown Lungi Intl

Sun 8/3

20:10-21:20

2 stops25h 10m

£825

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from London to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from London 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 London to Sierra Leone

What is the cheapest month to book a flight from London to Sierra Leone?

Currently, December is the cheapest month in which you can book a flight from London to Sierra Leone (average of £473). Flying from London to Sierra Leone in January is currently the most expensive (average of £658). 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.

What is the cheapest time of day to fly from LON to SL?

Find hourly flight availability from London to Sierra Leone. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 15% on flights from London to Sierra Leone by exploring options for tickets in the evening.

How often are flights from London to Sierra Leone delayed?

About 35% of weekly flights between London and Sierra Leone have experienced delays in the past year, with the average delay time being 88 minutes.

What is the most punctual flight time for London to Sierra Leone flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Sierra Leone flights?

Over the past year, Titan Airways have had the lowest number of delays on this route, with just 17% of flights being delayed.

Reviews of airlines servicing Sierra Leone

Get insights into the airlines that provide service to Sierra Leone. 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 Sierra Leone. Reviews last updated 7 December 2025.
Read reviews from past customers who have flown with SWISS, Turkish Airlines, andBrussels Airlines from London to Sierra Leone. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Crew

8.3

Entertainment

6.8

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.

Boarding

7.7

Crew

8.3

Entertainment

6.8

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.

Boarding

7.7

Crew

8.3

Entertainment

6.8

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.

Boarding

7.7

Crew

8.3

Entertainment

6.8

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.

Boarding

7.7

Crew

8.3

Entertainment

6.8

Food

7.1

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.

Related info for your journey

Find useful and relevant information for your journey from London to Sierra Leone. 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 London to Sierra Leone?

    Airlines like SWISS, Turkish Airlines, and Brussels Airlines fly from London to Sierra Leone in about 11h 35m. The time it takes to get you to your destination can typically vary by up to 20h 30m. The distance from London to Sierra Leone 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 London to Sierra Leone one-way?

    For one-way options, check prices for Brussels Airlines. According to our data, you can fly for as low as £353. Users have also found prices from £379 and £414 on SWISS and Royal Air Maroc, respectively.

  • What are the most popular routes from London to Sierra Leone?

  • Can I find deals for flights from London to Sierra Leone that include hotel bookings?

    Yes. In addition to deals on London to Sierra Leone flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Sierra Leone?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Sierra Leone.

  • Can I find deals for business class flights from London to Sierra Leone?

    Yes. Cheapflights offers flight deals from London to Sierra Leone 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 London to Sierra Leone?

    Currently, December is the cheapest month in which you can book a flight from London to Sierra Leone (average of £473). Flying from London to Sierra Leone in January is currently the most expensive (average of £658). 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

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.

Alternative routes for London to Sierra Leone

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from London to Sierra Leone

Discover the top 7 airlines that operate flights from London to Sierra Leone. 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 7 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Hahn AirCheapest£478Average£897FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
Kenya AirwaysCheapest£484Average£1,010FlexibilityNo cancel feeOn-time82%
Search Kenya Airways flights
SWISSCheapest£571Average£696FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Ethiopian AirCheapest£606Average£927FlexibilityNo cancel feeOn-time72%
Search Ethiopian Air flights
Brussels AirlinesCheapest£647Average£812FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Royal Air MarocCheapest£699Average£905FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
Turkish AirlinesCheapest£715Average£804FlexibilityNo cancel feeOn-time77%
Search Turkish 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 London to Sierra Leone?

Deals for London to Sierra Leone flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Sierra Leone?

Cheapflights simply makes it quick and affordable to book flights from London to Sierra Leone by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Sierra Leone with no change fees?

Need flexible booking options for your flight to Sierra Leone from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Sierra Leone become cheaper?

Of course! You can now track prices for flights from London to Sierra Leone and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.