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Sierra Leone

$562+ Cheap flights from Boston (BOS) to Sierra Leone

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FNA
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap flight deals from Boston to Sierra Leone

Keep the following information in mind while searching for Boston to Sierra Leone flight deals. Data was last updated julio 30, 2025.

Round-trip from

$1,041
(SWISS)
From Boston Logan Intl to Sierra Leone
Search Deals

Find flight deals from Boston to Sierra Leone

Cheapest flights from Boston to Sierra Leone
Explore the most affordable flight options available from Boston to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

This SWISS deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/129:40 pmBOS - FNA
2 stops39h 45mSWISS
vie. 9/196:45 pmFNA - BOS
3 stops48h 40mSWISS
Deal found 7/29$1,041
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/16:30 pmBOS - FNA
2 stops42h 55mAir Canada
mié. 10/156:45 pmFNA - BOS
3 stops42h 45mAir Canada
Deal found 7/29$1,375
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1912:13 pmBOS - FNA
2 stops25h 12mUnited Airlines
mar. 8/266:45 pmFNA - BOS
3 stops25h 43mUnited Airlines
Deal found 7/30$1,389
This Brussels Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/303:40 pmBOS - FNA
3 stops47h 00mBrussels Airlines
dom. 11/168:05 pmFNA - BOS
3 stops23h 47mBrussels Airlines
Deal found 7/29$1,400
This Expedia deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3010:55 pmBOS - FNA
2 stops39h 45mMultiple Airlines
dom. 11/168:05 pmFNA - BOS
3 stops28h 07mMultiple Airlines
Deal found 7/29$1,409
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/122:45 pmBOS - FNA
3 stops35h 15mRoyal Air Maroc
vie. 9/194:45 amFNA - BOS
3 stops23h 29mRoyal Air Maroc
Deal found 7/29$1,449
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/159:35 pmBOS - FNA
2 stops22h 55mTurkish Airlines
sáb. 10/181:30 amFNA - BOS
2 stops22h 10mTurkish Airlines
Deal found 7/27$1,531
This Travelocity deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/305:30 amBOS - FNA
4 stops55h 15mEthiopian Air
dom. 11/169:00 amFNA - BOS
4 stops43h 42mEthiopian Air
Deal found 7/29$1,610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 2,558,603 searches. Data last updated julio 30, 2025.
Use the filters below to find and compare flights from Boston to Sierra Leone that are best for you.

Fly from

Boston

Fly to

Sierra Leone

Route

Depart

Return

Price

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

vie. 9/12

9:40 pm-5:25 pm

2 stops39h 45m

Freetown Lungi Intl

vie. 9/19

6:45 pm-3:25 pm

3 stops48h 40m

$1,041

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

mié. 10/1

6:30 pm-5:25 pm

2 stops42h 55m

Freetown Lungi Intl

mié. 10/15

6:45 pm-9:30 am

3 stops42h 45m

$1,375

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

mar. 8/19

12:13 pm-5:25 pm

2 stops25h 12m

Freetown Lungi Intl

mar. 8/26

6:45 pm-4:28 pm

3 stops25h 43m

$1,389

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

jue. 10/30

3:40 pm-6:40 pm

3 stops47h 00m

Freetown Lungi Intl

dom. 11/16

8:05 pm-2:52 pm

3 stops23h 47m

$1,400

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

jue. 10/30

10:55 pm-6:40 pm

2 stops39h 45m

Freetown Lungi Intl

dom. 11/16

8:05 pm-7:12 pm

3 stops28h 07m

$1,409

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

vie. 9/12

2:45 pm-6:00 am

3 stops35h 15m

Freetown Lungi Intl

vie. 9/19

4:45 am-12:14 am

3 stops23h 29m

$1,449

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

mié. 10/15

9:35 pm-12:30 am

2 stops22h 55m

Freetown Lungi Intl

sáb. 10/18

1:30 am-7:40 pm

2 stops22h 10m

$1,531

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

jue. 10/30

5:30 am-4:45 pm

4 stops55h 15m

Freetown Lungi Intl

dom. 11/16

9:00 am-11:42 pm

4 stops43h 42m

$1,610

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

dom. 11/23

10:40 pm-7:35 am

2 stops27h 55m

$562

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

sáb. 11/22

3:40 pm-6:40 pm

2 stops22h 00m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 results
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Best time to book a flight from Boston to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Boston with our price prediction graph.
Estimated round-trip 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 Boston to Sierra Leone

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

Find hourly flight availability from Boston 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 julio 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Sierra Leone as you normally would.

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 julio 30, 2025.
Peruse reviews from past customers who have flown with SWISS, United Airlines, and Turkish Airlines from Boston to Sierra Leone 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.
SWISS
7.5
Good
1,686 reviews

Crew

8.2

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Food

7.1

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews

Crew

8.2

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Food

7.1

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
United Airlines
7.4
Good
8,896 reviews
SWISS
7.5
Good
1,686 reviews

Crew

8.2

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Food

7.1

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Turkish Airlines
7.3
Good
3,928 reviews
SWISS
7.5
Good
1,686 reviews

Crew

8.2

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Food

7.1

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Brussels Airlines
7.3
Good
350 reviews
SWISS
7.5
Good
1,686 reviews

Crew

8.2

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Food

7.1

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Ethiopian Air
7.2
Good
803 reviews
SWISS
7.5
Good
1,686 reviews

Crew

8.2

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Food

7.1

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Related info for your journey

Find useful and relevant information for your journey from Boston to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Sierra Leone?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Sierra Leone.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Boston to Sierra Leone (average of $1,174). Flying from Boston to Sierra Leone in December is currently the most expensive (average of $1,886). 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

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Top 3 airlines flying from Boston to Sierra Leone

Discover the top 3 airlines that operate flights from Boston 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 2,558,603 searches. Data last updated julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,385Average$1,461FlexibilityNo cancel feeOn-time77%
Brussels AirlinesCheapest$1,426Average$1,716FlexibilityNo cancel feeOn-timeN/A
Ethiopian AirCheapest$1,491Average$1,864FlexibilityNo cancel feeOn-time72%

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