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Sierra Leone

$592+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FNA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap 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 July 27, 2026.

This CheapOair deal was found by Cheapflights users on 7/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 pm
BOS
-
FNA
2 stops29h 25m
Multiple Airlines
Fri 9/185:25 am
FNA
-
BOS
2 stops30h 34m
Multiple Airlines
Deal found 7/26$1,536
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 pm
BOS
-
FNA
2 stops41h 35m
United Airlines
Tue 11/108:10 pm
FNA
-
BOS
3 stops30h 20m
United Airlines
Deal found 7/27$1,604
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/162:28 pm
BOS
-
FNA
2 stops22h 47m
United Airlines
Sun 9/206:45 pm
FNA
-
BOS
3 stops31h 14m
United Airlines
Deal found 7/26$1,620
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 9/117:23 pm
BOS
-
FNA
2 stops42h 02m
United Airlines
Fri 9/186:45 pm
FNA
-
BOS
3 stops26h 03m
United Airlines
Deal found 7/26$1,625
This Fareboom deal was found by Cheapflights users on 7/24. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:55 am
BOS
-
FNA
3 stops25h 25m
Multiple Airlines
Thu 8/208:05 am
FNA
-
BOS
3 stops28h 12m
Multiple Airlines
Deal found 7/24$1,780
This oojo deal was found by Cheapflights users on 7/26. 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.
Thu 12/39:50 am
BOS
-
FNA
3 stops49h 55m
Ethiopian Air
Mon 12/147:55 am
FNA
-
BOS
3 stops20h 59m
Ethiopian Air
Deal found 7/26$1,784
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:46 am
BOS
-
FNA
2 stops29h 39m
United Airlines
Thu 9/176:35 pm
FNA
-
BOS
3 stops34h 35m
United Airlines
Deal found 7/27$1,794
This oojo deal was found by Cheapflights users on 7/26. 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.
Fri 9/115:45 am
BOS
-
FNA
3 stops31h 00m
Ethiopian Air
Fri 9/187:55 am
FNA
-
BOS
3 stops39h 33m
Ethiopian Air
Deal found 7/26$1,810
This oojo deal was found by Cheapflights users on 7/26. 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.
Thu 12/39:50 am
BOS
-
FNA
3 stops49h 55m
Ethiopian Air
Sat 12/127:55 am
FNA
-
BOS
3 stops20h 59m
Ethiopian Air
Deal found 7/26$1,829
This CheapOair deal was found by Cheapflights users on 7/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:07 pm
BOS
-
FNA
2 stops51h 13m
Multiple Airlines
Sun 12/135:20 am
FNA
-
BOS
2 stops23h 28m
Multiple Airlines
Deal found 7/26$1,845
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Tue 7/287:27 pm
BOS
-
FNA
2 stops41h 48m
United Airlines
Thu 8/206:35 pm
FNA
-
BOS
3 stops43h 43m
United Airlines
Deal found 7/24$1,885

Find 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,536
(CheapOair)

One-way from

$592
(FlightHub)

Popular in

January

Cheapest in

March

Average price

$1,667
Provider with most accurate pricing for Boston Logan Intl-Freetown Lungi Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Freetown Lungi Intl flights.
Search Deals
From Boston Logan Intl to Sierra Leone
Search Deals
One-way flight from Boston Logan Intl to Sierra Leone
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 27, 2026.
Use the filters below to find and compare flights from Boston to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 9/16

2:28 pm-5:15 pm

2 stops22h 47m

Freetown Lungi Intl

Sun 9/20

6:45 pm-9:59 pm

3 stops31h 14m

$1,620

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 11/6

3:41 pm-6:40 pm

3 stops45h 59m

Freetown Lungi Intl

Tue 11/10

8:10 pm-6:57 pm

3 stops27h 47m

$1,722

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 12/3

8:07 pm-4:20 am

2 stops51h 13m

Freetown Lungi Intl

Sat 12/12

5:20 am-11:48 pm

2 stops23h 28m

$1,845

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 12/3

8:07 pm-4:20 am

2 stops51h 13m

Freetown Lungi Intl

Sun 12/13

5:20 am-11:48 pm

2 stops23h 28m

$1,845

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 9/16

5:45 am-4:20 pm

3 stops30h 35m

Freetown Lungi Intl

Sun 9/20

9:00 am-11:59 pm

4 stops42h 59m

$1,887

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 12/3

4:05 pm-6:40 pm

2 stops21h 35m

Freetown Lungi Intl

Mon 12/14

7:45 pm-9:58 am

3 stops43h 13m

$1,911
Cheapest one-way

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 8/17

8:09 pm-4:25 am

2 stops28h 16m

$611

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 8/19

4:30 pm-4:25 am

2 stops31h 55m

$858
Quickest one-way

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/15

6:00 am-4:25 am

2 stops18h 25m

$858

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 8/23

9:00 pm-4:45 pm

4 stops63h 45m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

No data available for this route at this time. Please check back soon.

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 July 27, 2026.
Peruse reviews from past customers who have flown with Turkish Airlines,United Airlines, andBrussels 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.
Turkish Airlines
7.4
Good
4,454 reviews

Food

7.5

Entertainment

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Turkish Airlines
7.4
Good
4,454 reviews
Turkish Airlines
7.4
Good
4,454 reviews

Food

7.5

Entertainment

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
United Airlines
7.4
Good
10,045 reviews
Turkish Airlines
7.4
Good
4,454 reviews

Food

7.5

Entertainment

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Brussels Airlines
7.2
Good
424 reviews
Turkish Airlines
7.4
Good
4,454 reviews

Food

7.5

Entertainment

7.5

Comfort

7.3

Overall

7.4

Boarding

7.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

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.

  • How long is the flight from Boston to Sierra Leone?

    Departing from Boston to Sierra Leone will take you 22h 47m. Airlines will cover a distance of 4188 mi.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,315Average$1,475FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$1,370Average$1,727FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$1,412Average$1,584FlexibilityNo cancel feeOn-timeN/A

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