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Cheap flights from Boston to Sierra Leone from $612

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sierra Leone departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:16 pm - 4:20 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
21h 04m3 stops Washington, D.C. Dulles Intl Lome Accra Kotoka
Multiple Airlines Logo
8:00 am - 11:54 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
20h 54m3 stops Accra Kotoka Lome Washington, D.C. Dulles Intl
$1,489Multiple Airlines
Wed, Jan 20 - Wed, Feb 10
Multiple Airlines Logo
3:48 pm - 4:20 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
20h 32m3 stops Newark Lome Accra Kotoka
Multiple Airlines Logo
8:00 am - 7:43 amFNA  Freetown Lungi Intl-BOS Boston Logan Intl
27h 43m3 stops Accra Kotoka Lome Newark
$1,497Multiple Airlines
Tue, Oct 6 - Thu, Oct 29
Multiple Airlines Logo
2:16 pm - 4:20 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
21h 04m3 stops Washington, D.C. Dulles Intl Lome Accra Kotoka
Multiple Airlines Logo
8:00 am - 4:25 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
37h 25m3 stops Accra Kotoka Lome Newark
$1,504Multiple Airlines
Wed, Jan 20 - Thu, Feb 11
Multiple Airlines Logo
10:51 am - 4:20 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
25h 29m3 stops Newark Lome Accra Kotoka
Multiple Airlines Logo
8:00 am - 7:43 amFNA  Freetown Lungi Intl-BOS Boston Logan Intl
28h 43m3 stops Accra Kotoka Lome Newark
$1,512Multiple Airlines
Tue, Oct 20 - Thu, Nov 19
Multiple Airlines Logo
10:35 am - 6:40 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
27h 05m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National
Multiple Airlines Logo
8:10 pm - 8:20 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
53h 10m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Zurich
$1,530Multiple Airlines
Wed, Jan 20 - Wed, Feb 10
United Airlines Logo
8:05 pm - 6:40 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
41h 35m2 stops Newark Brussels Bruxelles-National
United Airlines Logo
8:10 pm - 9:30 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
30h 20m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Chicago O'Hare Intl
$1,595United Airlines
Fri, Nov 6 - Tue, Nov 10
United Airlines Logo
3:41 pm - 6:40 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
45h 59m3 stops Newark Chicago O'Hare Intl Brussels Bruxelles-National
United Airlines Logo
8:10 pm - 6:57 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
27h 47m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Washington, D.C. Dulles Intl
$1,601United Airlines
Fri, Nov 6 - Tue, Nov 10
United Airlines Logo
7:30 am - 5:25 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
29h 55m2 stops Newark Brussels Bruxelles-National
United Airlines Logo
6:45 pm - 5:36 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
26h 51m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Chicago O'Hare Intl
$1,610United Airlines
Sat, Sep 5 - Sun, Sep 13
United Airlines Logo
8:05 pm - 6:40 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
41h 35m2 stops Newark Brussels Bruxelles-National
United Airlines Logo
8:10 pm - 9:30 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
30h 20m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Chicago O'Hare Intl
$1,624United Airlines
Fri, Nov 6 - Tue, Nov 10
Brussels Airlines Logo
2:48 pm - 6:40 pmBOS  Boston Logan Intl-FNA Freetown Lungi Intl
22h 52m3 stops Washington, D.C. Dulles Intl Paris Charles de Gaulle Brussels Bruxelles-National
Brussels Airlines Logo
8:10 pm - 1:45 pmFNA  Freetown Lungi Intl-BOS Boston Logan Intl
22h 35m3 stops Monrovia Roberts Intl Brussels Bruxelles-National Frankfurt am Main
$2,459Brussels Airlines
Tue, Dec 29 - Thu, Jan 28

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Ethiopian Air flights from Boston to Sierra Leone

Our best Ethiopian Air deals on Boston to Sierra Leone flight tickets
Ethiopian Air
Sep 5
BOS5:45 amBoston Logan Intl
55h 00m
4 stops
FNA4:45 pmFreetown Lungi Intl
Sep 12
FNA8:00 amFreetown Lungi Intl
19h 59m
3 stops
BOS11:59 pmBoston Logan Intl
$2,240
Ethiopian Air
Sep 5
BOS5:45 amBoston Logan Intl
30h 35m
3 stops
FNA4:20 pmFreetown Lungi Intl
Sep 13
FNA9:00 amFreetown Lungi Intl
57h 50m
4 stops
BOS2:50 pmBoston Logan Intl
$2,245
Ethiopian Air
Sep 5
BOS5:45 amBoston Logan Intl
55h 00m
4 stops
FNA4:45 pmFreetown Lungi Intl
Sep 13
FNA9:00 amFreetown Lungi Intl
57h 50m
4 stops
BOS2:50 pmBoston Logan Intl
$2,733

momondo 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, momondo users made 832,500 searches. Data last updated August 6, 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 Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Wed 1/20

2:16 pm-4:20 pm

3 stops21h 04m

Freetown Lungi Intl

Wed 2/10

8:00 am-11:54 pm

3 stops20h 54m

$1,489

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Tue 10/6

3:48 pm-4:20 pm

3 stops20h 32m

Freetown Lungi Intl

Thu 10/29

8:00 am-7:43 am

3 stops27h 43m

$1,497

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Wed 1/20

2:16 pm-4:20 pm

3 stops21h 04m

Freetown Lungi Intl

Thu 2/11

8:00 am-4:25 pm

3 stops37h 25m

$1,504

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Tue 10/20

10:51 am-4:20 pm

3 stops25h 29m

Freetown Lungi Intl

Thu 11/19

8:00 am-7:43 am

3 stops28h 43m

$1,512

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Wed 1/20

10:35 am-6:40 pm

2 stops27h 05m

Freetown Lungi Intl

Wed 2/10

8:10 pm-8:20 pm

3 stops53h 10m

$1,530

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Fri 11/6

8:05 pm-6:40 pm

2 stops41h 35m

Freetown Lungi Intl

Tue 11/10

8:10 pm-9:30 pm

3 stops30h 20m

$1,595

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

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

$1,601

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Sat 9/5

7:30 am-5:25 pm

2 stops29h 55m

Freetown Lungi Intl

Sun 9/13

6:45 pm-5:36 pm

3 stops26h 51m

$1,610

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Fri 11/6

8:05 pm-6:40 pm

2 stops41h 35m

Freetown Lungi Intl

Tue 11/10

8:10 pm-9:30 pm

3 stops30h 20m

$1,624

BostonFreetown

BOS Boston Logan Intl - FNA Freetown Lungi Intl

BOSFNA

Boston Logan Intl

Tue 12/29

2:48 pm-6:40 pm

3 stops22h 52m

Freetown Lungi Intl

Thu 1/28

8:10 pm-1:45 pm

3 stops22h 35m

$2,459

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Sierra Leone from

How to get the cheapest flight ticket from Boston to Sierra Leone

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sierra Leone?

The cheapest month to fly to Sierra Leone from Boston is in September. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Sierra Leone in September, then you should wait until July to fly from Boston, when ticket prices are also cheap, with an average price of $0.

Cheap Boston to Sierra Leone flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Sierra Leone

Fastest flight time

21h 04m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 21h 04m
There are no direct flights from Boston to Sierra Leone. There are no popular flight routes from Boston to Sierra Leone.
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Frequently asked questions about flying from Boston to Sierra Leone

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Sierra Leone?

    Prices for flights from Boston Logan Intl Airport to Sierra Leone are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Sierra Leone?

  • How old do you have to be to fly from Boston Logan Intl Airport to Sierra Leone?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Sierra Leone.

  • What documentation or ID do you need to fly to Sierra Leone?

    The necessary travel and health documents for your Sierra Leone trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Boston to Sierra Leone

Compare and see reviews for airlines that fly from Boston to Sierra Leone with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $1,315Free CancellationRating
7.4
4,467 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,370Free CancellationRating
7.4
10,069 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,412Free CancellationRating
7.3
431 reviews
Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Sierra Leone?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Sierra Leone. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Sierra Leone with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sierra Leone from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Sierra Leone?

Once you have performed a search for Boston to Sierra Leone flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Sierra Leone right now. Can momondo alert me if prices change?

Price alerts on flights to Sierra Leone from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Sierra Leone trip

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Find better results for your trip to Sierra Leone

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