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Cheap flights from Boston to Sierra Leone from $563

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 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:00 pm - 12:20 amBOS-FNA
23h 20m2 stops
Turkish Airlines Logo
1:20 am - 6:05 pmFNA-BOS
21h 45m2 stops
$1,274Turkish Airlines
Find Deal
Wed, Dec 31 - Tue, Feb 3
Turkish Airlines Logo
8:00 pm - 12:20 amBOS-FNA
23h 20m2 stops
Turkish Airlines Logo
1:20 am - 6:05 pmFNA-BOS
21h 45m2 stops
$1,357Turkish Airlines
Find Deal
Wed, Jan 14 - Tue, Jan 20
Multiple Airlines Logo
2:20 pm - 4:25 pmBOS-FNA
21h 05m3 stops
Multiple Airlines Logo
8:05 am - 11:49 pmFNA-BOS
20h 44m3 stops
$1,488Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
2:20 pm - 4:25 pmBOS-FNA
21h 05m3 stops
Multiple Airlines Logo
8:05 am - 11:49 pmFNA-BOS
20h 44m3 stops
$1,489Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
Brussels Airlines Logo
2:27 pm - 6:40 pmBOS-FNA
23h 13m2 stops
Brussels Airlines Logo
8:10 pm - 6:57 pmFNA-BOS
27h 47m2 stops
$1,543Brussels Airlines
Find Deal
Sat, Jan 17 - Fri, Jan 30
United Airlines Logo
7:22 pm - 6:25 pmBOS-FNA
42h 03m2 stops
United Airlines Logo
8:10 pm - 11:49 pmFNA-BOS
32h 39m3 stops
$1,549United Airlines
Find Deal
Sat, Jan 17 - Fri, Jan 30
Multiple Airlines Logo
5:20 am - 4:25 pmBOS-FNA
30h 05m3 stops
Multiple Airlines Logo
8:05 am - 11:49 pmFNA-BOS
20h 44m3 stops
$1,561Multiple Airlines
Find Deal
Wed, Dec 31 - Wed, Feb 4
Turkish Airlines Logo
8:00 pm - 12:20 amBOS-FNA
23h 20m2 stops
Turkish Airlines Logo
1:20 am - 6:05 pmFNA-BOS
21h 45m2 stops
$1,603Turkish Airlines
Find Deal
Wed, Jan 14 - Tue, Jan 20
Air Canada Logo
6:40 pm - 6:25 pmBOS-FNA
42h 45m2 stops
Air Canada Logo
8:10 pm - 9:27 pmFNA-BOS
30h 17m3 stops
$1,606Air Canada
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Sat, Nov 29 - Wed, Dec 3
Multiple Airlines Logo
5:20 am - 4:25 pmBOS-FNA
30h 05m3 stops
Multiple Airlines Logo
8:05 am - 11:49 pmFNA-BOS
20h 44m3 stops
$1,652Multiple Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 17

Ethiopian Air flights from Boston to Sierra Leone

Our best Ethiopian Air deals on Boston to Sierra Leone flight tickets
Ethiopian Air
Dec 1
BOS8:20 pmBoston Logan Intl
39h 05m
2 stops
FNA4:25 pmFreetown Lungi Intl
Dec 30
FNA8:05 amFreetown Lungi Intl
28h 36m
2 stops
BOS7:41 amBoston Logan Intl
$1,939
Find similar
Ethiopian Air
Dec 1
BOS8:20 pmBoston Logan Intl
39h 05m
3 stops
FNA4:25 pmFreetown Lungi Intl
Dec 30
FNA8:05 amFreetown Lungi Intl
21h 11m
3 stops
BOS12:16 amBoston Logan Intl
$1,946
Find similar
Ethiopian Air
Dec 10
BOS5:30 amBoston Logan Intl
29h 55m
3 stops
FNA4:25 pmFreetown Lungi Intl
Dec 28
FNA8:05 amFreetown Lungi Intl
21h 11m
3 stops
BOS12:16 amBoston Logan Intl
$2,015
Find similar

Turkish Airlines flights from Boston to Sierra Leone

Our best Turkish Airlines deals on Boston to Sierra Leone flight tickets
Turkish Airlines
Dec 31
BOS8:00 pmBoston Logan Intl
23h 20m
2 stops
FNA12:20 amFreetown Lungi Intl
Feb 3
FNA1:20 amFreetown Lungi Intl
21h 45m
2 stops
BOS6:05 pmBoston Logan Intl
$1,274
Find similar
Turkish Airlines
Jan 14
BOS8:00 pmBoston Logan Intl
23h 20m
2 stops
FNA12:20 amFreetown Lungi Intl
Jan 20
FNA1:20 amFreetown Lungi Intl
21h 45m
2 stops
BOS6:05 pmBoston Logan Intl
$1,357
Find similar
Turkish Airlines
Jan 14
BOS8:00 pmBoston Logan Intl
23h 20m
2 stops
FNA12:20 amFreetown Lungi Intl
Jan 20
FNA1:20 amFreetown Lungi Intl
21h 45m
2 stops
BOS6:05 pmBoston Logan Intl
$1,603
Find similar

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 November 13, 2025.
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

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 12/31

8:00 pm-12:20 am

2 stops23h 20m

Freetown Lungi Intl

Tue 2/3

1:20 am-6:05 pm

2 stops21h 45m

$1,274

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 1/14

8:00 pm-12:20 am

2 stops23h 20m

Freetown Lungi Intl

Tue 1/20

1:20 am-6:05 pm

2 stops21h 45m

$1,357

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 1/14

2:20 pm-4:25 pm

3 stops21h 05m

Freetown Lungi Intl

Wed 1/21

8:05 am-11:49 pm

3 stops20h 44m

$1,488

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 1/14

2:20 pm-4:25 pm

3 stops21h 05m

Freetown Lungi Intl

Wed 1/21

8:05 am-11:49 pm

3 stops20h 44m

$1,489

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 1/17

2:27 pm-6:40 pm

2 stops23h 13m

Freetown Lungi Intl

Fri 1/30

8:10 pm-6:57 pm

2 stops27h 47m

$1,543

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 1/17

7:22 pm-6:25 pm

2 stops42h 03m

Freetown Lungi Intl

Fri 1/30

8:10 pm-11:49 pm

3 stops32h 39m

$1,549

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 12/31

5:20 am-4:25 pm

3 stops30h 05m

Freetown Lungi Intl

Wed 2/4

8:05 am-11:49 pm

3 stops20h 44m

$1,561

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 1/14

8:00 pm-12:20 am

2 stops23h 20m

Freetown Lungi Intl

Tue 1/20

1:20 am-6:05 pm

2 stops21h 45m

$1,603

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 11/29

6:40 pm-6:25 pm

2 stops42h 45m

Freetown Lungi Intl

Wed 12/3

8:10 pm-9:27 pm

3 stops30h 17m

$1,606

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 1/3

5:20 am-4:25 pm

3 stops30h 05m

Freetown Lungi Intl

Sat 1/17

8:05 am-11:49 pm

3 stops20h 44m

$1,652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 day to depart on your flight to Sierra Leone?

Our data shows that Wednesday is the least expensive day to fly to Sierra Leone. Tickets to fly out on this day can be as low as $1,547. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,290.

What is the cheapest time of day to depart on your flight to Sierra Leone?

According to our data, the cheapest time of day to fly to Sierra Leone is in the evening. momondo users have found flights departing from Boston to Sierra Leone in the evening for as low as $1,540. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $2,176 on average. Flights to Sierra Leone from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
There are no direct flights from Boston to Sierra Leone. There are no popular flight routes from Boston to Sierra Leone.
Search flight deals

  • 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 $1,191Free CancellationRating
7.3
4,044 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,368Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,422Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
Ethiopian AirPriceFrom $1,457Free CancellationRating
7.2
894 reviews
Search Ethiopian Air 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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