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Cheap flights from Boston to Sierra Leone from $739

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 5/9. 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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Find the cheapest flights from Boston to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:50 pm - 12:25 am
BOS
-
FNA
22h 35m
2 stops
Turkish Airlines Logo
1:25 am - 7:55 pm
FNA
-
BOS
22h 30m
2 stops
$1,491Turkish Airlines
Mon, May 11 - Sun, May 24
Turkish Airlines Logo
9:50 pm - 12:25 am
BOS
-
FNA
22h 35m
2 stops
Turkish Airlines Logo
1:25 am - 7:55 pm
FNA
-
BOS
22h 30m
2 stops
$1,514Turkish Airlines
Mon, May 11 - Sun, May 24
Turkish Airlines Logo
9:50 pm - 12:25 am
BOS
-
FNA
22h 35m
2 stops
Turkish Airlines Logo
1:25 am - 7:55 pm
FNA
-
BOS
22h 30m
2 stops
$1,542Turkish Airlines
Sat, Aug 22 - Sun, Sep 6
Turkish Airlines Logo
9:50 pm - 12:25 am
BOS
-
FNA
22h 35m
2 stops
Turkish Airlines Logo
1:25 am - 7:55 pm
FNA
-
BOS
22h 30m
2 stops
$1,560Turkish Airlines
Sat, Aug 22 - Sun, Sep 6
Multiple Airlines Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Multiple Airlines Logo
8:05 am - 2:45 pm
FNA
-
BOS
34h 40m
3 stops
$1,566Multiple Airlines
Sat, Aug 22 - Mon, Sep 7
Brussels Airlines Logo
11:00 am - 5:25 pm
BOS
-
FNA
26h 25m
2 stops
Brussels Airlines Logo
6:35 pm - 5:40 pm
FNA
-
BOS
27h 05m
3 stops
$1,569Brussels Airlines
Tue, Jun 23 - Thu, Jul 23
SWISS Logo
9:40 pm - 5:15 pm
BOS
-
FNA
39h 35m
2 stops
SWISS Logo
6:35 pm - 7:55 pm
FNA
-
BOS
53h 20m
3 stops
$1,581SWISS
Sat, Aug 22 - Mon, Sep 7
Ethiopian Air Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Ethiopian Air Logo
8:05 am - 2:45 pm
FNA
-
BOS
34h 40m
3 stops
$1,582Ethiopian Air
Sat, Aug 22 - Mon, Sep 7
Multiple Airlines Logo
8:30 am - 4:25 pm
BOS
-
FNA
27h 55m
3 stops
Multiple Airlines Logo
8:05 am - 8:17 am
FNA
-
BOS
28h 12m
3 stops
$1,671Multiple Airlines
Thu, Apr 30 - Thu, May 21
Multiple Airlines Logo
5:45 am - 4:25 pm
BOS
-
FNA
30h 40m
3 stops
Multiple Airlines Logo
8:05 am - 11:59 pm
FNA
-
BOS
19h 54m
3 stops
$1,724Multiple Airlines
Mon, May 11 - Mon, May 25

Brussels Airlines flights from Boston to Sierra Leone

Our best Brussels Airlines deals on Boston to Sierra Leone flight tickets
Brussels Airlines
Jun 23
BOS11:00 amBoston Logan Intl
26h 25m
2 stops
FNA5:25 pmFreetown Lungi Intl
Jul 23
FNA6:35 pmFreetown Lungi Intl
27h 05m
3 stops
BOS5:40 pmBoston Logan Intl
$1,569
Brussels Airlines
Mar 27
BOS9:40 pmBoston Logan Intl
39h 45m
2 stops
FNA5:25 pmFreetown Lungi Intl
Apr 15
FNA6:45 pmFreetown Lungi Intl
25h 37m
3 stops
BOS4:22 pmBoston Logan Intl
$1,882
Brussels Airlines
Mar 22
BOS5:25 pmBoston Logan Intl
20h 50m
2 stops
FNA6:15 pmFreetown Lungi Intl
Apr 7
FNA6:45 pmFreetown Lungi Intl
26h 55m
3 stops
BOS5:40 pmBoston Logan Intl
$1,905

United Airlines flights from Boston to Sierra Leone

Our best United Airlines deals on Boston to Sierra Leone flight tickets
United Airlines
Apr 2
BOS11:00 amBoston Logan Intl
26h 25m
2 stops
FNA5:25 pmFreetown Lungi Intl
May 8
FNA6:45 pmFreetown Lungi Intl
26h 37m
3 stops
BOS5:22 pmBoston Logan Intl
$2,008
United Airlines
Apr 2
BOS6:00 amBoston Logan Intl
31h 25m
2 stops
FNA5:25 pmFreetown Lungi Intl
Apr 29
FNA6:45 pmFreetown Lungi Intl
34h 14m
3 stops
BOS12:59 amBoston Logan Intl
$2,037
United Airlines
Apr 2
BOS3:28 pmBoston Logan Intl
21h 57m
2 stops
FNA5:25 pmFreetown Lungi Intl
Apr 29
FNA6:45 pmFreetown Lungi Intl
34h 14m
3 stops
BOS12:59 amBoston Logan Intl
$2,087

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 March 21, 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

Mon 5/11

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Sun 5/24

1:25 am-7:55 pm

2 stops22h 30m

$1,491

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 5/11

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Sun 5/24

1:25 am-7:55 pm

2 stops22h 30m

$1,514

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/22

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Sun 9/6

1:25 am-7:55 pm

2 stops22h 30m

$1,542

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/22

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Sun 9/6

1:25 am-7:55 pm

2 stops22h 30m

$1,560

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/22

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Mon 9/7

8:05 am-2:45 pm

3 stops34h 40m

$1,566

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 6/23

11:00 am-5:25 pm

2 stops26h 25m

Freetown Lungi Intl

Thu 7/23

6:35 pm-5:40 pm

3 stops27h 05m

$1,569

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/22

9:40 pm-5:15 pm

2 stops39h 35m

Freetown Lungi Intl

Mon 9/7

6:35 pm-7:55 pm

3 stops53h 20m

$1,581

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/22

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Mon 9/7

8:05 am-2:45 pm

3 stops34h 40m

$1,582

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Thu 4/30

8:30 am-4:25 pm

3 stops27h 55m

Freetown Lungi Intl

Thu 5/21

8:05 am-8:17 am

3 stops28h 12m

$1,671

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 5/11

5:45 am-4:25 pm

3 stops30h 40m

Freetown Lungi Intl

Mon 5/25

8:05 am-11:59 pm

3 stops19h 54m

$1,724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Boston Logan Intl to Sierra Leone?

Turkish Airlines is the most popular carrier operating from Boston Logan Intl to Sierra Leone

What airlines fly to Sierra Leone?

Brussels Airlines, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Sierra Leone from Boston according to our data. Brussels Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Sierra Leone. Keep in mind that there are 3 different airlines that fly to Sierra Leone on a routine basis, so you have a few additional options to choose from.

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

20h 05m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 20h 05m
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
United AirlinesPriceFrom $834Free CancellationRating
7.4
9,452 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $1,315Free CancellationRating
7.3
4,266 reviews
Search Turkish Airlines flights
Brussels AirlinesPriceFrom $1,376Free CancellationRating
7.2
391 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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