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Cheap flights from Boston to Sierra Leone from $692

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 5/6. 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 - 6:05 pm
FNA
-
BOS
21h 40m
2 stops
$1,529Turkish Airlines
Wed, Sep 30 - Sun, Nov 29
Air Canada Logo
5:50 am - 5:15 pm
BOS
-
FNA
31h 25m
2 stops
Air Canada Logo
7:45 pm - 4:57 pm
FNA
-
BOS
26h 12m
3 stops
$1,544Air Canada
Wed, Sep 30 - Mon, Nov 30
Air Canada Logo
3:35 pm - 5:25 pm
BOS
-
FNA
45h 50m
3 stops
Air Canada Logo
7:45 pm - 4:57 pm
FNA
-
BOS
26h 12m
3 stops
$1,563Air Canada
Wed, Sep 30 - Mon, Nov 30
Multiple Airlines Logo
3:40 pm - 5:25 pm
BOS
-
FNA
21h 45m
2 stops
Multiple Airlines Logo
6:45 pm - 2:47 pm
FNA
-
BOS
24h 02m
3 stops
$1,568Multiple Airlines
Tue, Jun 2 - Wed, Jun 10
Multiple Airlines Logo
3:40 pm - 5:25 pm
BOS
-
FNA
21h 45m
2 stops
Multiple Airlines Logo
6:45 pm - 9:27 pm
FNA
-
BOS
30h 42m
3 stops
$1,581Multiple Airlines
Mon, Jun 1 - Sun, Jun 7
Multiple Airlines Logo
10:40 am - 5:25 pm
BOS
-
FNA
26h 45m
2 stops
Multiple Airlines Logo
6:35 pm - 7:55 pm
FNA
-
BOS
29h 20m
3 stops
$1,614Multiple Airlines
Tue, Jun 23 - Thu, Jul 23
Brussels Airlines Logo
2:15 pm - 5:25 pm
BOS
-
FNA
23h 10m
3 stops
Brussels Airlines Logo
6:45 pm - 2:47 pm
FNA
-
BOS
24h 02m
3 stops
$1,622Brussels Airlines
Mon, Jun 1 - Sun, Jun 7
Air Canada Logo
5:50 am - 5:25 pm
BOS
-
FNA
31h 35m
2 stops
Air Canada Logo
6:45 pm - 5:42 pm
FNA
-
BOS
26h 57m
3 stops
$1,629Air Canada
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
9:30 am - 4:25 pm
BOS
-
FNA
26h 55m
3 stops
Multiple Airlines Logo
8:05 am - 9:11 am
FNA
-
BOS
29h 06m
3 stops
$1,648Multiple Airlines
Wed, May 6 - Thu, May 14
Multiple Airlines Logo
5:50 am - 5:25 pm
BOS
-
FNA
31h 35m
2 stops
Multiple Airlines Logo
6:35 pm - 7:55 pm
FNA
-
BOS
53h 20m
3 stops
$1,649Multiple Airlines
Tue, Jun 16 - Mon, Jun 22

Ethiopian Air flights from Boston to Sierra Leone

Our best Ethiopian Air deals on Boston to Sierra Leone flight tickets
Ethiopian Air
May 16
BOS5:45 amBoston Logan Intl
30h 40m
3 stops
FNA4:25 pmFreetown Lungi Intl
Jun 16
FNA8:05 amFreetown Lungi Intl
36h 33m
3 stops
BOS4:38 pmBoston Logan Intl
$1,913
Ethiopian Air
May 1
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
May 8
FNA8:05 amFreetown Lungi Intl
33h 46m
3 stops
BOS1:51 pmBoston Logan Intl
$1,937
Ethiopian Air
May 16
BOS5:45 amBoston Logan Intl
30h 40m
3 stops
FNA4:25 pmFreetown Lungi Intl
Jun 16
FNA9:00 amFreetown Lungi Intl
38h 14m
4 stops
BOS7:14 pmBoston Logan Intl
$1,984

Brussels Airlines flights from Boston to Sierra Leone

Our best Brussels Airlines deals on Boston to Sierra Leone flight tickets
Brussels Airlines
Jun 1
BOS2:15 pmBoston Logan Intl
23h 10m
3 stops
FNA5:25 pmFreetown Lungi Intl
Jun 7
FNA6:45 pmFreetown Lungi Intl
24h 02m
3 stops
BOS2:47 pmBoston Logan Intl
$1,622
Brussels Airlines
Jun 16
BOS2:15 pmBoston Logan Intl
23h 10m
3 stops
FNA5:25 pmFreetown Lungi Intl
Jun 23
FNA6:45 pmFreetown Lungi Intl
23h 56m
3 stops
BOS2:41 pmBoston Logan Intl
$1,652
Brussels Airlines
Jun 16
BOS2:15 pmBoston Logan Intl
23h 10m
3 stops
FNA5:25 pmFreetown Lungi Intl
Jun 22
FNA6:35 pmFreetown Lungi Intl
27h 05m
3 stops
BOS5:40 pmBoston Logan Intl
$1,674

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 April 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 - FNA

BOSFNA

Boston Logan Intl

Wed 9/30

9:50 pm-12:25 am

2 stops22h 35m

Freetown Lungi Intl

Sun 11/29

1:25 am-6:05 pm

2 stops21h 40m

$1,529

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 9/30

5:50 am-5:15 pm

2 stops31h 25m

Freetown Lungi Intl

Mon 11/30

7:45 pm-4:57 pm

3 stops26h 12m

$1,544

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 9/30

3:35 pm-5:25 pm

3 stops45h 50m

Freetown Lungi Intl

Mon 11/30

7:45 pm-4:57 pm

3 stops26h 12m

$1,563

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 6/2

3:40 pm-5:25 pm

2 stops21h 45m

Freetown Lungi Intl

Wed 6/10

6:45 pm-2:47 pm

3 stops24h 02m

$1,568

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 6/1

3:40 pm-5:25 pm

2 stops21h 45m

Freetown Lungi Intl

Sun 6/7

6:45 pm-9:27 pm

3 stops30h 42m

$1,581

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 6/23

10:40 am-5:25 pm

2 stops26h 45m

Freetown Lungi Intl

Thu 7/23

6:35 pm-7:55 pm

3 stops29h 20m

$1,614

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 6/1

2:15 pm-5:25 pm

3 stops23h 10m

Freetown Lungi Intl

Sun 6/7

6:45 pm-2:47 pm

3 stops24h 02m

$1,622

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 6/16

5:50 am-5:25 pm

2 stops31h 35m

Freetown Lungi Intl

Tue 6/23

6:45 pm-5:42 pm

3 stops26h 57m

$1,629

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 5/6

9:30 am-4:25 pm

3 stops26h 55m

Freetown Lungi Intl

Thu 5/14

8:05 am-9:11 am

3 stops29h 06m

$1,648

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 6/16

5:50 am-5:25 pm

2 stops31h 35m

Freetown Lungi Intl

Mon 6/22

6:35 pm-7:55 pm

3 stops53h 20m

$1,649

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 airline that flies from Boston Logan Intl to Sierra Leone?

Air Canada 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 55% of people opting to fly with this airline when traveling to Sierra Leone. Keep in mind that there are 4 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

21h 40m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 21h 40m
There are no direct flights from Boston to Sierra Leone. There are no popular flight routes from Boston to Sierra Leone.
Search flight deals

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
United AirlinesPriceFrom $834Free CancellationRating
7.4
9,548 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $1,315Free CancellationRating
7.3
4,300 reviews
Search Turkish Airlines flights
Brussels AirlinesPriceFrom $1,376Free CancellationRating
7.2
398 reviews
Search Brussels Airlines flights
Ethiopian AirPriceFrom $1,610Free CancellationRating
7.2
997 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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