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Cheap flights from Boston to Sierra Leone from $1,561

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sierra Leone departing on 10/4. 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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Find the cheapest flights from Boston to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:40 am - 5:15 pm
BOS
-
FNA
26h 35m
2 stops
Air Canada Logo
6:35 pm - 6:07 pm
FNA
-
BOS
27h 32m
3 stops
$1,561Air Canada
Sun, Oct 4 - Mon, Oct 12
Air Canada Logo
6:55 pm - 5:15 pm
BOS
-
FNA
42h 20m
2 stops
Air Canada Logo
6:45 pm - 2:41 pm
FNA
-
BOS
23h 56m
3 stops
$1,566Air Canada
Sat, Oct 10 - Wed, Oct 14
Multiple Airlines Logo
9:40 pm - 5:25 pm
BOS
-
FNA
39h 45m
2 stops
Multiple Airlines Logo
6:45 pm - 6:07 pm
FNA
-
BOS
27h 22m
3 stops
$1,578Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Brussels Airlines Logo
2:21 pm - 5:25 pm
BOS
-
FNA
23h 04m
3 stops
Brussels Airlines Logo
6:45 pm - 2:41 pm
FNA
-
BOS
23h 56m
3 stops
$1,581Brussels Airlines
Tue, Oct 6 - Wed, Oct 14
Air Canada Logo
6:50 pm - 5:25 pm
BOS
-
FNA
42h 35m
2 stops
Air Canada Logo
6:45 pm - 9:50 am
FNA
-
BOS
43h 05m
3 stops
$1,582Air Canada
Wed, Oct 7 - Wed, Oct 14
Brussels Airlines Logo
3:35 pm - 5:25 pm
BOS
-
FNA
45h 50m
3 stops
Brussels Airlines Logo
6:45 pm - 2:41 pm
FNA
-
BOS
23h 56m
3 stops
$1,586Brussels Airlines
Wed, Oct 7 - Tue, Oct 13
Air Canada Logo
10:40 am - 5:15 pm
BOS
-
FNA
26h 35m
2 stops
Air Canada Logo
6:45 pm - 4:10 pm
FNA
-
BOS
25h 25m
3 stops
$1,587Air Canada
Sun, Oct 4 - Fri, Oct 16
United Airlines Logo
3:35 pm - 5:25 pm
BOS
-
FNA
21h 50m
2 stops
United Airlines Logo
6:45 pm - 4:49 pm
FNA
-
BOS
26h 04m
3 stops
$1,590United Airlines
Sat, Oct 10 - Tue, Oct 13
Air Canada Logo
6:55 pm - 5:15 pm
BOS
-
FNA
42h 20m
2 stops
Air Canada Logo
6:45 pm - 6:04 pm
FNA
-
BOS
27h 19m
3 stops
$1,591Air Canada
Sat, Oct 10 - Fri, Oct 16
United Airlines Logo
7:00 pm - 5:15 pm
BOS
-
FNA
42h 15m
2 stops
United Airlines Logo
6:45 pm - 7:28 pm
FNA
-
BOS
28h 43m
3 stops
$1,595United Airlines
Tue, Aug 11 - Tue, Sep 8

United Airlines flights from Boston to Sierra Leone

Our best United Airlines deals on Boston to Sierra Leone flight tickets
United Airlines
Oct 10
BOS3:35 pmBoston Logan Intl
21h 50m
2 stops
FNA5:25 pmFreetown Lungi Intl
Oct 13
FNA6:45 pmFreetown Lungi Intl
26h 04m
3 stops
BOS4:49 pmBoston Logan Intl
$1,590
United Airlines
Aug 11
BOS7:00 pmBoston Logan Intl
42h 15m
2 stops
FNA5:15 pmFreetown Lungi Intl
Sep 8
FNA6:45 pmFreetown Lungi Intl
28h 43m
3 stops
BOS7:28 pmBoston Logan Intl
$1,595
United Airlines
Jun 9
BOS2:15 pmBoston Logan Intl
23h 10m
2 stops
FNA5:25 pmFreetown Lungi Intl
Jun 15
FNA6:35 pmFreetown Lungi Intl
32h 46m
3 stops
BOS11:21 pmBoston Logan Intl
$1,611

Ethiopian Air flights from Boston to Sierra Leone

Our best Ethiopian Air deals on Boston to Sierra Leone flight tickets
Ethiopian Air
Oct 7
BOS5:45 amBoston Logan Intl
30h 40m
3 stops
FNA4:25 pmFreetown Lungi Intl
Oct 17
FNA8:05 amFreetown Lungi Intl
19h 49m
3 stops
BOS11:54 pmBoston Logan Intl
$1,793
Ethiopian Air
Aug 11
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
Sep 8
FNA8:05 amFreetown Lungi Intl
29h 43m
3 stops
BOS9:48 amBoston Logan Intl
$1,821
Ethiopian Air
Aug 11
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
Sep 8
FNA9:00 amFreetown Lungi Intl
33h 50m
4 stops
BOS2:50 pmBoston Logan Intl
$1,834

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 May 28, 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

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 10/4

10:40 am-5:15 pm

2 stops26h 35m

Freetown Lungi Intl

Mon 10/12

6:35 pm-6:07 pm

3 stops27h 32m

$1,561

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/10

6:55 pm-5:15 pm

2 stops42h 20m

Freetown Lungi Intl

Wed 10/14

6:45 pm-2:41 pm

3 stops23h 56m

$1,566

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 10/7

9:40 pm-5:25 pm

2 stops39h 45m

Freetown Lungi Intl

Wed 10/14

6:45 pm-6:07 pm

3 stops27h 22m

$1,578
Quickest round-trip

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 10/6

2:21 pm-5:25 pm

3 stops23h 04m

Freetown Lungi Intl

Wed 10/14

6:45 pm-2:41 pm

3 stops23h 56m

$1,581

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 10/7

6:50 pm-5:25 pm

2 stops42h 35m

Freetown Lungi Intl

Wed 10/14

6:45 pm-9:50 am

3 stops43h 05m

$1,582

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Wed 10/7

3:35 pm-5:25 pm

3 stops45h 50m

Freetown Lungi Intl

Tue 10/13

6:45 pm-2:41 pm

3 stops23h 56m

$1,586

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 10/4

10:40 am-5:15 pm

2 stops26h 35m

Freetown Lungi Intl

Fri 10/16

6:45 pm-4:10 pm

3 stops25h 25m

$1,587

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/10

3:35 pm-5:25 pm

2 stops21h 50m

Freetown Lungi Intl

Tue 10/13

6:45 pm-4:49 pm

3 stops26h 04m

$1,590

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 10/10

6:55 pm-5:15 pm

2 stops42h 20m

Freetown Lungi Intl

Fri 10/16

6:45 pm-6:04 pm

3 stops27h 19m

$1,591

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Tue 8/11

7:00 pm-5:15 pm

2 stops42h 15m

Freetown Lungi Intl

Tue 9/8

6:45 pm-7:28 pm

3 stops28h 43m

$1,595

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 August 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

42h 15m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 42h 15m
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
Turkish AirlinesPriceFrom $1,315Free CancellationRating
7.4
4,395 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,370Free CancellationRating
7.4
9,750 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,413Free CancellationRating
7.2
408 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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