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Cheap flights from Boston to Sierra Leone from $637

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 11/8. 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
8:09 pm - 4:25 am
BOS
-
FNA
28h 16m
2 stops
Multiple Airlines Logo
5:25 am - 11:54 pm
FNA
-
BOS
22h 29m
2 stops
$1,518Multiple Airlines
Fri, Aug 7 - Fri, Oct 2
Multiple Airlines Logo
5:01 am - 4:25 am
BOS
-
FNA
19h 24m
2 stops
Multiple Airlines Logo
5:25 am - 11:54 pm
FNA
-
BOS
22h 29m
2 stops
$1,530Multiple Airlines
Sat, Aug 8 - Fri, Oct 2
Multiple Airlines Logo
5:01 am - 4:25 am
BOS
-
FNA
19h 24m
2 stops
Multiple Airlines Logo
5:25 am - 11:54 pm
FNA
-
BOS
22h 29m
2 stops
$1,577Multiple Airlines
Sat, Aug 8 - Sun, Oct 4
Multiple Airlines Logo
5:01 am - 4:25 am
BOS
-
FNA
19h 24m
2 stops
Multiple Airlines Logo
5:25 am - 11:54 pm
FNA
-
BOS
22h 29m
2 stops
$1,582Multiple Airlines
Sat, Aug 8 - Sun, Oct 4
Multiple Airlines Logo
7:08 pm - 4:25 am
BOS
-
FNA
29h 17m
2 stops
Multiple Airlines Logo
5:25 am - 11:54 pm
FNA
-
BOS
22h 29m
2 stops
$1,589Multiple Airlines
Fri, Aug 7 - Sun, Oct 4
Multiple Airlines Logo
8:09 pm - 4:25 am
BOS
-
FNA
28h 16m
2 stops
Multiple Airlines Logo
5:25 am - 7:57 am
FNA
-
BOS
30h 32m
2 stops
$1,591Multiple Airlines
Fri, Aug 7 - Sun, Oct 4
United Airlines Logo
7:19 am - 5:15 pm
BOS
-
FNA
29h 56m
2 stops
United Airlines Logo
6:45 pm - 9:28 pm
FNA
-
BOS
30h 43m
3 stops
$1,610United Airlines
Sun, Aug 9 - Fri, Oct 2
United Airlines Logo
8:27 pm - 5:15 pm
BOS
-
FNA
40h 48m
2 stops
United Airlines Logo
6:45 pm - 11:59 pm
FNA
-
BOS
33h 14m
3 stops
$1,615United Airlines
Sat, Aug 8 - Tue, Oct 6
Brussels Airlines Logo
3:35 pm - 5:15 pm
BOS
-
FNA
21h 40m
2 stops
Brussels Airlines Logo
6:45 pm - 2:41 pm
FNA
-
BOS
23h 56m
3 stops
$1,635Brussels Airlines
Sun, Aug 9 - Sun, Oct 4
Air Canada Logo
3:35 pm - 5:25 pm
BOS
-
FNA
21h 50m
2 stops
Air Canada Logo
6:45 pm - 9:50 am
FNA
-
BOS
43h 05m
3 stops
$1,701Air Canada
Mon, Aug 10 - Tue, Oct 6

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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
Aug 8
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
Oct 3
FNA8:05 amFreetown Lungi Intl
19h 54m
3 stops
BOS11:59 pmBoston Logan Intl
$1,808
Ethiopian Air
Aug 8
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
Oct 3
FNA8:05 amFreetown Lungi Intl
19h 54m
3 stops
BOS11:59 pmBoston Logan Intl
$1,835
Ethiopian Air
Aug 7
BOS5:45 amBoston Logan Intl
31h 00m
3 stops
FNA4:45 pmFreetown Lungi Intl
Oct 6
FNA9:00 amFreetown Lungi Intl
42h 59m
4 stops
BOS11:59 pmBoston Logan Intl
$1,838

United Airlines flights from Boston to Sierra Leone

Our best United Airlines deals on Boston to Sierra Leone flight tickets
United Airlines
Aug 9
BOS6:05 amBoston Logan Intl
31h 10m
2 stops
FNA5:15 pmFreetown Lungi Intl
Oct 5
FNA6:35 pmFreetown Lungi Intl
31h 24m
3 stops
BOS9:59 pmBoston Logan Intl
$1,610
United Airlines
Aug 8
BOS8:27 pmBoston Logan Intl
40h 48m
2 stops
FNA5:15 pmFreetown Lungi Intl
Oct 5
FNA6:35 pmFreetown Lungi Intl
34h 24m
3 stops
BOS12:59 amBoston Logan Intl
$1,615
United Airlines
Aug 10
BOS8:00 amBoston Logan Intl
29h 25m
2 stops
FNA5:25 pmFreetown Lungi Intl
Sep 30
FNA6:45 pmFreetown Lungi Intl
33h 14m
3 stops
BOS11:59 pmBoston Logan Intl
$1,710

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 July 5, 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

Fri 8/7

8:09 pm-4:25 am

2 stops28h 16m

Freetown Lungi Intl

Fri 10/2

5:25 am-11:54 pm

2 stops22h 29m

$1,518
Quickest round-trip

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/8

5:01 am-4:25 am

2 stops19h 24m

Freetown Lungi Intl

Fri 10/2

5:25 am-11:54 pm

2 stops22h 29m

$1,530

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/8

5:01 am-4:25 am

2 stops19h 24m

Freetown Lungi Intl

Sun 10/4

5:25 am-11:54 pm

2 stops22h 29m

$1,577

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/8

5:01 am-4:25 am

2 stops19h 24m

Freetown Lungi Intl

Sun 10/4

5:25 am-11:54 pm

2 stops22h 29m

$1,582

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 8/7

7:08 pm-4:25 am

2 stops29h 17m

Freetown Lungi Intl

Sun 10/4

5:25 am-11:54 pm

2 stops22h 29m

$1,589

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Fri 8/7

8:09 pm-4:25 am

2 stops28h 16m

Freetown Lungi Intl

Sun 10/4

5:25 am-7:57 am

2 stops30h 32m

$1,591

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 8/9

7:19 am-5:15 pm

2 stops29h 56m

Freetown Lungi Intl

Fri 10/2

6:45 pm-9:28 pm

3 stops30h 43m

$1,610

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sat 8/8

8:27 pm-5:15 pm

2 stops40h 48m

Freetown Lungi Intl

Tue 10/6

6:45 pm-11:59 pm

3 stops33h 14m

$1,615

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Sun 8/9

3:35 pm-5:15 pm

2 stops21h 40m

Freetown Lungi Intl

Sun 10/4

6:45 pm-2:41 pm

3 stops23h 56m

$1,635

BostonFreetown

BOS - FNA

BOSFNA

Boston Logan Intl

Mon 8/10

3:35 pm-5:25 pm

2 stops21h 50m

Freetown Lungi Intl

Tue 10/6

6:45 pm-9:50 am

3 stops43h 05m

$1,701

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 December to fly from Boston, when ticket prices are also cheap, with an average price of $1,257.

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

52h 46m

Direct flights

None
The fastest flight from Boston to Sierra Leone takes 52h 46m
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
4,437 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,370Free CancellationRating
7.4
9,931 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $1,412Free CancellationRating
7.2
420 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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Popular flights according to clicks in the last 7 days on momondo
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