Sierra Leone

$671+ Cheap flights from Baltimore (BWI) to Sierra Leone

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — FNA
Oct 17 — Oct 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Sierra Leone with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Baltimore to Sierra Leone

Keep the following information in mind while searching for Baltimore to Sierra Leone flight deals. Data was last updated September 17, 2025.

Round-trip from

$1,353
(United Airlines)

One-way from

$671
(United Airlines)

Popular in

August

Cheapest in

March

Average price

$1,238
From Baltimore/Washington to Sierra Leone
One-way flight from Baltimore/Washington to Sierra Leone
Highest demand for flights based on searches. 20% potential increase in price ($418 potential increase over avg. RT price).
Cheapest flight prices on average. 11% potential price decrease ($162 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Baltimore to Sierra Leone

Cheapest flights from Baltimore to Sierra Leone
Explore the most affordable flight options available from Baltimore to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:56 amBWI - FNA
2 stops26h 29mUnited Airlines
Wed 4/296:45 pmFNA - BWI
3 stops30h 12mUnited Airlines
Deal found 9/15$1,818
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:51 amBWI - FNA
2 stops26h 34mUnited Airlines
Fri 10/246:45 pmFNA - BWI
3 stops30h 37mUnited Airlines
Deal found 9/14$1,936
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amBWI - FNA
2 stops31h 10mUnited Airlines
Wed 1/288:10 pmFNA - BWI
3 stops30h 31mUnited Airlines
Deal found 9/15$1,939
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:18 pmBWI - FNA
2 stops44h 22mUnited Airlines
Mon 12/297:45 pmFNA - BWI
3 stops26h 13mUnited Airlines
Deal found 9/16$2,133
This Ovago deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:21 pmBWI - FNA
3 stops27h 59mBritish Airways
Mon 12/295:20 amFNA - BWI
3 stops45h 45mBritish Airways
Deal found 9/16$2,155
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:35 pmBWI - FNA
2 stops26h 45mBritish Airways
Wed 1/285:20 amFNA - BWI
2 stops42h 25mBritish Airways
Deal found 9/15$2,193
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:40 pmBWI - FNA
3 stops27h 40mMultiple Airlines
Thu 1/85:20 amFNA - BWI
3 stops42h 20mMultiple Airlines
Deal found 9/15$2,403
This KAYAK deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:35 pmBWI - FNA
2 stops26h 45mBritish Airways
Tue 1/135:20 amFNA - BWI
2 stops42h 25mBritish Airways
Deal found 9/15$2,472
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:35 pmBWI - FNA
2 stops26h 45mBritish Airways
Fri 1/165:20 amFNA - BWI
2 stops42h 25mBritish Airways
Deal found 9/17$2,547

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Baltimore to Sierra Leone that are best for you.

Fly from

Baltimore

Fly to

Sierra Leone

Route

Depart

Return

Price

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Mon 1/26

10:05 am-6:40 pm

2 stops27h 35m

Freetown Lungi Intl

Mon 3/9

7:45 pm-8:57 pm

3 stops29h 12m

$1,353

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Wed 11/19

10:56 am-6:25 pm

2 stops26h 29m

Freetown Lungi Intl

Wed 4/29

6:45 pm-8:57 pm

3 stops30h 12m

$1,818

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Mon 10/20

10:51 am-5:25 pm

2 stops26h 34m

Freetown Lungi Intl

Fri 10/24

6:45 pm-9:22 pm

3 stops30h 37m

$1,936

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Wed 12/31

6:15 am-6:25 pm

2 stops31h 10m

Freetown Lungi Intl

Wed 1/28

8:10 pm-9:41 pm

3 stops30h 31m

$1,939

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Fri 12/5

5:18 pm-6:40 pm

2 stops44h 22m

Freetown Lungi Intl

Mon 12/29

7:45 pm-4:58 pm

3 stops26h 13m

$2,133

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Fri 12/5

7:21 pm-4:20 am

3 stops27h 59m

Freetown Lungi Intl

Mon 12/29

5:20 am-10:05 pm

3 stops45h 45m

$2,155

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Wed 12/31

8:35 pm-4:20 am

2 stops26h 45m

Freetown Lungi Intl

Wed 1/28

5:20 am-6:45 pm

2 stops42h 25m

$2,193

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Thu 12/4

7:40 pm-4:20 am

3 stops27h 40m

Freetown Lungi Intl

Thu 1/8

5:20 am-6:40 pm

3 stops42h 20m

$2,403

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Sat 9/27

6:29 am-5:25 pm

2 stops30h 56m

$671

BaltimoreFreetown

BWI - FNA

BWIFNA

Baltimore/Washington

Wed 11/12

6:15 am-6:25 pm

2 stops31h 10m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 13 results
1
2

Best time to book a flight from Baltimore to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Sierra Leone

What is the cheapest month to book a flight from Baltimore to Sierra Leone?

Currently, February is the cheapest month in which you can book a flight from Baltimore to Sierra Leone (average of $1,174). Flying from Baltimore to Sierra Leone in December is currently the most expensive (average of $1,886). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Baltimore to Sierra Leone?

    Most people fly from Baltimore/Washington (BWI) if they book a flight from Baltimore to Sierra Leone. Baltimore/Washington is conveniently located just 8.5 mi from Baltimore’s city center.

  • How long is the flight from Baltimore to Sierra Leone?

    United Airlines can get you from Baltimore to Sierra Leone in just under 27h 35m. Your travel time can differ by up to . Baltimore and Sierra Leone are separated by a distance of 4425 mi.

  • Can I find deals for flights from Baltimore to Sierra Leone that include hotel bookings?

    Yes. In addition to deals on Baltimore to Sierra Leone flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Sierra Leone?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Sierra Leone.

  • Can I find deals for business class flights from Baltimore to Sierra Leone?

    Yes. Cheapflights offers flight deals from Baltimore to Sierra Leone by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Sierra Leone?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Sierra Leone (average of $1,174). Flying from Baltimore to Sierra Leone in December is currently the most expensive (average of $1,886). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Sierra Leone

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.