What are the cheapest airlines to fly from Washington, D.C. to Sierra Leone one-way?

The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $547. However, be on the lookout for offers from Brussels Airlines and United Airlines, as they are both options that can get you from Washington, D.C. to Sierra Leone for a low price.

In terms of precipitation, rainfall in Sierra Leone ranges from 0.0 - 23.2 inches per month. July is typically the wettest month, when rainfall can reach 23.2 in. January is typically the driest time to visit Sierra Leone when rainfall is around 0.0 in.

If weather is an important factor for your trip to Sierra Leone, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 77.0 F).

What are the most popular routes from Washington, D.C. to Sierra Leone?

When deciding which route to take from Washington, D.C. to Sierra Leone consider Washington, D.C. Dulles Intl - Freetown Lungi Intl, Washington, D.C. Reagan-National - Freetown Lungi Intl or Baltimore/Washington - Freetown Lungi Intl as they are the most popular.

How far in advance should I book a flight from Washington, D.C. to Sierra Leone?

Find a great deal and save up to 23% by booking at least 58 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. to Sierra Leone within the next two weeks, with the cheapest ticket starting at $1,310.

What is the cheapest month to fly from Washington, D.C. to Sierra Leone?

The best pricing can be found in the month of March. Prices to Sierra Leone from Washington, D.C. average $1,553. You can even find prices in March for less than $1,553, as users have found deals to Sierra Leone from as low as $1,058. The month of August appears to be one of the more expensive times to travel to Sierra Leone from Washington, D.C.. Flying in the targeted month can save you up to 49%.

Can I find deals for flights from Washington, D.C. to Sierra Leone that include hotel bookings?

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

How can I find direct flights from Washington, D.C. to Sierra Leone?

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

Can I find deals for business class flights from Washington, D.C. to Sierra Leone?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$539+ Flights from Washington, D.C. to Sierra Leone

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Cheap flight deals from Washington, D.C. to Sierra Leone

Round-trip from	$1,109 (Ovago)
One-way from	$539 (Royal Air Maroc)
Popular in	August
Cheapest in	March
Average price	$1,873

From Washington, D.C. (WAS) to Sierra Leone

Search Deals

One-way flight from Washington, D.C. (WAS) to Sierra Leone

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($266 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Washington, D.C. to Sierra Leone

Cheapest flights from Washington, D.C. to Sierra Leone
Explore the most affordable flight options available from Washington, D.C. to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Fri 10/1710:55 amIAD - FNA

2 stops25h 50mEthiopian Air

Thu 11/209:00 amFNA - IAD

3 stops28h 00mEthiopian Air

Deal found 7/29

$1,109

Mon 8/189:05 pmIAD - FNA

2 stops28h 55mRoyal Air Maroc

Thu 11/274:35 amFNA - IAD

2 stops19h 10mRoyal Air Maroc

Deal found 7/30

$1,148

Sun 9/1410:20 amIAD - FNA

2 stops27h 05mMultiple Airlines

Sun 9/216:45 pmFNA - IAD

2 stops22h 45mMultiple Airlines

Deal found 7/30

$1,177

Tue 10/219:40 amDCA - FNA

2 stops27h 45mAir Canada

Wed 10/298:05 pmFNA - DCA

3 stops29h 51mAir Canada

Deal found 7/29

$1,210

Mon 10/65:45 pmIAD - FNA

1 stop19h 40mBrussels Airlines

Fri 10/106:45 pmFNA - IAD

2 stops23h 40mBrussels Airlines

Deal found 7/30

$1,210

Sun 11/21:00 pmDCA - FNA

2 stops24h 25mMultiple Airlines

Sat 11/158:05 pmFNA - DCA

3 stops43h 21mMultiple Airlines

Deal found 7/31

$1,213

Mon 10/66:30 amIAD - FNA

2 stops30h 55mUnited Airlines

Fri 10/106:45 pmFNA - IAD

3 stops25h 41mUnited Airlines

Deal found 7/30

$1,224

Sat 11/15:12 pmBWI - FNA

2 stops45h 13mUnited Airlines

Sat 11/158:05 pmFNA - BWI

3 stops26h 09mUnited Airlines

Deal found 7/30

$1,230

Fri 9/127:00 pmDCA - FNA

2 stops42h 25mUnited Airlines

Fri 9/196:45 pmFNA - DCA

3 stops23h 37mUnited Airlines

Deal found 7/28

$1,230

Fri 9/128:45 pmIAD - FNA

2 stops40h 40mSWISS

Fri 9/196:45 pmFNA - IAD

1 stop23h 40mSWISS

Deal found 7/29

$1,249

Sun 8/1012:40 pmIAD - FNA

3 stops24h 45mAir Canada

Mon 9/156:45 pmFNA - IAD

3 stops30h 20mAir Canada

Deal found 7/29

$1,292

Mon 8/116:15 amBWI - FNA

2 stops31h 10mMultiple Airlines

Mon 8/186:45 pmFNA - BWI

3 stops30h 57mMultiple Airlines

Deal found 7/31

$1,732

Best flights from Washington, D.C. to Sierra Leone
Discover carefully curated flight deals from Washington, D.C. to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Fri 10/1710:55 amIAD - FNA

2 stops25h 50mEthiopian Air

Thu 11/209:00 amFNA - IAD

3 stops28h 00mEthiopian Air

Deal found 7/29

$1,109

Mon 8/189:05 pmIAD - FNA

2 stops28h 55mRoyal Air Maroc

Thu 11/274:35 amFNA - IAD

2 stops19h 10mRoyal Air Maroc

Deal found 7/30

$1,148

Sun 9/1410:20 amIAD - FNA

2 stops27h 05mMultiple Airlines

Sun 9/216:45 pmFNA - IAD

2 stops22h 45mMultiple Airlines

Deal found 7/30

$1,177

Tue 10/219:40 amDCA - FNA

2 stops27h 45mAir Canada

Wed 10/298:05 pmFNA - DCA

3 stops29h 51mAir Canada

Deal found 7/29

$1,210

Mon 10/65:45 pmIAD - FNA

1 stop19h 40mBrussels Airlines

Fri 10/106:45 pmFNA - IAD

2 stops23h 40mBrussels Airlines

Deal found 7/30

$1,210

Mon 10/66:30 amIAD - FNA

2 stops30h 55mUnited Airlines

Fri 10/106:45 pmFNA - IAD

3 stops25h 41mUnited Airlines

Deal found 7/30

$1,224

Fri 9/128:45 pmIAD - FNA

2 stops40h 40mSWISS

Fri 9/196:45 pmFNA - IAD

1 stop23h 40mSWISS

Deal found 7/29

$1,249

Tue 10/2111:00 amDCA - FNA

3 stops26h 25mMultiple Airlines

Wed 10/298:05 pmFNA - DCA

3 stops42h 21mMultiple Airlines

Deal found 7/29

$1,216

Fri 9/127:00 pmDCA - FNA

2 stops42h 25mUnited Airlines

Fri 9/196:45 pmFNA - DCA

3 stops23h 37mUnited Airlines

Deal found 7/28

$1,230

Sun 8/1012:40 pmIAD - FNA

3 stops24h 45mAir Canada

Mon 9/156:45 pmFNA - IAD

3 stops30h 20mAir Canada

Deal found 7/29

$1,292

Mon 10/206:29 amBWI - FNA

2 stops30h 56mUnited Airlines

Fri 10/246:45 pmFNA - BWI

3 stops43h 13mUnited Airlines

Deal found 7/29

$1,535

Mon 8/116:15 amBWI - FNA

2 stops31h 10mMultiple Airlines

Mon 8/186:45 pmFNA - BWI

3 stops30h 57mMultiple Airlines

Deal found 7/31

$1,732

Last-minute flights from Washington, D.C. to Sierra Leone
Discover last-minute flight deals from Washington, D.C. to Sierra Leone. Data last updated July 31, 2025 and is based on user searches.

Wed 8/66:50 pmBWI - FNA

3 stops29h 05mMultiple Airlines

Wed 8/206:50 amFNA - BWI

3 stops45h 09mMultiple Airlines

Deal found 7/31

$2,530

Wed 8/65:20 pmBWI - FNA

2 stops44h 05mUnited Airlines

Wed 8/206:45 pmFNA - BWI

3 stops30h 57mUnited Airlines

Deal found 7/31

$2,913

Sat 8/95:35 pmIAD - FNA

1 stop19h 50mUnited Airlines

Wed 9/106:45 pmFNA - IAD

3 stops25h 38mUnited Airlines

Deal found 7/30

$1,243

Sat 8/910:55 amIAD - FNA

2 stops25h 50mEthiopian Air

Thu 9/119:00 amFNA - IAD

3 stops27h 55mEthiopian Air

Deal found 7/30

$1,352

Sat 8/95:00 pmDCA - FNA

2 stops44h 25mUnited Airlines

Fri 8/156:45 pmFNA - DCA

3 stops30h 17mUnited Airlines

Deal found 7/29

$1,863

Sat 8/911:00 amDCA - FNA

3 stops26h 25mMultiple Airlines

Fri 8/156:45 pmFNA - DCA

3 stops27h 17mMultiple Airlines

Deal found 7/29

$2,579

Sun 8/106:00 amDCA - FNA

2 stops31h 25mAir Canada

Mon 9/156:45 pmFNA - DCA

3 stops31h 06mAir Canada

Deal found 7/29

$1,233

Sun 8/105:45 pmIAD - FNA

1 stop19h 40mMultiple Airlines

Mon 9/156:45 pmFNA - IAD

2 stops23h 40mMultiple Airlines

Deal found 7/29

$1,233

Sun 8/108:45 pmIAD - FNA

2 stops40h 40mSWISS

Sun 9/76:45 pmFNA - IAD

3 stops49h 30mSWISS

Deal found 7/30

$1,273

Sun 8/1012:40 pmIAD - FNA

3 stops24h 45mAir Canada

Mon 9/156:45 pmFNA - IAD

3 stops30h 20mAir Canada

Deal found 7/29

$1,292

Mon 8/119:40 amDCA - FNA

2 stops27h 45mAir Canada

Wed 9/106:45 pmFNA - DCA

3 stops25h 06mAir Canada

Deal found 7/30

$1,233

Mon 8/116:15 amBWI - FNA

2 stops31h 10mMultiple Airlines

Mon 8/186:45 pmFNA - BWI

3 stops30h 57mMultiple Airlines

Deal found 7/31

$1,732

One-way flights from Washington, D.C. to Sierra Leone
Search for one-way flight options from Washington, D.C. to Sierra Leone. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Mon 10/65:20 pmDCA - FNA

3 stops32h 40mMultiple Airlines

Deal found 7/30

$539

Mon 10/69:40 pmIAD - FNA

2 stops22h 50mTurkish Airlines

Deal found 7/30

$547

Mon 10/66:00 amDCA - FNA

2 stops31h 25mAir Canada

Deal found 7/30

$666

Mon 10/65:45 pmIAD - FNA

1 stop19h 40mBrussels Airlines

Deal found 7/30

$666

Mon 10/66:29 amBWI - FNA

2 stops30h 56mUnited Airlines

Deal found 7/30

$671

Mon 10/610:20 pmIAD - FNA

3 stops53h 15mMultiple Airlines

Deal found 7/30

$738

Mon 10/69:35 pmBWI - FNA

3 stops28h 25mMultiple Airlines

Deal found 7/30

$4,273

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Fri 10/17

10:55 am-4:45 pm

2 stops25h 50m

Freetown Lungi Intl

Thu 11/20

9:00 am-8:00 am

3 stops28h 00m

$1,109

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 8/18

9:05 pm-6:00 am

2 stops28h 55m

Freetown Lungi Intl

Thu 11/27

4:35 am-6:45 pm

2 stops19h 10m

$1,148

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Sun 9/14

10:20 am-5:25 pm

2 stops27h 05m

Freetown Lungi Intl

Sun 9/21

6:45 pm-1:30 pm

2 stops22h 45m

$1,177

Washington, D.C.Freetown

DCA - FNA

DCAFNA

Washington, D.C. Reagan-National

Tue 10/21

9:40 am-5:25 pm

2 stops27h 45m

Freetown Lungi Intl

Wed 10/29

8:05 pm-9:56 pm

3 stops29h 51m

$1,210

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 10/6

5:45 pm-5:25 pm

1 stop19h 40m

Freetown Lungi Intl

Fri 10/10

6:45 pm-2:25 pm

2 stops23h 40m

$1,210

Washington, D.C.Freetown

DCA - FNA

DCAFNA

Washington, D.C. Reagan-National

Tue 10/21

11:00 am-5:25 pm

3 stops26h 25m

Freetown Lungi Intl

Wed 10/29

8:05 pm-10:26 am

3 stops42h 21m

$1,216

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Mon 10/6

6:30 am-5:25 pm

2 stops30h 55m

Freetown Lungi Intl

Fri 10/10

6:45 pm-4:26 pm

3 stops25h 41m

$1,224

Washington, D.C.Freetown

DCA - FNA

DCAFNA

Washington, D.C. Reagan-National

Fri 9/12

7:00 pm-5:25 pm

2 stops42h 25m

Freetown Lungi Intl

Fri 9/19

6:45 pm-2:22 pm

3 stops23h 37m

$1,230

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Fri 9/12

8:45 pm-5:25 pm

2 stops40h 40m

Freetown Lungi Intl

Fri 9/19

6:45 pm-2:25 pm

1 stop23h 40m

$1,249

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Sun 8/10

12:40 pm-5:25 pm

3 stops24h 45m

Freetown Lungi Intl

Mon 9/15

6:45 pm-9:05 pm

3 stops30h 20m

$1,292

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 19 results

Best time to book a flight from Washington, D.C. to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Washington, D.C. 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 Washington, D.C. to Sierra Leone

What is the cheapest month to book a flight from Washington, D.C. to Sierra Leone?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Sierra Leone (average of $1,174). Flying from Washington, D.C. 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.

What is the cheapest time of day to fly from WAS to SL?

When flying from Washington, D.C. to Sierra Leone, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Sierra Leone

Read reviews from past customers who have flown SWISS, United Airlines, and Turkish Airlines from Washington, D.C. to Sierra Leone. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,686 reviews

Reviews

1 / 20

10.0

Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

SWISS

7.5

Good

1,686 reviews

SWISS

7.5

Good

1,686 reviews

Reviews

1 / 20

10.0

Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

United Airlines

7.4

Good

8,900 reviews

SWISS

7.5

Good

1,686 reviews

Reviews

1 / 20

10.0

Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Turkish Airlines

7.3

Good

3,933 reviews

SWISS

7.5

Good

1,686 reviews

Reviews

1 / 20

10.0

Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Brussels Airlines

7.3

Good

350 reviews

SWISS

7.5

Good

1,686 reviews

Reviews

1 / 20

10.0

Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Ethiopian Air

7.2

Good

803 reviews

SWISS

7.5

Good

1,686 reviews

Reviews

1 / 20

10.0

Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Sierra Leone one-way?
The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $547. However, be on the lookout for offers from Brussels Airlines and United Airlines, as they are both options that can get you from Washington, D.C. to Sierra Leone for a low price.
What are the most popular routes from Washington, D.C. to Sierra Leone?
When deciding which route to take from Washington, D.C. to Sierra Leone consider Washington, D.C. Dulles Intl - Freetown Lungi Intl, Washington, D.C. Reagan-National - Freetown Lungi Intl or Baltimore/Washington - Freetown Lungi Intl as they are the most popular.
Can I find deals for flights from Washington, D.C. to Sierra Leone that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Sierra Leone flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Sierra Leone?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Sierra Leone.
Can I find deals for business class flights from Washington, D.C. to Sierra Leone?
Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Sierra Leone?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Sierra Leone (average of $1,174). Flying from Washington, D.C. 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

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Top 6 airlines flying from Washington, D.C. to Sierra Leone

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$1,049	Average$1,184	FlexibilityNo cancel fee	On-time77%
Ethiopian Air	Cheapest$1,109	Average$1,819	FlexibilityNo cancel fee	On-time72%
Royal Air Maroc	Cheapest$1,112	Average$1,306	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$1,202	Average$1,672	FlexibilityNo cancel fee	On-time69%
Brussels Airlines	Cheapest$1,231	Average$1,568	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$1,263	Average$1,593	FlexibilityNo cancel fee	On-time79%

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$539+ Cheap flights from Washington, D.C. (WAS) 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Sierra Leone with Cheapflights

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Cheap flight deals from Washington, D.C. to Sierra Leone

Keep the following information in mind while searching for Washington, D.C. to Sierra Leone flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Sierra Leone

Cheapest flights from Washington, D.C. to Sierra LeoneExplore the most affordable flight options available from Washington, D.C. to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Washington, D.C. to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Sierra Leone that are best for you.

Best time to book a flight from Washington, D.C. to Sierra Leone

Have a flexible travel schedule? Discover the best time to fly to Sierra Leone from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Sierra Leone

What is the cheapest month to book a flight from Washington, D.C. to Sierra Leone?

What is the cheapest time of day to fly from WAS to SL?

Find hourly flight availability from Washington, D.C. to Sierra Leone. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Reviews of airlines servicing Sierra Leone

Read reviews from past customers who have flown SWISS, United Airlines, and Turkish Airlines from Washington, D.C. to Sierra Leone. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 are the cheapest airlines to fly from Washington, D.C. to Sierra Leone one-way?

What are the most popular routes from Washington, D.C. to Sierra Leone?

Can I find deals for flights from Washington, D.C. to Sierra Leone that include hotel bookings?

How can I find direct flights from Washington, D.C. to Sierra Leone?

Can I find deals for business class flights from Washington, D.C. to Sierra Leone?

What is the cheapest month to book a flight from Washington, D.C. to Sierra Leone?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Sierra Leone

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

Top 6 airlines flying from Washington, D.C. to Sierra Leone

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Cheapest flights from Washington, D.C. to Sierra Leone
Explore the most affordable flight options available from Washington, D.C. to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.