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

The cheapest airline one-way is Royal Air Maroc, with whom users have recently found tickets for as low as $585. However, be on the lookout for offers from Turkish Airlines and SWISS, 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.

What are the most popular airlines that fly from Washington, D.C. to Sierra Leone?

Consider Royal Air Maroc, Ethiopian Air or SWISS when booking your flight. These represent the most popular airlines when flying from Washington, D.C. to Sierra Leone.

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

Find a great deal and save up to 19% 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 $1,268.

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 $1,535. You can even find prices in March for less than $1,535, 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 50%.

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.

$1,350+ Flights from Washington, D.C. to Sierra Leone - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,119 (oojo)
One-way from	$585 (oojo)
Popular in	August
Cheapest in	March
Average price	$1,420

Provider with most accurate pricing for Washington, D.C. (WAS)-Freetown Lungi Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Freetown Lungi Intl flights.

Search Deals

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. 11% potential increase in price ($192 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($72 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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 May 1, 2025.

Mon 5/59:05 pmIAD - FNA

1 stop27h 20mRoyal Air Maroc

Sun 5/115:25 amFNA - IAD

1 stop17h 40mRoyal Air Maroc

Deal found 4/30

$1,119

Wed 5/1410:55 amIAD - FNA

2 stops26h 25mEthiopian Air

Wed 5/219:00 amFNA - IAD

3 stops27h 55mEthiopian Air

Deal found 4/30

$1,126

Mon 5/51:30 pmIAD - FNA

2 stops31h 00mTurkish Airlines

Sun 5/111:30 amFNA - IAD

2 stops38h 15mTurkish Airlines

Deal found 4/30

$1,155

Tue 9/95:45 pmIAD - FNA

1 stop19h 40mBrussels Airlines

Wed 10/16:45 pmFNA - IAD

2 stops23h 40mBrussels Airlines

Deal found 4/29

$1,195

Tue 9/99:40 amDCA - FNA

2 stops27h 45mAir Canada

Wed 10/16:45 pmFNA - DCA

3 stops25h 06mAir Canada

Deal found 4/29

$1,208

Tue 9/95:45 pmIAD - FNA

1 stop19h 40mMultiple Airlines

Wed 10/16:45 pmFNA - IAD

3 stops25h 08mMultiple Airlines

Deal found 4/29

$1,208

Thu 10/165:45 pmIAD - FNA

1 stop19h 40mUnited Airlines

Mon 2/237:35 pmFNA - IAD

2 stops24h 00mUnited Airlines

Deal found 4/30

$1,209

Tue 9/912:52 pmIAD - FNA

3 stops24h 33mAir Canada

Wed 10/16:45 pmFNA - IAD

3 stops25h 08mAir Canada

Deal found 4/29

$1,213

Sat 6/78:45 pmIAD - FNA

2 stops40h 40mSWISS

Sun 7/66:45 pmFNA - IAD

2 stops25h 30mSWISS

Deal found 4/30

$1,292

Tue 6/176:00 amDCA - FNA

2 stops31h 25mMultiple Airlines

Tue 7/86:45 pmFNA - DCA

3 stops25h 03mMultiple Airlines

Deal found 4/30

$1,559

Wed 12/106:59 amDCA - FNA

2 stops38h 21mRoyal Air Maroc

Thu 1/85:20 amFNA - DCA

2 stops22h 37mRoyal Air Maroc

Deal found 4/29

$1,693

Sat 11/2910:45 amBWI - FNA

2 stops26h 30mUnited Airlines

Sat 1/317:35 pmFNA - BWI

3 stops47h 22mUnited Airlines

Deal found 4/30

$1,699

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 May 1, 2025.

Mon 5/59:05 pmIAD - FNA

1 stop27h 20mRoyal Air Maroc

Sun 5/115:25 amFNA - IAD

1 stop17h 40mRoyal Air Maroc

Deal found 4/30

$1,119

Wed 5/1410:55 amIAD - FNA

2 stops26h 25mEthiopian Air

Wed 5/219:00 amFNA - IAD

3 stops27h 55mEthiopian Air

Deal found 4/30

$1,126

Mon 5/51:30 pmIAD - FNA

2 stops31h 00mTurkish Airlines

Sat 5/101:30 amFNA - IAD

2 stops38h 15mTurkish Airlines

Deal found 4/30

$1,162

Fri 5/308:45 pmIAD - FNA

2 stops40h 40mMultiple Airlines

Fri 6/66:45 pmFNA - IAD

2 stops22h 45mMultiple Airlines

Deal found 4/30

$1,273

Tue 5/65:35 pmIAD - FNA

1 stop19h 50mBrussels Airlines

Wed 6/46:45 pmFNA - IAD

2 stops22h 45mBrussels Airlines

Deal found 4/29

$1,288

Sat 6/78:45 pmIAD - FNA

2 stops40h 40mSWISS

Sun 7/66:45 pmFNA - IAD

2 stops25h 30mSWISS

Deal found 4/30

$1,292

Tue 5/611:00 amDCA - FNA

2 stops26h 25mAir Canada

Wed 6/46:45 pmFNA - DCA

3 stops25h 04mAir Canada

Deal found 4/29

$1,313

Tue 5/63:30 pmIAD - FNA

2 stops21h 55mUnited Airlines

Wed 6/46:45 pmFNA - IAD

3 stops25h 40mUnited Airlines

Deal found 4/29

$1,321

Fri 5/169:20 pmBWI - FNA

2 stops27h 05mBritish Airways

Wed 5/215:25 amFNA - BWI

2 stops42h 10mBritish Airways

Deal found 4/30

$2,309

Tue 5/610:25 amIAD - FNA

3 stops27h 00mAir Canada

Wed 6/46:45 pmFNA - IAD

3 stops25h 34mAir Canada

Deal found 4/29

$1,488

Thu 7/1711:00 amDCA - FNA

2 stops41h 25mKenya Airways

Sat 7/269:20 amFNA - DCA

2 stops36h 54mKenya Airways

Deal found 4/30

$3,104

Tue 6/176:00 amDCA - FNA

2 stops31h 25mMultiple Airlines

Tue 7/86:45 pmFNA - DCA

3 stops25h 03mMultiple Airlines

Deal found 4/30

$1,559

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 May 1, 2025 and is based on user searches.

Mon 5/59:05 pmIAD - FNA

1 stop27h 20mRoyal Air Maroc

Sun 5/115:25 amFNA - IAD

1 stop17h 40mRoyal Air Maroc

Deal found 4/30

$1,119

Mon 5/51:30 pmIAD - FNA

2 stops31h 00mTurkish Airlines

Sat 5/101:30 amFNA - IAD

2 stops38h 15mTurkish Airlines

Deal found 4/30

$1,162

Mon 5/58:45 pmIAD - FNA

2 stops40h 40mMultiple Airlines

Sun 5/116:45 pmFNA - IAD

2 stops23h 30mMultiple Airlines

Deal found 4/30

$1,712

Mon 5/53:30 pmDCA - FNA

2 stops21h 55mUnited Airlines

Sun 5/116:45 pmFNA - DCA

3 stops26h 16mUnited Airlines

Deal found 4/29

$2,391

Mon 5/59:20 pmBWI - FNA

2 stops27h 05mBritish Airways

Sun 5/115:25 amFNA - BWI

2 stops42h 10mBritish Airways

Deal found 4/30

$3,047

Mon 5/51:30 pmIAD - FNA

2 stops31h 00mTurkish Airlines

Sun 5/111:30 amFNA - IAD

2 stops38h 15mTurkish Airlines

Deal found 4/30

$1,155

Tue 5/65:35 pmIAD - FNA

1 stop19h 50mBrussels Airlines

Wed 6/46:45 pmFNA - IAD

2 stops22h 45mBrussels Airlines

Deal found 4/29

$1,288

Tue 5/611:00 amDCA - FNA

2 stops26h 25mAir Canada

Wed 6/46:45 pmFNA - DCA

3 stops25h 04mAir Canada

Deal found 4/29

$1,313

Tue 5/63:30 pmIAD - FNA

2 stops21h 55mUnited Airlines

Wed 6/46:45 pmFNA - IAD

3 stops25h 40mUnited Airlines

Deal found 4/29

$1,321

Tue 5/610:25 amIAD - FNA

3 stops27h 00mAir Canada

Wed 6/46:45 pmFNA - IAD

3 stops25h 34mAir Canada

Deal found 4/29

$1,488

Tue 5/66:45 amBWI - FNA

2 stops30h 40mUnited Airlines

Sun 5/116:45 pmFNA - BWI

3 stops26h 29mUnited Airlines

Deal found 4/30

$1,863

Wed 5/710:55 amIAD - FNA

2 stops26h 25mEthiopian Air

Wed 6/49:00 amFNA - IAD

3 stops27h 55mEthiopian Air

Deal found 4/30

$1,191

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 May 1, 2025.

Fri 7/259:05 pmIAD - FNA

1 stop27h 20mRoyal Air Maroc

Deal found 4/30

$585

Sat 7/126:30 amDCA - FNA

2 stops17h 55mRoyal Air Maroc

Deal found 4/30

$665

Sun 7/1310:20 pmIAD - FNA

3 stops53h 15mMultiple Airlines

Deal found 4/30

$718

Fri 7/251:30 pmIAD - FNA

2 stops30h 55mTurkish Airlines

Deal found 4/30

$744

Sun 7/138:45 pmIAD - FNA

2 stops40h 40mSWISS

Deal found 4/30

$775

Sat 7/125:45 pmIAD - FNA

1 stop19h 40mBrussels Airlines

Deal found 4/30

$790

Mon 5/52:00 pmDCA - FNA

2 stops23h 25mUnited Airlines

Deal found 4/29

$861

Sun 7/136:50 pmBWI - FNA

2 stops42h 35mUnited Airlines

Deal found 4/30

$874

Mon 5/512:55 pmDCA - FNA

3 stops24h 30mAir Canada

Deal found 4/29

$876

Sat 7/129:40 pmIAD - FNA

3 stops39h 05mEthiopian Air

Deal found 4/30

$1,046

Tue 6/179:45 amIAD - FNA

2 stops27h 40mAir Canada

Deal found 4/30

$1,075

Sat 7/125:48 pmBWI - FNA

3 stops42h 57mMultiple Airlines

Deal found 4/30

$1,126

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

Wed 5/14

9:05 pm-4:25 am

1 stop27h 20m

Freetown Lungi Intl

Wed 5/21

5:25 am-7:05 pm

1 stop17h 40m

$1,119

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Wed 5/14

10:55 am-5:20 pm

2 stops26h 25m

Freetown Lungi Intl

Wed 5/21

9:00 am-8:55 am

3 stops27h 55m

$1,126

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Tue 9/9

5:45 pm-5:25 pm

1 stop19h 40m

Freetown Lungi Intl

Wed 10/1

6:45 pm-2:25 pm

2 stops23h 40m

$1,195

Washington, D.C.Freetown

DCA - FNA

DCAFNA

Washington, D.C. Reagan-National

Tue 9/9

9:40 am-5:25 pm

2 stops27h 45m

Freetown Lungi Intl

Wed 10/1

6:45 pm-3:51 pm

3 stops25h 06m

$1,208

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Tue 9/9

5:45 pm-5:25 pm

1 stop19h 40m

Freetown Lungi Intl

Wed 10/1

6:45 pm-3:53 pm

3 stops25h 08m

$1,208

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Thu 10/16

5:45 pm-5:25 pm

1 stop19h 40m

Freetown Lungi Intl

Mon 2/23

7:35 pm-2:35 pm

2 stops24h 00m

$1,209

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Tue 9/9

12:52 pm-5:25 pm

3 stops24h 33m

Freetown Lungi Intl

Wed 10/1

6:45 pm-3:53 pm

3 stops25h 08m

$1,213

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Wed 5/14

9:40 pm-12:30 am

2 stops22h 50m

Freetown Lungi Intl

Tue 5/20

1:30 am-11:45 am

2 stops38h 15m

$1,230

Washington, D.C.Freetown

IAD - FNA

IADFNA

Washington, D.C. Dulles Intl

Sat 6/7

8:45 pm-5:25 pm

2 stops40h 40m

Freetown Lungi Intl

Sun 7/6

6:45 pm-4:15 pm

2 stops25h 30m

$1,292

Washington, D.C.Freetown

DCA - FNA

DCAFNA

Washington, D.C. Reagan-National

Tue 6/17

6:00 am-5:25 pm

2 stops31h 25m

Freetown Lungi Intl

Tue 7/8

6:45 pm-3:48 pm

3 stops25h 03m

$1,559

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 30 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.

Rainfall in Sierra Leone by month

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.

Temperature in Sierra Leone by month

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).

Reviews of airlines servicing Sierra Leone

Read reviews from past customers who have flown SWISS, United Airlines and Brussels Airlines from Washington, D.C. to Sierra Leone. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,588 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

1,588 reviews

SWISS

7.5

Good

1,588 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

8,696 reviews

SWISS

7.5

Good

1,588 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

7.4

Good

346 reviews

SWISS

7.5

Good

1,588 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

3,790 reviews

SWISS

7.5

Good

1,588 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

769 reviews

SWISS

7.5

Good

1,588 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 Royal Air Maroc, with whom users have recently found tickets for as low as $585. However, be on the lookout for offers from Turkish Airlines and SWISS, 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

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

Dulles Intl to Cairo flights

Dulles Intl to Casablanca flights

Dulles Intl to Lagos flights

Reagan-National to Cairo flights

Dulles Intl to Addis Ababa flights

Dulles Intl to Accra flights

Dulles Intl to Jomo Kenyatta Intl flights

Dulles Intl to Cape Town flights

Reagan-National to Casablanca flights

Reagan-National to Jomo Kenyatta Intl flights

Reagan-National to Cape Town flights

Reagan-National to Accra flights

Reagan-National to Lagos flights

Reagan-National to Addis Ababa flights

Dulles Intl to Marrakech flights

Dulles Intl to Dakar flights

Dulles Intl to OR Tambo flights

Reagan-National to Marrakech flights

Reagan-National to OR Tambo flights

Dulles Intl to Douala flights

Dulles Intl to Zanzibar flights

Dulles Intl to Lomé flights

Reagan-National to Dakar flights

Dulles Intl to Arusha flights

Reagan-National to Zanzibar flights

Dulles Intl to Dar Es Salaam flights

Reagan-National to Douala flights

Dulles Intl to Entebbe flights

Dulles Intl to Tunis flights

Dulles Intl to Lusaka flights

Dulles Intl to Abuja flights

Dulles Intl to Kinshasa flights

Dulles Intl to Abidjan flights

Dulles Intl to Alexandria flights

Dulles Intl to Yaoundé flights

Reagan-National to Tunis flights

Reagan-National to Kinshasa flights

Reagan-National to Arusha flights

Reagan-National to Dar Es Salaam flights

Reagan-National to Entebbe flights

Dulles Intl to Monrovia flights

Reagan-National to Abuja flights

Dulles Intl to Port Louis flights

Reagan-National to Abidjan flights

Dulles Intl to Asmara flights

Dulles Intl to Freetown flights

Dulles Intl to Agadir flights

Dulles Intl to Kigali flights

Dulles Intl to Algiers flights

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

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$1,049	Average$1,165	FlexibilityNo cancel fee	On-time77%
Ethiopian Air	Cheapest$1,124	Average$1,895	FlexibilityNo cancel fee	On-time72%
Royal Air Maroc	Cheapest$1,134	Average$1,523	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$1,202	Average$1,686	FlexibilityNo cancel fee	On-time69%
Brussels Airlines	Cheapest$1,254	Average$1,572	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$1,263	Average$1,372	FlexibilityNo cancel fee	On-time79%

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.

$585+ 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 7/25. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 May 1, 2025.

Most accurate provider

Most trusted provider

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 May 1, 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 May 1, 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 May 1, 2025.

Rainfall in Sierra Leone by month

Plan your trip to Sierra Leone by taking into account the average rainfall totals by month.

Temperature in Sierra Leone by month

Plan your trip to Sierra Leone by taking into account the average temperature totals by month.

Reviews of airlines servicing Sierra Leone

Read reviews from past customers who have flown SWISS, United Airlines and Brussels Airlines from Washington, D.C. to Sierra Leone. In addition to providing an overall rating, users have also rated airlines 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

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

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

100% Free

Book with Flexibility

Travel Smart

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 May 1, 2025.