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Sierra Leone

$1,369+ Cheap flights from Washington to Sierra Leone

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FNA
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Washington to Sierra Leone

Keep the following information in mind while searching for Washington to Sierra Leone flight deals. Data was last updated June 16, 2025.

Round-trip from

$1,731
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$1,976
From Washington to Sierra Leone
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Washington to Sierra Leone

Cheapest flights from Washington to Sierra Leone
Explore the most affordable flight options available from Washington to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:00 amSEA - FNA
3 stops49h 45mEthiopian Air
Thu 10/239:00 amFNA - SEA
4 stops42h 44mEthiopian Air
Deal found 6/14$1,369
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 pmSEA - FNA
2 stops45h 25mTurkish Airlines
Sun 2/221:25 amFNA - SEA
2 stops23h 40mTurkish Airlines
Deal found 6/15$1,490
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 11/2811:05 amSEA - FNA
2 stops23h 35mUnited Airlines
Tue 2/248:05 pmFNA - SEA
3 stops30h 54mUnited Airlines
Deal found 6/15$1,550
This Gurufare deal was found by Cheapflights users on 6/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:05 amSEA - FNA
2 stops23h 20mBrussels Airlines
Mon 2/237:45 pmFNA - SEA
3 stops31h 14mBrussels Airlines
Deal found 6/15$1,683
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 12/99:55 amPDX - FNA
3 stops48h 30mUnited Airlines
Sat 12/278:05 pmFNA - PDX
3 stops47h 30mUnited Airlines
Deal found 6/16$1,923
This Travelocity deal was found by Cheapflights users on 6/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:55 pmSEA - FNA
3 stops34h 30mMultiple Airlines
Tue 2/248:05 amFNA - SEA
3 stops42h 58mMultiple Airlines
Deal found 6/15$2,339
This Ovago deal was found by Cheapflights users on 6/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3011:20 pmSEA - FNA
2 stops21h 35mRoyal Air Maroc
Wed 8/66:50 amFNA - SEA
2 stops44h 43mRoyal Air Maroc
Deal found 6/15$2,442
This Turkish Airlines deal was found by Cheapflights users on 6/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:20 amPDX - FNA
3 stops33h 05mMultiple Airlines
Sat 1/31:25 amFNA - PDX
3 stops36h 53mMultiple Airlines
Deal found 6/16$2,725
This Ovago deal was found by Cheapflights users on 6/16. 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.
Wed 12/1011:59 pmPDX - FNA
3 stops44h 21mBritish Airways
Tue 12/305:20 amFNA - PDX
2 stops43h 15mBritish Airways
Deal found 6/16$2,730
This Gurufare deal was found by Cheapflights users on 6/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:07 amPDX - FNA
2 stops23h 18mBrussels Airlines
Tue 12/308:05 pmFNA - PDX
2 stops32h 20mBrussels Airlines
Deal found 6/16$2,753

Cheapflights Fare Finder

Customize your flight search to find flights from Washington 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 June 16, 2025.
Use the filters below to find and compare flights from Washington to Sierra Leone that are best for you.

Fly from

Washington

Fly to

Sierra Leone

Route

Depart

Return

Price

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Thu 10/2

8:00 am-4:45 pm

3 stops49h 45m

Freetown Lungi Intl

Thu 10/23

9:00 am-8:44 pm

4 stops42h 44m

$1,369

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Sun 11/30

7:00 pm-12:25 am

2 stops45h 25m

Freetown Lungi Intl

Sun 2/22

1:25 am-5:05 pm

2 stops23h 40m

$1,490

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 11/28

11:05 am-6:40 pm

2 stops23h 35m

Freetown Lungi Intl

Tue 2/24

8:05 pm-6:59 pm

3 stops30h 54m

$1,550

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Sun 11/30

11:05 am-6:25 pm

2 stops23h 20m

Freetown Lungi Intl

Mon 2/23

7:45 pm-6:59 pm

3 stops31h 14m

$1,683

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Tue 12/9

9:55 am-6:25 pm

3 stops48h 30m

Freetown Lungi Intl

Sat 12/27

8:05 pm-11:35 am

3 stops47h 30m

$1,923

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Sun 11/30

9:55 pm-4:25 pm

3 stops34h 30m

Freetown Lungi Intl

Tue 2/24

8:05 am-7:03 pm

3 stops42h 58m

$2,339

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 7/30

11:20 pm-3:55 am

2 stops21h 35m

Freetown Lungi Intl

Wed 8/6

6:50 am-8:33 pm

2 stops44h 43m

$2,442

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Wed 12/10

7:20 am-12:25 am

3 stops33h 05m

Freetown Lungi Intl

Sat 1/3

1:25 am-6:18 am

3 stops36h 53m

$2,725

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Wed 12/10

11:59 pm-4:20 am

3 stops44h 21m

Freetown Lungi Intl

Tue 12/30

5:20 am-4:35 pm

2 stops43h 15m

$2,730

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Wed 12/10

11:07 am-6:25 pm

2 stops23h 18m

Freetown Lungi Intl

Tue 12/30

8:05 pm-8:25 pm

2 stops32h 20m

$2,753

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Best time to book a flight from Washington to Sierra Leone

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

What is the cheapest month to book a flight from State of Washington to Sierra Leone?

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

Find hourly flight availability from Washington 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 June 16, 2025.

When flying from State of Washington 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

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

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

Get insights into the airlines that provide service to Sierra Leone. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sierra Leone. Reviews last updated June 16, 2025.
See what other customers who have flown with Brussels Airlines, United Airlines and Turkish Airlines from Washington to Sierra Leone have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Brussels Airlines
7.4
Good
355 reviews

Crew

8.0

Comfort

7.1

Food

6.4

Overall

7.4

Boarding

7.5

Entertainment

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
Brussels Airlines
7.4
Good
355 reviews
Brussels Airlines
7.4
Good
355 reviews

Crew

8.0

Comfort

7.1

Food

6.4

Overall

7.4

Boarding

7.5

Entertainment

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
United Airlines
7.4
Good
8,801 reviews
Brussels Airlines
7.4
Good
355 reviews

Crew

8.0

Comfort

7.1

Food

6.4

Overall

7.4

Boarding

7.5

Entertainment

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
Turkish Airlines
7.3
Good
3,852 reviews
Brussels Airlines
7.4
Good
355 reviews

Crew

8.0

Comfort

7.1

Food

6.4

Overall

7.4

Boarding

7.5

Entertainment

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
Ethiopian Air
7.2
Good
781 reviews
Brussels Airlines
7.4
Good
355 reviews

Crew

8.0

Comfort

7.1

Food

6.4

Overall

7.4

Boarding

7.5

Entertainment

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
British Airways
6.6
Okay
7,019 reviews
Brussels Airlines
7.4
Good
355 reviews

Crew

8.0

Comfort

7.1

Food

6.4

Overall

7.4

Boarding

7.5

Entertainment

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Related info for your journey

Find useful and relevant information for your journey from Washington to Sierra Leone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How can I find direct flights from Washington 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 to Sierra Leone.

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Sierra Leone?

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

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Alternative routes for Washington to Sierra Leone

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Washington to Sierra Leone

Discover the top airline that operate flights from Washington to Sierra Leone. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,379Average$1,485FlexibilityNo cancel feeOn-time77%

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