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Sierra Leone

$816+ Cheap flights from Washington 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FNA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,477
(KAYAK)

One-way from

$816
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$1,650
Provider with most accurate pricing for Seattle/Tacoma Intl-Freetown Lungi Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Freetown Lungi Intl flights.
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From Washington to Sierra Leone
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One-way flight from Washington to Sierra Leone
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Highest demand for flights based on searches. 8% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This KAYAK deal was found by Cheapflights users on 4/30. 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.
Sat 10/48:00 amSEA - FNA
3 stops49h 45mEthiopian Air
Thu 10/239:00 amFNA - SEA
4 stops42h 42mEthiopian Air
Deal found 4/30$1,477
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:20 amSEA - FNA
2 stops27h 05mAir Canada
Tue 10/216:45 pmFNA - SEA
3 stops31h 46mAir Canada
Deal found 4/30$1,533
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/297:05 amSEA - FNA
3 stops27h 20mUnited Airlines
Tue 10/216:45 pmFNA - SEA
3 stops30h 45mUnited Airlines
Deal found 4/30$1,548
This Turkish Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 10/412:30 pmSEA - FNA
2 stops28h 55mTurkish Airlines
Sun 10/191:25 amFNA - SEA
2 stops40h 10mTurkish Airlines
Deal found 4/30$1,632
This oojo deal was found by Cheapflights users on 4/30. 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 45mMultiple Airlines
Thu 10/238:05 amFNA - SEA
3 stops43h 37mMultiple Airlines
Deal found 4/30$1,728
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Fri 10/311:45 pmSEA - FNA
2 stops21h 40mRoyal Air Maroc
Wed 10/225:25 amFNA - SEA
2 stops47h 47mRoyal Air Maroc
Deal found 4/30$1,924
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:30 pmSEA - FNA
2 stops31h 55mBritish Airways
Wed 10/225:25 amFNA - SEA
2 stops43h 55mBritish Airways
Deal found 4/30$2,727
This AranGrant deal was found by Cheapflights users on 5/1. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:00 amSEA - FNA
2 stops26h 15mBrussels Airlines
Wed 11/127:35 pmFNA - SEA
3 stops32h 35mBrussels Airlines
Deal found 5/1$7,698
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:20 amSEA - FNA
2 stops27h 10mDelta
Sun 10/266:30 pmFNA - SEA
2 stops35h 18mDelta
Deal found 4/30$8,930

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 May 1, 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

Sat 10/4

8:00 am-4:45 pm

3 stops49h 45m

Freetown Lungi Intl

Thu 10/23

9:00 am-8:42 pm

4 stops42h 42m

$1,477

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 9/29

7:20 am-5:25 pm

2 stops27h 05m

Freetown Lungi Intl

Mon 10/20

6:45 pm-7:31 pm

3 stops31h 46m

$1,533

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 9/29

7:05 am-5:25 pm

3 stops27h 20m

Freetown Lungi Intl

Tue 10/21

6:45 pm-6:30 pm

3 stops30h 45m

$1,548

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Sat 10/4

12:30 pm-12:25 am

2 stops28h 55m

Freetown Lungi Intl

Sun 10/19

1:25 am-10:35 am

2 stops40h 10m

$1,632

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

8:05 am-8:42 pm

3 stops43h 37m

$1,728

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 10/3

11:45 pm-4:25 am

2 stops21h 40m

Freetown Lungi Intl

Wed 10/22

5:25 am-10:12 pm

2 stops47h 47m

$1,924

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 9/29

8:20 pm-4:25 am

2 stops25h 05m

Freetown Lungi Intl

Fri 10/24

5:25 am-11:35 am

2 stops37h 10m

$2,727

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 9/29

7:20 am-5:30 pm

2 stops27h 10m

Freetown Lungi Intl

Sun 10/26

6:30 pm-10:48 pm

2 stops35h 18m

$8,930

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Thu 7/24

5:55 pm-4:25 am

3 stops51h 30m

$816

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 7/22

10:05 pm-4:25 pm

3 stops35h 20m

$1,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 12 results
1
2

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 May 1, 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,791 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Ethiopian Air
7.2
Good
769 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,254 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from State of Washington to Sierra Leone one-way?

    To fly one-way, consider booking your trip with Ethiopian Air, which is currently one of the cheapest options available, starting at $1,000. Turkish Airlines flights start at $1,043 while deals on United Airlines start at $1,153 one-way.

  • 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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Top 2 airlines flying from Washington to Sierra Leone

Discover the top 2 airlines 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,379Average$1,490FlexibilityNo cancel feeOn-time77%
Brussels AirlinesCheapest$1,502Average$1,934FlexibilityNo cancel feeOn-timeN/A

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