How long is the flight from Seattle to Sierra Leone?

Departing from Seattle to Sierra Leone will take you 34h 26m. The distance between Seattle and Sierra Leone is about 6644 mi.

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 is the cheapest time of day to fly from SEA to SL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Sierra Leone as you normally would.

What airport do you fly from for flights from Seattle to Sierra Leone?

For a flight from Seattle to Sierra Leone, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

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

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

How can I find direct flights from Seattle to Sierra Leone?

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

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

Yes. Cheapflights offers flight deals from Seattle 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.

$1,348+ Flights from Seattle to Sierra Leone

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

Find cheap flights from Seattle 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 Seattle to Sierra Leone

Cheapest flights from Seattle to Sierra Leone
Explore the most affordable flight options available from Seattle to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Tue 12/97:58 amSEA - FNA

3 stops24h 27mMultiple Airlines

Tue 1/138:05 amFNA - SEA

3 stops38h 52mMultiple Airlines

Deal found 12/8

$3,048

Tue 12/97:58 amSEA - FNA

3 stops24h 27mEthiopian Air

Tue 1/139:00 amFNA - SEA

4 stops43h 57mEthiopian Air

Deal found 12/8

$3,372

Best flights from Seattle to Sierra Leone
Discover carefully curated flight deals from Seattle to Sierra Leone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 9, 2025.

Sat 2/2811:59 pmSEA - FNA

2 stops34h 26mUnited Airlines

Wed 3/48:10 pmFNA - SEA

3 stops34h 35mUnited Airlines

Deal found 12/6

$1,348

Mon 2/98:10 amSEA - FNA

2 stops26h 30mBrussels Airlines

Wed 5/66:45 pmFNA - SEA

3 stops33h 07mBrussels Airlines

Deal found 12/7

$1,428

Sun 2/18:10 amSEA - FNA

2 stops26h 15mUnited Airlines

Tue 4/286:45 pmFNA - SEA

3 stops33h 07mUnited Airlines

Deal found 12/9

$1,449

Mon 2/912:57 pmSEA - FNA

3 stops45h 43mUnited Airlines

Wed 5/66:45 pmFNA - SEA

3 stops33h 07mUnited Airlines

Deal found 12/7

$1,462

Last-minute flights from Seattle to Sierra Leone
Discover last-minute flight deals from Seattle to Sierra Leone. Data last updated December 9, 2025 and is based on user searches.

Tue 1/67:00 pmSEA - FNA

2 stops45h 20mTurkish Airlines

Sat 1/241:20 amFNA - SEA

2 stops23h 45mTurkish Airlines

Deal found 12/8

$1,769

Wed 1/78:10 amSEA - FNA

3 stops24h 15mEthiopian Air

Thu 1/298:05 amFNA - SEA

3 stops44h 52mEthiopian Air

Deal found 12/8

$1,773

Thu 1/82:10 pmSEA - FNA

2 stops44h 30mUnited Airlines

Wed 1/288:10 pmFNA - SEA

3 stops34h 33mUnited Airlines

Deal found 12/8

$1,614

Thu 1/82:10 pmSEA - FNA

2 stops44h 30mUnited Airlines

Tue 1/278:10 pmFNA - SEA

3 stops47h 22mUnited Airlines

Deal found 12/8

$1,624

Thu 1/812:57 pmSEA - FNA

3 stops45h 43mUnited Airlines

Thu 1/297:45 pmFNA - SEA

3 stops47h 47mUnited Airlines

Deal found 12/8

$1,630

Thu 1/82:10 pmSEA - FNA

2 stops44h 30mUnited Airlines

Fri 1/238:10 pmFNA - SEA

3 stops32h 47mUnited Airlines

Deal found 12/8

$1,680

Thu 1/82:10 pmSEA - FNA

2 stops44h 30mUnited Airlines

Sat 1/248:10 pmFNA - SEA

3 stops47h 22mUnited Airlines

Deal found 12/8

$1,691

Thu 1/298:10 amSEA - FNA

3 stops24h 15mMultiple Airlines

Thu 4/308:05 amFNA - SEA

3 stops43h 47mMultiple Airlines

Deal found 12/9

$1,633

Thu 1/2910:40 pmSEA - FNA

3 stops34h 05mEthiopian Air

Thu 4/309:00 amFNA - SEA

4 stops42h 52mEthiopian Air

Deal found 12/9

$1,728

Find flight deals from Seattle to Sierra Leone

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,348 (United Airlines)

Provider with most accurate pricing for Seattle/Tacoma Intl-Freetown Lungi Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Freetown Lungi Intl flights.

Search Deals

From Seattle/Tacoma Intl to Sierra Leone

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Sat 2/28

11:59 pm-6:25 pm

2 stops34h 26m

Freetown Lungi Intl

Wed 3/4

8:10 pm-10:45 pm

3 stops34h 35m

$1,348

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 2/9

8:10 am-6:40 pm

2 stops26h 30m

Freetown Lungi Intl

Wed 5/6

6:45 pm-8:52 pm

3 stops33h 07m

$1,428

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Sun 2/1

8:10 am-6:25 pm

2 stops26h 15m

Freetown Lungi Intl

Tue 4/28

6:45 pm-8:52 pm

3 stops33h 07m

$1,449

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 2/9

12:57 pm-6:40 pm

3 stops45h 43m

Freetown Lungi Intl

Wed 5/6

6:45 pm-8:52 pm

3 stops33h 07m

$1,462

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Best time to book a flight from Seattle to Sierra Leone

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

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Seattle to Sierra Leone?
For a flight from Seattle to Sierra Leone, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.
How long is the flight from Seattle to Sierra Leone?
Departing from Seattle to Sierra Leone will take you 34h 26m. The distance between Seattle and Sierra Leone is about 6644 mi.
Can I find deals for flights from Seattle to Sierra Leone that include hotel bookings?
Yes. In addition to deals on Seattle to Sierra Leone flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Sierra Leone?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Sierra Leone.
Can I find deals for business class flights from Seattle to Sierra Leone?
Yes. Cheapflights offers flight deals from Seattle 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Sierra Leone

Seattle to Cairo flights

Seattle to Jomo Kenyatta Intl flights

Seattle to Accra flights

Seattle to Casablanca flights

Seattle to Addis Ababa flights

Portland to Cairo flights

Seattle to Cape Town flights

Seattle to OR Tambo flights

Portland to Jomo Kenyatta Intl flights

Seattle to Banjul flights

Seattle to Asmara flights

Seattle to Lagos flights

Seattle to Hosea Kutako Intl flights

Seattle to Freetown flights

Seattle to Marrakech flights

Seattle to Ouagadougou flights

Seattle to Abuja flights

Portland to Lagos flights

Portland to Accra flights

Seattle to Entebbe flights

Seattle to Arusha flights

Portland to Casablanca flights

Portland to Entebbe flights

Portland to Marrakech flights

Seattle to Tangier flights

Seattle to Tunis flights

Portland to OR Tambo flights

Seattle to Harare flights

Seattle to Abidjan flights

Seattle to Alexandria flights

Spokane to Accra flights

Seattle to Dar Es Salaam flights

Seattle to Yaoundé flights

Seattle to Zanzibar flights

Seattle to Port Louis flights

Portland to Addis Ababa flights

Portland to Cape Town flights

Portland to Kigali flights

Seattle to Algiers flights

Spokane to Jomo Kenyatta Intl flights

Portland to Arusha flights

Seattle to Bulawayo flights

Seattle to Mombasa flights

Seattle to Antananarivo flights

Seattle to Victoria flights

Spokane to OR Tambo flights

Portland to Dakar flights

Portland to Tunis flights

Seattle to Hargeisa flights

Seattle to Rabat flights

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.

$1,348+ Cheap flights from Seattle (SEA) 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle 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 Seattle to Sierra Leone

Cheapest flights from Seattle to Sierra LeoneExplore the most affordable flight options available from Seattle to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Explore the most affordable flight options available from Seattle to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Find flight deals from Seattle to Sierra Leone

Keep the following information in mind while searching for Seattle to Sierra Leone flight deals. Data was last updated December 9, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Sierra Leone that are best for you.

Best time to book a flight from Seattle to Sierra Leone

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

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 Seattle to Sierra Leone?

How long is the flight from Seattle to Sierra Leone?

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

How can I find direct flights from Seattle to Sierra Leone?

Can I find deals for business class flights from Seattle 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 Seattle to Sierra Leone

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Seattle to Sierra Leone
Explore the most affordable flight options available from Seattle to Sierra Leone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.