Cheap flights from Seattle to Sierra Leone from $823

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Sierra Leone departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Seattle to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 5:25 pm
SEA
-
FNA
26h 25m
2 stops
Multiple Airlines Logo
6:45 pm - 9:08 pm
FNA
-
SEA
33h 23m
3 stops
$1,739Multiple Airlines
Tue, Apr 21 - Fri, May 15
United Airlines Logo
8:00 am - 5:25 pm
SEA
-
FNA
26h 25m
2 stops
United Airlines Logo
6:45 pm - 10:47 pm
FNA
-
SEA
35h 02m
3 stops
$1,893United Airlines
Tue, Apr 21 - Fri, May 15
Multiple Airlines Logo
6:13 am - 4:25 pm
SEA
-
FNA
27h 12m
3 stops
Multiple Airlines Logo
8:05 am - 10:40 am
FNA
-
SEA
33h 35m
3 stops
$2,083Multiple Airlines
Tue, Apr 21 - Fri, May 15
Multiple Airlines Logo
9:40 pm - 4:25 am
SEA
-
FNA
47h 45m
2 stops
Multiple Airlines Logo
5:25 am - 8:53 pm
FNA
-
SEA
46h 28m
2 stops
$2,395Multiple Airlines
Tue, Apr 21 - Fri, May 15

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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, momondo users made 832,500 searches. Data last updated March 23, 2026.
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

Cheapest round-trip
Quickest round-trip

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 4/21

8:00 am-5:25 pm

2 stops26h 25m

Freetown Lungi Intl

Fri 5/15

6:45 pm-9:08 pm

3 stops33h 23m

$1,739

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 4/21

8:00 am-5:25 pm

2 stops26h 25m

Freetown Lungi Intl

Fri 5/15

6:45 pm-10:47 pm

3 stops35h 02m

$1,893

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 4/21

6:13 am-4:25 pm

3 stops27h 12m

Freetown Lungi Intl

Fri 5/15

8:05 am-10:40 am

3 stops33h 35m

$2,083

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 4/21

9:40 pm-4:25 am

2 stops47h 45m

Freetown Lungi Intl

Fri 5/15

5:25 am-8:53 pm

2 stops46h 28m

$2,395
Cheapest one-way

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 4/14

2:38 pm-4:25 am

2 stops54h 47m

$823
Quickest one-way

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 4/14

6:13 am-4:25 pm

3 stops27h 12m

$996

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Seattle to Sierra Leone flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Sierra Leone

Fastest flight time

47h 45m

Direct flights

None
The fastest flight from Seattle to Sierra Leone takes 47h 45m
There are no direct flights from Seattle to Sierra Leone. There are no popular flight routes from Seattle to Sierra Leone.
  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Sierra Leone?

    Prices for flights from Seattle/Tacoma Intl Airport to Sierra Leone are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Sierra Leone?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Sierra Leone?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Sierra Leone.

  • What documentation or ID do you need to fly to Sierra Leone?

    The travel and health documents you'll need for your trip to Sierra Leone may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sierra Leone. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Sierra Leone

Compare and see reviews for airlines that fly from Seattle to Sierra Leone with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,551Free CancellationRating
7.4
9,462 reviews
Search United Airlines flights
  • How do I get Price Alerts for flights from Seattle to Sierra Leone?

    Confirm your travel details to search for the latest offers for flights from Seattle to Sierra Leone. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to Sierra Leone with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Sierra Leone?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Sierra Leone for you.

Can I find flights from Seattle to Sierra Leone with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sierra Leone from Seattle with this policy.

How can momondo help me find flights from Seattle to Sierra Leone?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sierra Leone from Seattle.

I’m not ready to book a flight from Seattle to Sierra Leone right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Sierra Leone flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Sierra Leone trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 4/22
Wed 4/29

Find better results for your trip to Sierra Leone

Popular cities in Sierra Leone

Popular flights according to clicks in the last 7 days on momondo