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Cheap flights from Seattle to Sierra Leone from $698

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 10/15. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:00 am - 5:25 pm
SEA
-
FNA
23h 25m
2 stops
United Airlines Logo
6:45 pm - 8:24 pm
FNA
-
SEA
32h 39m
3 stops
$1,669United Airlines
Thu, Sep 24 - Sun, Sep 27
United Airlines Logo
11:00 pm - 5:25 pm
SEA
-
FNA
35h 25m
2 stops
United Airlines Logo
6:45 pm - 8:46 pm
FNA
-
SEA
33h 01m
3 stops
$1,771United Airlines
Wed, Jun 3 - Wed, Jun 24
Multiple Airlines Logo
10:50 pm - 4:25 am
SEA
-
FNA
22h 35m
2 stops
Multiple Airlines Logo
5:25 am - 8:48 am
FNA
-
SEA
34h 23m
2 stops
$1,793Multiple Airlines
Wed, Jun 3 - Wed, Jun 24
United Airlines Logo
11:00 pm - 5:15 pm
SEA
-
FNA
35h 15m
2 stops
United Airlines Logo
6:45 pm - 11:44 pm
FNA
-
SEA
35h 59m
3 stops
$1,820United Airlines
Tue, Jun 2 - Tue, Jun 23
SWISS Logo
11:00 pm - 5:25 pm
SEA
-
FNA
35h 25m
2 stops
SWISS Logo
6:35 pm - 7:06 pm
FNA
-
SEA
31h 31m
3 stops
$1,855SWISS
Wed, Jun 3 - Thu, Jun 25
Multiple Airlines Logo
3:00 pm - 5:25 pm
SEA
-
FNA
43h 25m
3 stops
Multiple Airlines Logo
6:45 pm - 8:46 pm
FNA
-
SEA
33h 01m
3 stops
$1,870Multiple Airlines
Wed, Jun 3 - Wed, Jun 24
Brussels Airlines Logo
7:30 am - 5:25 pm
SEA
-
FNA
26h 55m
2 stops
Brussels Airlines Logo
6:35 pm - 7:06 pm
FNA
-
SEA
31h 31m
3 stops
$1,902Brussels Airlines
Tue, Jun 2 - Thu, Jun 25
Egyptair Logo
10:45 am - 5:25 pm
SEA
-
FNA
47h 40m
3 stops
Egyptair Logo
6:35 pm - 10:42 pm
FNA
-
SEA
35h 07m
3 stops
$1,903Egyptair
Wed, Jun 3 - Mon, Jun 22
Multiple Airlines Logo
3:00 pm - 5:15 pm
SEA
-
FNA
43h 15m
3 stops
Multiple Airlines Logo
6:35 pm - 7:06 pm
FNA
-
SEA
31h 31m
3 stops
$1,917Multiple Airlines
Tue, Jun 2 - Thu, Jun 25
Lufthansa Logo
7:30 am - 5:25 pm
SEA
-
FNA
26h 55m
2 stops
Lufthansa Logo
6:45 pm - 10:42 pm
FNA
-
SEA
34h 57m
3 stops
$1,937Lufthansa
Thu, Jun 4 - Tue, Jun 23

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Ethiopian Air flights from Seattle to Sierra Leone

Our best Ethiopian Air deals on Seattle to Sierra Leone flight tickets
Ethiopian Air
Sep 24
SEA11:04 pmSeattle/Tacoma Intl
34h 41m
3 stops
FNA4:45 pmFreetown Lungi Intl
Sep 27
FNA9:00 amFreetown Lungi Intl
42h 24m
4 stops
SEA8:24 pmSeattle/Tacoma Intl
$2,322
Ethiopian Air
Sep 24
SEA11:04 pmSeattle/Tacoma Intl
34h 41m
3 stops
FNA4:45 pmFreetown Lungi Intl
Sep 27
FNA9:00 amFreetown Lungi Intl
42h 24m
4 stops
SEA8:24 pmSeattle/Tacoma Intl
$2,372
Ethiopian Air
Sep 24
SEA11:04 pmSeattle/Tacoma Intl
34h 41m
3 stops
FNA4:45 pmFreetown Lungi Intl
Sep 27
FNA9:00 amFreetown Lungi Intl
42h 24m
4 stops
SEA8:24 pmSeattle/Tacoma Intl
$2,397

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 May 5, 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

Thu 9/24

11:00 am-5:25 pm

2 stops23h 25m

Freetown Lungi Intl

Sun 9/27

6:45 pm-8:24 pm

3 stops32h 39m

$1,669

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 6/3

11:00 pm-5:25 pm

2 stops35h 25m

Freetown Lungi Intl

Wed 6/24

6:45 pm-8:46 pm

3 stops33h 01m

$1,771

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 6/3

10:50 pm-4:25 am

2 stops22h 35m

Freetown Lungi Intl

Wed 6/24

5:25 am-8:48 am

2 stops34h 23m

$1,793

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 6/2

11:00 pm-5:15 pm

2 stops35h 15m

Freetown Lungi Intl

Tue 6/23

6:45 pm-11:44 pm

3 stops35h 59m

$1,820

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 6/3

11:00 pm-5:25 pm

2 stops35h 25m

Freetown Lungi Intl

Thu 6/25

6:35 pm-7:06 pm

3 stops31h 31m

$1,855

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 6/3

3:00 pm-5:25 pm

3 stops43h 25m

Freetown Lungi Intl

Wed 6/24

6:45 pm-8:46 pm

3 stops33h 01m

$1,870

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 6/2

7:30 am-5:25 pm

2 stops26h 55m

Freetown Lungi Intl

Thu 6/25

6:35 pm-7:06 pm

3 stops31h 31m

$1,902

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 6/3

10:45 am-5:25 pm

3 stops47h 40m

Freetown Lungi Intl

Mon 6/22

6:35 pm-10:42 pm

3 stops35h 07m

$1,903

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Tue 6/2

3:00 pm-5:15 pm

3 stops43h 15m

Freetown Lungi Intl

Thu 6/25

6:35 pm-7:06 pm

3 stops31h 31m

$1,917

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Thu 6/4

7:30 am-5:25 pm

2 stops26h 55m

Freetown Lungi Intl

Tue 6/23

6:45 pm-10:42 pm

3 stops34h 57m

$1,937

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Sierra Leone from

How to get the cheapest flight ticket from Seattle to Sierra Leone

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Sierra Leone?

Air Canada, United Airlines, and Ethiopian Air are the most popular carriers operating from Seattle/Tacoma Intl to Sierra Leone

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

26h 15m

Direct flights

None
The fastest flight from Seattle to Sierra Leone takes 26h 15m
There are no direct flights from Seattle to Sierra Leone. There are no popular flight routes from Seattle to Sierra Leone.
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Frequently asked questions about flying 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
9,683 reviews
Search United Airlines flights

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.

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Find better results for your trip to Sierra Leone

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