Cheap flights from Washington to Sierra Leone from $1,771

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Sierra Leone departing on 10/9. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:58 pm - 5:25 pm
SEA
-
FNA
35h 27m
2 stops
United Airlines Logo
6:45 pm - 12:14 am
FNA
-
SEA
36h 29m
3 stops
$1,771United Airlines
Fri, Oct 9 - Tue, Oct 13
United Airlines Logo
12:10 pm - 5:25 pm
SEA
-
FNA
46h 15m
3 stops
United Airlines Logo
6:45 pm - 8:24 pm
FNA
-
SEA
32h 39m
3 stops
$1,786United Airlines
Fri, Oct 9 - Tue, Oct 13
United Airlines Logo
10:55 am - 5:25 pm
SEA
-
FNA
47h 30m
3 stops
United Airlines Logo
6:45 pm - 10:29 pm
FNA
-
SEA
34h 44m
3 stops
$1,828United Airlines
Fri, Oct 9 - Tue, Oct 13
United Airlines Logo
10:00 am - 6:40 pm
PDX
-
FNA
25h 40m
2 stops
United Airlines Logo
7:45 pm - 12:02 am
FNA
-
PDX
36h 17m
3 stops
$2,066United Airlines
Thu, Oct 29 - Mon, Nov 2
Turkish Airlines Logo
1:39 pm - 12:25 am
PDX
-
FNA
51h 46m
3 stops
Turkish Airlines Logo
1:25 am - 8:33 pm
FNA
-
PDX
51h 08m
3 stops
$2,086Turkish Airlines
Thu, Oct 29 - Sun, Nov 1
Turkish Airlines Logo
1:39 pm - 12:25 am
PDX
-
FNA
51h 46m
3 stops
Turkish Airlines Logo
1:25 am - 8:33 pm
FNA
-
PDX
51h 08m
3 stops
$2,087Turkish Airlines
Thu, Oct 29 - Sun, Nov 1
Ethiopian Air Logo
11:04 pm - 4:45 pm
SEA
-
FNA
34h 41m
3 stops
Ethiopian Air Logo
9:00 am - 8:24 pm
FNA
-
SEA
42h 24m
4 stops
$2,247Ethiopian Air
Thu, Sep 24 - Sun, Sep 27
Ethiopian Air Logo
11:04 pm - 4:45 pm
SEA
-
FNA
34h 41m
3 stops
Ethiopian Air Logo
9:00 am - 8:24 pm
FNA
-
SEA
42h 24m
4 stops
$2,322Ethiopian Air
Thu, Sep 24 - Sun, Sep 27
United Airlines Logo
11:00 pm - 5:25 pm
SEA
-
FNA
35h 25m
2 stops
United Airlines Logo
6:35 pm - 7:36 pm
FNA
-
SEA
32h 01m
3 stops
$2,607United Airlines
Mon, Jun 22 - Mon, Jun 29
United Airlines Logo
11:02 am - 5:25 pm
SEA
-
FNA
47h 23m
3 stops
United Airlines Logo
6:35 pm - 8:46 pm
FNA
-
SEA
33h 11m
3 stops
$2,957United Airlines
Mon, Jun 22 - Mon, Jun 29

Ethiopian Air flights from State of Washington to Sierra Leone

Our best Ethiopian Air deals on State of Washington 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
$2,247
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

United Airlines flights from State of Washington to Sierra Leone

Our best United Airlines deals on State of Washington to Sierra Leone flight tickets
United Airlines
Oct 9
SEA10:58 pmSeattle/Tacoma Intl
35h 27m
2 stops
FNA5:25 pmFreetown Lungi Intl
Oct 13
FNA6:45 pmFreetown Lungi Intl
36h 29m
3 stops
SEA12:14 amSeattle/Tacoma Intl
$1,771
United Airlines
Oct 9
SEA12:10 pmSeattle/Tacoma Intl
46h 15m
3 stops
FNA5:25 pmFreetown Lungi Intl
Oct 13
FNA6:45 pmFreetown Lungi Intl
32h 39m
3 stops
SEA8:24 pmSeattle/Tacoma Intl
$1,786
United Airlines
Oct 9
SEA10:55 amSeattle/Tacoma Intl
47h 30m
3 stops
FNA5:25 pmFreetown Lungi Intl
Oct 13
FNA6:45 pmFreetown Lungi Intl
34h 44m
3 stops
SEA10:29 pmSeattle/Tacoma Intl
$1,828

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Washington to Sierra Leone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 10/9

10:58 pm-5:25 pm

2 stops35h 27m

Freetown Lungi Intl

Tue 10/13

6:45 pm-12:14 am

3 stops36h 29m

$1,771

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 10/9

12:10 pm-5:25 pm

3 stops46h 15m

Freetown Lungi Intl

Tue 10/13

6:45 pm-8:24 pm

3 stops32h 39m

$1,786

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 10/9

10:55 am-5:25 pm

3 stops47h 30m

Freetown Lungi Intl

Tue 10/13

6:45 pm-10:29 pm

3 stops34h 44m

$1,828
Quickest round-trip

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Thu 10/29

10:00 am-6:40 pm

2 stops25h 40m

Freetown Lungi Intl

Mon 11/2

7:45 pm-12:02 am

3 stops36h 17m

$2,066

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Thu 10/29

1:39 pm-12:25 am

3 stops51h 46m

Freetown Lungi Intl

Sun 11/1

1:25 am-8:33 pm

3 stops51h 08m

$2,086

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Thu 10/29

1:39 pm-12:25 am

3 stops51h 46m

Freetown Lungi Intl

Sun 11/1

1:25 am-8:33 pm

3 stops51h 08m

$2,087

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Thu 9/24

11:04 pm-4:45 pm

3 stops34h 41m

Freetown Lungi Intl

Sun 9/27

9:00 am-8:24 pm

4 stops42h 24m

$2,247

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Thu 9/24

11:04 pm-4:45 pm

3 stops34h 41m

Freetown Lungi Intl

Sun 9/27

9:00 am-8:24 pm

4 stops42h 24m

$2,322

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 6/22

11:00 pm-5:25 pm

2 stops35h 25m

Freetown Lungi Intl

Mon 6/29

6:35 pm-7:36 pm

3 stops32h 01m

$2,607

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Mon 6/22

11:02 am-5:25 pm

3 stops47h 23m

Freetown Lungi Intl

Mon 6/29

6:35 pm-8:46 pm

3 stops33h 11m

$2,957

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Sierra Leone flight deals and tips

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

Fastest flight time

23h 25m

Direct flights

None
The fastest flight from State of Washington to Sierra Leone takes 23h 25m
There are no direct flights from State of Washington to Sierra Leone. There are no popular flight routes from State of Washington to Sierra Leone.

Frequently asked questions about flying from Washington to Sierra Leone

  • When did momondo last update prices for flights from Washington to Sierra Leone?

    Prices for flights from Washington to Sierra Leone are updated daily.

  • How many operators does momondo search for flights from Washington to Sierra Leone?

  • How old do you have to be to fly from Washington to Sierra Leone?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Sierra Leone.

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

    The required travel and health documents for your Sierra Leone trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sierra Leone. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Sierra Leone

Compare and see reviews for airlines that fly from State of Washington to Sierra Leone with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,551Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights

Frequently asked questions about flying from Washington to Sierra Leone

  • How do I get Price Alerts for flights from State of Washington to Sierra Leone?

    Confirm your travel details to search for the latest offers for flights from State of Washington 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 State of Washington to Sierra Leone with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington to Sierra Leone for you.

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

Yes. momondo allows you to filter the results for Washington to Sierra Leone flights to just show those with flexible booking policies.

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

Once all potential Washington to Sierra Leone flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Sierra Leone, momondo offers a useful price alert feature which will track prices for flights to Sierra Leone from Washington and alert you when they change.

An easier way to manage your Sierra Leone trip

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1 adult
Tue 6/9
Tue 6/16

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