Cheap flights from Washington to Sierra Leone from $1,357

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 2/18. 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

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 Washington to Sierra Leone

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:15 am - 12:20 am
PDX
-
FNA
33h 05m3 stops
Multiple Airlines Logo
1:20 am - 9:24 am
FNA
-
PDX
39h 04m3 stops
$1,357Multiple Airlines
Wed, Feb 18 - Sat, Apr 4
Multiple Airlines Logo
9:27 am - 4:20 am
SEA
-
FNA
34h 53m2 stops
Multiple Airlines Logo
5:25 am - 9:54 am
FNA
-
SEA
35h 29m2 stops
$1,426Multiple Airlines
Fri, Feb 20 - Wed, May 6
Brussels Airlines Logo
8:10 am - 6:40 pm
SEA
-
FNA
26h 30m2 stops
Brussels Airlines Logo
6:45 pm - 8:52 pm
FNA
-
SEA
33h 07m3 stops
$1,429Brussels Airlines
Mon, Feb 9 - Wed, May 6
Multiple Airlines Logo
9:27 am - 4:20 am
SEA
-
FNA
34h 53m2 stops
Multiple Airlines Logo
5:25 am - 9:54 am
FNA
-
SEA
35h 29m2 stops
$1,445Multiple Airlines
Fri, Feb 20 - Wed, May 6
Multiple Airlines Logo
9:27 am - 4:20 am
SEA
-
FNA
34h 53m2 stops
Multiple Airlines Logo
5:25 am - 2:44 pm
FNA
-
SEA
40h 19m2 stops
$1,450Multiple Airlines
Fri, Feb 20 - Wed, May 6
United Airlines Logo
8:10 am - 6:25 pm
SEA
-
FNA
26h 15m2 stops
United Airlines Logo
6:45 pm - 11:47 am
FNA
-
SEA
48h 02m3 stops
$1,459United Airlines
Sun, Feb 1 - Tue, Apr 28
Brussels Airlines Logo
8:10 am - 6:25 pm
SEA
-
FNA
26h 15m2 stops
Brussels Airlines Logo
7:45 pm - 8:56 pm
FNA
-
SEA
33h 11m3 stops
$1,469Brussels Airlines
Wed, Feb 11 - Thu, Feb 19
United Airlines Logo
12:57 pm - 6:40 pm
SEA
-
FNA
45h 43m3 stops
United Airlines Logo
6:45 pm - 11:47 am
FNA
-
SEA
48h 02m3 stops
$1,472United Airlines
Sun, Feb 1 - Tue, Apr 28
Brussels Airlines Logo
8:17 am - 6:40 pm
SEA
-
FNA
26h 23m2 stops
Brussels Airlines Logo
6:45 pm - 8:52 pm
FNA
-
SEA
33h 07m3 stops
$1,474Brussels Airlines
Fri, Feb 20 - Wed, May 6
United Airlines Logo
10:58 am - 6:25 pm
SEA
-
FNA
23h 27m2 stops
United Airlines Logo
7:45 pm - 8:56 pm
FNA
-
SEA
33h 11m3 stops
$1,486United Airlines
Wed, Feb 11 - Thu, Feb 19

Brussels Airlines flights from State of Washington to Sierra Leone

Our best Brussels Airlines deals on State of Washington to Sierra Leone flight tickets
Brussels Airlines
Feb 9
SEA8:10 amSeattle/Tacoma Intl
26h 30m
2 stops
FNA6:40 pmFreetown Lungi Intl
May 6
FNA6:45 pmFreetown Lungi Intl
33h 07m
3 stops
SEA8:52 pmSeattle/Tacoma Intl
Brussels Airlines
Feb 11
SEA8:10 amSeattle/Tacoma Intl
26h 15m
2 stops
FNA6:25 pmFreetown Lungi Intl
Feb 19
FNA7:45 pmFreetown Lungi Intl
33h 11m
3 stops
SEA8:56 pmSeattle/Tacoma Intl
Brussels Airlines
Feb 20
SEA8:17 amSeattle/Tacoma Intl
26h 23m
2 stops
FNA6:40 pmFreetown Lungi Intl
May 6
FNA6:45 pmFreetown Lungi Intl
33h 07m
3 stops
SEA8:52 pmSeattle/Tacoma Intl

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
Feb 1
SEA8:10 amSeattle/Tacoma Intl
26h 15m
2 stops
FNA6:25 pmFreetown Lungi Intl
Apr 28
FNA6:45 pmFreetown Lungi Intl
48h 02m
3 stops
SEA11:47 amSeattle/Tacoma Intl
United Airlines
Feb 1
SEA12:57 pmSeattle/Tacoma Intl
45h 43m
3 stops
FNA6:40 pmFreetown Lungi Intl
Apr 28
FNA6:45 pmFreetown Lungi Intl
48h 02m
3 stops
SEA11:47 amSeattle/Tacoma Intl
United Airlines
Feb 11
SEA10:58 amSeattle/Tacoma Intl
23h 27m
2 stops
FNA6:25 pmFreetown Lungi Intl
Feb 19
FNA7:45 pmFreetown Lungi Intl
33h 11m
3 stops
SEA8:56 pmSeattle/Tacoma Intl

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 December 21, 2025.
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

PortlandFreetown

PDX - FNA

PDXFNA

Portland

Wed 2/18

7:15 am-12:20 am

3 stops33h 05m

Freetown Lungi Intl

Sat 4/4

1:20 am-9:24 am

3 stops39h 04m

$1,357

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 2/20

9:27 am-4:20 am

2 stops34h 53m

Freetown Lungi Intl

Wed 5/6

5:25 am-9:54 am

2 stops35h 29m

$1,426

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

$1,429

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 2/20

9:27 am-4:20 am

2 stops34h 53m

Freetown Lungi Intl

Wed 5/6

5:25 am-9:54 am

2 stops35h 29m

$1,445

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 2/20

9:27 am-4:20 am

2 stops34h 53m

Freetown Lungi Intl

Wed 5/6

5:25 am-2:44 pm

2 stops40h 19m

$1,450

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-11:47 am

3 stops48h 02m

$1,459

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 2/11

8:10 am-6:25 pm

2 stops26h 15m

Freetown Lungi Intl

Thu 2/19

7:45 pm-8:56 pm

3 stops33h 11m

$1,469

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Sun 2/1

12:57 pm-6:40 pm

3 stops45h 43m

Freetown Lungi Intl

Tue 4/28

6:45 pm-11:47 am

3 stops48h 02m

$1,472

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Fri 2/20

8:17 am-6:40 pm

2 stops26h 23m

Freetown Lungi Intl

Wed 5/6

6:45 pm-8:52 pm

3 stops33h 07m

$1,474

SeattleFreetown

SEA - FNA

SEAFNA

Seattle/Tacoma Intl

Wed 2/11

10:58 am-6:25 pm

2 stops23h 27m

Freetown Lungi Intl

Thu 2/19

7:45 pm-8:56 pm

3 stops33h 11m

$1,486

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sierra Leone from

How to get the cheapest flight ticket from State of Washington 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 day to depart on your flight to Sierra Leone?

Our data shows that Tuesday is the least expensive day to fly to Sierra Leone. Tickets to fly out on this day can be as low as $1,714. On the other hand, Monday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,449.

What is the cheapest time of day to depart on your flight to Sierra Leone?

According to our data, the cheapest time of day to fly to Sierra Leone is in the afternoon. momondo users have found flights departing from State of Washington to Sierra Leone in the afternoon for as low as $1,475. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,891 on average. Flights to Sierra Leone from State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

22h 55m

Direct flights

None
The fastest flight from State of Washington to Sierra Leone takes 22h 55m
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.
  • 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.

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

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
Tue 1/20
Tue 1/27

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