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Cheap flights from Washington to Liberia from $1,538

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 Liberia departing on 8/17. 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

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Find the cheapest flights from Washington to Liberia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 am - 7:50 pm
PDX
-
ROB
28h 25m
3 stops
Multiple Airlines Logo
9:10 pm - 10:23 pm
ROB
-
PDX
32h 13m
2 stops
$1,538Multiple Airlines
Mon, Aug 17 - Tue, Sep 29
Multiple Airlines Logo
8:25 am - 7:50 pm
PDX
-
ROB
28h 25m
3 stops
Multiple Airlines Logo
9:10 pm - 7:11 pm
ROB
-
PDX
29h 01m
3 stops
$1,556Multiple Airlines
Mon, Aug 17 - Tue, Sep 29
Brussels Airlines Logo
11:30 pm - 7:50 pm
PDX
-
ROB
37h 20m
3 stops
Brussels Airlines Logo
9:10 pm - 8:10 pm
ROB
-
PDX
30h 00m
2 stops
$1,636Brussels Airlines
Fri, Aug 7 - Fri, Sep 25
Multiple Airlines Logo
5:35 pm - 2:45 pm
PDX
-
ROB
37h 10m
2 stops
Multiple Airlines Logo
7:30 am - 8:25 pm
ROB
-
PDX
44h 55m
3 stops
$1,736Multiple Airlines
Sat, Nov 21 - Sat, Dec 5
Ethiopian Air Logo
10:59 pm - 2:45 pm
PDX
-
ROB
32h 46m
2 stops
Ethiopian Air Logo
7:30 am - 8:00 pm
ROB
-
PDX
43h 30m
2 stops
$1,738Ethiopian Air
Mon, Aug 17 - Tue, Sep 29
United Airlines Logo
10:44 pm - 7:50 pm
SEA
-
ROB
38h 06m
3 stops
United Airlines Logo
9:10 pm - 7:07 pm
ROB
-
SEA
28h 57m
2 stops
$1,834United Airlines
Sun, Aug 2 - Sun, Aug 16
Multiple Airlines Logo
7:18 am - 2:25 am
PDX
-
ROB
35h 07m
2 stops
Multiple Airlines Logo
3:25 am - 8:48 pm
ROB
-
PDX
49h 23m
2 stops
$1,864Multiple Airlines
Wed, Dec 9 - Tue, Jan 19
Brussels Airlines Logo
11:20 pm - 7:50 pm
SEA
-
ROB
37h 30m
3 stops
Brussels Airlines Logo
9:10 pm - 7:07 pm
ROB
-
SEA
28h 57m
2 stops
$1,991Brussels Airlines
Fri, Jul 31 - Sun, Aug 16
United Airlines Logo
10:44 pm - 7:50 pm
SEA
-
ROB
38h 06m
3 stops
United Airlines Logo
9:10 pm - 7:08 pm
ROB
-
SEA
52h 58m
3 stops
$2,210United Airlines
Sun, Aug 2 - Sun, Aug 16
Ethiopian Air Logo
3:59 pm - 5:50 pm
SEA
-
ROB
41h 51m
2 stops
Ethiopian Air Logo
7:30 am - 8:26 pm
ROB
-
SEA
44h 56m
2 stops
$2,229Ethiopian Air
Tue, Dec 1 - Sat, Dec 19

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United Airlines flights from State of Washington to Liberia

Our best United Airlines deals on State of Washington to Liberia flight tickets
United Airlines
Aug 2
SEA10:44 pmSeattle/Tacoma Intl
38h 06m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Aug 16
ROB9:10 pmMonrovia Roberts Intl
28h 57m
2 stops
SEA7:07 pmSeattle/Tacoma Intl
$1,834
United Airlines
Aug 2
SEA10:44 pmSeattle/Tacoma Intl
38h 06m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Aug 16
ROB9:10 pmMonrovia Roberts Intl
52h 58m
3 stops
SEA7:08 pmSeattle/Tacoma Intl
$2,210
United Airlines
Nov 2
SEA8:10 amSeattle/Tacoma Intl
29h 05m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Nov 6
ROB10:45 pmMonrovia Roberts Intl
29h 53m
2 stops
SEA8:38 pmSeattle/Tacoma Intl
$2,329

Brussels Airlines flights from State of Washington to Liberia

Our best Brussels Airlines deals on State of Washington to Liberia flight tickets
Brussels Airlines
Aug 7
PDX11:30 pmPortland
37h 20m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Sep 25
ROB9:10 pmMonrovia Roberts Intl
30h 00m
2 stops
PDX8:10 pmPortland
$1,636
Brussels Airlines
Jul 31
SEA11:20 pmSeattle/Tacoma Intl
37h 30m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Aug 16
ROB9:10 pmMonrovia Roberts Intl
28h 57m
2 stops
SEA7:07 pmSeattle/Tacoma Intl
$1,991
Brussels Airlines
Aug 1
SEA7:30 amSeattle/Tacoma Intl
29h 20m
3 stops
ROB7:50 pmMonrovia Roberts Intl
Aug 16
ROB9:10 pmMonrovia Roberts Intl
49h 56m
2 stops
SEA4:06 pmSeattle/Tacoma Intl
$2,171

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Liberia 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 June 26, 2026.
Use the filters below to find and compare flights from Washington to Liberia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Mon 8/17

8:25 am-7:50 pm

3 stops28h 25m

Monrovia Roberts Intl

Tue 9/29

9:10 pm-10:23 pm

2 stops32h 13m

$1,538
Quickest round-trip

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Mon 8/17

8:25 am-7:50 pm

3 stops28h 25m

Monrovia Roberts Intl

Tue 9/29

9:10 pm-7:11 pm

3 stops29h 01m

$1,556

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Fri 8/7

11:30 pm-7:50 pm

3 stops37h 20m

Monrovia Roberts Intl

Fri 9/25

9:10 pm-8:10 pm

2 stops30h 00m

$1,636

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Sat 11/21

5:35 pm-2:45 pm

2 stops37h 10m

Monrovia Roberts Intl

Sat 12/5

7:30 am-8:25 pm

3 stops44h 55m

$1,736

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Mon 8/17

10:59 pm-2:45 pm

2 stops32h 46m

Monrovia Roberts Intl

Tue 9/29

7:30 am-8:00 pm

2 stops43h 30m

$1,738

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sun 8/2

10:44 pm-7:50 pm

3 stops38h 06m

Monrovia Roberts Intl

Sun 8/16

9:10 pm-7:07 pm

2 stops28h 57m

$1,834

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Wed 12/9

7:18 am-2:25 am

2 stops35h 07m

Monrovia Roberts Intl

Tue 1/19

3:25 am-8:48 pm

2 stops49h 23m

$1,864

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Fri 7/31

11:20 pm-7:50 pm

3 stops37h 30m

Monrovia Roberts Intl

Sun 8/16

9:10 pm-7:07 pm

2 stops28h 57m

$1,991

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sun 8/2

10:44 pm-7:50 pm

3 stops38h 06m

Monrovia Roberts Intl

Sun 8/16

9:10 pm-7:08 pm

3 stops52h 58m

$2,210

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Tue 12/1

3:59 pm-5:50 pm

2 stops41h 51m

Monrovia Roberts Intl

Sat 12/19

7:30 am-8:26 pm

2 stops44h 56m

$2,229

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Liberia flight deals and tips

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

Fastest flight time

24h 15m

Direct flights

None
The fastest flight from State of Washington to Liberia takes 24h 15m
There are no direct flights from State of Washington to Liberia. There are no popular flight routes from State of Washington to Liberia.
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Frequently asked questions about flying from Washington to Liberia

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

    Prices for flights from Washington to Liberia are refreshed on a daily basis.

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

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

    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 Liberia.

  • What documentation or ID do you need to fly to Liberia?

    The travel and health documents you'll need for your trip to Liberia 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 Liberia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Liberia

Compare and see reviews for airlines that fly from State of Washington to Liberia with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $1,302Free CancellationRating
7.2
416 reviews
Search Brussels Airlines flights

Frequently asked questions about flying from Washington to Liberia

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

    Confirm your travel details to search for the latest offers for flights from State of Washington to Liberia. 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 Liberia 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Liberia?

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 Liberia for you.

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

Yes. All flights to Liberia from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Liberia?

momondo helps you find the best flight between Washington and Liberia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Liberia from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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