Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portland to Liberia from $927

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Liberia departing on 8/6. 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

Find the cheapest flights from Portland to Liberia

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$1,642Multiple Airlines
Sat, Nov 21 - Sat, Dec 5
Multiple Airlines Logo
11:30 pm - 2:45 pm
PDX
-
ROB
32h 15m
2 stops
Multiple Airlines Logo
7:30 am - 10:09 am
ROB
-
PDX
33h 39m
3 stops
$1,679Multiple Airlines
Fri, Oct 9 - Fri, Oct 30
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
$1,691Multiple Airlines
Sat, Nov 21 - Sat, Dec 5
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
$1,693Multiple Airlines
Sat, Nov 21 - Sat, Dec 5
Multiple Airlines Logo
10:58 am - 5:50 pm
PDX
-
ROB
23h 52m
3 stops
Multiple Airlines Logo
7:30 am - 10:09 am
ROB
-
PDX
33h 39m
3 stops
$1,746Multiple Airlines
Fri, Oct 9 - Fri, Oct 30
Ethiopian Air Logo
5:35 pm - 2:45 pm
PDX
-
ROB
37h 10m
2 stops
Ethiopian Air Logo
7:30 am - 8:25 pm
ROB
-
PDX
44h 55m
3 stops
$1,762Ethiopian Air
Sat, Nov 21 - Sat, Dec 5
Multiple Airlines Logo
8:25 am - 5:50 pm
PDX
-
ROB
25h 25m
3 stops
Multiple Airlines Logo
7:30 am - 8:25 pm
ROB
-
PDX
44h 55m
3 stops
$1,838Multiple Airlines
Sat, Nov 21 - Sat, Dec 5
Multiple Airlines Logo
9:30 pm - 4:35 am
PDX
-
ROB
24h 05m
2 stops
Multiple Airlines Logo
3:25 am - 1:06 pm
ROB
-
PDX
40h 41m
2 stops
$1,847Multiple Airlines
Fri, Oct 9 - Thu, Oct 29
Multiple Airlines Logo
8:25 am - 5:50 pm
PDX
-
ROB
25h 25m
3 stops
Multiple Airlines Logo
7:30 am - 8:25 pm
ROB
-
PDX
44h 55m
3 stops
$1,878Multiple Airlines
Sat, Nov 21 - Sat, Dec 5
Multiple Airlines Logo
8:25 am - 5:50 pm
PDX
-
ROB
25h 25m
3 stops
Multiple Airlines Logo
7:30 am - 8:25 pm
ROB
-
PDX
44h 55m
3 stops
$1,879Multiple Airlines
Sat, Nov 21 - Sat, Dec 5

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.
Search flight deals

Brussels Airlines flights from Portland to Liberia

Our best Brussels Airlines deals on Portland to Liberia flight tickets
Brussels Airlines
Dec 7
PDX8:00 amPortland
29h 15m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Jan 20
ROB10:45 pmMonrovia Roberts Intl
28h 22m
2 stops
PDX7:07 pmPortland
$2,389
Brussels Airlines
Dec 7
PDX12:40 pmPortland
48h 35m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Jan 20
ROB10:45 pmMonrovia Roberts Intl
28h 22m
2 stops
PDX7:07 pmPortland
$2,472
Brussels Airlines
Dec 7
PDX8:00 amPortland
29h 15m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Jan 20
ROB10:45 pmMonrovia Roberts Intl
28h 22m
2 stops
PDX7:07 pmPortland
$2,822

Ethiopian Air flights from Portland to Liberia

Our best Ethiopian Air deals on Portland to Liberia flight tickets
Ethiopian Air
Nov 21
PDX5:35 pmPortland
37h 10m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Dec 5
ROB7:30 amMonrovia Roberts Intl
44h 55m
3 stops
PDX8:25 pmPortland
$1,762
Ethiopian Air
Oct 9
PDX11:30 pmPortland
32h 15m
2 stops
ROB2:45 pmMonrovia Roberts Intl
Oct 30
ROB7:30 amMonrovia Roberts Intl
32h 51m
3 stops
PDX9:21 amPortland
$6,029

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 July 11, 2026.
Use the filters below to find and compare flights from Portland to Liberia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

$1,642

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Fri 10/9

11:30 pm-2:45 pm

2 stops32h 15m

Monrovia Roberts Intl

Fri 10/30

7:30 am-10:09 am

3 stops33h 39m

$1,679

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

$1,691

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

$1,693
Quickest round-trip

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Fri 10/9

10:58 am-5:50 pm

3 stops23h 52m

Monrovia Roberts Intl

Fri 10/30

7:30 am-10:09 am

3 stops33h 39m

$1,746

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

$1,762

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Sat 11/21

8:25 am-5:50 pm

3 stops25h 25m

Monrovia Roberts Intl

Sat 12/5

7:30 am-8:25 pm

3 stops44h 55m

$1,838

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Fri 10/9

9:30 pm-4:35 am

2 stops24h 05m

Monrovia Roberts Intl

Thu 10/29

3:25 am-1:06 pm

2 stops40h 41m

$1,847

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Sat 11/21

8:25 am-5:50 pm

3 stops25h 25m

Monrovia Roberts Intl

Sat 12/5

7:30 am-8:25 pm

3 stops44h 55m

$1,878

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Sat 11/21

8:25 am-5:50 pm

3 stops25h 25m

Monrovia Roberts Intl

Sat 12/5

7:30 am-8:25 pm

3 stops44h 55m

$1,879

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Liberia from

How to get the cheapest flight ticket from Portland to Liberia

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 Portland to Liberia?

Ethiopian Air is the most popular carrier operating from Portland to Liberia

Cheap Portland to Liberia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Liberia

Fastest flight time

28h 25m

Direct flights

None
The fastest flight from Portland to Liberia takes 28h 25m
There are no direct flights from Portland to Liberia. There are no popular flight routes from Portland to Liberia.
Search flight deals

Frequently asked questions about flying from Portland to Liberia

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport 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.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Liberia. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Portland to Liberia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Portland to Liberia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Liberia and let you know when they change.

An easier way to manage your Liberia 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/10
Mon 8/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Liberia

Popular cities in Liberia

Popular flights according to clicks in the last 7 days on momondo
Flights to Monroviafrom $1,086