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 many operators does momondo search for flights from Portland Airport to Liberia?

The number of operators available for flights from Portland Airport to Liberia is 1 as of September 2026.

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.

$1,018 Cheap Flights from Portland to Liberia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Liberia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 pm - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

35h 35m2 stops Newark Lome

11:00 am - 4:50 pmROB Monrovia Roberts Intl-PDX Portland

37h 50m3 stops Addis Ababa Bole Rome Fiumicino Chicago O'Hare Intl

$1,535Ethiopian Air

Mon, Nov 2 - Tue, Nov 10

8:35 am - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

25h 15m2 stops Newark Lome

7:30 am - 8:45 pmROB Monrovia Roberts Intl-PDX Portland

45h 15m2 stops Lome Newark

$1,600Ethiopian Air

Tue, Dec 8 - Thu, Jan 21

10:15 pm - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

35h 35m3 stops Newark Lome Accra Kotoka

11:00 am - 4:50 pmROB Monrovia Roberts Intl-PDX Portland

37h 50m3 stops Addis Ababa Bole Rome Fiumicino Chicago O'Hare Intl

$1,601Multiple Airlines

Mon, Nov 2 - Tue, Nov 10

10:15 pm - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

35h 35m2 stops Newark Lome

7:30 am - 8:44 pmROB Monrovia Roberts Intl-PDX Portland

45h 14m2 stops Lome Newark

$1,617Ethiopian Air

Mon, Nov 2 - Tue, Nov 10

8:35 am - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

25h 15m2 stops Newark Lome

7:30 am - 8:45 pmROB Monrovia Roberts Intl-PDX Portland

45h 15m3 stops Accra Kotoka Lome Newark

$1,667Ethiopian Air

Tue, Dec 8 - Thu, Jan 21

8:35 am - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

25h 15m3 stops Newark Lome Accra Kotoka

7:30 am - 8:45 pmROB Monrovia Roberts Intl-PDX Portland

45h 15m3 stops Accra Kotoka Lome Newark

$1,669Multiple Airlines

Tue, Dec 8 - Thu, Jan 21

8:35 am - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

25h 15m3 stops Newark Lome Accra Kotoka

7:30 am - 8:45 pmROB Monrovia Roberts Intl-PDX Portland

45h 15m3 stops Accra Kotoka Lome Newark

$1,703Multiple Airlines

Tue, Dec 8 - Tue, Jan 19

7:18 am - 2:25 amPDX Portland-ROB Monrovia Roberts Intl

35h 07m2 stops Miami Casablanca Mohamed V

3:25 am - 8:09 pmROB Monrovia Roberts Intl-PDX Portland

48h 44m2 stops Casablanca Mohamed V New York John F Kennedy Intl

$1,828Multiple Airlines

Wed, Dec 9 - Tue, Jan 19

9:35 pm - 5:50 pmPDX Portland-ROB Monrovia Roberts Intl

36h 15m2 stops Newark Lome

7:30 am - 8:45 pmROB Monrovia Roberts Intl-PDX Portland

45h 15m2 stops Lome Newark

$1,977Ethiopian Air

Thu, Dec 10 - Thu, Jan 21

7:01 am - 9:15 pmPDX Portland-ROB Monrovia Roberts Intl

30h 14m3 stops Chicago O'Hare Intl Brussels Bruxelles-National Freetown Lungi Intl

10:45 pm - 10:43 pmROB Monrovia Roberts Intl-PDX Portland

55h 58m3 stops Brussels Bruxelles-National Zurich San Francisco

$2,484SWISS

Tue, Dec 8 - Wed, Jan 20

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United Airlines flights from Portland to Liberia

Our best United Airlines deals on Portland to Liberia flight tickets

United Airlines

Feb 5

PDX2:35 pmPortland

46h 40m

3 stops

ROB9:15 pmMonrovia Roberts Intl

Feb 9

ROB10:45 pmMonrovia Roberts Intl

27h 54m

2 stops

PDX6:39 pmPortland

$2,253

United Airlines

Dec 9

PDX7:01 amPortland

27h 59m

3 stops

ROB7:00 pmMonrovia Roberts Intl

Jan 20

ROB10:45 pmMonrovia Roberts Intl

30h 04m

3 stops

PDX8:49 pmPortland

$3,034

Ethiopian Air flights from Portland to Liberia

Our best Ethiopian Air deals on Portland to Liberia flight tickets

Ethiopian Air

Nov 2

PDX10:15 pmPortland

35h 35m

2 stops

ROB5:50 pmMonrovia Roberts Intl

Nov 10

ROB11:00 amMonrovia Roberts Intl

37h 50m

3 stops

PDX4:50 pmPortland

$1,535

Ethiopian Air

Dec 8

PDX8:35 amPortland

25h 15m

2 stops

ROB5:50 pmMonrovia Roberts Intl

Jan 21

ROB7:30 amMonrovia Roberts Intl

45h 15m

2 stops

PDX8:45 pmPortland

$1,600

Ethiopian Air

Nov 2

PDX10:15 pmPortland

35h 35m

2 stops

ROB5:50 pmMonrovia Roberts Intl

Nov 10

ROB7:30 amMonrovia Roberts Intl

45h 14m

2 stops

PDX8:44 pmPortland

$1,617

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Mon 11/2

10:15 pm-5:50 pm

2 stops35h 35m

Monrovia Roberts Intl

Tue 11/10

11:00 am-4:50 pm

3 stops37h 50m

$1,535

Quickest round-trip

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Tue 12/8

8:35 am-5:50 pm

2 stops25h 15m

Monrovia Roberts Intl

Thu 1/21

7:30 am-8:45 pm

2 stops45h 15m

$1,600

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Mon 11/2

10:15 pm-5:50 pm

3 stops35h 35m

Monrovia Roberts Intl

Tue 11/10

11:00 am-4:50 pm

3 stops37h 50m

$1,601

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Mon 11/2

10:15 pm-5:50 pm

2 stops35h 35m

Monrovia Roberts Intl

Tue 11/10

7:30 am-8:44 pm

2 stops45h 14m

$1,617

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Tue 12/8

8:35 am-5:50 pm

2 stops25h 15m

Monrovia Roberts Intl

Thu 1/21

7:30 am-8:45 pm

3 stops45h 15m

$1,667

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Tue 12/8

8:35 am-5:50 pm

3 stops25h 15m

Monrovia Roberts Intl

Thu 1/21

7:30 am-8:45 pm

3 stops45h 15m

$1,669

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Tue 12/8

8:35 am-5:50 pm

3 stops25h 15m

Monrovia Roberts Intl

Tue 1/19

7:30 am-8:45 pm

3 stops45h 15m

$1,703

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Wed 12/9

7:18 am-2:25 am

2 stops35h 07m

Monrovia Roberts Intl

Tue 1/19

3:25 am-8:09 pm

2 stops48h 44m

$1,828

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Thu 12/10

9:35 pm-5:50 pm

2 stops36h 15m

Monrovia Roberts Intl

Thu 1/21

7:30 am-8:45 pm

2 stops45h 15m

$1,977

PortlandMonrovia

PDX Portland - ROB Monrovia Roberts Intl

PDXROB

Portland

Tue 12/8

7:01 am-9:15 pm

3 stops30h 14m

Monrovia Roberts Intl

Wed 1/20

10:45 pm-10:43 pm

3 stops55h 58m

$2,484

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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?

Brussels Airlines 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

Best Price Found	$1,018
Fastest flight time	25h 15m
Direct flights	None

The best one-way flight to Liberia from Portland in the past 72 hours is $1,018. The best round-trip flight deal from Portland to Liberia found on momondo in the last 72 hours is $1,535.

The fastest flight from Portland to Liberia takes 25h 15m

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 many operators does momondo search for flights from Portland Airport to Liberia?
The number of operators available for flights from Portland Airport to Liberia is 1 as of September 2026.
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.

Best airlines flying from Portland to Liberia

Compare and see reviews for airlines that fly from Portland to Liberia with momondo

Airline	Rating	Free Cancellation	Price
SWISS	PriceFrom $1,958	Free Cancellation	Rating 7.5 2,066 reviews		Search SWISS flights

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

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Flights to Monroviafrom $990

Cheap flights from Portland to Liberia from $1,018

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 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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United Airlines flights from Portland to Liberia

Our best United Airlines deals on Portland to Liberia flight tickets

Ethiopian Air flights from Portland to Liberia

Our best Ethiopian Air deals on Portland to Liberia flight tickets

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How to get the cheapest flight ticket from Portland to Liberia

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Cheap Portland to Liberia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Liberia

Best airlines flying from Portland to Liberia

Compare and see reviews for airlines that fly from Portland to Liberia with momondo

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Liberia

Popular cities in Liberia

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

Portland flight routes

According to popular flight searches on momondo this year

Liberia flight routes

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Fly your favorite airline to Liberia

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Cabin classes currently available on flights to Liberia

List of cabin classes available on flights landing in Liberia. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year