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$1,460+ Cheap flights from Portland (PDX) to Liberia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ROB
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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Cheap flight deals from Portland to Liberia

Keep the following information in mind while searching for Portland to Liberia flight deals. Data was last updated January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,460
(United Airlines)
Provider with most accurate pricing for Portland-Monrovia Roberts Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Monrovia Roberts Intl flights.
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From Portland to Liberia
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Find flight deals from Portland to Liberia

Cheapest flights from Portland to Liberia
Explore the most affordable flight options available from Portland to Liberia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:10 pmPDX - ROB
3 stops39h 05mUnited Airlines
Wed 4/229:10 pmROB - PDX
2 stops28h 24mUnited Airlines
Deal found 1/6$1,460
This Gurufare deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:10 pmPDX - ROB
2 stops36h 35mBrussels Airlines
Wed 4/229:10 pmROB - PDX
2 stops30h 32mBrussels Airlines
Deal found 1/6$1,490
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:59 pmPDX - ROB
2 stops34h 46mUnited Airlines
Sun 2/2210:45 pmROB - PDX
2 stops28h 04mUnited Airlines
Deal found 1/6$1,494
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:10 pmPDX - ROB
3 stops39h 05mUnited Airlines
Sun 4/269:10 pmROB - PDX
2 stops45h 36mUnited Airlines
Deal found 1/6$1,496
This United Airlines deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:56 amPDX - ROB
3 stops26h 19mUnited Airlines
Fri 2/278:05 pmROB - PDX
3 stops34h 51mUnited Airlines
Deal found 1/5$1,536
This Gurufare deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:10 pmPDX - ROB
2 stops32h 35mEthiopian Air
Tue 4/217:30 amROB - PDX
3 stops45h 29mEthiopian Air
Deal found 1/6$1,545
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:10 pmPDX - ROB
2 stops36h 35mUnited Airlines
Sun 4/269:10 pmROB - PDX
2 stops45h 36mUnited Airlines
Deal found 1/6$1,546
This KAYAK deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:10 pmPDX - ROB
2 stops32h 35mMultiple Airlines
Thu 4/237:30 amROB - PDX
3 stops44h 15mMultiple Airlines
Deal found 1/6$1,560
This KAYAK deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:10 pmPDX - ROB
3 stops35h 40mMultiple Airlines
Thu 4/2311:05 amROB - PDX
3 stops40h 40mMultiple Airlines
Deal found 1/6$1,565
This Gurufare deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:10 pmPDX - ROB
2 stops32h 35mEthiopian Air
Fri 4/247:30 amROB - PDX
3 stops45h 29mEthiopian Air
Deal found 1/6$1,591
This Gurufare deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:10 pmPDX - ROB
3 stops35h 40mMultiple Airlines
Fri 4/247:30 amROB - PDX
3 stops45h 29mMultiple Airlines
Deal found 1/6$1,624

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 7, 2026.
Use the filters below to find and compare flights from Portland to Liberia that are best for you.

Fly from

Portland

Fly to

Liberia

Route

Depart

Return

Price

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Mon 3/16

11:10 pm-9:15 pm

3 stops39h 05m

Monrovia Roberts Intl

Wed 4/22

9:10 pm-6:34 pm

2 stops28h 24m

$1,460

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Wed 3/18

11:10 pm-6:45 pm

2 stops36h 35m

Monrovia Roberts Intl

Wed 4/22

9:10 pm-8:42 pm

2 stops30h 32m

$1,490

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Wed 2/18

11:59 pm-6:45 pm

2 stops34h 46m

Monrovia Roberts Intl

Sun 2/22

10:45 pm-6:49 pm

2 stops28h 04m

$1,494

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Mon 3/16

11:10 pm-9:15 pm

3 stops39h 05m

Monrovia Roberts Intl

Sun 4/26

9:10 pm-11:46 am

2 stops45h 36m

$1,496

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Fri 2/20

10:56 am-9:15 pm

3 stops26h 19m

Monrovia Roberts Intl

Fri 2/27

8:05 pm-10:56 pm

3 stops34h 51m

$1,536

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Wed 3/18

11:10 pm-6:45 pm

2 stops36h 35m

Monrovia Roberts Intl

Sun 4/26

9:10 pm-11:46 am

2 stops45h 36m

$1,546

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Tue 3/17

11:10 pm-5:50 pm

3 stops35h 40m

Monrovia Roberts Intl

Thu 4/23

11:05 am-8:45 pm

3 stops40h 40m

$1,565

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Mon 3/16

11:10 pm-2:45 pm

2 stops32h 35m

Monrovia Roberts Intl

Fri 4/24

7:30 am-9:59 pm

3 stops45h 29m

$1,591

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Fri 3/20

11:59 pm-2:45 pm

2 stops31h 46m

Monrovia Roberts Intl

Tue 4/21

7:30 am-9:59 pm

3 stops45h 29m

$1,677

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Best time to book a flight from Portland to Liberia

Have a flexible travel schedule? Discover the best time to fly to Liberia from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Liberia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Portland to Liberia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Liberia?

    Located just 6.0 mi from the city center, Portland (PDX) is the airport most travelers will use when flying to Liberia from Portland.

  • How long is the flight from Portland to Liberia?

    Airlines like United Airlines and Brussels Airlines fly from Portland to Liberia in about 36h 35m. The time it takes to get you to your destination can typically vary by up to 2h 30m. Airlines will cover a distance of 6953 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Portland to Liberia one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $79. Users have also found prices from $98 and $98 on Delta and JetBlue, respectively.

  • Can I find deals for flights from Portland to Liberia that include hotel bookings?

    Yes. In addition to deals on Portland to Liberia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Liberia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Liberia.

  • Can I find deals for business class flights from Portland to Liberia?

    Yes. Cheapflights offers flight deals from Portland to Liberia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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