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$157+ Cheap flights from Portland (PDX) to Liberia (LIR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIR
Feb 9 — Feb 161
Mon 2/9
Mon 2/16
1 adult, Economy
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Cheap flight deals from Portland to Liberia

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Liberia (LIR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 10, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$336
(Kiwi.com)

One-way from

$157
(Delta)

Popular in

April

Cheapest in

September

Average price

$507
Provider with most accurate pricing for Portland-Liberia flight deals.
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Provider most trusted by Cheapflights users for Portland-Liberia flights.
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From Portland to Liberia
Search Deals
One-way flight from Portland to Liberia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:39 pmPDX - LIR
1 stop11h 06mAlaska Airlines
Thu 3/128:05 amLIR - PDX
1 stop13h 48mAlaska Airlines
Deal found 1/9$336
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:39 pmPDX - LIR
1 stop11h 06mAlaska Airlines
Fri 3/136:08 pmLIR - PDX
1 stop16h 27mAlaska Airlines
Deal found 1/9$342
This American Airlines deal was found by Cheapflights users on 1/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2411:01 pmPDX - LIR
1 stop11h 11mAmerican Airlines
Thu 1/291:21 pmLIR - PDX
1 stop12h 25mAmerican Airlines
Deal found 1/8$346
This Delta deal was found by Cheapflights users on 1/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/255:25 pmPDX - LIR
2 stops17h 25mDelta
Thu 2/52:05 pmLIR - PDX
2 stops21h 04mDelta
Deal found 1/8$351
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/229:30 pmPDX - LIR
1 stop31h 15mAlaska Airlines
Sun 3/17:08 pmLIR - PDX
1 stop16h 27mAlaska Airlines
Deal found 1/8$354
This American Airlines deal was found by Cheapflights users on 1/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:44 pmPDX - LIR
1 stop12h 53mAmerican Airlines
Tue 3/33:29 pmLIR - PDX
1 stop29h 47mAmerican Airlines
Deal found 1/8$355
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:39 pmPDX - LIR
1 stop11h 06mAlaska Airlines
Mon 3/96:08 pmLIR - PDX
1 stop16h 27mAlaska Airlines
Deal found 1/9$356
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:39 pmPDX - LIR
1 stop11h 06mAlaska Airlines
Wed 3/1111:20 amLIR - PDX
1 stop23h 15mAlaska Airlines
Deal found 1/9$357
This American Airlines deal was found by Cheapflights users on 1/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2910:15 pmPDX - LIR
1 stop12h 22mAmerican Airlines
Thu 2/51:21 pmLIR - PDX
1 stop12h 25mAmerican Airlines
Deal found 1/8$360
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:30 amPDX - LIR
1 stop28h 28mAlaska Airlines
Sat 3/144:47 pmLIR - PDX
1 stop17h 55mAlaska Airlines
Deal found 1/9$362
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:16 amPDX - LIR
1 stop8h 42mAlaska Airlines
Sat 3/146:08 pmLIR - PDX
1 stop16h 27mAlaska Airlines
Deal found 1/9$363

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 10, 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

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 1/27

12:40 am-1:30 pm

1 stop10h 50m

Liberia

Tue 2/3

2:45 pm-12:32 pm

2 stops23h 47m

$351

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 2/1

5:25 pm-12:50 pm

2 stops17h 25m

Liberia

Fri 2/6

2:05 pm-8:33 am

2 stops20h 28m

$351

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 1/25

9:45 pm-2:15 pm

1 stop14h 30m

Liberia

Tue 2/3

2:45 pm-12:32 pm

2 stops23h 47m

$351

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 1/27

12:40 am-1:30 pm

1 stop10h 50m

Liberia

Thu 2/5

3:05 pm-12:46 pm

2 stops23h 41m

$351

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 1/26

9:45 pm-12:50 pm

1 stop13h 05m

Liberia

Fri 2/6

3:05 pm-4:30 pm

2 stops27h 25m

$351

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 1/26

9:45 pm-12:50 pm

1 stop13h 05m

Liberia

Wed 2/4

3:05 pm-12:00 pm

2 stops22h 55m

$351

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 3/6

2:30 pm-6:45 am

1 stop14h 15m

Liberia

Fri 3/13

6:08 pm-9:35 am

1 stop16h 27m

$360

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 1/26

5:25 pm-12:50 pm

2 stops17h 25m

Liberia

Mon 2/2

3:05 pm-9:25 am

2 stops20h 20m

$364

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 1/29

5:25 pm-2:15 pm

2 stops18h 50m

Liberia

Thu 2/5

2:05 pm-9:25 am

2 stops21h 20m

$365

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 1/30

5:25 pm-11:20 am

2 stops15h 55m

Liberia

Fri 2/6

2:05 pm-8:33 am

2 stops20h 28m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 14 results
1
2

Compare providers for flights from Portland to Liberia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Liberia in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Liberia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Liberia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Liberia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Liberia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Liberia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How far ahead should I book a flight from Portland to Liberia?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Liberia. Price data was last updated on January 9, 2026.

The best time to book flights from Portland to Liberia is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Liberia?

Currently, January is the cheapest month in which you can book a flight from Portland to Liberia (average of $275). Flying from Portland to Liberia in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Liberia

Get insights into the airlines that provide service to Liberia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Liberia. Reviews last updated January 10, 2026.
Read through reviews of airlines operating flights from Portland to Liberia, such as Alaska Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,677 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
8.0
Very good
11,677 reviews
Alaska Airlines
8.0
Very good
11,677 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
United Airlines
7.4
Good
9,145 reviews
Alaska Airlines
8.0
Very good
11,677 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
American Airlines
7.2
Good
11,105 reviews
Alaska Airlines
8.0
Very good
11,677 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

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.

  • How long is the flight from Portland to Liberia?

    Airlines like Delta fly from Portland to Liberia in about 10h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3254 mi.

  • What are the cheapest airlines flying from Portland to Liberia round-trip?

    According to our current data, Alaska Airlines ($344), American Airlines ($346), and United Airlines ($348) offers the cheapest pricing from Portland to Liberia. Alaska Airlines is currently priced 41% below the average price you’ll pay for this route.

  • 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 $140. Users have also found prices from $160 and $190 on United Airlines and Alaska Airlines, 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.

  • What is the cheapest month to book a flight from Portland to Liberia?

    Currently, January is the cheapest month in which you can book a flight from Portland to Liberia (average of $275). Flying from Portland to Liberia in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Liberia?

Book flights to Liberia if you plan to visit one of these locations
Culebra

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Top 3 airlines flying from Portland to Liberia

Discover the top 3 airlines that operate flights from Portland to Liberia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$344Average$573FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$346Average$608FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$348Average$580FlexibilityNo cancel feeOn-time69%

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