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Liberia

$232+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIR
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Liberia are usually found in January or February, booked 75 days in advance, depart on a Sunday or Tuesday and return on a Monday

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 May 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$469
(United Airlines)

One-way from

$232
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$581
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
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One-way flight from Portland to Liberia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 15, 2025.

This Delta deal was found by Cheapflights users on 5/15. 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.
Wed 10/229:45 pmPDX - LIR
1 stop13h 15mDelta
Wed 10/291:12 pmLIR - PDX
2 stops20h 52mDelta
Deal found 5/15$409
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Sun 9/2111:59 pmPDX - LIR
1 stop12h 02mAmerican Airlines
Mon 9/292:05 pmLIR - PDX
1 stop9h 38mAmerican Airlines
Deal found 5/13$425
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Sat 11/18:00 amPDX - LIR
1 stop9h 19mUnited Airlines
Sat 11/88:50 amLIR - PDX
1 stop15h 54mUnited Airlines
Deal found 5/14$445
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:30 amPDX - LIR
1 stop18h 50mAlaska Airlines
Mon 9/1511:20 amLIR - PDX
2 stops24h 57mAlaska Airlines
Deal found 5/14$483
This Southwest deal was found by Cheapflights users on 5/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:10 pmPDX - LIR
2 stops17h 00mSouthwest
Sun 7/2711:50 amLIR - PDX
2 stops14h 20mSouthwest
Deal found 5/14$602
This American Airlines deal was found by Cheapflights users on 5/14. 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 6/1012:09 amPDX - LIR
2 stops12h 06mMultiple Airlines
Thu 6/191:59 pmLIR - PDX
2 stops17h 21mMultiple Airlines
Deal found 5/14$659
This Air Canada deal was found by Cheapflights users on 5/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:10 amPDX - LIR
2 stops24h 45mAir Canada
Thu 11/271:55 pmLIR - PDX
2 stops35h 19mAir Canada
Deal found 5/13$736

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 May 15, 2025.
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

Sun 6/1

11:59 pm-10:00 am

1 stop9h 01m

Liberia

Thu 6/12

1:20 pm-10:22 pm

1 stop10h 02m

$469

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 7/1

12:09 am-1:15 pm

2 stops12h 06m

Liberia

Wed 7/9

3:45 pm-10:42 am

2 stops19h 57m

$473

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 7/18

9:30 pm-11:40 am

1 stop13h 10m

Liberia

Thu 7/31

1:25 pm-11:59 pm

1 stop11h 34m

$494

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 7/14

12:31 pm-6:20 am

1 stop16h 49m

Liberia

Mon 7/21

4:58 pm-11:31 am

1 stop19h 33m

$501

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 7/16

7:10 pm-1:10 pm

2 stops17h 00m

Liberia

Sun 7/27

11:50 am-1:10 am

2 stops14h 20m

$602

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 6/10

12:09 am-1:15 pm

2 stops12h 06m

Liberia

Thu 6/19

1:59 pm-6:20 am

2 stops17h 21m

$659

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 5/22

12:40 am-12:23 pm

2 stops34h 43m

Liberia

Sun 6/1

1:25 pm-1:10 pm

2 stops24h 45m

$2,348

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 5/25

9:30 pm-6:20 am

1 stop31h 50m

$232

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 5/24

7:41 pm-2:52 pm

2 stops18h 11m

$264

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 6/15

6:16 pm-3:40 pm

3 stops44h 24m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 12 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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Liberia flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 May 9, 2025.

The best time to book flights from Portland to Liberia is 75 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, October is the cheapest month in which you can book a flight from Portland to Liberia (average of $496). Flying from Portland to Liberia in March is currently the most expensive (average of $710). 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.

What is the cheapest time of day to fly from PDX to LIR?

Find hourly flight availability from Portland to Liberia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2025.

It’s optimal to fly from Portland to Liberia at noon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

Rainfall in Liberia by month

Plan your trip to Liberia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Liberia ranges from 0.0 - 14.3 inches per month. September is typically the wettest month, when rainfall can reach 14.3 in. January is typically the driest time to visit Liberia when rainfall is around 0.0 in.

Temperature in Liberia by month

Plan your trip to Liberia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Liberia, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 May 15, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Portland to Liberia by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
SWISS
7.5
Good
1,595 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,731 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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

    According to our current data, United Airlines ($469), American Airlines ($473), and Delta ($494) offers the cheapest pricing from Portland to Liberia. United Airlines is currently priced 27% 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 Alaska Airlines. According to our data, you can fly for as low as $232. Users have also found prices from $264 and $1,809 on United Airlines and WestJet, 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, October is the cheapest month in which you can book a flight from Portland to Liberia (average of $496). Flying from Portland to Liberia in March is currently the most expensive (average of $710). 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

Browse thousands of different options on Cheapflights for your next trip

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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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$409Average$602FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$429Average$642FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$470Average$696FlexibilityNo cancel feeOn-time69%

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