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Liberia

$538+ Cheap flights from Portland, ME (PWM) to Liberia (LIR)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 (PWM) 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 June 12, 2025.

Round-trip from

$538
(American Airlines)

Popular in

April

Cheapest in

May

Average price

$951
From Portland to Liberia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 10/45:10 pmPWM - LIR
2 stops20h 39mAmerican Airlines
Sun 10/1212:55 pmLIR - PWM
2 stops20h 26mAmerican Airlines
Deal found 6/10$538
This United Airlines deal was found by Cheapflights users on 6/10. 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 12/314:48 pmPWM - LIR
2 stops21h 20mUnited Airlines
Tue 4/281:20 pmLIR - PWM
2 stops22h 18mUnited Airlines
Deal found 6/10$609
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 7/86:00 amPWM - LIR
1 stop8h 00mDelta
Sun 7/131:25 pmLIR - PWM
1 stop9h 13mDelta
Deal found 6/12$652
This WestJet deal was found by Cheapflights users on 6/12. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/85:00 pmPWM - LIR
2 stops21h 24mWestJet
Sun 7/131:25 pmLIR - PWM
2 stops24h 46mWestJet
Deal found 6/12$3,574

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 June 12, 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

PWM - LIR

PWMLIR

Portland

Sat 10/4

5:10 pm-11:49 am

2 stops20h 39m

Liberia

Sun 10/12

12:55 pm-11:21 am

2 stops20h 26m

$538

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Mon 7/7

4:56 pm-2:23 pm

2 stops23h 27m

Liberia

Sat 7/12

3:25 pm-2:24 pm

2 stops20h 59m

$629

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Tue 7/8

6:00 am-12:00 pm

1 stop8h 00m

Liberia

Sun 7/13

1:25 pm-12:38 am

1 stop9h 13m

$652

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Tue 7/8

5:00 pm-12:24 pm

2 stops21h 24m

Liberia

Sun 7/13

1:25 pm-4:11 pm

2 stops24h 46m

$3,574

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

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

Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Liberia (average of $496). Flying from Portland, Maine 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.

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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, Maine to Liberia round-trip?

    American Airlines, at $538, was found to be the cheapest airline from Portland, Maine to Liberia.Alternate airlines to your destination round-trip include United Airlines and Delta. Users have found that American Airlines is 31% cheaper than the other options available to this destination.

  • 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, Maine to Liberia?

    Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Liberia (average of $496). Flying from Portland, Maine 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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Alternative routes for Portland to Liberia

See prices for flight routes from nearby airports that may be better suited for you.
Boston to San José flights
Boston to Liberia flights
Portland to San José flights

Top 2 airlines flying from Portland to Liberia

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$503Average$759FlexibilityNo cancel feeOn-time71%
DeltaCheapest$562Average$763FlexibilityNo cancel feeOn-timeN/A

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