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$111+ Cheap flights from Portland, ME (PWM) 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIR
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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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 octubre 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
mié. 11/267:22 pmPWM - LIR
2 stops18h 48mUnited Airlines
mié. 12/38:35 amLIR - PWM
2 stops13h 34mUnited Airlines
Deal found 10/27$704
This American Airlines deal was found by Cheapflights users on 10/26. 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.
mié. 11/266:37 pmPWM - LIR
2 stops18h 41mAmerican Airlines
mar. 12/23:13 pmLIR - PWM
2 stops19h 24mAmerican Airlines
Deal found 10/26$767
This American Airlines deal was found by Cheapflights users on 10/26. 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.
lun. 11/243:52 pmPWM - LIR
2 stops23h 21mAmerican Airlines
sáb. 11/291:19 pmLIR - PWM
2 stops22h 03mAmerican Airlines
Deal found 10/26$1,884
This WestJet deal was found by Cheapflights users on 10/28. 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.
vie. 12/124:43 pmPWM - LIR
2 stops22h 46mWestJet
vie. 12/193:20 pmLIR - PWM
2 stops23h 40mWestJet
Deal found 10/28$3,741

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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$111
(American Airlines)

Popular in

April

Cheapest in

November

Average price

$727
Provider with most accurate pricing for Portland-Liberia flight deals.
Search Deals
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. 7% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 28, 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

sáb. 1/10

5:09 pm-2:13 pm

2 stops22h 04m

Liberia

sáb. 1/17

3:23 pm-12:06 pm

2 stops19h 43m

$249

PortlandLiberia

PWM - LIR

PWMLIR

Portland

sáb. 1/10

5:30 am-12:50 pm

1 stop8h 20m

Liberia

sáb. 1/17

12:35 pm-10:29 pm

1 stop8h 54m

$295

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 1/7

5:56 pm-1:50 pm

2 stops20h 54m

Liberia

lun. 1/12

2:45 pm-10:29 pm

2 stops30h 44m

$299

PortlandLiberia

PWM - LIR

PWMLIR

Portland

jue. 1/8

5:30 am-1:50 pm

1 stop9h 20m

Liberia

mar. 1/13

2:05 pm-1:45 pm

2 stops22h 40m

$299

PortlandLiberia

PWM - LIR

PWMLIR

Portland

lun. 1/5

12:20 pm-1:24 pm

2 stops26h 04m

Liberia

dom. 1/11

2:05 pm-11:20 am

2 stops20h 15m

$299

PortlandLiberia

PWM - LIR

PWMLIR

Portland

lun. 1/5

12:20 pm-1:24 pm

2 stops26h 04m

Liberia

mar. 1/13

3:05 pm-1:45 pm

2 stops21h 40m

$299

PortlandLiberia

PWM - LIR

PWMLIR

Portland

jue. 1/8

5:30 am-12:50 pm

1 stop8h 20m

Liberia

lun. 1/12

2:45 pm-10:29 pm

2 stops30h 44m

$299

PortlandLiberia

PWM - LIR

PWMLIR

Portland

dom. 1/4

5:45 am-1:50 pm

1 stop9h 05m

Liberia

dom. 1/11

2:05 pm-11:20 am

2 stops20h 15m

$299

PortlandLiberia

PWM - LIR

PWMLIR

Portland

lun. 1/5

5:30 am-1:50 pm

1 stop9h 20m

Liberia

lun. 1/12

2:45 pm-10:29 pm

2 stops30h 44m

$299

PortlandLiberia

PWM - LIR

PWMLIR

Portland

jue. 1/1

6:40 pm-12:24 pm

2 stops18h 44m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 15 results
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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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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, Maine-Liberia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Liberia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-Liberia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-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, Maine-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

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

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Liberia (average of $212). Flying from Portland, Maine to Liberia in August is currently the most expensive (average of $321). 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 octubre 28, 2025.
Read reviews from past customers who have flown Delta and American Airlines from Portland to Liberia. 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.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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, Maine to Liberia?

    There are many flights that can get you from Portland, Maine to Liberia in 8h 20m. Fly via American Airlines or Delta to get the fastest option. There are 2458 mi between Portland, Maine and Liberia. This flight may include one or multiple stops.

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

    Delta, at $359, was found to be the cheapest airline from Portland, Maine to Liberia. An alternate airline flying to your destination would be American Airlines. Users have found that Delta is 53% 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, September is the cheapest month in which you can book a flight from Portland, Maine to Liberia (average of $212). Flying from Portland, Maine to Liberia in August is currently the most expensive (average of $321). 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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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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$359Average$768FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$529Average$735FlexibilityNo cancel feeOn-time71%

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