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Liberia

$367+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIR
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$457
(Delta)

One-way from

$367
(Trip.com)

Popular in

April

Cheapest in

May

Average price

$726
From Portland to Liberia
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One-way flight from Portland to Liberia
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Highest demand for flights based on searches. 4% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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.
jue. 11/135:40 amPWM - LIR
1 stop8h 03mDelta
mié. 11/192:10 pmLIR - PWM
2 stops25h 00mDelta
Deal found 7/29$457
This American Airlines deal was found by Cheapflights users on 7/30. 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.
dom. 8/177:37 amPWM - LIR
1 stop29h 48mAmerican Airlines
dom. 8/242:00 pmLIR - PWM
2 stops19h 38mAmerican Airlines
Deal found 7/30$661
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/178:52 pmPWM - LIR
3 stops20h 38mMultiple Airlines
dom. 8/247:55 amLIR - PWM
3 stops25h 39mMultiple Airlines
Deal found 7/30$1,068

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 julio 30, 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

jue. 11/13

5:40 am-12:43 pm

1 stop8h 03m

Liberia

mié. 11/19

2:10 pm-4:10 pm

2 stops25h 00m

$457

PortlandLiberia

PWM - LIR

PWMLIR

Portland

sáb. 1/10

4:50 pm-12:20 pm

2 stops20h 30m

Liberia

sáb. 1/17

1:50 pm-12:05 pm

2 stops21h 15m

$515

PortlandLiberia

PWM - LIR

PWMLIR

Portland

dom. 8/17

8:52 pm-3:30 pm

3 stops20h 38m

Liberia

dom. 8/24

7:55 am-11:34 am

3 stops25h 39m

$1,068

PortlandLiberia

PWM - LIR

PWMLIR

Portland

lun. 8/11

6:05 am-1:05 pm

1 stop9h 00m

$367

PortlandLiberia

PWM - LIR

PWMLIR

Portland

lun. 8/11

6:00 am-1:26 pm

2 stops9h 26m

$371

PortlandLiberia

PWM - LIR

PWMLIR

Portland

lun. 8/11

6:05 pm-7:45 am

3 stops39h 40m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

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 julio 30, 2025.
Read reviews from past customers who have flown Delta, JetBlue, 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
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

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!
JetBlue
7.3
Good
2,913 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

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
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

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?

    Delta, at $457, 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 42% 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

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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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$544Average$780FlexibilityNo cancel feeOn-time71%
DeltaCheapest$562Average$777FlexibilityNo cancel feeOn-timeN/A

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