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Cheap flights from Portland, Maine to Liberia from $174

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Liberia departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Liberia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:08 pm - 10:44 amPWM  Portland-LIR Liberia
19h 36m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
5:20 pm - 9:00 amLIR  Liberia-PWM Portland
14h 40m1 stop Newark
$368United Airlines
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
3:57 pm - 1:18 pmPWM  Portland-LIR Liberia
23h 21m2 stops Charlotte Douglas Miami
American Airlines Logo
1:33 pm - 11:59 amLIR  Liberia-PWM Portland
21h 26m2 stops Miami Chicago O'Hare Intl
$373American Airlines
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
3:41 pm - 10:44 amPWM  Portland-LIR Liberia
21h 03m1 stop Newark
United Airlines Logo
5:20 pm - 9:00 amLIR  Liberia-PWM Portland
14h 40m1 stop Newark
$375United Airlines
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
3:25 pm - 12:33 pmPWM  Portland-LIR Liberia
22h 08m2 stops Washington, D.C. Reagan-National Miami
American Airlines Logo
3:35 pm - 11:49 amLIR  Liberia-PWM Portland
19h 14m2 stops Miami Chicago O'Hare Intl
$440American Airlines
Sat, Nov 14 - Sat, Nov 21
United Airlines Logo
4:48 pm - 1:10 pmPWM  Portland-LIR Liberia
21h 22m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:15 pm - 8:19 amLIR  Liberia-PWM Portland
14h 04m1 stop Newark
$440United Airlines
Tue, Dec 1 - Wed, Dec 9
American Airlines Logo
5:08 pm - 12:21 pmPWM  Portland-LIR Liberia
20h 13m2 stops Washington, D.C. Reagan-National Charlotte Douglas
American Airlines Logo
3:17 pm - 12:12 pmLIR  Liberia-PWM Portland
19h 55m2 stops Dallas/Fort Worth Philadelphia
$440American Airlines
Mon, Feb 1 - Mon, Mar 1
United Airlines Logo
9:45 am - 11:44 amPWM  Portland-LIR Liberia
26h 59m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
5:15 pm - 8:19 amLIR  Liberia-PWM Portland
14h 04m1 stop Newark
$565United Airlines
Thu, Dec 3 - Wed, Dec 9
Delta Logo
6:00 am - 12:45 pmPWM  Portland-LIR Liberia
7h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:00 pm - 12:08 pmLIR  Liberia-PWM Portland
21h 08m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
$660Delta
Mon, Nov 30 - Wed, Dec 9
Delta Logo
6:00 am - 12:45 pmPWM  Portland-LIR Liberia
7h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:00 pm - 12:08 pmLIR  Liberia-PWM Portland
21h 08m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
$660Delta
Mon, Nov 30 - Thu, Dec 10
Delta Logo
4:40 pm - 12:45 pmPWM  Portland-LIR Liberia
21h 05m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Delta Logo
2:00 pm - 12:08 pmLIR  Liberia-PWM Portland
21h 08m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
$687Delta
Mon, Nov 30 - Tue, Dec 8

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United Airlines flights from Portland, Maine to Liberia

Our best United Airlines deals on Portland, Maine to Liberia flight tickets
United Airlines
Oct 27
PWM5:08 pmPortland
19h 36m
2 stops
LIR10:44 amLiberia
Nov 3
LIR5:20 pmLiberia
14h 40m
1 stop
PWM9:00 amPortland
$368
United Airlines
Oct 27
PWM3:41 pmPortland
21h 03m
1 stop
LIR10:44 amLiberia
Nov 3
LIR5:20 pmLiberia
14h 40m
1 stop
PWM9:00 amPortland
$375
United Airlines
Dec 3
PWM9:45 amPortland
26h 59m
2 stops
LIR11:44 amLiberia
Dec 9
LIR5:15 pmLiberia
14h 04m
1 stop
PWM8:19 amPortland
$565

Delta flights from Portland, Maine to Liberia

Our best Delta deals on Portland, Maine to Liberia flight tickets
Delta
Nov 30
PWM6:00 amPortland
7h 45m
1 stop
LIR12:45 pmLiberia
Dec 10
LIR2:00 pmLiberia
21h 08m
2 stops
PWM12:08 pmPortland
$660
Delta
Nov 30
PWM4:40 pmPortland
21h 05m
2 stops
LIR12:45 pmLiberia
Dec 8
LIR2:00 pmLiberia
21h 08m
2 stops
PWM12:08 pmPortland
$687
Delta
Sep 23
PWM6:00 amPortland
8h 00m
1 stop
LIR12:00 pmLiberia
Sep 28
LIR1:25 pmLiberia
8h 03m
1 stop
PWM11:28 pmPortland
$707

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Portland, Maine to Liberia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Tue 10/27

5:08 pm-10:44 am

2 stops19h 36m

Liberia

Tue 11/3

5:20 pm-9:00 am

1 stop14h 40m

$368

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Tue 10/27

3:57 pm-1:18 pm

2 stops23h 21m

Liberia

Tue 11/3

1:33 pm-11:59 am

2 stops21h 26m

$373

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Tue 10/27

3:41 pm-10:44 am

1 stop21h 03m

Liberia

Tue 11/3

5:20 pm-9:00 am

1 stop14h 40m

$375

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Sat 11/14

3:25 pm-12:33 pm

2 stops22h 08m

Liberia

Sat 11/21

3:35 pm-11:49 am

2 stops19h 14m

$440

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Tue 12/1

4:48 pm-1:10 pm

2 stops21h 22m

Liberia

Wed 12/9

5:15 pm-8:19 am

1 stop14h 04m

$440

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Mon 2/1

5:08 pm-12:21 pm

2 stops20h 13m

Liberia

Mon 3/1

3:17 pm-12:12 pm

2 stops19h 55m

$440

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Thu 12/3

9:45 am-11:44 am

2 stops26h 59m

Liberia

Wed 12/9

5:15 pm-8:19 am

1 stop14h 04m

$565
Quickest round-trip

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Mon 11/30

6:00 am-12:45 pm

1 stop7h 45m

Liberia

Wed 12/9

2:00 pm-12:08 pm

2 stops21h 08m

$660

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Mon 11/30

6:00 am-12:45 pm

1 stop7h 45m

Liberia

Thu 12/10

2:00 pm-12:08 pm

2 stops21h 08m

$660

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Mon 11/30

4:40 pm-12:45 pm

2 stops21h 05m

Liberia

Tue 12/8

2:00 pm-12:08 pm

2 stops21h 08m

$687

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Portland, Maine to Liberia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Portland, Maine to Liberia flights?

You could potentially save up to 23% on your flight if you consider stops on a Portland, Maine to Liberia flight.

When to book flights from Portland, Maine to Liberia

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Liberia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Liberia (PWM to LIR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Liberia

Fastest flight time

8h 00m

Direct flights

None
The fastest flight from Portland, Maine to Liberia takes 8h 00m
There are no direct flights from Portland, Maine to Liberia. There are no popular flight routes from Portland, Maine to Liberia.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Liberia

  • How far is Portland to Liberia by plane?

    There are 2454.6 mi between Portland and Liberia. In terms of flight time, this usually takes a little over 8h 00m.

  • When did momondo last update prices for flights from Portland Airport to Liberia Airport?

    Prices for flights from Portland Airport to Liberia Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Liberia Airport?

  • How old do you have to be to fly from Portland Airport to Liberia Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Liberia Airport.

  • What documentation or ID do you need to fly to Liberia Airport?

    The necessary travel and health documents for your Liberia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland, Maine to Liberia?

Best airlines flying from Portland, Maine to Liberia

Compare and see reviews for airlines that fly from Portland, Maine to Liberia with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $236Free CancellationRating
7.1
3,036 reviews
Search JetBlue flights
DeltaPriceFrom $299Free CancellationRating
7.8
8,503 reviews
Search Delta flights
American AirlinesPriceFrom $528Free CancellationRating
7.1
11,924 reviews
Search American Airlines flights

Traveling to a place near Liberia?

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

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Liberia?

It is quick and easy to find Portland to Liberia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Liberia that suits you.

Can I find flights from Portland to Liberia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Liberia flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Liberia?

momondo provides multiple filters to help you find the best flight to Liberia from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Liberia right now. Can momondo alert me if prices change?

Price alerts on flights to Liberia from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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