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Cheap flights from Portland to Liberia from $192

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 to Liberia departing on 5/2. 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
0 bags

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Find the cheapest flights from Portland to Liberia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:37 pm - 6:20 am
PDX
-
LIR
14h 43m
1 stop
Alaska Airlines Logo
6:12 pm - 9:38 am
LIR
-
PDX
16h 26m
1 stop
$416Alaska Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
10:23 pm - 1:40 pm
PDX
-
LIR
14h 17m
2 stops
American Airlines Logo
12:27 pm - 11:01 am
LIR
-
PDX
23h 34m
2 stops
$421American Airlines
Mon, Apr 20 - Tue, May 5
American Airlines Logo
10:28 pm - 1:10 pm
PDX
-
LIR
13h 42m
1 stop
American Airlines Logo
2:10 pm - 11:01 am
LIR
-
PDX
21h 51m
1 stop
$426American Airlines
Mon, Apr 20 - Tue, May 5
American Airlines Logo
10:28 pm - 11:24 am
PDX
-
LIR
11h 56m
1 stop
American Airlines Logo
12:30 pm - 11:53 pm
LIR
-
PDX
12h 23m
1 stop
$430American Airlines
Sat, Apr 18 - Sat, May 9
American Airlines Logo
11:47 pm - 1:10 pm
PDX
-
LIR
12h 23m
2 stops
American Airlines Logo
2:40 pm - 11:01 am
LIR
-
PDX
21h 21m
2 stops
$435American Airlines
Sat, Apr 18 - Sat, May 9
American Airlines Logo
10:28 pm - 11:24 am
PDX
-
LIR
11h 56m
1 stop
American Airlines Logo
2:10 pm - 11:01 am
LIR
-
PDX
21h 51m
1 stop
$440American Airlines
Thu, Apr 30 - Tue, May 5
Alaska Airlines Logo
3:36 pm - 6:20 am
PDX
-
LIR
13h 44m
2 stops
Alaska Airlines Logo
6:12 pm - 9:38 am
LIR
-
PDX
16h 26m
1 stop
$441Alaska Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
6:03 pm - 10:00 am
PDX
-
LIR
14h 57m
2 stops
United Airlines Logo
11:10 am - 10:48 pm
LIR
-
PDX
12h 38m
1 stop
$442United Airlines
Wed, Jun 3 - Wed, Jun 10
American Airlines Logo
5:42 pm - 1:45 pm
PDX
-
LIR
19h 03m
2 stops
American Airlines Logo
2:26 pm - 10:44 am
LIR
-
PDX
21h 18m
2 stops
$449American Airlines
Thu, Aug 13 - Sat, Aug 29
United Airlines Logo
11:59 pm - 10:00 am
PDX
-
LIR
9h 01m
1 stop
United Airlines Logo
3:27 pm - 10:20 am
LIR
-
PDX
19h 53m
2 stops
$450United Airlines
Wed, Jul 29 - Wed, Aug 5

Alaska Airlines flights from Portland to Liberia

Our best Alaska Airlines deals on Portland to Liberia flight tickets
Alaska Airlines
Apr 14
PDX2:37 pmPortland
14h 43m
1 stop
LIR6:20 amLiberia
Apr 21
LIR6:12 pmLiberia
16h 26m
1 stop
PDX9:38 amPortland
$416
Alaska Airlines
Apr 14
PDX3:36 pmPortland
13h 44m
2 stops
LIR6:20 amLiberia
Apr 21
LIR6:12 pmLiberia
16h 26m
1 stop
PDX9:38 amPortland
$441
Alaska Airlines
Aug 3
PDX2:39 pmPortland
14h 58m
1 stop
LIR6:37 amLiberia
Aug 13
LIR6:39 pmLiberia
15h 45m
1 stop
PDX9:24 amPortland
$451

American Airlines flights from Portland to Liberia

Our best American Airlines deals on Portland to Liberia flight tickets
American Airlines
Apr 20
PDX10:23 pmPortland
14h 17m
2 stops
LIR1:40 pmLiberia
May 5
LIR12:27 pmLiberia
23h 34m
2 stops
PDX11:01 amPortland
$421
American Airlines
Apr 20
PDX10:28 pmPortland
13h 42m
1 stop
LIR1:10 pmLiberia
May 5
LIR2:10 pmLiberia
21h 51m
1 stop
PDX11:01 amPortland
$426
American Airlines
Apr 18
PDX10:28 pmPortland
11h 56m
1 stop
LIR11:24 amLiberia
May 9
LIR12:30 pmLiberia
12h 23m
1 stop
PDX11:53 pmPortland
$430

momondo 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, momondo users made 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Portland to Liberia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 4/14

2:37 pm-6:20 am

1 stop14h 43m

Liberia

Tue 4/21

6:12 pm-9:38 am

1 stop16h 26m

$416

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 4/20

10:23 pm-1:40 pm

2 stops14h 17m

Liberia

Tue 5/5

12:27 pm-11:01 am

2 stops23h 34m

$421

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 4/20

10:28 pm-1:10 pm

1 stop13h 42m

Liberia

Tue 5/5

2:10 pm-11:01 am

1 stop21h 51m

$426
Quickest round-trip

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 4/18

10:28 pm-11:24 am

1 stop11h 56m

Liberia

Sat 5/9

12:30 pm-11:53 pm

1 stop12h 23m

$430

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 4/18

11:47 pm-1:10 pm

2 stops12h 23m

Liberia

Sat 5/9

2:40 pm-11:01 am

2 stops21h 21m

$435

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 4/30

10:28 pm-11:24 am

1 stop11h 56m

Liberia

Tue 5/5

2:10 pm-11:01 am

1 stop21h 51m

$440

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 4/14

3:36 pm-6:20 am

2 stops13h 44m

Liberia

Tue 4/21

6:12 pm-9:38 am

1 stop16h 26m

$441

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 6/3

6:03 pm-10:00 am

2 stops14h 57m

Liberia

Wed 6/10

11:10 am-10:48 pm

1 stop12h 38m

$442

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 8/13

5:42 pm-1:45 pm

2 stops19h 03m

Liberia

Sat 8/29

2:26 pm-10:44 am

2 stops21h 18m

$449

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 7/29

11:59 pm-10:00 am

1 stop9h 01m

Liberia

Wed 8/5

3:27 pm-10:20 am

2 stops19h 53m

$450

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Liberia from

How to get the cheapest flight ticket from Portland 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

What is the cheapest month to fly to Liberia?

The month of July is another great option to travel to Liberia, with average flight prices from Portland averaging around $478.

How far in advance should I book a flight to Liberia?

You are more likely to see cheaper flights to Liberia from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Liberia for around $557 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Liberia from Portland for as low as $444 on momondo.

Can stopping save me money on Portland to Liberia flights?

You could potentially save up to 25% on your flight if you consider stops on a Portland to Liberia flight.

How have Portland to Liberia flight prices changed over time?

As of March 2026, prices for Portland to Liberia flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Liberia

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

Cheap Portland to Liberia (PDX to LIR) flight deals and tips

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

Fastest flight time

9h 01m

Direct flights

None
The fastest flight from Portland to Liberia takes 9h 01m
There are no direct flights from Portland to Liberia. There are no popular flight routes from Portland to Liberia.
Search flight deals

  • How far is Portland to Liberia by plane?

    Portland and Liberia are 3256.6 mi apart from one another. 9h 01m is a normal flight duration for this route.

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

    Prices for flights from Portland Airport to Liberia Airport are refreshed on a daily basis.

  • 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 travel and health documents you'll need for your trip to Liberia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Liberia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Portland to Liberia

Compare and see reviews for airlines that fly from Portland to Liberia with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $344Free CancellationRating
8.0
12,014 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $344Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
9,409 reviews
Search United 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Liberia. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Liberia from Portland with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Liberia from Portland.

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

Of course. momondo tracks the price of Portland to Liberia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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