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Cheap flights from Portland to Liberia from $202

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 7/6. 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 to Liberia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:10 am - 6:37 pm
PDX
-
LIR
9h 27m
1 stop
United Airlines Logo
8:35 am - 11:11 pm
LIR
-
PDX
16h 36m
1 stop
$436United Airlines
Wed, Nov 4 - Fri, Nov 13
United Airlines Logo
7:10 am - 6:37 pm
PDX
-
LIR
9h 27m
1 stop
United Airlines Logo
8:35 am - 8:33 pm
LIR
-
PDX
13h 58m
2 stops
$441United Airlines
Tue, Nov 10 - Wed, Nov 18
United Airlines Logo
7:10 am - 6:37 pm
PDX
-
LIR
9h 27m
1 stop
United Airlines Logo
8:35 am - 10:38 pm
LIR
-
PDX
16h 03m
2 stops
$455United Airlines
Wed, Nov 4 - Fri, Nov 6
United Airlines Logo
5:00 am - 3:19 pm
PDX
-
LIR
9h 19m
1 stop
United Airlines Logo
11:49 am - 9:15 pm
LIR
-
PDX
10h 26m
1 stop
$458United Airlines
Mon, Jul 6 - Mon, Jul 13
American Airlines Logo
11:59 pm - 2:45 pm
PDX
-
LIR
12h 46m
1 stop
American Airlines Logo
3:10 pm - 7:11 pm
LIR
-
PDX
30h 01m
1 stop
$461American Airlines
Sat, Dec 5 - Mon, Dec 14
United Airlines Logo
5:15 am - 4:08 pm
PDX
-
LIR
8h 53m
1 stop
United Airlines Logo
8:35 am - 10:38 pm
LIR
-
PDX
16h 03m
2 stops
$469United Airlines
Fri, Nov 6 - Sat, Nov 14
United Airlines Logo
7:10 am - 6:37 pm
PDX
-
LIR
9h 27m
1 stop
United Airlines Logo
8:35 am - 11:11 pm
LIR
-
PDX
16h 36m
1 stop
$475United Airlines
Fri, Nov 6 - Fri, Nov 13
United Airlines Logo
5:15 am - 6:37 pm
PDX
-
LIR
11h 22m
2 stops
United Airlines Logo
8:35 am - 8:49 pm
LIR
-
PDX
14h 14m
2 stops
$478United Airlines
Tue, Nov 10 - Wed, Nov 18
American Airlines Logo
11:59 pm - 2:45 pm
PDX
-
LIR
12h 46m
1 stop
American Airlines Logo
3:10 pm - 10:59 pm
LIR
-
PDX
9h 49m
1 stop
$490American Airlines
Sat, Nov 14 - Tue, Nov 24
United Airlines Logo
7:10 am - 6:37 pm
PDX
-
LIR
9h 27m
1 stop
United Airlines Logo
8:35 am - 10:38 pm
LIR
-
PDX
16h 03m
2 stops
$494United Airlines
Fri, Nov 6 - Sat, Nov 14

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United Airlines flights from Portland to Liberia

Our best United Airlines deals on Portland to Liberia flight tickets
United Airlines
Nov 4
PDX7:10 amPortland
9h 27m
1 stop
LIR6:37 pmLiberia
Nov 13
LIR8:35 amLiberia
16h 36m
1 stop
PDX11:11 pmPortland
$436
United Airlines
Nov 10
PDX7:10 amPortland
9h 27m
1 stop
LIR6:37 pmLiberia
Nov 18
LIR8:35 amLiberia
13h 58m
2 stops
PDX8:33 pmPortland
$441
United Airlines
Nov 4
PDX7:10 amPortland
9h 27m
1 stop
LIR6:37 pmLiberia
Nov 6
LIR8:35 amLiberia
16h 03m
2 stops
PDX10:38 pmPortland
$455

American Airlines flights from Portland to Liberia

Our best American Airlines deals on Portland to Liberia flight tickets
American Airlines
Nov 14
PDX11:59 pmPortland
12h 46m
1 stop
LIR2:45 pmLiberia
Nov 24
LIR3:10 pmLiberia
9h 49m
1 stop
PDX10:59 pmPortland
$490
American Airlines
Nov 14
PDX5:42 pmPortland
16h 34m
2 stops
LIR12:16 pmLiberia
Dec 10
LIR3:28 pmLiberia
21h 37m
2 stops
PDX11:05 amPortland
$495
American Airlines
Sep 6
PDX11:58 amPortland
24h 40m
1 stop
LIR1:38 pmLiberia
Sep 12
LIR2:18 pmLiberia
21h 37m
2 stops
PDX10:55 amPortland
$525

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 June 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

Wed 11/4

7:10 am-6:37 pm

1 stop9h 27m

Liberia

Fri 11/13

8:35 am-11:11 pm

1 stop16h 36m

$436

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 11/10

7:10 am-6:37 pm

1 stop9h 27m

Liberia

Wed 11/18

8:35 am-8:33 pm

2 stops13h 58m

$441

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 11/4

7:10 am-6:37 pm

1 stop9h 27m

Liberia

Fri 11/6

8:35 am-10:38 pm

2 stops16h 03m

$455
Quickest round-trip

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 7/6

5:00 am-3:19 pm

1 stop9h 19m

Liberia

Mon 7/13

11:49 am-9:15 pm

1 stop10h 26m

$458

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 12/5

11:59 pm-2:45 pm

1 stop12h 46m

Liberia

Mon 12/14

3:10 pm-7:11 pm

1 stop30h 01m

$461

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 11/6

5:15 am-4:08 pm

1 stop8h 53m

Liberia

Sat 11/14

8:35 am-10:38 pm

2 stops16h 03m

$469

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 11/6

7:10 am-6:37 pm

1 stop9h 27m

Liberia

Fri 11/13

8:35 am-11:11 pm

1 stop16h 36m

$475

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Tue 11/10

5:15 am-6:37 pm

2 stops11h 22m

Liberia

Wed 11/18

8:35 am-8:49 pm

2 stops14h 14m

$478

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 11/14

11:59 pm-2:45 pm

1 stop12h 46m

Liberia

Tue 11/24

3:10 pm-10:59 pm

1 stop9h 49m

$490

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 11/6

7:10 am-6:37 pm

1 stop9h 27m

Liberia

Sat 11/14

8:35 am-10:38 pm

2 stops16h 03m

$494

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 typical price of a round-trip flight between Portland and Liberia?

What is the cheapest month to fly to Liberia?

The month of September is another great option to travel to Liberia, with average flight prices from Portland averaging around $467.

How far in advance should I book a flight from Portland 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 $569 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 $426 on momondo.

Can stopping save me money on Portland to Liberia flights?

You could potentially save up to 15% 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 June 2026, prices for Portland to Liberia flights are approximately 19% 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 19m

Direct flights

None
The fastest flight from Portland to Liberia takes 9h 19m
There are no direct flights from Portland to Liberia. There are no popular flight routes from Portland to Liberia.
Search flight deals

Frequently asked questions about flying from Portland to Liberia

  • How far is Portland to Liberia by plane?

    Portland and Liberia are 3256.6 mi apart from one another. 9h 19m 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
7.9
12,479 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $344Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
9,807 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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