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Cheap flights from Portland to Liberia from $257

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.
American Airlines Logo
11:49 pm - 1:43 pmPDX  Portland-LIR Liberia
12h 54m1 stop Dallas/Fort Worth
American Airlines Logo
2:44 pm - 1:28 pmLIR  Liberia-PDX Portland
23h 44m2 stops Miami Chicago O'Hare Intl
$501American Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
10:55 pm - 1:43 pmPDX  Portland-LIR Liberia
13h 48m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
2:44 pm - 1:28 pmLIR  Liberia-PDX Portland
23h 44m2 stops Miami Chicago O'Hare Intl
$501American Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
7:10 am - 6:37 pmPDX  Portland-LIR Liberia
9h 27m1 stop Houston George Bush Intcntl
United Airlines Logo
2:20 pm - 11:18 pmLIR  Liberia-PDX Portland
10h 58m1 stop Houston George Bush Intcntl
$504United Airlines
Sun, Jan 24 - Tue, Feb 2
United Airlines Logo
3:30 pm - 1:10 pmPDX  Portland-LIR Liberia
19h 40m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
2:20 pm - 11:18 pmLIR  Liberia-PDX Portland
10h 58m1 stop Houston George Bush Intcntl
$504United Airlines
Sun, Jan 24 - Tue, Feb 2
American Airlines Logo
11:05 pm - 12:39 pmPDX  Portland-LIR Liberia
11h 34m1 stop Miami
American Airlines Logo
3:17 pm - 11:52 pmLIR  Liberia-PDX Portland
10h 35m1 stop Dallas/Fort Worth
$504American Airlines
Mon, Jan 25 - Thu, Feb 25
GOL Logo
11:09 pm - 2:17 pmPDX  Portland-LIR Liberia
13h 08m2 stops Chicago O'Hare Intl Miami
GOL Logo
3:32 pm - 11:07 amLIR  Liberia-PDX Portland
21h 35m2 stops Miami Dallas/Fort Worth
$523GOL
Sat, Nov 14 - Sat, Nov 21
United Airlines Logo
6:55 pm - 12:10 pmPDX  Portland-LIR Liberia
16h 15m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
1:20 pm - 10:21 pmLIR  Liberia-PDX Portland
10h 01m1 stop Houston George Bush Intcntl
$525United Airlines
Fri, Oct 16 - Fri, Oct 23
Air Canada Logo
10:00 am - 2:20 pmPDX  Portland-LIR Liberia
26h 20m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
3:20 pm - 6:31 pmLIR  Liberia-PDX Portland
29h 11m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$538Air Canada
Mon, Nov 16 - Tue, Nov 24
Alaska Airlines Logo
7:09 am - 8:30 pmPDX  Portland-LIR Liberia
11h 21m1 stop San Francisco
Alaska Airlines Logo
10:00 am - 8:31 pmLIR  Liberia-PDX Portland
12h 31m1 stop Los Angeles Los Angeles
$570Alaska Airlines
Sat, Jan 23 - Fri, Feb 26
Alaska Airlines Logo
7:09 am - 8:30 pmPDX  Portland-LIR Liberia
11h 21m1 stop San Francisco
Alaska Airlines Logo
10:00 am - 8:31 pmLIR  Liberia-PDX Portland
12h 31m1 stop Los Angeles Los Angeles
$570Alaska Airlines
Sat, Jan 23 - Thu, Feb 25

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United Airlines flights from Portland to Liberia

Our best United Airlines deals on Portland to Liberia flight tickets
United Airlines
Jan 24
PDX7:49 pmPortland
15h 06m
2 stops
LIR12:55 pmLiberia
Feb 2
LIR2:20 pmLiberia
10h 58m
1 stop
PDX11:18 pmPortland
$504
United Airlines
Jan 24
PDX4:05 pmPortland
22h 03m
1 stop
LIR4:08 pmLiberia
Feb 2
LIR2:20 pmLiberia
10h 58m
1 stop
PDX11:18 pmPortland
$514
United Airlines
Oct 1
PDX12:45 pmPortland
22h 25m
2 stops
LIR12:10 pmLiberia
Oct 8
LIR1:20 pmLiberia
10h 01m
1 stop
PDX10:21 pmPortland
$525

Delta flights from Portland to Liberia

Our best Delta deals on Portland to Liberia flight tickets
Delta
Jan 22
PDX7:40 pmPortland
17h 45m
2 stops
LIR3:25 pmLiberia
Feb 4
LIR3:25 pmLiberia
27h 34m
2 stops
PDX4:59 pmPortland
$551
Delta
Jan 26
PDX1:45 pmPortland
22h 25m
2 stops
LIR2:10 pmLiberia
Jan 30
LIR3:25 pmLiberia
26h 48m
2 stops
PDX4:13 pmPortland
$575
Delta
Sep 11
PDX5:10 pmPortland
17h 50m
2 stops
LIR12:00 pmLiberia
Sep 15
LIR1:25 pmLiberia
24h 27m
2 stops
PDX12:52 pmPortland
$678

momondo Fare Finder

 
Use the filters below to find and compare flights from Portland to Liberia that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sat 10/24

11:49 pm-1:43 pm

1 stop12h 54m

Liberia

Sat 10/31

2:44 pm-1:28 pm

2 stops23h 44m

$501

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sat 10/24

10:55 pm-1:43 pm

2 stops13h 48m

Liberia

Sat 10/31

2:44 pm-1:28 pm

2 stops23h 44m

$501
Quickest round-trip

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sun 1/24

7:10 am-6:37 pm

1 stop9h 27m

Liberia

Tue 2/2

2:20 pm-11:18 pm

1 stop10h 58m

$504

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sun 1/24

3:30 pm-1:10 pm

2 stops19h 40m

Liberia

Tue 2/2

2:20 pm-11:18 pm

1 stop10h 58m

$504

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 1/25

11:05 pm-12:39 pm

1 stop11h 34m

Liberia

Thu 2/25

3:17 pm-11:52 pm

1 stop10h 35m

$504

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sat 11/14

11:09 pm-2:17 pm

2 stops13h 08m

Liberia

Sat 11/21

3:32 pm-11:07 am

2 stops21h 35m

$523

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Fri 10/16

6:55 pm-12:10 pm

2 stops16h 15m

Liberia

Fri 10/23

1:20 pm-10:21 pm

1 stop10h 01m

$525

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 11/16

10:00 am-2:20 pm

2 stops26h 20m

Liberia

Tue 11/24

3:20 pm-6:31 pm

2 stops29h 11m

$538

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sat 1/23

7:09 am-8:30 pm

1 stop11h 21m

Liberia

Fri 2/26

10:00 am-8:31 pm

1 stop12h 31m

$570

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sat 1/23

7:09 am-8:30 pm

1 stop11h 21m

Liberia

Thu 2/25

10:00 am-8:31 pm

1 stop12h 31m

$570

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $467 to $564.
The lowest price recently found on this route was $501.

What is the cheapest month to fly to Liberia?

The month of January is another great option to travel to Liberia, with average flight prices from Portland averaging around $507.

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 $615 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 $475 on momondo.

How have Portland to Liberia flight prices changed over time?

As of September 2026, prices for Portland to Liberia flights are approximately 25% more expensive 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

Best Price Found

$257

Fastest flight time

8h 53m

Direct flights

None
The best one-way flight to Liberia from Portland in the past 72 hours is $257. The best round-trip flight deal from Portland to Liberia found on momondo in the last 72 hours is $501.
The fastest flight from Portland to Liberia takes 8h 53m
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. 8h 53m 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
12,904 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $346Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $352Free CancellationRating
7.4
10,194 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
Coco
Playa Hermosa

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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