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Cheap flights from Portland to Liberia from $278

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
11:09 pm - 12:39 pmPDX  Portland-LIR Liberia
11h 30m1 stop Miami
American Airlines Logo
3:42 pm - 12:59 amLIR  Liberia-PDX Portland
11h 17m1 stop Miami
$545American Airlines
Mon, Jan 11 - Fri, Jan 22
American Airlines Logo
11:49 pm - 2:42 pmPDX  Portland-LIR Liberia
12h 53m1 stop Dallas/Fort Worth
American Airlines Logo
3:42 pm - 12:59 amLIR  Liberia-PDX Portland
11h 17m1 stop Miami
$545American Airlines
Mon, Jan 11 - Fri, Jan 22
United Airlines Logo
1:21 pm - 1:10 pmPDX  Portland-LIR Liberia
21h 49m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
1:00 pm - 9:15 pmLIR  Liberia-PDX Portland
10h 15m1 stop Denver Intl
$545United Airlines
Mon, Jan 11 - Fri, Jan 22
United Airlines Logo
5:15 am - 4:10 pmPDX  Portland-LIR Liberia
8h 55m1 stop Denver Intl
United Airlines Logo
8:45 am - 11:12 pmLIR  Liberia-PDX Portland
16h 27m1 stop Houston George Bush Intcntl
$545United Airlines
Tue, Feb 23 - Tue, Mar 2
United Airlines Logo
1:21 pm - 1:10 pmPDX  Portland-LIR Liberia
21h 49m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
2:20 pm - 11:12 pmLIR  Liberia-PDX Portland
10h 52m1 stop Houston George Bush Intcntl
$545United Airlines
Tue, Feb 2 - Thu, Feb 11
American Airlines Logo
11:59 pm - 2:35 pmPDX  Portland-LIR Liberia
12h 36m1 stop Dallas/Fort Worth
American Airlines Logo
3:42 pm - 1:16 pmLIR  Liberia-PDX Portland
23h 34m2 stops Miami Chicago O'Hare Intl
$549American Airlines
Sun, Jan 3 - Wed, Jan 13
Delta Logo
1:38 pm - 12:35 pmPDX  Portland-LIR Liberia
20h 57m2 stops Seattle/Tacoma Intl Minneapolis St Paul
Delta Logo
3:25 pm - 4:28 pmLIR  Liberia-PDX Portland
27h 03m2 stops Atlanta Hartsfield-Jackson Los Angeles
$551Delta
Mon, Jan 4 - Fri, Jan 15
GOL Logo
2:48 pm - 12:24 pmPDX  Portland-LIR Liberia
19h 36m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
GOL Logo
1:22 pm - 12:37 amLIR  Liberia-PDX Portland
13h 15m2 stops Miami Phoenix Sky Harbor Intl
$596GOL
Tue, Feb 2 - Thu, Feb 11
Alaska Airlines Logo
6:00 am - 8:31 pmPDX  Portland-LIR Liberia
12h 31m1 stop Los Angeles
Alaska Airlines Logo
6:23 pm - 9:26 amLIR  Liberia-PDX Portland
17h 03m1 stop San Francisco
$614Alaska Airlines
Sun, Jan 31 - Sat, Feb 6
Alaska Airlines Logo
7:09 am - 8:31 pmPDX  Portland-LIR Liberia
11h 22m2 stops San Francisco Los Angeles
Alaska Airlines Logo
6:23 pm - 9:26 amLIR  Liberia-PDX Portland
17h 03m1 stop San Francisco
$630Alaska Airlines
Sat, Jan 16 - Sat, Jan 30

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Alaska Airlines flights from Portland to Liberia

Our best Alaska Airlines deals on Portland to Liberia flight tickets
Alaska Airlines
Jan 31
PDX6:00 amPortland
12h 31m
1 stop
LIR8:31 pmLiberia
Feb 6
LIR6:23 pmLiberia
17h 03m
1 stop
PDX9:26 amPortland
$614
Alaska Airlines
Jan 16
PDX7:09 amPortland
11h 22m
2 stops
LIR8:31 pmLiberia
Jan 30
LIR6:23 pmLiberia
17h 03m
1 stop
PDX9:26 amPortland
$630
Alaska Airlines
Feb 17
PDX9:50 pmPortland
18h 35m
2 stops
LIR6:25 pmLiberia
Feb 24
LIR7:35 pmLiberia
23h 15m
2 stops
PDX4:50 pmPortland
$649

American Airlines flights from Portland to Liberia

Our best American Airlines deals on Portland to Liberia flight tickets
American Airlines
Jan 3
PDX11:31 pmPortland
13h 04m
2 stops
LIR2:35 pmLiberia
Jan 13
LIR3:42 pmLiberia
23h 34m
2 stops
PDX1:16 pmPortland
$549
American Airlines
Jan 3
PDX11:59 pmPortland
11h 01m
1 stop
LIR1:00 pmLiberia
Jan 13
LIR3:16 pmLiberia
21h 55m
1 stop
PDX11:11 amPortland
$557
American Airlines
Jan 11
PDX11:09 pmPortland
11h 30m
1 stop
LIR12:39 pmLiberia
Jan 22
LIR3:42 pmLiberia
11h 17m
1 stop
PDX12:59 amPortland
$565

momondo Fare Finder

 
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
Quickest round-trip

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 1/11

11:09 pm-12:39 pm

1 stop11h 30m

Liberia

Fri 1/22

3:42 pm-12:59 am

1 stop11h 17m

$545

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 1/11

11:49 pm-2:42 pm

1 stop12h 53m

Liberia

Fri 1/22

3:42 pm-12:59 am

1 stop11h 17m

$545

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 1/11

1:21 pm-1:10 pm

2 stops21h 49m

Liberia

Fri 1/22

1:00 pm-9:15 pm

1 stop10h 15m

$545

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Tue 2/23

5:15 am-4:10 pm

1 stop8h 55m

Liberia

Tue 3/2

8:45 am-11:12 pm

1 stop16h 27m

$545

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Tue 2/2

1:21 pm-1:10 pm

2 stops21h 49m

Liberia

Thu 2/11

2:20 pm-11:12 pm

1 stop10h 52m

$545

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sun 1/3

11:59 pm-2:35 pm

1 stop12h 36m

Liberia

Wed 1/13

3:42 pm-1:16 pm

2 stops23h 34m

$549

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 1/4

1:38 pm-12:35 pm

2 stops20h 57m

Liberia

Fri 1/15

3:25 pm-4:28 pm

2 stops27h 03m

$551

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Tue 2/2

2:48 pm-12:24 pm

2 stops19h 36m

Liberia

Thu 2/11

1:22 pm-12:37 am

2 stops13h 15m

$596

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sun 1/31

6:00 am-8:31 pm

1 stop12h 31m

Liberia

Sat 2/6

6:23 pm-9:26 am

1 stop17h 03m

$614

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sat 1/16

7:09 am-8:31 pm

2 stops11h 22m

Liberia

Sat 1/30

6:23 pm-9:26 am

1 stop17h 03m

$630

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 $532 to $636.
The lowest price recently found on this route was $545.

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 $550.

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 $621 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 $485 on momondo.

How have Portland to Liberia flight prices changed over time?

As of October 2026, prices for Portland to Liberia flights are approximately 30% 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

$278

Fastest flight time

8h 55m

Direct flights

None
The best one-way flight to Liberia from Portland in the past 72 hours is $278. The best round-trip flight deal from Portland to Liberia found on momondo in the last 72 hours is $545.
The fastest flight from Portland to Liberia takes 8h 55m
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 55m 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
13,116 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $358Free CancellationRating
7.3
10,422 reviews
Search United Airlines flights
American AirlinesPriceFrom $430Free CancellationRating
7.0
12,190 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?

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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