Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Liberia from $219

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 5/17. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Portland to Liberia

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to Liberia.
10:34 pm - 11:34 amPDX-LIR
12h 00m1 stop
2:26 pm - 10:55 amLIR-PDX
21h 29m2 stops
$459American Airlines
Find Deal
Tue, Apr 8 - Tue, Apr 15
2:40 pm - 6:20 amPDX-LIR
14h 40m1 stop
4:52 pm - 9:48 amLIR-PDX
17h 56m1 stop
$469Alaska Airlines
Find Deal
Sat, May 3 - Sat, May 10
5:53 pm - 11:34 amPDX-LIR
16h 41m2 stops
2:05 pm - 10:50 amLIR-PDX
21h 45m2 stops
$473American Airlines
Find Deal
Tue, Apr 29 - Wed, May 14
6:00 am - 6:20 amPDX-LIR
23h 20m1 stop
11:20 am - 8:37 pmLIR-PDX
10h 17m1 stop
$477Alaska Airlines
Find Deal
Sun, May 4 - Wed, May 14
10:34 pm - 1:16 pmPDX-LIR
13h 42m1 stop
2:05 pm - 10:50 amLIR-PDX
21h 45m2 stops
$478American Airlines
Find Deal
Fri, Apr 25 - Sun, May 4
7:41 pm - 12:10 pmPDX-LIR
15h 29m2 stops
1:20 pm - 10:15 amLIR-PDX
21h 55m2 stops
$495United Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 25
11:59 pm - 10:00 amPDX-LIR
9h 01m1 stop
3:25 pm - 7:42 amLIR-PDX
17h 17m2 stops
$500United Airlines
Find Deal
Fri, Jun 13 - Wed, Jun 18
7:50 pm - 11:37 amPDX-LIR
14h 47m2 stops
1:02 pm - 9:08 amLIR-PDX
21h 06m2 stops
$561Delta
Find Deal
Sun, Apr 20 - Thu, May 1
4:15 pm - 1:05 pmPDX-LIR
19h 50m2 stops
11:50 am - 1:10 amLIR-PDX
14h 20m2 stops
$596Southwest
Find Deal
Sat, Jun 21 - Sun, Jun 29
12:59 am - 11:44 amPDX-LIR
9h 45m1 stop
1:02 pm - 9:08 amLIR-PDX
21h 06m2 stops
$691Delta
Find Deal
Mon, Apr 7 - Tue, Apr 15

Alaska Airlines flights from Portland to Liberia

Our best Alaska Airlines deals on Portland to Liberia flight tickets
Alaska Airlines
May 3
PDX2:40 pmPortland
14h 40m
1 stop
LIR6:20 amLiberia
May 10
LIR4:52 pmLiberia
17h 56m
1 stop
PDX9:48 amPortland
Alaska Airlines
May 4
PDX6:00 amPortland
23h 20m
1 stop
LIR6:20 amLiberia
May 14
LIR11:20 amLiberia
10h 17m
1 stop
PDX8:37 pmPortland
Alaska Airlines
May 5
PDX9:34 pmPortland
31h 46m
1 stop
LIR6:20 amLiberia
May 19
LIR11:20 amLiberia
23h 08m
1 stop
PDX9:28 amPortland

United Airlines flights from Portland to Liberia

Our best United Airlines deals on Portland to Liberia flight tickets
United Airlines
Apr 2
PDX5:00 amPortland
9h 25m
1 stop
LIR3:25 pmLiberia
Apr 8
LIR1:20 pmLiberia
10h 54m
1 stop
PDX11:14 pmPortland
United Airlines
Apr 2
PDX7:30 pmPortland
15h 25m
2 stops
LIR11:55 amLiberia
Apr 8
LIR1:20 pmLiberia
21h 27m
2 stops
PDX9:47 amPortland
United Airlines
Sep 15
PDX7:41 pmPortland
15h 29m
2 stops
LIR12:10 pmLiberia
Sep 25
LIR1:20 pmLiberia
21h 55m
2 stops
PDX10:15 amPortland

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 February is another great option to travel to Liberia, with average flight prices from Portland averaging around $562.

What is the cheapest day to depart on your flight to Liberia?

On average, the least expensive day to fly to Liberia from Portland is on a Sunday. momondo users have found tickets for Sunday departures for as low as $611. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Liberia for around $696.

What is the cheapest time of day to depart on your flight to Liberia?

At noon is the cheapest time of day to fly from Portland to Liberia when you can find flight prices for as low as $490. Flying to Liberia at noon is an ideal time because this is during off-peak travel hours. Flights to Liberia are more costly in the morning, with an average ticket price of $673. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 2 weeks ahead of your departure date. In general, you can expect to find flights to Liberia for around $657 when searching 2 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 $547 on momondo.

How have Portland to Liberia flight prices changed over time?

As of March 2025, prices for Portland to Liberia flights are approximately 10% 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

Best Price Found

$219

Fastest flight time

9h 01m

Direct flights

None

Airports in Liberia

1 airport
The best one-way flight to Liberia from Portland in the past 72 hours is $219. The best round-trip flight deal from Portland to Liberia found on momondo in the last 72 hours is $459.
The fastest flight from Portland to Liberia takes 9h 01m
There are no direct flights from Portland to Liberia. Popular non-direct route for this connection is Portland Airport - Liberia Airport.
There is 1 airport near Liberia: Liberia (LIR)

  • 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
American AirlinesPriceFrom $409Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $429Free CancellationRating
8.0
9,792 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $474Free CancellationRating
7.4
8,608 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.


An easier way to manage your Liberia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 3/31
Mon 4/7

Find better results for your trip to Costa Rica