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Cheap flights from Portland to Liberia from $165

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 9/6. 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
0 bags

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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.
American Airlines Logo
11:59 pm - 1:01 pmPDX-LIR
12h 02m1 stop
American Airlines Logo
2:05 pm - 10:43 pmLIR-PDX
9h 38m1 stop
$401American Airlines
Find Deal
Thu, Sep 4 - Sat, Sep 13
Delta Logo
5:10 pm - 11:41 amPDX-LIR
17h 31m2 stops
Delta Logo
1:12 pm - 9:04 amLIR-PDX
20h 52m2 stops
$405Delta
Find Deal
Thu, Sep 4 - Sat, Sep 13
United Airlines Logo
7:19 pm - 11:55 amPDX-LIR
15h 36m2 stops
United Airlines Logo
12:53 pm - 9:42 amLIR-PDX
21h 49m1 stop
$469United Airlines
Find Deal
Fri, May 16 - Sat, May 24
United Airlines Logo
6:30 pm - 6:03 pmPDX-LIR
22h 33m1 stop
United Airlines Logo
8:45 am - 6:35 pmLIR-PDX
10h 50m1 stop
$476United Airlines
Find Deal
Fri, May 16 - Sat, May 24
Alaska Airlines Logo
2:52 pm - 6:20 amPDX-LIR
14h 28m2 stops
Alaska Airlines Logo
11:20 am - 11:59 pmLIR-PDX
13h 39m1 stop
$477Alaska Airlines
Find Deal
Mon, May 12 - Wed, May 21
Southwest Logo
8:15 pm - 12:45 pmPDX-LIR
15h 30m2 stops
Southwest Logo
11:50 am - 11:20 pmLIR-PDX
12h 30m2 stops
$606Southwest
Find Deal
Sat, Jul 5 - Sat, Jul 12
Alaska Airlines Logo
7:35 pm - 6:20 amPDX-LIR
9h 45m1 stop
Alaska Airlines Logo
4:58 pm - 9:23 amLIR-PDX
17h 25m1 stop
$675Alaska Airlines
Find Deal
Fri, Jul 18 - Sun, Jul 27
Southwest Logo
9:15 pm - 11:35 amPDX-LIR
13h 20m1 stop
Southwest Logo
1:45 pm - 11:20 pmLIR-PDX
10h 35m1 stop
$707Southwest
Find Deal
Sat, Jul 5 - Sat, Jul 12
 Logo
12:07 am - 2:40 pmPDX-LIR
13h 33m2 stops
 Logo
3:40 pm - 6:20 amLIR-PDX
15h 40m2 stops
Mon, Jun 16 - Thu, Jun 26
 Logo
5:40 pm - 3:40 pmPDX-LIR
21h 00m3 stops
 Logo
1:25 pm - 12:52 pmLIR-PDX
24h 27m2 stops
Fri, May 16 - Sat, May 24

American Airlines flights from Portland to Liberia

Our best American Airlines deals on Portland to Liberia flight tickets
American Airlines
Sep 4
PDX11:59 pmPortland
12h 02m
1 stop
LIR1:01 pmLiberia
Sep 13
LIR2:05 pmLiberia
9h 38m
1 stop
PDX10:43 pmPortland
American Airlines
Apr 26
PDX10:34 pmPortland
12h 00m
1 stop
LIR11:34 amLiberia
May 2
LIR12:45 pmLiberia
11h 43m
1 stop
PDX11:28 pmPortland
American Airlines
Jun 10
PDX10:56 pmPortland
13h 19m
2 stops
LIR1:15 pmLiberia
Jun 18
LIR3:40 pmLiberia
18h 59m
2 stops
PDX9:39 amPortland

United Airlines flights from Portland to Liberia

Our best United Airlines deals on Portland to Liberia flight tickets
United Airlines
May 16
PDX7:19 pmPortland
15h 36m
2 stops
LIR11:55 amLiberia
May 24
LIR12:53 pmLiberia
21h 49m
1 stop
PDX9:42 amPortland
United Airlines
May 16
PDX6:30 pmPortland
22h 33m
1 stop
LIR6:03 pmLiberia
May 24
LIR8:45 amLiberia
10h 50m
1 stop
PDX6:35 pmPortland
United Airlines
May 18
PDX6:30 pmPortland
18h 53m
2 stops
LIR2:23 pmLiberia
May 23
LIR1:20 pmLiberia
19h 22m
2 stops
PDX7:42 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 typical price of a round-trip flight between Portland and Liberia?

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 $654 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 April 2025, prices for Portland to Liberia flights are approximately 3% 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

$165

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 $165. The best round-trip flight deal from Portland to Liberia found on momondo in the last 72 hours is $401.
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
9,876 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $471Free CancellationRating
7.4
8,658 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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