What airlines fly to Liberia?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Liberia from Portland according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Liberia. Keep in mind that there are 7 different airlines that fly to Liberia on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Portland to Liberia?

Flights via Dallas (DFW) offer the lowest average round-trip price of $493.

What is the cheapest airline that flies from Portland to Liberia?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Portland to Liberia

Which layover airport has the shortest connection time from Portland to Liberia?

Miami (MIA) has the shortest average layover time for this route: 1h 55m.

Which airport is the most popular layover for flights between Portland and Liberia?

Los Angeles (LAX) was the most common stop: 87% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Portland to Liberia?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 9h 10m.

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?

The number of operators available for flights from Portland Airport to Liberia Airport is 3 as of November 2025.

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.

$157 Cheap Flights from Portland to Liberia in 2025/26

Q: What is the typical price of a round-trip flight between Portland and Liberia?

Prices are currently low for flights on this route. Typical prices usually range from $496 to $1,087. The lowest price recently found on this route was $323.

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10:35 am - 6:45 amPDX-LIR

18h 10m1 stop

10:00 am - 11:59 pmLIR-PDX

14h 59m1 stop

$323Alaska Airlines

Find Deal

Mon, Mar 2 - Tue, Mar 10

5:30 pm - 6:45 amPDX-LIR

11h 15m1 stop

10:00 am - 11:59 pmLIR-PDX

14h 59m1 stop

$345Alaska Airlines

Find Deal

Sun, Mar 1 - Tue, Mar 10

10:10 pm - 12:40 pmPDX-LIR

12h 30m1 stop

2:45 pm - 8:38 amLIR-PDX

19h 53m2 stops

$349Delta

Find Deal

Sun, Dec 14 - Wed, Dec 24

9:30 pm - 6:01 pmPDX-LIR

18h 31m1 stop

6:11 pm - 9:49 amLIR-PDX

17h 38m1 stop

$351Alaska Airlines

Find Deal

Fri, Jan 30 - Sat, Feb 7

10:15 pm - 12:19 pmPDX-LIR

12h 04m1 stop

1:21 pm - 12:59 amLIR-PDX

13h 38m1 stop

$358American Airlines

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Thu, Dec 11 - Thu, Dec 25

5:30 pm - 6:45 amPDX-LIR

11h 15m1 stop

10:00 am - 11:59 pmLIR-PDX

14h 59m1 stop

$359Alaska Airlines

Find Deal

Sat, Feb 28 - Fri, Mar 13

12:45 pm - 12:40 pmPDX-LIR

21h 55m2 stops

3:05 pm - 12:39 pmLIR-PDX

23h 34m2 stops

$363Delta

Find Deal

Thu, Dec 11 - Wed, Dec 24

7:10 pm - 4:08 pmPDX-LIR

18h 58m1 stop

12:50 pm - 9:15 pmLIR-PDX

10h 25m1 stop

$366United Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

10:15 pm - 2:13 pmPDX-LIR

13h 58m2 stops

3:13 pm - 11:45 amLIR-PDX

22h 32m2 stops

$368American Airlines

Find Deal

Sat, Jan 17 - Sun, Feb 1

7:10 pm - 1:10 pmPDX-LIR

16h 00m2 stops

8:35 am - 9:15 pmLIR-PDX

14h 40m2 stops

$407United Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

Alaska Airlines flights from Portland to Liberia

Our best Alaska Airlines deals on Portland to Liberia flight tickets

Alaska Airlines

Mar 2

PDX10:35 amPortland

18h 10m

1 stop

LIR6:45 amLiberia

Mar 10

LIR10:00 amLiberia

14h 59m

1 stop

PDX11:59 pmPortland

$323

Find similar

Alaska Airlines

Mar 1

PDX5:30 pmPortland

11h 15m

1 stop

LIR6:45 amLiberia

Mar 10

LIR10:00 amLiberia

14h 59m

1 stop

PDX11:59 pmPortland

$345

Find similar

Alaska Airlines

Jan 30

PDX9:30 pmPortland

18h 31m

1 stop

LIR6:01 pmLiberia

Feb 7

LIR6:11 pmLiberia

17h 38m

1 stop

PDX9:49 amPortland

$351

Find similar

Delta flights from Portland to Liberia

Our best Delta deals on Portland to Liberia flight tickets

Delta

Dec 14

PDX10:10 pmPortland

12h 30m

1 stop

LIR12:40 pmLiberia

Dec 24

LIR2:45 pmLiberia

19h 53m

2 stops

PDX8:38 amPortland

$349

Find similar

Delta

Dec 11

PDX12:45 pmPortland

21h 55m

2 stops

LIR12:40 pmLiberia

Dec 24

LIR3:05 pmLiberia

23h 34m

2 stops

PDX12:39 pmPortland

$363

Find similar

Delta

Feb 26

PDX12:40 amPortland

10h 15m

1 stop

LIR12:55 pmLiberia

Mar 9

LIR2:55 pmLiberia

29h 34m

2 stops

PDX7:29 pmPortland

$377

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 3/2

10:35 am-6:45 am

1 stop18h 10m

Liberia

Tue 3/10

10:00 am-11:59 pm

1 stop14h 59m

$323

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 3/1

5:30 pm-6:45 am

1 stop11h 15m

Liberia

Tue 3/10

10:00 am-11:59 pm

1 stop14h 59m

$345

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 12/14

10:10 pm-12:40 pm

1 stop12h 30m

Liberia

Wed 12/24

2:45 pm-8:38 am

2 stops19h 53m

$349

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 1/30

9:30 pm-6:01 pm

1 stop18h 31m

Liberia

Sat 2/7

6:11 pm-9:49 am

1 stop17h 38m

$351

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 12/11

10:15 pm-12:19 pm

1 stop12h 04m

Liberia

Thu 12/25

1:21 pm-12:59 am

1 stop13h 38m

$358

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 2/28

5:30 pm-6:45 am

1 stop11h 15m

Liberia

Fri 3/13

10:00 am-11:59 pm

1 stop14h 59m

$359

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 12/11

12:45 pm-12:40 pm

2 stops21h 55m

Liberia

Wed 12/24

3:05 pm-12:39 pm

2 stops23h 34m

$363

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 12/1

7:10 pm-4:08 pm

1 stop18h 58m

Liberia

Mon 12/8

12:50 pm-9:15 pm

1 stop10h 25m

$366

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 1/17

10:15 pm-2:13 pm

2 stops13h 58m

Liberia

Sun 2/1

3:13 pm-11:45 am

2 stops22h 32m

$368

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 12/1

7:10 pm-1:10 pm

2 stops16h 00m

Liberia

Mon 12/8

8:35 am-9:15 pm

2 stops14h 40m

$407

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 January is another great option to travel to Liberia, with average flight prices from Portland averaging around $504.

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 weeks ahead of your departure date. In general, you can expect to find flights to Liberia for around $614 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 $491 on momondo.

Can stopping save me money on Portland to Liberia flights?

You could potentially save up to 5% 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 November 2025, prices for Portland to Liberia flights are approximately 15% 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

Direct flights	None

There are no direct flights from Portland to Liberia. There are no popular flight routes from Portland to Liberia.

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How far is Portland to Liberia by plane?
Portland and Liberia are 3256.6 mi apart from one another. 8h 51m 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?
The number of operators available for flights from Portland Airport to Liberia Airport is 3 as of November 2025.
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?
Based on momondo bookings for flights between Portland and Liberia, the leading airline is Alaska Airlines, making up 46% of the total bookings. Other popular airlines include United Airlines with 33% and American Airlines with 22%.

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
United Airlines	PriceFrom $348	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
American Airlines	PriceFrom $353	Free Cancellation	Rating 7.2 11,036 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $377	Free Cancellation	Rating 8.0 11,235 reviews	Search Alaska Airlines flights

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Playa Hermosa

Coco

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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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Cheap flights from Portland to Liberia from $157

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 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Find the cheapest flights from Portland to Liberia

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Alaska Airlines flights from Portland to Liberia

Our best Alaska Airlines deals on Portland to Liberia flight tickets

Delta flights from Portland to Liberia

Our best Delta deals on Portland to Liberia flight tickets

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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 January is another great option to travel to Liberia, with average flight prices from Portland averaging around $504.

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

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

How far in advance should I book a flight to Liberia?

Can stopping save me money on Portland to Liberia flights?

You could potentially save up to 5% 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 November 2025, prices for Portland to Liberia flights are approximately 15% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Portland to Liberia?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Portland to Liberia

What airlines fly to Liberia?

Which airport is the most popular layover for flights between Portland and Liberia?

Los Angeles (LAX) was the most common stop: 87% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to Liberia?

Flights via Dallas (DFW) offer the lowest average round-trip price of $493.

Which layover airport has the shortest travel time from Portland to Liberia?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 9h 10m.

Which layover airport has the shortest connection time from Portland to Liberia?

Miami (MIA) has the shortest average layover time for this route: 1h 55m.

When to book flights from Portland to Liberia

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

Direct flights

How far is Portland to Liberia by plane?

When did momondo last update prices for flights from Portland Airport to Liberia Airport?

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?

What documentation or ID do you need to fly to Liberia Airport?

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

Traveling to a place near Liberia?

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Liberia?

Can I find flights from Portland to Liberia with flexible booking policies on momondo?

How can momondo help me find flights from Portland to Liberia?

I’m not ready to book a flight from Portland to Liberia right now. Can momondo alert me if prices change?

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.

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