What airlines fly to Liberia?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Liberia from State of Washington according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Liberia. Keep in mind that there are 8 different airlines that fly to Liberia on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Liberia?

Flight times from State of Washington to Liberia vary, but if you’re flying out of Seattle and flying into San José (one of the most popular routes), then the duration is 11h 06m on average. Another popular route from State of Washington to Liberia is flying from Pasco to San José, which will take roughly 15h 14m. Keep in mind that layovers or delays could extend your travel time.

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

Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Washington to Liberia

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

Prices for flights from Washington to Liberia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Liberia Airport?

As of November 2025, there are 4 operators available to choose from for flights from Washington to Liberia Airport.

How old do you have to be to fly from Washington 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 Washington 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.

$155 Cheap Flights from Washington to Liberia in 2025/26

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Cheap round-trip flights

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5:30 pm - 6:45 amPDX-LIR

11h 15m1 stop

10:00 am - 8:35 pmLIR-PDX

11h 35m1 stop

$343Alaska Airlines

Find Deal

lun, mar 2 - mar, mar 10

10:35 am - 6:45 amPDX-LIR

18h 10m1 stop

10:00 am - 11:59 pmLIR-PDX

14h 59m1 stop

$345Alaska Airlines

Find Deal

dom, mar 1 - mar, mar 10

10:24 am - 1:50 pmPDX-LIR

25h 26m2 stops

3:05 pm - 4:30 pmLIR-PDX

27h 25m2 stops

$349Delta

Find Deal

lun, gen 12 - mer, gen 21

1:39 pm - 1:24 pmPDX-LIR

21h 45m2 stops

3:05 pm - 9:29 amLIR-PDX

20h 24m2 stops

$363Delta

Find Deal

sab, gen 10 - gio, gen 22

1:28 pm - 1:36 pmPDX-LIR

22h 08m1 stop

1:21 pm - 12:59 amLIR-PDX

13h 38m1 stop

$368American Airlines

Find Deal

ven, dic 12 - gio, dic 18

6:00 am - 6:20 amSEA-LIR

22h 20m1 stop

3:20 pm - 2:20 pmLIR-SEA

25h 00m2 stops

$413Multiple Airlines

Find Deal

lun, gen 5 - mer, gen 14

7:47 pm - 1:10 pmPDX-LIR

15h 23m2 stops

8:35 am - 9:12 pmLIR-PDX

14h 37m2 stops

$416United Airlines

Find Deal

mar, gen 6 - lun, gen 12

3:50 pm - 1:10 pmPDX-LIR

20h 20m2 stops

2:55 pm - 4:27 pmLIR-PDX

26h 32m2 stops

$425American Airlines

Find Deal

lun, mar 9 - mer, mar 11

6:00 am - 6:20 amSEA-LIR

22h 20m1 stop

3:20 pm - 2:20 pmLIR-SEA

25h 00m2 stops

$426Multiple Airlines

Find Deal

sab, gen 3 - mar, gen 13

7:00 am - 6:37 pmPDX-LIR

9h 37m1 stop

2:20 pm - 10:59 pmLIR-PDX

10h 39m1 stop

$436United Airlines

Find Deal

lun, dic 1 - mar, dic 23

American Airlines flights from State of Washington to Liberia

Our best American Airlines deals on State of Washington to Liberia flight tickets

American Airlines

Dec 12

PDX1:28 pmPortland

22h 08m

1 stop

LIR1:36 pmLiberia

Dec 18

LIR1:21 pmLiberia

13h 38m

1 stop

PDX12:59 amPortland

$368

Find similar

American Airlines

Nov 15

PDX10:45 pmPortland

11h 33m

1 stop

LIR12:18 pmLiberia

Nov 22

LIR3:13 pmLiberia

11h 17m

1 stop

PDX12:30 amPortland

$403

Find similar

American Airlines

Nov 15

PDX10:15 pmPortland

12h 03m

2 stops

LIR12:18 pmLiberia

Nov 22

LIR1:19 pmLiberia

13h 11m

1 stop

PDX12:30 amPortland

$407

Find similar

Alaska Airlines flights from State of Washington to Liberia

Our best Alaska Airlines deals on State of Washington to Liberia flight tickets

Alaska Airlines

Mar 2

PDX5:30 pmPortland

11h 15m

1 stop

LIR6:45 amLiberia

Mar 10

LIR10:00 amLiberia

11h 35m

1 stop

PDX8:35 pmPortland

$343

Find similar

Alaska Airlines

Mar 1

PDX10:35 amPortland

18h 10m

1 stop

LIR6:45 amLiberia

Mar 10

LIR10:00 amLiberia

14h 59m

1 stop

PDX11:59 pmPortland

$345

Find similar

Alaska Airlines

Dec 5

PDX9:30 pmPortland

18h 37m

1 stop

LIR6:07 pmLiberia

Dec 13

LIR7:17 pmLiberia

16h 19m

1 stop

PDX9:36 amPortland

$351

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLiberia

PDX - LIR

PDXLIR

Portland

lun 3/2

5:30 pm-6:45 am

1 stop11h 15m

Liberia

mar 3/10

10:00 am-8:35 pm

1 stop11h 35m

$343

PortlandLiberia

PDX - LIR

PDXLIR

Portland

dom 3/1

10:35 am-6:45 am

1 stop18h 10m

Liberia

mar 3/10

10:00 am-11:59 pm

1 stop14h 59m

$345

PortlandLiberia

PDX - LIR

PDXLIR

Portland

lun 1/12

10:24 am-1:50 pm

2 stops25h 26m

Liberia

mer 1/21

3:05 pm-4:30 pm

2 stops27h 25m

$349

PortlandLiberia

PDX - LIR

PDXLIR

Portland

sab 1/10

1:39 pm-1:24 pm

2 stops21h 45m

Liberia

gio 1/22

3:05 pm-9:29 am

2 stops20h 24m

$363

PortlandLiberia

PDX - LIR

PDXLIR

Portland

ven 12/12

1:28 pm-1:36 pm

1 stop22h 08m

Liberia

gio 12/18

1:21 pm-12:59 am

1 stop13h 38m

$368

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

lun 1/5

6:00 am-6:20 am

1 stop22h 20m

Liberia

mer 1/14

3:20 pm-2:20 pm

2 stops25h 00m

$413

PortlandLiberia

PDX - LIR

PDXLIR

Portland

mar 1/6

7:47 pm-1:10 pm

2 stops15h 23m

Liberia

lun 1/12

8:35 am-9:12 pm

2 stops14h 37m

$416

PortlandLiberia

PDX - LIR

PDXLIR

Portland

lun 3/9

3:50 pm-1:10 pm

2 stops20h 20m

Liberia

mer 3/11

2:55 pm-4:27 pm

2 stops26h 32m

$425

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

sab 1/3

6:00 am-6:20 am

1 stop22h 20m

Liberia

mar 1/13

3:20 pm-2:20 pm

2 stops25h 00m

$426

PortlandLiberia

PDX - LIR

PDXLIR

Portland

lun 12/1

7:00 am-6:37 pm

1 stop9h 37m

Liberia

mar 12/23

2:20 pm-10:59 pm

1 stop10h 39m

$436

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Other information

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 State of Washington averaging around $569.

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

On average, the least expensive day to fly to Liberia from State of Washington is on a Monday. momondo users have found tickets for Monday departures for as low as $552. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Liberia for around $2,984.

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 State of Washington to Liberia when you can find flight prices for as low as $466. 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 $871. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington to Liberia flight route?

Fly from Seattle/Tacoma Intl to Liberia for the best Washington - Liberia flight prices

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

You are more likely to see cheaper flights to Liberia from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Liberia for around $650 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Liberia from State of Washington for as low as $605 on momondo.

What cabin class options are available on Washington to Liberia flights?

There are 3 cabin classes available to choose from on Washington to Liberia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Liberia flights?

You could potentially save up to 32% on your flight if you consider stops on a State of Washington to Liberia flight.

Cheap State of Washington to Liberia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Liberia

Best Price Found	$1,397
Fastest flight time	6h 56m
Direct flights	Sun
Airports in Liberia	1 airport

The best flight deal from State of Washington to Liberia found on momondo in the last 72 hours is $1,397

The fastest flight from State of Washington to Liberia takes 6h 56m

Direct flights go from State of Washington to Liberia on Sunday. There are no airlines offering direct flights.

There is 1 airport near Liberia: Liberia (LIR)

Search flight deals

When did momondo last update prices for flights from Washington to Liberia Airport?
Prices for flights from Washington to Liberia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Liberia Airport?
As of November 2025, there are 4 operators available to choose from for flights from Washington to Liberia Airport.
How old do you have to be to fly from Washington 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 Washington 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 plane model from State of Washington to Liberia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from State of Washington to Liberia is Boeing 737 MAX 8 (66.67% of total bookings). The next most popular plane model is Boeing 737-900 Passenger/BBJ3 (winglets) (33.33%).

Best airlines flying from State of Washington to Liberia

Compare and see reviews for airlines that fly from State of Washington to Liberia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $356	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $433	Free Cancellation	Rating 8.0 11,247 reviews	Search Alaska Airlines flights
Delta	PriceFrom $464	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights

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Playa Hermosa

Coco

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Liberia from Washington.

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

Yes. All flights to Liberia from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington 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 Washington.

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

Yes momondo offers price alerts on flights to Liberia from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.

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dom 12/7

dom 12/14

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Cheap flights from Washington to Liberia from $155

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Liberia departing on 12/5. 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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American Airlines flights from State of Washington to Liberia

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Our best Alaska Airlines deals on State of Washington to Liberia flight tickets

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How to get the cheapest flight ticket from State of Washington 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 September is another great option to travel to Liberia, with average flight prices from State of Washington averaging around $569.

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?

What is the cheapest Washington to Liberia flight route?

Fly from Seattle/Tacoma Intl to Liberia for the best Washington - Liberia flight prices

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

What cabin class options are available on Washington to Liberia flights?

There are 3 cabin classes available to choose from on Washington to Liberia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Liberia flights?

You could potentially save up to 32% on your flight if you consider stops on a State of Washington to Liberia flight.

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

Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Washington to Liberia

What airlines fly to Liberia?

How long does it take to fly to Liberia?

Cheap State of Washington to Liberia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Liberia

Best Price Found

Fastest flight time

Direct flights

Airports in Liberia

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

How many operators does momondo search for flights from Washington to Liberia Airport?

How old do you have to be to fly from Washington to Liberia Airport?

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

What is the most popular plane model from State of Washington to Liberia?

Best airlines flying from State of Washington to Liberia

Compare and see reviews for airlines that fly from State of Washington to Liberia with momondo

Traveling to a place near Liberia?

Why use momondo?

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

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

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

I’m not ready to book a flight from Washington 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.

Find better results for your trip to Costa Rica

Airports servicing Costa Rica