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, San José Province (one of the most popular routes), then the duration is 9h 13m on average. Another popular route from State of Washington to Liberia is flying from Bellingham to San José, San José Province, which will take roughly 11h 15m. Keep in mind that layovers or delays could extend your travel time.

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 33% of people opting to fly with this airline when traveling to Liberia. Keep in mind that there are 9 different airlines that fly to Liberia on a routine basis, so you have a few additional options to choose from.

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

American Airlines, United Airlines, and Alaska Airlines 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 August 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.

$136 Cheap Flights from Washington to Liberia in 2025

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Find the cheapest flights from Washington to Liberia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:35 pm - 6:20 amPDX-LIR

11h 45m1 stop

11:20 am - 8:30 pmLIR-PDX

10h 10m1 stop

$313Alaska Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

9:52 pm - 11:45 amPDX-LIR

12h 53m2 stops

12:45 pm - 9:59 amLIR-PDX

22h 14m2 stops

$317American Airlines

Find Deal

Mon, Oct 27 - Fri, Oct 31

9:30 pm - 6:20 amPDX-LIR

31h 50m1 stop

11:20 am - 8:30 pmLIR-PDX

10h 10m1 stop

$319Alaska Airlines

Find Deal

Sun, Sep 14 - Fri, Sep 19

7:35 pm - 12:10 pmPDX-LIR

15h 35m2 stops

1:20 pm - 9:28 amLIR-PDX

21h 08m2 stops

$328United Airlines

Find Deal

Mon, Sep 15 - Fri, Sep 19

11:55 pm - 12:10 pmPDX-LIR

11h 15m1 stop

1:20 pm - 10:45 pmLIR-PDX

10h 25m1 stop

$329United Airlines

Find Deal

Wed, Oct 22 - Wed, Oct 29

5:35 pm - 6:20 amPDX-LIR

11h 45m1 stop

11:20 am - 11:39 pmLIR-PDX

13h 19m1 stop

$333Alaska Airlines

Find Deal

Thu, Sep 4 - Thu, Sep 11

3:23 pm - 1:02 pmPDX-LIR

20h 39m2 stops

2:01 pm - 10:35 amLIR-PDX

21h 34m2 stops

$337American Airlines

Find Deal

Thu, Sep 4 - Thu, Sep 11

1:45 pm - 12:43 pmPDX-LIR

20h 58m2 stops

2:10 pm - 9:13 amLIR-PDX

21h 03m2 stops

$349Delta

Find Deal

Wed, Nov 12 - Wed, Nov 19

7:24 pm - 11:40 amGEG-LIR

15h 16m2 stops

2:05 pm - 12:01 pmLIR-GEG

23h 56m2 stops

$377Delta

Find Deal

Mon, Oct 27 - Tue, Nov 4

8:15 am - 1:50 pmSEA-LIR

27h 35m2 stops

2:50 pm - 2:26 pmLIR-SEA

25h 36m2 stops

$523Air Canada

Find Deal

Mon, Nov 24 - Tue, Dec 2

Alaska Airlines flights from State of Washington to Liberia

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

Alaska Airlines

Sep 10

PDX5:35 pmPortland

11h 45m

1 stop

LIR6:20 amLiberia

Sep 17

LIR11:20 amLiberia

10h 10m

1 stop

PDX8:30 pmPortland

$313

Find similar

Alaska Airlines

Sep 14

PDX9:30 pmPortland

31h 50m

1 stop

LIR6:20 amLiberia

Sep 19

LIR11:20 amLiberia

10h 10m

1 stop

PDX8:30 pmPortland

$319

Find similar

Alaska Airlines

Sep 4

PDX5:35 pmPortland

11h 45m

1 stop

LIR6:20 amLiberia

Sep 11

LIR11:20 amLiberia

13h 19m

1 stop

PDX11:39 pmPortland

$333

Find similar

American Airlines flights from State of Washington to Liberia

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

American Airlines

Oct 27

PDX9:52 pmPortland

12h 53m

2 stops

LIR11:45 amLiberia

Oct 31

LIR12:45 pmLiberia

22h 14m

2 stops

PDX9:59 amPortland

$317

Find similar

American Airlines

Sep 4

PDX3:23 pmPortland

20h 39m

2 stops

LIR1:02 pmLiberia

Sep 11

LIR2:01 pmLiberia

21h 34m

2 stops

PDX10:35 amPortland

$337

Find similar

American Airlines

Sep 4

PDX3:23 pmPortland

20h 39m

2 stops

LIR1:02 pmLiberia

Sep 11

LIR2:01 pmLiberia

28h 03m

1 stop

PDX5:04 pmPortland

$345

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 9/10

5:35 pm-6:20 am

1 stop11h 45m

Liberia

Wed 9/17

11:20 am-8:30 pm

1 stop10h 10m

$313

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 10/27

9:52 pm-11:45 am

2 stops12h 53m

Liberia

Fri 10/31

12:45 pm-9:59 am

2 stops22h 14m

$317

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 9/14

9:30 pm-6:20 am

1 stop31h 50m

Liberia

Fri 9/19

11:20 am-8:30 pm

1 stop10h 10m

$319

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 9/15

7:35 pm-12:10 pm

2 stops15h 35m

Liberia

Fri 9/19

1:20 pm-9:28 am

2 stops21h 08m

$328

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 10/22

11:55 pm-12:10 pm

1 stop11h 15m

Liberia

Wed 10/29

1:20 pm-10:45 pm

1 stop10h 25m

$329

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 9/4

5:35 pm-6:20 am

1 stop11h 45m

Liberia

Thu 9/11

11:20 am-11:39 pm

1 stop13h 19m

$333

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 9/4

3:23 pm-1:02 pm

2 stops20h 39m

Liberia

Thu 9/11

2:01 pm-10:35 am

2 stops21h 34m

$337

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 11/12

1:45 pm-12:43 pm

2 stops20h 58m

Liberia

Wed 11/19

2:10 pm-9:13 am

2 stops21h 03m

$349

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Mon 10/27

7:24 pm-11:40 am

2 stops15h 16m

Liberia

Tue 11/4

2:05 pm-12:01 pm

2 stops23h 56m

$377

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

Mon 11/24

8:15 am-1:50 pm

2 stops27h 35m

Liberia

Tue 12/2

2:50 pm-2:26 pm

2 stops25h 36m

$523

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Liberia?

The month of May is another great option to travel to Liberia, with average flight prices from State of Washington averaging around $622.

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 $2,586.

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 evening, with an average ticket price of $2,984. Departure times in the evening 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 $679 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 $596 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 15% 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	$136
Fastest flight time	6h 58m
Direct flights	Sun
Airports in Liberia	1 airport

The best one-way flight to Liberia from State of Washington in the past 72 hours is $136. The best round-trip flight deal from State of Washington to Liberia found on momondo in the last 72 hours is $313.

The fastest flight from State of Washington to Liberia takes 6h 58m

Direct flights go from State of Washington to Liberia on Sunday. The only airline offering direct flights is Alaska Airlines.

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 August 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 (75.00% of total bookings). The next most popular plane model is Boeing 737-900 Passenger/BBJ3 (winglets) (25.00%).

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
Alaska Airlines	PriceFrom $428	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $464	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
United Airlines	PriceFrom $523	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
American Airlines	PriceFrom $536	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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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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Cheap flights from Washington to Liberia from $136

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 9/20. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Washington to Liberia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Alaska Airlines flights from State of Washington to Liberia

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

American Airlines flights from State of Washington to Liberia

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

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See travel insights to Liberia from

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 May is another great option to travel to Liberia, with average flight prices from State of Washington averaging around $622.

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 15% 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?

American Airlines, United Airlines, and Alaska Airlines 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