How long is the flight from State of Washington to Saint Lucia?

The flight from State of Washington to Saint Lucia depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to Castries (the most popular airport in Saint Lucia), then the flight time is 11h 16m on average. If you fly from Spokane (another popular airport in State of Washington) to Castries, then the average flight time is 28h 45m.

What is the cheapest airline that flies from Washington to Saint Lucia?

American Airlines and Delta are the most popular carriers operating from Washington to Saint Lucia

When did momondo last update prices for flights from Washington to Saint Lucia?

Prices for flights from Washington to Saint Lucia were last updated today.

How many operators does momondo search for flights from Washington to Saint Lucia?

As of August 2025, there is 1 operator available to choose from for flights from Washington to Saint Lucia.

How old do you have to be to fly from Washington to Saint Lucia?

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 Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The travel and health documents you'll need for your trip to Saint Lucia 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 Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$511 Cheap Flights from Washington to Saint Lucia in 2025

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Find the cheapest flights from Washington to Saint Lucia

Round-trip

One-way

Last minute

Cheap round-trip flights

10:57 pm - 2:30 pmSEA-UVF

11h 33m1 stop

5:10 pm - 11:56 amUVF-SEA

22h 46m1 stop

$525American Airlines

Find Deal

Sun, Jan 18 - Thu, Jan 29

1:56 pm - 2:25 pmSEA-UVF

20h 29m1 stop

3:35 pm - 9:36 amUVF-SEA

22h 01m2 stops

$530American Airlines

Find Deal

Sun, Jan 18 - Thu, Jan 29

6:22 pm - 2:25 pmSEA-UVF

16h 03m2 stops

4:50 pm - 11:56 amUVF-SEA

23h 06m2 stops

$535American Airlines

Find Deal

Tue, Feb 3 - Sun, Feb 8

8:00 pm - 4:25 pmSEA-UVF

40h 25m2 stops

5:15 pm - 9:56 pmUVF-SEA

32h 41m1 stop

$614Air Canada

Find Deal

Mon, Dec 1 - Wed, Dec 10

8:15 am - 4:25 pmSEA-UVF

28h 10m1 stop

5:15 pm - 9:56 pmUVF-SEA

32h 41m1 stop

$652Air Canada

Find Deal

Tue, Dec 9 - Sun, Dec 14

1:45 pm - 1:44 pmPDX-UVF

44h 59m2 stops

3:10 pm - 2:46 pmUVF-PDX

26h 36m2 stops

$664

Find Deal

Fri, Sep 12 - Tue, Sep 16

11:59 pm - 2:15 pmSEA-UVF

11h 16m1 stop

2:06 pm - 10:20 pmUVF-SEA

35h 14m1 stop

$709JetBlue

Find Deal

Sat, Sep 27 - Sat, Oct 4

10:05 pm - 2:23 pmPDX-UVF

13h 18m1 stop

3:38 pm - 10:32 amUVF-PDX

21h 54m1 stop

$717Delta

Find Deal

Mon, Sep 15 - Wed, Sep 24

5:01 pm - 2:23 pmPDX-UVF

18h 22m2 stops

3:38 pm - 3:51 pmUVF-PDX

27h 13m2 stops

$722Delta

Find Deal

Mon, Sep 15 - Wed, Sep 24

1:45 pm - 1:44 pmPDX-UVF

44h 59m3 stops

3:10 pm - 2:46 pmUVF-PDX

26h 36m2 stops

$744

Find Deal

Fri, Sep 12 - Tue, Sep 16

Delta flights from State of Washington to Saint Lucia

Our best Delta deals on State of Washington to Saint Lucia flight tickets

Delta

Sep 15

PDX10:05 pmPortland

13h 18m

1 stop

UVF2:23 pmCastries Hewanorra

Sep 24

UVF3:38 pmCastries Hewanorra

21h 54m

1 stop

PDX10:32 amPortland

$717

Find similar

Delta

Sep 15

PDX5:01 pmPortland

18h 22m

2 stops

UVF2:23 pmCastries Hewanorra

Sep 24

UVF3:38 pmCastries Hewanorra

27h 13m

2 stops

PDX3:51 pmPortland

$722

Find similar

Delta

Jan 2

PDX5:10 pmPortland

16h 28m

2 stops

UVF1:38 pmCastries Hewanorra

Jan 8

UVF4:24 pmCastries Hewanorra

22h 41m

1 stop

PDX11:05 amPortland

$727

Find similar

American Airlines flights from State of Washington to Saint Lucia

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

American Airlines

Jan 18

SEA10:57 pmSeattle/Tacoma Intl

11h 33m

1 stop

UVF2:30 pmCastries Hewanorra

Jan 29

UVF5:10 pmCastries Hewanorra

22h 46m

1 stop

SEA11:56 amSeattle/Tacoma Intl

$525

Find similar

American Airlines

Jan 18

SEA1:56 pmSeattle/Tacoma Intl

20h 29m

1 stop

UVF2:25 pmCastries Hewanorra

Jan 29

UVF3:35 pmCastries Hewanorra

22h 01m

2 stops

SEA9:36 amSeattle/Tacoma Intl

$530

Find similar

American Airlines

Feb 3

SEA6:22 pmSeattle/Tacoma Intl

16h 03m

2 stops

UVF2:25 pmCastries Hewanorra

Feb 8

UVF4:50 pmCastries Hewanorra

23h 06m

2 stops

SEA11:56 amSeattle/Tacoma Intl

$535

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sun 1/18

10:57 pm-2:30 pm

1 stop11h 33m

Castries Hewanorra

Thu 1/29

5:10 pm-11:56 am

1 stop22h 46m

$525

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sun 1/18

1:56 pm-2:25 pm

1 stop20h 29m

Castries Hewanorra

Thu 1/29

3:35 pm-9:36 am

2 stops22h 01m

$530

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 2/3

6:22 pm-2:25 pm

2 stops16h 03m

Castries Hewanorra

Sun 2/8

4:50 pm-11:56 am

2 stops23h 06m

$535

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Mon 12/1

8:00 pm-4:25 pm

2 stops40h 25m

Castries Hewanorra

Wed 12/10

5:15 pm-9:56 pm

1 stop32h 41m

$614

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 12/9

8:15 am-4:25 pm

1 stop28h 10m

Castries Hewanorra

Sun 12/14

5:15 pm-9:56 pm

1 stop32h 41m

$652

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 9/12

1:45 pm-1:44 pm

2 stops44h 59m

Castries Hewanorra

Tue 9/16

3:10 pm-2:46 pm

2 stops26h 36m

$664

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 9/27

11:59 pm-2:15 pm

1 stop11h 16m

Castries Hewanorra

Sat 10/4

2:06 pm-10:20 pm

1 stop35h 14m

$709

PortlandCastries

PDX - UVF

PDXUVF

Portland

Mon 9/15

10:05 pm-2:23 pm

1 stop13h 18m

Castries Hewanorra

Wed 9/24

3:38 pm-10:32 am

1 stop21h 54m

$717

PortlandCastries

PDX - UVF

PDXUVF

Portland

Mon 9/15

5:01 pm-2:23 pm

2 stops18h 22m

Castries Hewanorra

Wed 9/24

3:38 pm-3:51 pm

2 stops27h 13m

$722

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 9/12

1:45 pm-1:44 pm

3 stops44h 59m

Castries Hewanorra

Tue 9/16

3:10 pm-2:46 pm

2 stops26h 36m

$744

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Saint Lucia

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 day to depart on your flight to Saint Lucia?

Our data shows that Tuesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $590. On the other hand, Sunday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $924.

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

You could potentially save up to 36% on your flight if you consider stops on a State of Washington to Saint Lucia flight.

Cheap State of Washington to Saint Lucia flight deals and tips

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

Best Price Found	$511
Fastest flight time	10h 05m
Direct flights	None
Airports in Saint Lucia	1 airport

The best one-way flight to Saint Lucia from State of Washington in the past 72 hours is $511. The best round-trip flight deal from State of Washington to Saint Lucia found on momondo in the last 72 hours is $525.

The fastest flight from State of Washington to Saint Lucia takes 10h 05m

There are no direct flights from State of Washington to Saint Lucia. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Castries Hewanorra Airport, Spokane Airport - Castries Hewanorra Airport and Portland Airport - Castries Hewanorra Airport.

There is 1 airport near Saint Lucia: Castries Hewanorra (UVF)

Search flight deals

When did momondo last update prices for flights from Washington to Saint Lucia?
Prices for flights from Washington to Saint Lucia were last updated today.
How many operators does momondo search for flights from Washington to Saint Lucia?
As of August 2025, there is 1 operator available to choose from for flights from Washington to Saint Lucia.
How old do you have to be to fly from Washington to Saint Lucia?
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 Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents you'll need for your trip to Saint Lucia 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 Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Saint Lucia

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $572	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Washington to Saint Lucia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.

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

momondo does allow users to show only those flights to Saint Lucia from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Saint Lucia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Saint Lucia.

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

Price alerts on flights to Saint Lucia from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Saint Lucia trip

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Flights to Castriesfrom $458

Cheap flights from Washington to Saint Lucia from $511

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 Saint Lucia departing on 12/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Price Alerts

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Find the cheapest flights from Washington to Saint Lucia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from State of Washington to Saint Lucia

Our best Delta deals on State of Washington to Saint Lucia flight tickets

American Airlines flights from State of Washington to Saint Lucia

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Saint Lucia that are best for you.

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from State of Washington to Saint Lucia

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 day to depart on your flight to Saint Lucia?

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

You could potentially save up to 36% on your flight if you consider stops on a State of Washington to Saint Lucia flight.

What is the cheapest airline that flies from Washington to Saint Lucia?

American Airlines and Delta are the most popular carriers operating from Washington to Saint Lucia

How long is the flight from State of Washington to Saint Lucia?

Cheap State of Washington to Saint Lucia flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Saint Lucia

When did momondo last update prices for flights from Washington to Saint Lucia?

How many operators does momondo search for flights from Washington to Saint Lucia?

How old do you have to be to fly from Washington to Saint Lucia?

What documentation or ID do you need to fly to Saint Lucia?

Best airlines flying from State of Washington to Saint Lucia

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

Why use momondo?

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

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

How can momondo help me find flights from Washington to Saint Lucia?

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

An easier way to manage your Saint Lucia 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 Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo