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Saint Lucia

$491+ Cheap flights from Washington to Saint Lucia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
1 adult, Economy
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Cheap flight deals from Washington to Saint Lucia

Cheapest flights from Washington to Saint Lucia
Explore the most affordable flight options available from Washington to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.

This Delta deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/113:47 pmSEA - UVF
1 stop19h 49mDelta
lun. 12/224:50 pmUVF - SEA
1 stop21h 41mDelta
Deal found 12/4$824
This American Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/111:47 pmSEA - UVF
1 stop21h 13mAmerican Airlines
lun. 12/223:53 pmUVF - SEA
2 stops22h 09mAmerican Airlines
Deal found 12/4$901
This Delta deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/193:47 pmSEA - UVF
1 stop17h 49mDelta
mié. 12/244:50 pmUVF - SEA
1 stop21h 41mDelta
Deal found 12/4$1,614
This American Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1912:43 pmSEA - UVF
1 stop20h 21mAmerican Airlines
mié. 12/244:54 pmUVF - SEA
2 stops24h 06mAmerican Airlines
Deal found 12/4$1,753
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2810:33 pmGEG - UVF
1 stop12h 57mDelta
mar. 1/64:25 pmUVF - GEG
2 stops31h 29mDelta
Deal found 12/2$1,866
This American Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:00 amSEA - UVF
2 stops29h 54mAmerican Airlines
sáb. 1/34:54 pmUVF - SEA
1 stop22h 36mAmerican Airlines
Deal found 12/2$2,532
This American Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/287:42 pmGEG - UVF
2 stops16h 12mMultiple Airlines
mar. 1/65:02 pmUVF - GEG
2 stops29h 47mMultiple Airlines
Deal found 12/2$2,578
This American Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:02 pmSEA - UVF
2 stops17h 52mAmerican Airlines
sáb. 1/34:54 pmUVF - SEA
2 stops28h 15mAmerican Airlines
Deal found 12/2$2,718
This American Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2810:13 pmSEA - UVF
2 stops37h 41mAmerican Airlines
sáb. 1/32:04 pmUVF - SEA
1 stop13h 38mAmerican Airlines
Deal found 12/2$2,868
This American Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2411:49 amSEA - UVF
2 stops45h 15mAmerican Airlines
sáb. 1/32:04 pmUVF - SEA
1 stop13h 38mAmerican Airlines
Deal found 12/2$2,920

Find flight deals from Washington to Saint Lucia

Keep the following information in mind while searching for Washington to Saint Lucia flight deals. Data was last updated diciembre 4, 2025.

Round-trip from

$491
(Delta)
From Washington to Saint Lucia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Saint Lucia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 4, 2025.
Use the filters below to find and compare flights from Washington to Saint Lucia that are best for you.

Fly from

Washington

Fly to

Saint Lucia

Route

Depart

Return

Price

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

lun. 1/19

9:45 pm-3:03 pm

1 stop13h 18m

Castries Hewanorra

lun. 1/26

2:46 pm-11:42 pm

1 stop12h 56m

$491

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

dom. 1/18

4:05 pm-3:05 pm

1 stop19h 00m

Castries Hewanorra

mié. 1/21

4:25 pm-10:07 am

1 stop21h 42m

$491

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

dom. 1/18

4:05 pm-3:05 pm

1 stop19h 00m

Castries Hewanorra

jue. 1/29

4:25 pm-10:07 am

1 stop21h 42m

$491

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

dom. 1/18

6:00 pm-1:46 pm

2 stops15h 46m

Castries Hewanorra

mié. 1/21

5:02 pm-11:45 am

2 stops22h 43m

$496

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

dom. 1/18

11:11 pm-1:46 pm

1 stop10h 35m

Castries Hewanorra

jue. 1/29

5:02 pm-11:01 am

2 stops21h 59m

$496

PortlandCastries

PDX - UVF

PDXUVF

Portland

sáb. 1/17

7:00 pm-4:25 pm

2 stops41h 25m

Castries Hewanorra

mié. 1/21

5:15 pm-2:40 pm

2 stops25h 25m

$601

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

sáb. 1/17

11:11 pm-1:46 pm

1 stop10h 35m

Castries Hewanorra

sáb. 1/24

5:02 pm-9:37 am

2 stops20h 35m

$672

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

lun. 1/19

8:00 pm-4:20 pm

2 stops40h 20m

Castries Hewanorra

lun. 1/26

5:15 pm-10:06 pm

3 stops32h 51m

$702

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

mié. 3/4

3:10 pm-4:00 pm

2 stops20h 50m

Castries Hewanorra

jue. 3/12

3:18 pm-11:45 am

2 stops23h 27m

$737

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

dom. 1/18

3:02 pm-1:46 pm

2 stops18h 44m

Castries Hewanorra

dom. 1/25

5:02 pm-6:49 pm

2 stops29h 47m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 16 results
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Best time to book a flight from Washington to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Saint Lucia

What is the cheapest month to book a flight from State of Washington to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Saint Lucia (average of $420). Flying from State of Washington to Saint Lucia in June is currently the most expensive (average of $1,489). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to LC?

Find hourly flight availability from Washington to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 4, 2025.

One of the essential ways to save on airfare from State of Washington to Saint Lucia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 57% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Washington to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from State of Washington to Saint Lucia will take you 13h 18m. The distance between State of Washington and Saint Lucia is about 4189 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Washington to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Washington to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Saint Lucia.

  • Can I find deals for business class flights from Washington to Saint Lucia?

    Yes. Cheapflights offers flight deals from Washington to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Saint Lucia (average of $420). Flying from State of Washington to Saint Lucia in June is currently the most expensive (average of $1,489). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Washington to Saint Lucia

Discover the top airline that operate flights from Washington to Saint Lucia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$615Average$891FlexibilityNo cancel feeOn-time71%

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