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Saint Lucia

$250+ Cheap flights from Washington to Saint Lucia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap 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 April 24, 2025.

Round-trip from

$538
(Gotogate)

One-way from

$250
(Trip.com)

Popular in

June

Cheapest in

August

Average price

$1,252
From Washington to Saint Lucia
Search Deals
One-way flight from Washington to Saint Lucia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($257 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($88 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 24, 2025.

This Gotogate deal was found by Cheapflights users on 4/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/122:55 pmSEA - UVF
2 stops20h 20mAir Canada
Fri 6/203:10 pmUVF - SEA
2 stops24h 51mAir Canada
Deal found 4/23$538
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/122:55 pmSEA - UVF
2 stops20h 20mMultiple Airlines
Fri 6/203:10 pmUVF - SEA
3 stops25h 59mMultiple Airlines
Deal found 4/23$681
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 11/611:13 pmPDX - UVF
1 stop9h 47mAmerican Airlines
Mon 11/103:05 pmUVF - PDX
1 stop12h 02mAmerican Airlines
Deal found 4/22$727
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 12/111:10 pmSEA - UVF
1 stop9h 50mAmerican Airlines
Wed 12/105:05 pmUVF - SEA
1 stop22h 56mAmerican Airlines
Deal found 4/24$733
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/237:35 pmSEA - UVF
2 stops15h 10mWestJet
Thu 7/312:35 pmUVF - SEA
2 stops32h 53mWestJet
Deal found 4/23$743
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/711:40 amSEA - SLU
2 stops28h 20mMultiple Airlines
Sat 6/149:25 amSLU - SEA
2 stops28h 26mMultiple Airlines
Deal found 4/23$1,021
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 11/39:45 pmPDX - UVF
1 stop13h 32mDelta
Mon 11/104:35 pmUVF - PDX
2 stops20h 29mDelta
Deal found 4/23$1,037
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/181:45 pmPDX - UVF
2 stops45h 00mWestJet
Sun 7/272:35 pmUVF - PDX
2 stops49h 17mWestJet
Deal found 4/23$1,050
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:15 pmPDX - UVF
2 stops16h 52mUnited Airlines
Sat 11/151:52 pmUVF - PDX
3 stops24h 23mUnited Airlines
Deal found 4/23$1,106
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:26 pmSEA - UVF
1 stop10h 41mUnited Airlines
Sat 1/31:52 pmUVF - SEA
2 stops24h 07mUnited Airlines
Deal found 4/23$2,036
This Priceline deal was found by Cheapflights users on 4/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:40 amPDX - UVF
2 stops34h 08mMultiple Airlines
Mon 11/105:05 pmUVF - PDX
2 stops25h 39mMultiple Airlines
Deal found 4/23$2,623

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 April 24, 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

Thu 6/12

2:55 pm-2:15 pm

2 stops20h 20m

Castries Hewanorra

Fri 6/20

3:10 pm-1:01 pm

2 stops24h 51m

$538

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Thu 6/12

2:55 pm-2:15 pm

2 stops20h 20m

Castries Hewanorra

Fri 6/20

3:10 pm-2:09 pm

3 stops25h 59m

$681

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Wed 7/23

7:35 pm-1:45 pm

2 stops15h 10m

Castries Hewanorra

Thu 7/31

2:35 pm-8:28 pm

2 stops32h 53m

$743

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Thu 9/18

11:00 pm-1:43 pm

1 stop11h 43m

Castries Hewanorra

Mon 9/22

3:34 pm-12:33 am

1 stop11h 59m

$783

PortlandCastries

PDX - UVF

PDXUVF

Portland

Tue 5/6

6:07 pm-2:11 pm

2 stops17h 04m

Castries Hewanorra

Fri 5/9

3:14 pm-10:24 am

2 stops22h 10m

$902

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Sat 6/7

11:40 am-7:00 pm

2 stops28h 20m

Castries George F. L. Charle

Sat 6/14

9:25 am-10:51 am

2 stops28h 26m

$1,021

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 7/18

1:45 pm-1:45 pm

2 stops45h 00m

Castries Hewanorra

Sun 7/27

2:35 pm-12:52 pm

2 stops49h 17m

$1,050

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 6/13

2:12 pm-3:30 pm

1 stop22h 18m

Castries Hewanorra

Sat 6/21

12:55 pm-10:26 pm

1 stop12h 31m

$2,121

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 6/7

7:05 am-1:45 pm

2 stops27h 40m

$309

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 6/7

10:40 pm-1:49 pm

1 stop12h 09m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 12 results
1
2

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 $556). Flying from State of Washington to Saint Lucia in December is currently the most expensive (average of $730). 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 April 24, 2025.

When flying from State of Washington to Saint Lucia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated April 24, 2025.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,816 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from State of Washington to Saint Lucia one-way?

    The cheapest airlines for a one-way flight from State of Washington to Saint Lucia are WestJet ($250), JetBlue ($313), and Delta ($393).

  • 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 $556). Flying from State of Washington to Saint Lucia in December is currently the most expensive (average of $730). 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

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$525Average$761FlexibilityNo cancel feeOn-time71%

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