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Saint Lucia

$289+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap flight deals from Washington to Saint Lucia

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Saint Lucia (LC0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Round-trip from

$634
(Gotogate)

One-way from

$289
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$949
From Washington to Saint Lucia
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One-way flight from Washington to Saint Lucia
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Highest demand for flights based on searches. 19% potential increase in price ($231 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in January 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 enero 30, 2025.

This Gotogate deal was found by Cheapflights users on 1/30. 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.
dom. 3/166:05 amSEA - UVF
1 stop29h 40mAir Canada
dom. 3/233:45 pmUVF - SEA
1 stop32h 45mAir Canada
Deal found 1/30$634
This WestJet deal was found by Cheapflights users on 1/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/43:15 pmSEA - UVF
2 stops43h 29mWestJet
mar. 3/112:40 pmUVF - SEA
2 stops26h 41mWestJet
Deal found 1/30$658
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/223:15 pmSEA - UVF
2 stops43h 29mMultiple Airlines
mar. 5/63:05 pmUVF - SEA
2 stops24h 53mMultiple Airlines
Deal found 1/30$682
This American Airlines deal was found by Cheapflights users on 1/30. 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. 11/311:13 pmPDX - UVF
1 stop9h 47mAmerican Airlines
lun. 11/103:05 pmUVF - PDX
1 stop12h 02mAmerican Airlines
Deal found 1/30$692
This American Airlines deal was found by Cheapflights users on 1/30. 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. 3/410:21 pmSEA - UVF
1 stop12h 58mAmerican Airlines
mar. 3/113:10 pmUVF - SEA
1 stop24h 40mAmerican Airlines
Deal found 1/30$699
This Air Canada deal was found by Cheapflights users on 1/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/126:00 amPDX - UVF
2 stops53h 45mAir Canada
lun. 4/213:45 pmUVF - PDX
2 stops35h 45mAir Canada
Deal found 1/30$743
This American Airlines deal was found by Cheapflights users on 1/30. 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. 4/93:21 pmGEG - UVF
2 stops20h 07mAmerican Airlines
jue. 4/172:45 pmUVF - GEG
2 stops25h 53mAmerican Airlines
Deal found 1/30$775
This United Airlines deal was found by Cheapflights users on 1/30. 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.
vie. 10/36:30 amSEA - UVF
2 stops28h 01mUnited Airlines
sáb. 10/112:35 pmUVF - SEA
2 stops22h 18mUnited Airlines
Deal found 1/30$826
This Delta deal was found by Cheapflights users on 1/30. 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.
mié. 5/145:10 pmSEA - UVF
1 stop17h 58mDelta
mié. 5/213:47 pmUVF - SEA
1 stop33h 38mDelta
Deal found 1/30$1,095
This Mytrip deal was found by Cheapflights users on 1/29. 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.
vie. 11/73:20 pmSEA - SLU
3 stops23h 40mMultiple Airlines
dom. 11/165:00 amSLU - SEA
3 stops30h 54mMultiple Airlines
Deal found 1/29$1,715
This WestJet deal was found by Cheapflights users on 1/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/1112:59 amPDX - UVF
2 stops33h 45mWestJet
dom. 4/202:40 pmUVF - PDX
2 stops29h 51mWestJet
Deal found 1/30$3,644
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/87:25 pmPDX - UVF
1 stop40h 40mMultiple Airlines
mié. 4/163:45 pmUVF - PDX
2 stops26h 00mMultiple Airlines
Deal found 1/30$12,647

Find flights from Washington to Saint Lucia within your budget

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 enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

dom. 3/16

6:05 am-2:45 pm

1 stop29h 40m

Castries Hewanorra

dom. 3/23

3:45 pm-9:30 pm

1 stop32h 45m

$634

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

mar. 3/4

3:15 pm-2:44 pm

2 stops43h 29m

Castries Hewanorra

mar. 3/11

2:40 pm-2:21 pm

2 stops26h 41m

$658

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

mar. 4/22

3:15 pm-1:44 pm

2 stops43h 29m

Castries Hewanorra

mar. 5/6

3:05 pm-12:58 pm

2 stops24h 53m

$682

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

mar. 3/4

10:21 pm-3:19 pm

1 stop12h 58m

Castries Hewanorra

mar. 3/11

3:10 pm-12:50 pm

1 stop24h 40m

$699

PortlandCastries

PDX - UVF

PDXUVF

Portland

mar. 2/25

3:25 pm-3:45 pm

2 stops20h 20m

Castries Hewanorra

mar. 3/4

4:45 pm-12:50 am

2 stops36h 05m

$722

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

mié. 4/9

3:21 pm-2:28 pm

2 stops20h 07m

Castries Hewanorra

jue. 4/17

2:45 pm-1:38 pm

2 stops25h 53m

$775

PortlandCastries

PDX - UVF

PDXUVF

Portland

mar. 2/25

10:01 pm-3:19 pm

1 stop13h 18m

Castries Hewanorra

mar. 3/4

3:35 pm-1:14 pm

2 stops25h 39m

$792

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

vie. 5/9

11:59 pm-3:30 pm

1 stop12h 31m

Castries Hewanorra

sáb. 5/17

12:55 pm-10:42 pm

1 stop12h 47m

$1,064

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

mié. 5/14

5:10 pm-2:08 pm

1 stop17h 58m

Castries Hewanorra

mié. 5/21

3:47 pm-10:25 pm

1 stop33h 38m

$1,095

PortlandCastries

PDX - UVF

PDXUVF

Portland

vie. 4/11

12:59 am-1:44 pm

2 stops33h 45m

Castries Hewanorra

dom. 4/20

2:40 pm-5:31 pm

2 stops29h 51m

$3,644

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 14 results
1
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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.

Travel insights for flights from Washington to Saint Lucia

Get recent, data-driven insights about flights from Washington to Saint Lucia including ideal travel times, pricing trends, and more.

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 enero 30, 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 enero 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Washington to Saint Lucia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
8,906 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
2,817 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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.

Air Canada
7.0
Good
8,641 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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.

  • 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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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 2 airlines flying from Washington to Saint Lucia

Discover the top 2 airlines 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 enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$407Average$597FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$529Average$802FlexibilityNo cancel feeOn-time71%
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