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Saint Lucia

$261+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$648
(Booking.com)

One-way from

$261
(Kiwi.com)

Popular in

June

Cheapest in

August
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).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($88 potential savings vs. average RT price).
Search Deals

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 May 1, 2025.

This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com 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 4/29$611
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Fri 6/132:55 pmSEA - UVF
3 stops43h 50mMultiple Airlines
Fri 6/203:10 pmUVF - SEA
1 stop22h 41mMultiple Airlines
Deal found 4/28$678
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 10/19:45 pmPDX - UVF
1 stop13h 38mDelta
Fri 10/103:32 pmUVF - PDX
2 stops20h 32mDelta
Deal found 4/30$682
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 11/611:13 pmPDX - UVF
1 stop9h 47mAmerican Airlines
Mon 11/103:05 pmUVF - PDX
1 stop12h 02mAmerican Airlines
Deal found 4/30$727
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 12/111:10 pmSEA - UVF
1 stop11h 50mAmerican Airlines
Wed 12/105:05 pmUVF - SEA
1 stop22h 56mAmerican Airlines
Deal found 4/30$733
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 11/74:05 pmPDX - UVF
2 stops17h 02mUnited Airlines
Sat 11/151:52 pmUVF - PDX
3 stops24h 23mUnited Airlines
Deal found 4/30$1,010
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1211:59 pmSEA - SLU
3 stops34h 11mMultiple Airlines
Fri 6/2012:15 pmSLU - SEA
3 stops31h 59mMultiple Airlines
Deal found 4/30$1,018
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/33:21 pmGEG - UVF
2 stops19h 24mAmerican Airlines
Mon 5/53:14 pmUVF - GEG
2 stops25h 23mAmerican Airlines
Deal found 4/29$1,117
This WestJet deal was found by Cheapflights users on 4/30. 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.
Fri 7/181:45 pmPDX - UVF
2 stops45h 00mWestJet
Sun 7/272:35 pmUVF - PDX
2 stops25h 17mWestJet
Deal found 4/30$1,162

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 May 1, 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

$611

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Fri 6/13

2:55 pm-1:45 pm

3 stops43h 50m

Castries Hewanorra

Fri 6/20

3:10 pm-10:51 am

1 stop22h 41m

$678

PortlandCastries

PDX - UVF

PDXUVF

Portland

Wed 10/1

5:10 pm-2:23 pm

2 stops18h 13m

Castries Hewanorra

Fri 10/10

3:32 pm-9:04 am

2 stops20h 32m

$682

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 7/29

9:41 pm-2:20 pm

1 stop13h 39m

Castries Hewanorra

Fri 8/8

3:15 pm-9:19 am

2 stops21h 04m

$738

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Thu 6/12

11:59 pm-1:10 pm

3 stops34h 11m

Castries George F. L. Charle

Fri 6/20

12:15 pm-5:14 pm

3 stops31h 59m

$1,018

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 stops25h 17m

$1,162

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 7/18

9:50 pm-2:20 pm

1 stop13h 30m

Castries Hewanorra

Sun 7/27

3:20 pm-9:49 am

2 stops21h 29m

$1,357

PortlandCastries

PDX - UVF

PDXUVF

Portland

Wed 8/20

1:45 pm-1:45 pm

3 stops21h 00m

$261

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 6/14

11:10 pm-2:10 pm

1 stop12h 00m

$276

PortlandCastries

PDX - UVF

PDXUVF

Portland

Sat 8/16

1:19 pm-1:45 pm

3 stops21h 26m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 14 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 May 1, 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
9,245 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 ($261), Air Canada ($273), and JetBlue ($276).

  • 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

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$525Average$761FlexibilityNo cancel feeOn-time71%

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