Saint Lucia

$551+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
Jun 22 — Jun 291
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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 June 17, 2025.

Round-trip from

$551
(Air Canada)
From Washington to Saint Lucia

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 June 17, 2025.

This Air Canada deal was found by Cheapflights users on 6/14. 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.
Sun 9/217:40 pmPDX - UVF
2 stops39h 35mAir Canada
Fri 9/263:10 pmUVF - PDX
2 stops30h 36mAir Canada
Deal found 6/14$551
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Sat 9/201:45 pmPDX - UVF
2 stops20h 59mMultiple Airlines
Fri 9/263:10 pmUVF - PDX
2 stops26h 36mMultiple Airlines
Deal found 6/14$597
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Fri 9/191:45 pmPDX - UVF
2 stops44h 59mWestJet
Sun 9/282:35 pmUVF - PDX
2 stops25h 13mWestJet
Deal found 6/14$636
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Mon 12/110:00 amSEA - UVF
2 stops26h 00mAir Canada
Wed 12/105:05 pmUVF - SEA
2 stops25h 21mAir Canada
Deal found 6/14$689
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 9/199:45 pmPDX - UVF
1 stop13h 38mDelta
Fri 9/263:38 pmUVF - PDX
2 stops20h 26mDelta
Deal found 6/14$727
This American Airlines deal was found by Cheapflights users on 6/16. 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 7/319:50 pmPDX - UVF
1 stop13h 30mAmerican Airlines
Thu 8/72:55 pmUVF - PDX
2 stops21h 29mAmerican Airlines
Deal found 6/16$737
This American Airlines deal was found by Cheapflights users on 6/14. 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 12/103:05 pmUVF - SEA
1 stop12h 17mAmerican Airlines
Deal found 6/14$743
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Tue 7/292:05 pmSEA - UVF
3 stops44h 40mMultiple Airlines
Tue 8/53:10 pmUVF - SEA
1 stop22h 50mMultiple Airlines
Deal found 6/14$846
This United Airlines deal was found by Cheapflights users on 6/16. 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 11/76:00 amPDX - UVF
3 stops27h 07mUnited Airlines
Sat 11/151:52 pmUVF - PDX
3 stops25h 01mUnited Airlines
Deal found 6/16$1,029
This WestJet deal was found by Cheapflights users on 6/15. 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.
Wed 7/237:35 pmSEA - UVF
2 stops15h 10mWestJet
Sun 7/272:35 pmUVF - SEA
2 stops31h 03mWestJet
Deal found 6/15$1,218
This Delta deal was found by Cheapflights users on 6/15. 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 12/2410:55 pmSEA - UVF
1 stop12h 12mDelta
Sun 12/284:32 pmUVF - SEA
1 stop22h 02mDelta
Deal found 6/15$1,510
This United Airlines deal was found by Cheapflights users on 6/15. 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 12/1911:50 pmSEA - UVF
1 stop12h 35mUnited Airlines
Sat 12/271:52 pmUVF - SEA
1 stop12h 37mUnited Airlines
Deal found 6/15$2,086

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 June 17, 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

PortlandCastries

PDX - UVF

PDXUVF

Portland

Sun 9/21

7:40 pm-2:15 pm

2 stops39h 35m

Castries Hewanorra

Fri 9/26

3:10 pm-6:46 pm

2 stops30h 36m

$551

PortlandCastries

PDX - UVF

PDXUVF

Portland

Sat 9/20

1:45 pm-1:44 pm

2 stops20h 59m

Castries Hewanorra

Fri 9/26

3:10 pm-2:46 pm

2 stops26h 36m

$597

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 9/19

1:45 pm-1:44 pm

2 stops44h 59m

Castries Hewanorra

Sun 9/28

2:35 pm-12:48 pm

2 stops25h 13m

$636

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 9/19

9:45 pm-2:23 pm

1 stop13h 38m

Castries Hewanorra

Fri 9/26

3:38 pm-9:04 am

2 stops20h 26m

$727

PortlandCastries

PDX - UVF

PDXUVF

Portland

Thu 7/31

9:50 pm-2:20 pm

1 stop13h 30m

Castries Hewanorra

Thu 8/7

2:55 pm-9:24 am

2 stops21h 29m

$737

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 7/29

2:05 pm-1:45 pm

3 stops44h 40m

Castries Hewanorra

Tue 8/5

3:10 pm-11:00 am

1 stop22h 50m

$846

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 7/29

8:16 pm-2:00 pm

1 stop14h 44m

Castries Hewanorra

Tue 8/5

3:00 pm-11:57 pm

1 stop11h 57m

$983

PortlandCastries

PDX - UVF

PDXUVF

Portland

Fri 11/7

6:00 am-1:07 pm

3 stops27h 07m

Castries Hewanorra

Sat 11/15

1:52 pm-10:53 am

3 stops25h 01m

$1,029

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Wed 7/23

7:35 pm-1:45 pm

2 stops15h 10m

Castries Hewanorra

Sun 7/27

2:35 pm-6:38 pm

2 stops31h 03m

$1,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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 June 17, 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 June 17, 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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

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.

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 June 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$541Average$772FlexibilityNo cancel feeOn-time71%

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