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Saint Lucia

$139+ Cheap flights from Washington, D.C. (WAS) 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — UVF
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Saint Lucia

Cheapest flights from Washington, D.C. to Saint Lucia
Explore the most affordable flight options available from Washington, D.C. to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Air Canada deal was found by Cheapflights users on 3/12. 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.
Thu 6/1112:45 pm
DCA
-
UVF
2 stops25h 25m
Air Canada
Tue 6/163:05 pm
UVF
-
DCA
2 stops20h 56m
Air Canada
Deal found 3/12$372
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:55 am
IAD
-
UVF
1 stop28h 15m
Air Canada
Tue 6/163:05 pm
UVF
-
IAD
1 stop29h 24m
Air Canada
Deal found 3/15$372
This Expedia deal was found by Cheapflights users on 3/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:45 pm
IAD
-
UVF
2 stops46h 20m
Air Canada
Tue 6/23:05 pm
UVF
-
IAD
2 stops23h 58m
Air Canada
Deal found 3/13$379
This Air Canada deal was found by Cheapflights users on 3/13. 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.
Thu 6/48:40 pm
DCA
-
UVF
1 stop17h 30m
Air Canada
Fri 6/123:05 pm
UVF
-
DCA
1 stop17h 48m
Air Canada
Deal found 3/13$382
This FlightHub deal was found by Cheapflights users on 3/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:10 pm
IAD
-
UVF
2 stops40h 10m
Air Canada
Tue 6/233:05 pm
UVF
-
IAD
1 stop24h 19m
Air Canada
Deal found 3/16$392
This American Airlines deal was found by Cheapflights users on 3/13. 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 8/295:00 am
BWI
-
UVF
1 stop9h 15m
American Airlines
Wed 9/23:15 pm
UVF
-
BWI
1 stop9h 11m
American Airlines
Deal found 3/13$438
This FlightHub deal was found by Cheapflights users on 3/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:45 pm
DCA
-
UVF
2 stops49h 35m
Air Canada
Tue 6/233:05 pm
UVF
-
DCA
1 stop27h 07m
Air Canada
Deal found 3/16$442
This American Airlines deal was found by Cheapflights users on 3/13. 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 8/247:45 pm
BWI
-
UVF
2 stops18h 24m
American Airlines
Fri 8/283:09 pm
UVF
-
BWI
2 stops18h 52m
American Airlines
Deal found 3/13$443
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 5/276:38 pm
BWI
-
UVF
1 stop17h 24m
American Airlines
Thu 6/41:02 pm
UVF
-
BWI
2 stops24h 03m
American Airlines
Deal found 3/13$448
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:45 pm
DCA
-
UVF
2 stops49h 20m
Air Canada
Tue 6/23:05 pm
UVF
-
DCA
1 stop27h 08m
Air Canada
Deal found 3/16$457
This Delta deal was found by Cheapflights users on 3/12. 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 8/127:00 am
BWI
-
UVF
1 stop7h 08m
Delta
Thu 8/273:28 pm
UVF
-
BWI
1 stop8h 48m
Delta
Deal found 3/12$458
This Flighttix deal was found by Cheapflights users on 3/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:07 pm
IAD
-
UVF
2 stops41h 13m
Air Canada
Thu 4/94:15 pm
UVF
-
IAD
2 stops19h 35m
Air Canada
Deal found 3/15$466

Find flight deals from Washington, D.C. to Saint Lucia

Keep the following information in mind while searching for Washington, D.C. to Saint Lucia flight deals. Data was last updated March 17, 2026.

Round-trip from

$372
(Air Canada)

One-way from

$139
(Air Canada)

Popular in

November

Cheapest in

June

Average price

$747
From Washington, D.C. (WAS) to Saint Lucia
Search Deals
One-way flight from Washington, D.C. (WAS) to Saint Lucia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($98 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 March 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 4/8

8:40 pm-3:25 pm

1 stop18h 45m

Castries Hewanorra

Wed 4/15

4:20 pm-12:01 pm

2 stops19h 41m

$472

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 4/15

6:00 am-2:02 pm

1 stop8h 02m

Castries Hewanorra

Wed 4/22

3:22 pm-12:38 am

1 stop9h 16m

$558

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 4/17

7:16 pm-2:26 pm

2 stops19h 10m

Castries Hewanorra

Wed 4/22

3:28 pm-11:11 am

2 stops19h 43m

$571

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 4/25

6:50 pm-3:10 pm

1 stop20h 20m

Castries Hewanorra

Wed 4/29

4:20 pm-12:01 pm

2 stops43h 41m

$615

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sun 6/7

6:00 am-3:19 pm

1 stop9h 19m

Castries Hewanorra

Thu 6/11

1:47 pm-10:59 pm

1 stop9h 12m

$623

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 5/30

6:00 am-3:19 pm

1 stop9h 19m

Castries Hewanorra

Fri 6/5

1:50 pm-10:59 pm

1 stop9h 09m

$623

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 8/10

8:30 pm-2:08 pm

1 stop17h 38m

Castries Hewanorra

Tue 8/18

3:28 pm-9:13 am

1 stop17h 45m

$686

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 8/9

6:00 am-2:13 pm

1 stop8h 13m

Castries Hewanorra

Tue 8/18

3:28 pm-9:10 am

1 stop17h 42m

$686

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 8/10

7:50 pm-2:08 pm

1 stop18h 18m

Castries Hewanorra

Tue 8/18

3:28 pm-9:10 am

1 stop17h 42m

$686

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 4/10

6:00 am-1:58 pm

1 stop7h 58m

Castries Hewanorra

Wed 4/15

3:22 pm-12:38 am

1 stop9h 16m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Washington, D.C. 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, D.C. to Saint Lucia

What is the cheapest month to book a flight from Washington, D.C. to Saint Lucia?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Saint Lucia (average of $179). Flying from Washington, D.C. to Saint Lucia in October is currently the most expensive (average of $505). 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.

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 March 17, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Saint Lucia, such as Delta,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,288 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,288 reviews
Delta
7.9
Good
8,288 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,906 reviews
Delta
7.9
Good
8,288 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,466 reviews
Delta
7.9
Good
8,288 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C. to Saint Lucia?

    Airlines like Air Canada, Delta, and American Airlines fly from Washington, D.C. to Saint Lucia in about 8h 02m. The time it takes to get you to your destination can typically vary by up to 11h 08m. The distance from Washington, D.C. to Saint Lucia is about 2000 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. to Saint Lucia?

    The most popular route from Washington, D.C. to Saint Lucia is Washington, D.C. Dulles Intl - Castries Hewanorra. You may also consider Baltimore/Washington - Castries Hewanorra or Washington, D.C. Reagan-National - Castries Hewanorra.

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

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

  • How can I find direct flights from Washington, D.C. 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, D.C. to Saint Lucia.

  • Can I find deals for business class flights from Washington, D.C. to Saint Lucia?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Saint Lucia?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Saint Lucia (average of $179). Flying from Washington, D.C. to Saint Lucia in October is currently the most expensive (average of $505). 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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Top 3 airlines flying from Washington, D.C. to Saint Lucia

Discover the top 3 airlines that operate flights from Washington, D.C. 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$179Average$402FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$351Average$789FlexibilityNo cancel feeOn-time71%
DeltaCheapest$452Average$869FlexibilityNo cancel feeOn-timeN/A

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