Washington, D.C.

$380+ Cheap flights from Saint Lucia to Washington, D.C. (WAS)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — WAS
Mar 3 — Mar 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Saint Lucia to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheapest flights from Saint Lucia to Washington, D.C.
Explore the most affordable flight options available from Saint Lucia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.

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.
Wed 2/184:25 pm
UVF
-
DCA
1 stop8h 07m
Delta
Mon 2/236:00 am
DCA
-
UVF
1 stop8h 05m
Delta
Deal found 1/30$525
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.
Wed 2/184:58 pm
UVF
-
DCA
2 stops17h 21m
American Airlines
Mon 2/235:59 am
DCA
-
UVF
1 stop8h 59m
American Airlines
Deal found 1/30$543
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.
Thu 4/232:35 pm
UVF
-
DCA
1 stop9h 59m
American Airlines
Sun 4/265:00 am
DCA
-
UVF
1 stop8h 35m
American Airlines
Deal found 1/30$584
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.
Thu 4/234:15 pm
UVF
-
DCA
2 stops19h 46m
Air Canada
Sun 4/266:59 am
DCA
-
UVF
1 stop8h 11m
Air Canada
Deal found 1/30$586
This American Airlines deal was found by Cheapflights users on 1/31. 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 4/232:35 pm
UVF
-
BWI
1 stop9h 12m
American Airlines
Sun 4/266:00 am
BWI
-
UVF
1 stop7h 35m
American Airlines
Deal found 1/31$618
This Delta deal was found by Cheapflights users on 1/31. 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 2/184:25 pm
UVF
-
BWI
1 stop9h 10m
Delta
Mon 2/236:00 am
BWI
-
UVF
1 stop8h 05m
Delta
Deal found 1/31$793

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

Keep the following information in mind while searching for Saint Lucia to Washington, D.C. flight deals. Data was last updated February 1, 2026.

Round-trip from

$525
(Delta)

One-way from

$380
(Air Canada)
From Saint Lucia to Washington, D.C. (WAS)
One-way flight from Saint Lucia to Washington, D.C. (WAS)

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Lucia to Washington, D.C. 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 February 1, 2026.
Use the filters below to find and compare flights from Saint Lucia to Washington, D.C. that are best for you.

Fly from

Saint Lucia

Fly to

Washington, D.C.

Route

Depart

Return

Price

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Wed 2/18

4:25 pm-11:32 pm

1 stop8h 07m

Washington, D.C. Reagan-National

Mon 2/23

6:00 am-3:05 pm

1 stop8h 05m

$525

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Wed 2/18

4:58 pm-9:19 am

2 stops17h 21m

Washington, D.C. Reagan-National

Mon 2/23

5:59 am-3:58 pm

1 stop8h 59m

$543

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Thu 4/23

2:35 pm-12:34 am

1 stop9h 59m

Washington, D.C. Reagan-National

Sun 4/26

5:00 am-1:35 pm

1 stop8h 35m

$584

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Thu 4/23

4:15 pm-12:01 pm

2 stops19h 46m

Washington, D.C. Reagan-National

Sun 4/26

6:59 am-3:10 pm

1 stop8h 11m

$586

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Thu 4/23

2:35 pm-11:47 pm

1 stop9h 12m

Baltimore/Washington

Sun 4/26

6:00 am-1:35 pm

1 stop7h 35m

$618

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Wed 2/18

4:25 pm-12:35 am

1 stop9h 10m

Baltimore/Washington

Mon 2/23

6:00 am-3:05 pm

1 stop8h 05m

$793

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Wed 2/18

5:15 pm-8:55 am

1 stop16h 40m

$380

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Fri 5/15

3:15 pm-12:01 pm

2 stops20h 46m

$383

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Fri 3/27

3:18 pm-12:53 am

1 stop9h 35m

$399

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Tue 3/17

3:18 pm-12:53 am

1 stop9h 35m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Saint Lucia to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Saint Lucia 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 Saint Lucia to Washington, D.C.
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    Departing from Saint Lucia to Washington, D.C. will take you 8h 07m. Airlines will cover a distance of 1993 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Lucia to Washington, D.C..

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

    Yes. Cheapflights offers flight deals from Saint Lucia to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Saint Lucia to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.