HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$230+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — UVF
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 January 21, 2025.

Round-trip from

$572
(American Airlines)

One-way from

$230
(Priceline)
From Washington, D.C. (WAS) to Saint Lucia
Search Deals
One-way flight from Washington, D.C. (WAS) to Saint Lucia
Search Deals

Find 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 January 21, 2025.

This Delta deal was found by Cheapflights users on 1/20. 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.
Sun 8/106:00 amBWI - UVF
1 stop8h 15mDelta
Wed 8/134:08 pmUVF - BWI
1 stop8h 09mDelta
Deal found 1/20$562
This American Airlines deal was found by Cheapflights users on 1/20. 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 5/108:17 pmBWI - UVF
1 stop17h 08mAmerican Airlines
Wed 5/143:30 pmUVF - BWI
1 stop8h 15mAmerican Airlines
Deal found 1/20$572
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 2/256:00 amDCA - UVF
1 stop8h 06mDelta
Tue 3/44:26 pmUVF - DCA
1 stop8h 13mDelta
Deal found 1/21$577
This Priceline deal was found by Cheapflights users on 1/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:14 pmIAD - UVF
2 stops16h 31mAir Canada
Mon 4/73:45 pmUVF - IAD
1 stop22h 01mAir Canada
Deal found 1/21$577
This Gotogate deal was found by Cheapflights users on 1/21. 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.
Tue 4/14:10 pmDCA - UVF
2 stops22h 35mAir Canada
Mon 4/73:45 pmUVF - DCA
2 stops18h 34mAir Canada
Deal found 1/21$580
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/195:09 amDCA - UVF
2 stops9h 36mAmerican Airlines
Wed 2/264:30 pmUVF - DCA
2 stops15h 29mAmerican Airlines
Deal found 1/20$582
This American Airlines deal was found by Cheapflights users on 1/21. 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 5/103:54 pmIAD - UVF
1 stop21h 31mAmerican Airlines
Wed 5/144:15 pmUVF - IAD
1 stop16h 27mAmerican Airlines
Deal found 1/21$584
This Delta deal was found by Cheapflights users on 1/21. 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 2/266:00 amIAD - UVF
1 stop8h 06mDelta
Mon 3/34:26 pmUVF - IAD
1 stop8h 54mDelta
Deal found 1/21$602
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/196:30 amBWI - UVF
1 stop8h 55mUnited Airlines
Wed 2/261:52 pmUVF - BWI
1 stop21h 03mUnited Airlines
Deal found 1/21$676
This Mytrip deal was found by Cheapflights users on 1/21. 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 5/88:00 amBWI - SLU
3 stops27h 30mMultiple Airlines
Wed 5/1410:25 amSLU - BWI
2 stops35h 50mMultiple Airlines
Deal found 1/21$707
This JetBlue deal was found by Cheapflights users on 1/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:59 amDCA - UVF
1 stop9h 21mJetBlue
Sat 8/301:36 pmUVF - DCA
1 stop9h 23mJetBlue
Deal found 1/21$745
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 3/118:05 pmDCA - UVF
1 stop19h 20mUnited Airlines
Sat 3/1512:52 pmUVF - DCA
1 stop11h 05mUnited Airlines
Deal found 1/21$772

Find flights from Washington, D.C. to Saint Lucia within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Sat 5/10

8:17 pm-1:25 pm

1 stop17h 08m

Castries Hewanorra

Wed 5/14

3:30 pm-11:45 pm

1 stop8h 15m

$572

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Tue 2/25

6:00 am-3:06 pm

1 stop8h 06m

Castries Hewanorra

Tue 3/4

4:26 pm-12:35 am

1 stop9h 09m

$577

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 4/1

10:14 pm-2:45 pm

2 stops16h 31m

Castries Hewanorra

Mon 4/7

3:45 pm-3:13 pm

2 stops23h 28m

$577

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 2/25

6:00 am-3:06 pm

1 stop8h 06m

Castries Hewanorra

Tue 3/4

4:26 pm-11:39 pm

1 stop8h 13m

$577

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 4/1

4:10 pm-2:45 pm

2 stops22h 35m

Castries Hewanorra

Mon 4/7

3:45 pm-10:19 am

2 stops18h 34m

$580

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 2/19

7:15 am-3:45 pm

1 stop7h 30m

Castries Hewanorra

Wed 2/26

4:45 pm-6:59 am

2 stops15h 14m

$582

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 5/10

3:54 pm-1:25 pm

1 stop21h 31m

Castries Hewanorra

Wed 5/14

4:15 pm-8:42 am

1 stop16h 27m

$584

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 2/26

6:00 am-3:06 pm

1 stop8h 06m

Castries Hewanorra

Mon 3/3

4:26 pm-12:20 am

1 stop8h 54m

$602

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 2/19

6:30 am-4:25 pm

1 stop8h 55m

Castries Hewanorra

Wed 2/26

1:52 pm-9:55 am

1 stop21h 03m

$676

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Thu 5/8

8:00 am-11:30 am

3 stops27h 30m

Castries George F. L. Charle

Wed 5/14

10:25 am-10:15 pm

2 stops35h 50m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 29 results
1
2
3

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.

Travel insights for flights from Washington, D.C. to Saint Lucia

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Saint Lucia (average of $556). Flying from Washington, D.C. 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 WAS to LC?

Find hourly flight availability from Washington, D.C. 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 January 21, 2025.

When flying from Washington, D.C. 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 January 21, 2025.
See what other customers who have flown with Air Canada, Delta and United Airlines from Washington, D.C. to Saint Lucia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue
7.4
Good
3,201 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,829 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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, 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.

  • What are the cheapest airlines to fly from Washington, D.C. to Saint Lucia one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $230. Users have also found prices from $278 and $366 on American Airlines and Delta, respectively.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Saint Lucia (average of $556). Flying from Washington, D.C. 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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
Dulles Intl to Saint Thomas Island flights
Dulles Intl to Montego Bay flights
Dulles Intl to Oranjestad flights
Reagan-National to Punta Cana flights
Reagan-National to Nassau flights
Reagan-National to Montego Bay flights
Dulles Intl to Nassau flights
Reagan-National to Saint Thomas Island flights
Reagan-National to Oranjestad flights
Reagan-National to Providenciales flights
Dulles Intl to Providenciales flights
Dulles Intl to Castries flights
Dulles Intl to Simpson Bay flights
Dulles Intl to George Town flights
Dulles Intl to Willemstad flights
Dulles Intl to Santo Domingo flights
Reagan-National to Castries flights
Reagan-National to Simpson Bay flights
Reagan-National to Willemstad flights
Dulles Intl to Christiansted flights
Reagan-National to Santo Domingo flights
Reagan-National to Bridgetown flights
Reagan-National to Christiansted flights
Dulles Intl to Port of Spain flights
Dulles Intl to Bridgetown flights
Reagan-National to George Town flights
Dulles Intl to Kingston flights
Dulles Intl to St. John's flights
Reagan-National to St. John's flights
Reagan-National to Kingston flights
Dulles Intl to St. George's flights
Dulles Intl to Puerto Plata flights
Reagan-National to Port of Spain flights
Reagan-National to Puerto Plata flights
Reagan-National to St. George's flights
Dulles Intl to Santiago de los Caballeros flights
Dulles Intl to Marsh Harbour flights
Dulles Intl to Basseterre flights
Dulles Intl to Road Town flights
Reagan-National to Marsh Harbour flights
Dulles Intl to Roseau flights
Reagan-National to Road Town flights
Reagan-National to Basseterre flights
Reagan-National to Kralendijk flights

Top 2 airlines flying from Washington, D.C. to Saint Lucia

Discover the top 2 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$814FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$535Average$772FlexibilityNo cancel feeOn-time71%
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.