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Saint Lucia

$159+ Cheap flights from Reagan-National (DCA) 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — UVF
nov. 29 — déc. 61
sam. 11/29
sam. 12/6
1 adult, Economy
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Find flight deals from Reagan-National to Saint Lucia

Cheapest flights from Reagan-National to Saint Lucia
Explore the most affordable flight options available from Reagan-National to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 30, 2025.

This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/186:24 amDCA - UVF
1 stop7h 33mJetBlue
ven. 11/215:01 pmUVF - DCA
1 stop23h 16mJetBlue
Deal found 10/28$397
This Priceline deal was found by Cheapflights users on 10/27. 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.
lun. 11/176:24 amDCA - UVF
1 stop7h 33mJetBlue
sam. 11/226:24 pmUVF - DCA
1 stop29h 35mJetBlue
Deal found 10/27$407
This Air Canada deal was found by Cheapflights users on 10/27. 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.
sam. 11/84:10 pmDCA - UVF
2 stops23h 15mAir Canada
ven. 11/145:15 pmUVF - DCA
1 stop16h 40mAir Canada
Deal found 10/27$444
This Air Canada deal was found by Cheapflights users on 10/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/912:55 pmDCA - UVF
2 stops26h 30mAir Canada
ven. 11/145:15 pmUVF - DCA
2 stops18h 11mAir Canada
Deal found 10/29$452
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/154:55 pmDCA - UVF
1 stop21h 02mJetBlue
jeu. 11/205:01 pmUVF - DCA
1 stop22h 58mJetBlue
Deal found 10/29$460
This American Airlines deal was found by Cheapflights users on 10/27. 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.
lun. 11/175:00 amDCA - UVF
1 stop9h 04mAmerican Airlines
sam. 11/223:54 pmUVF - DCA
1 stop9h 05mAmerican Airlines
Deal found 10/27$463
This American Airlines deal was found by Cheapflights users on 10/29. 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.
ven. 11/285:05 amDCA - UVF
2 stops9h 47mAmerican Airlines
ven. 12/54:00 pmUVF - DCA
1 stop8h 34mAmerican Airlines
Deal found 10/29$468
This American Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/15:24 pmDCA - UVF
1 stop20h 40mAmerican Airlines
sam. 12/64:53 pmUVF - DCA
1 stop17h 07mAmerican Airlines
Deal found 10/30$470
This Mytrip deal was found by Cheapflights users on 10/28. 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.
mer. 11/56:59 amDCA - SLU
2 stops35h 01mMultiple Airlines
dim. 11/912:10 pmSLU - DCA
2 stops23h 16mMultiple Airlines
Deal found 10/28$804
This Mytrip deal was found by Cheapflights users on 10/30. 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.
dim. 11/1611:05 amDCA - SLU
3 stops29h 25mMultiple Airlines
mer. 11/199:10 amSLU - DCA
3 stops31h 21mMultiple Airlines
Deal found 10/30$814
This Mytrip deal was found by Cheapflights users on 10/27. 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.
jeu. 11/66:59 amDCA - SLU
2 stops35h 01mMultiple Airlines
mar. 11/117:30 amSLU - DCA
3 stops27h 56mMultiple Airlines
Deal found 10/27$817
This Mytrip deal was found by Cheapflights users on 10/30. 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.
mer. 11/1212:55 pmDCA - SLU
3 stops29h 05mMultiple Airlines
mer. 11/199:10 amSLU - DCA
3 stops28h 09mMultiple Airlines
Deal found 10/30$855

Cheap flight deals from Reagan-National to Saint Lucia

Keep the following information in mind while searching for Reagan-National to Saint Lucia flight deals. Data was last updated octobre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$397
(Priceline)

One-way from

$159
(Priceline)

Popular in

December

Cheapest in

October

Average price

$601
Provider with most accurate pricing for Washington, D.C. (WAS)-Castries George F. L. Charle flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Castries George F. L. Charle flights.
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From Washington, D.C. Reagan-National to Saint Lucia
Search Deals
One-way flight from Washington, D.C. Reagan-National to Saint Lucia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 octobre 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Saint Lucia that are best for you.

Fly from

Reagan-National

Fly to

Saint Lucia

Route

Depart

Return

Price

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

lun. 2/2

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

mar. 2/3

4:25 pm-11:34 pm

1 stop8h 09m

$463

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

sam. 4/25

6:05 am-2:32 pm

1 stop8h 27m

Castries Hewanorra

sam. 5/9

2:26 pm-10:59 pm

1 stop8h 33m

$463

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

jeu. 1/8

7:25 am-4:02 pm

1 stop7h 37m

Castries Hewanorra

lun. 1/12

5:02 pm-12:34 am

1 stop8h 32m

$463

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 11/18

6:00 am-3:39 pm

1 stop8h 39m

Castries Hewanorra

ven. 11/21

4:59 pm-9:10 am

1 stop17h 11m

$463

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

lun. 12/1

5:24 pm-3:04 pm

1 stop20h 40m

Castries Hewanorra

sam. 12/6

4:53 pm-9:00 am

1 stop17h 07m

$470

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 12/2

6:50 pm-4:20 pm

1 stop20h 30m

Castries Hewanorra

mer. 12/10

5:15 pm-8:55 am

1 stop16h 40m

$474

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 12/30

11:05 am-4:20 pm

2 stops28h 15m

Castries Hewanorra

ven. 1/9

5:15 pm-3:31 pm

2 stops23h 16m

$480

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

ven. 2/6

6:15 am-3:15 pm

1 stop8h 00m

Castries Hewanorra

mar. 2/10

4:40 pm-1:19 pm

2 stops21h 39m

$490

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

mer. 11/5

6:59 am-7:00 pm

2 stops35h 01m

Castries George F. L. Charle

dim. 11/9

12:10 pm-10:26 am

2 stops23h 16m

$804

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

dim. 11/16

11:05 am-5:30 pm

3 stops29h 25m

Castries George F. L. Charle

mer. 11/19

9:10 am-8:55 am

2 stops24h 45m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 21 results
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Best time to book a flight from Reagan-National to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Reagan-National 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. Reagan-National Airport to Saint Lucia

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Saint Lucia (average of $179). Flying from Washington, D.C. Reagan-National Airport to Saint Lucia in June is currently the most expensive (average of $919). 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 octobre 30, 2025.
See what other customers who have flown with Delta, American Airlines, and JetBlue from Washington, D.C. Reagan-National Airport to Saint Lucia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,999 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,999 reviews
Delta
7.9
Good
7,999 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,999 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
JetBlue
7.2
Good
2,906 reviews
Delta
7.9
Good
7,999 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Saint Lucia?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Saint Lucia in 7h 37m. Fly via Delta, JetBlue, or American Airlines to get the fastest option. The distance between Washington, D.C. Reagan-National Airport and Saint Lucia is about 1993 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $159 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $181 and $216, respectively.

  • Can I find deals for flights from Reagan-National to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Saint Lucia?

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

  • Can I find deals for business class flights from Reagan-National to Saint Lucia?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Saint Lucia?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Saint Lucia (average of $179). Flying from Washington, D.C. Reagan-National Airport to Saint Lucia in June is currently the most expensive (average of $919). 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

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Alternative routes for Reagan-National to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Reagan-National to Saint Lucia

Discover the top 3 airlines that operate flights from Reagan-National 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 octobre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$179Average$610FlexibilityNo cancel feeOn-time62%
DeltaCheapest$385Average$682FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$567Average$732FlexibilityNo cancel feeOn-time71%

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