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Saint Lucia

$196+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — UVF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$358
(Air Canada)

One-way from

$196
(Priceline)

Popular in

July

Cheapest in

November

Average price

$915
From Washington, D.C. Reagan-National to Saint Lucia
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One-way flight from Washington, D.C. Reagan-National to Saint Lucia
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Highest demand for flights based on searches. 9% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:10 pmDCA - UVF
2 stops23h 15mAir Canada
Fri 12/55:15 pmUVF - DCA
2 stops23h 16mAir Canada
Deal found 9/16$358
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:59 amDCA - UVF
1 stop8h 26mAir Canada
Fri 11/215:15 pmUVF - DCA
2 stops18h 11mAir Canada
Deal found 9/15$368
This Expedia deal was found by Cheapflights users on 9/15. 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.
Mon 9/298:40 pmDCA - UVF
1 stop17h 35mAir Canada
Fri 10/33:10 pmUVF - DCA
1 stop17h 49mAir Canada
Deal found 9/15$404
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Sun 11/25:59 amDCA - UVF
1 stop8h 26mAir Canada
Fri 11/75:15 pmUVF - DCA
1 stop25h 50mAir Canada
Deal found 9/14$417
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Tue 12/28:40 pmDCA - UVF
1 stop18h 45mAir Canada
Wed 12/105:15 pmUVF - DCA
1 stop16h 40mAir Canada
Deal found 9/14$418
This Expedia deal was found by Cheapflights users on 9/15. 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.
Fri 10/2412:55 pmDCA - UVF
2 stops50h 30mAir Canada
Fri 10/314:15 pmUVF - DCA
1 stop16h 40mAir Canada
Deal found 9/15$474
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:10 pmDCA - UVF
2 stops21h 40mMultiple Airlines
Fri 11/145:15 pmUVF - DCA
2 stops18h 11mMultiple Airlines
Deal found 9/16$487
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:59 amDCA - UVF
1 stop8h 26mAir Canada
Wed 12/175:15 pmUVF - DCA
2 stops20h 04mAir Canada
Deal found 9/15$513
This Expedia deal was found by Cheapflights users on 9/15. 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 11/66:24 amDCA - UVF
1 stop7h 33mJetBlue
Wed 11/124:57 pmUVF - DCA
1 stop22h 53mJetBlue
Deal found 9/15$524
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:55 pmDCA - UVF
2 stops21h 01mJetBlue
Sun 12/74:55 pmUVF - DCA
2 stops19h 46mJetBlue
Deal found 9/14$537
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Sun 12/146:59 amDCA - UVF
1 stop8h 26mAir Canada
Wed 12/175:15 pmUVF - DCA
1 stop16h 40mAir Canada
Deal found 9/14$539
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amDCA - UVF
1 stop7h 56mJetBlue
Sun 12/144:55 pmUVF - DCA
2 stops19h 46mJetBlue
Deal found 9/14$541

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 September 16, 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

Tue 12/2

8:40 pm-4:25 pm

1 stop18h 45m

Castries Hewanorra

Wed 12/10

5:15 pm-3:31 pm

2 stops23h 16m

$358

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sun 11/16

6:59 am-4:25 pm

1 stop8h 26m

Castries Hewanorra

Fri 11/21

5:15 pm-10:35 pm

1 stop30h 20m

$368

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 9/29

4:35 pm-2:15 pm

2 stops21h 40m

Castries Hewanorra

Fri 10/3

3:10 pm-8:59 am

1 stop17h 49m

$404

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 12/2

4:10 pm-4:25 pm

2 stops23h 15m

Castries Hewanorra

Fri 12/5

5:15 pm-3:31 pm

2 stops23h 16m

$418

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 11/10

4:10 pm-2:50 pm

2 stops21h 40m

Castries Hewanorra

Fri 11/14

5:15 pm-10:26 am

2 stops18h 11m

$487

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 12/3

6:59 am-4:25 pm

1 stop8h 26m

Castries Hewanorra

Wed 12/17

5:15 pm-8:55 am

1 stop16h 40m

$513

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Sat 11/8

11:05 am-7:00 pm

2 stops30h 55m

Castries George F. L. Charle

Tue 11/11

9:10 am-12:19 pm

3 stops28h 09m

$822

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Wed 12/3

4:10 pm-7:00 pm

3 stops25h 50m

Castries George F. L. Charle

Sun 12/7

12:10 pm-10:26 am

2 stops23h 16m

$823

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Sat 9/27

12:55 pm-7:00 pm

3 stops30h 05m

Castries George F. L. Charle

Sat 10/4

12:35 pm-12:08 pm

3 stops23h 33m

$830

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Thu 11/20

9:20 pm-1:10 pm

3 stops38h 50m

Castries George F. L. Charle

Mon 11/24

9:10 am-8:55 am

2 stops24h 45m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Saint Lucia (average of $556). Flying from Washington, D.C. Reagan-National Airport 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.

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 September 16, 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
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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!
JetBlue
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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 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 18h 45m. Fly via Air Canada to get the fastest option. The distance between Washington, D.C. Reagan-National Airport and Saint Lucia is about 1993 mi.

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

    $196 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on JetBlue and American Airlines, with prices starting from $227 and $273, 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Saint Lucia (average of $556). Flying from Washington, D.C. Reagan-National Airport 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 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$179Average$656FlexibilityNo cancel feeOn-time62%
DeltaCheapest$385Average$682FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$567Average$736FlexibilityNo cancel feeOn-time71%

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