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Saint Lucia

$189+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — UVF
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$428
(Air Canada)

One-way from

$189
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$779
Provider with most accurate pricing for Washington, D.C. (WAS)-Castries George F. L. Charle flight deals.
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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
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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. 11% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This Air Canada deal was found by Cheapflights users on 4/22. 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.
Mon 5/2612:55 pmDCA - UVF
2 stops25h 20mAir Canada
Fri 6/63:10 pmUVF - DCA
2 stops20h 51mAir Canada
Deal found 4/22$428
This Delta deal was found by Cheapflights users on 4/24. 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 5/146:00 amDCA - UVF
1 stop8h 06mDelta
Mon 5/193:26 pmUVF - DCA
1 stop8h 17mDelta
Deal found 4/24$495
This JetBlue deal was found by Cheapflights users on 4/23. 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.
Tue 5/136:09 amDCA - UVF
1 stop7h 40mJetBlue
Sat 5/1712:25 pmUVF - DCA
1 stop10h 33mJetBlue
Deal found 4/23$546
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 12/96:24 pmDCA - UVF
1 stop17h 36mAmerican Airlines
Tue 12/165:05 pmUVF - DCA
1 stop7h 54mAmerican Airlines
Deal found 4/24$567
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 7/266:25 amDCA - UVF
1 stop9h 05mUnited Airlines
Sat 8/212:55 pmUVF - DCA
1 stop20h 02mUnited Airlines
Deal found 4/22$617
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Wed 5/2811:00 amDCA - SLU
2 stops32h 00mMultiple Airlines
Tue 6/39:25 amSLU - DCA
2 stops34h 18mMultiple Airlines
Deal found 4/22$1,002
This Mytrip deal was found by Cheapflights users on 4/24. 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.
Tue 4/296:00 amDCA - UVF
3 stops32h 45mMultiple Airlines
Tue 5/63:10 pmUVF - DCA
3 stops24h 39mMultiple Airlines
Deal found 4/24$1,550
This WestJet deal was found by Cheapflights users on 4/23. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:00 amDCA - UVF
2 stops31h 45mWestJet
Sun 8/102:35 pmUVF - DCA
2 stops32h 28mWestJet
Deal found 4/23$3,346

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 April 24, 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

Mon 5/26

12:55 pm-2:15 pm

2 stops25h 20m

Castries Hewanorra

Fri 6/6

3:10 pm-12:01 pm

2 stops20h 51m

$428

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 5/14

6:00 am-2:06 pm

1 stop8h 06m

Castries Hewanorra

Mon 5/19

3:26 pm-11:43 pm

1 stop8h 17m

$495

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 5/13

6:09 am-1:49 pm

1 stop7h 40m

Castries Hewanorra

Sat 5/17

12:25 pm-10:58 pm

1 stop10h 33m

$546

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 5/28

5:00 am-2:11 pm

1 stop9h 11m

Castries Hewanorra

Wed 6/4

3:14 pm-11:59 pm

1 stop8h 45m

$567

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 7/26

6:25 am-3:30 pm

1 stop9h 05m

Castries Hewanorra

Sat 8/2

12:55 pm-8:57 am

1 stop20h 02m

$617

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Wed 5/28

11:00 am-7:00 pm

2 stops32h 00m

Castries George F. L. Charle

Tue 6/3

9:25 am-7:43 pm

2 stops34h 18m

$1,002

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 8/25

4:30 pm-2:15 pm

2 stops21h 45m

Castries Hewanorra

Sun 8/31

2:35 pm-6:12 pm

2 stops27h 37m

$1,894

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 7/19

6:00 am-1:45 pm

2 stops31h 45m

Castries Hewanorra

Sun 8/10

2:35 pm-11:03 pm

2 stops32h 28m

$3,346

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 5/20

6:09 am-1:49 pm

1 stop7h 40m

$189

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 8/16

6:00 am-2:16 pm

1 stop8h 16m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 14 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 April 24, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Saint Lucia to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,816 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 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.

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

    $189 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 American Airlines, with prices starting from $197 and $298, 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

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$313Average$709FlexibilityNo cancel feeOn-time62%
DeltaCheapest$391Average$720FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$555Average$725FlexibilityNo cancel feeOn-time71%

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