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Saint Lucia

$140+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — UVF
may. 25 — jun. 11
dom. 5/25
dom. 6/1
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 mayo 20, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$477
(JetBlue)

One-way from

$140
(Flysmarter)

Popular in

December

Cheapest in

January

Average price

$751
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. 1% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 20, 2025.

This JetBlue deal was found by Cheapflights users on 5/19. 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.
mar. 9/26:30 amDCA - UVF
1 stop8h 18mJetBlue
mar. 9/93:05 pmUVF - DCA
1 stop7h 54mJetBlue
Deal found 5/19$477
This Air Canada deal was found by Cheapflights users on 5/19. 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.
jue. 7/36:40 pmDCA - UVF
1 stop19h 35mAir Canada
mar. 7/83:10 pmUVF - DCA
2 stops19h 08mAir Canada
Deal found 5/19$496
This American Airlines deal was found by Cheapflights users on 5/19. 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.
sáb. 8/98:07 pmDCA - UVF
1 stop18h 02mAmerican Airlines
mié. 8/133:20 pmUVF - DCA
1 stop8h 10mAmerican Airlines
Deal found 5/19$567
This Mytrip deal was found by Cheapflights users on 5/19. 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.
jue. 7/36:00 amDCA - UVF
2 stops32h 15mMultiple Airlines
jue. 7/102:35 pmUVF - DCA
2 stops19h 43mMultiple Airlines
Deal found 5/19$622
This Mytrip deal was found by Cheapflights users on 5/19. 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.
jue. 7/1711:00 amDCA - SLU
2 stops32h 00mMultiple Airlines
lun. 7/2112:35 pmSLU - DCA
3 stops21h 43mMultiple Airlines
Deal found 5/19$884
This Delta deal was found by Cheapflights users on 5/19. 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.
mié. 6/46:00 amDCA - UVF
1 stop8h 06mDelta
mié. 6/113:36 pmUVF - DCA
1 stop8h 10mDelta
Deal found 5/19$922
This WestJet deal was found by Cheapflights users on 5/19. 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.
mar. 12/95:45 pmDCA - UVF
2 stops44h 03mWestJet
mar. 12/163:40 pmUVF - DCA
2 stops25h 45mWestJet
Deal found 5/19$3,522

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 mayo 20, 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

jue. 7/3

6:40 pm-2:15 pm

1 stop19h 35m

Castries Hewanorra

mar. 7/8

3:10 pm-6:02 pm

1 stop26h 52m

$496

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

sáb. 7/5

6:30 am-4:09 pm

1 stop9h 39m

Castries Hewanorra

sáb. 7/12

1:36 pm-10:59 pm

1 stop9h 23m

$499

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

sáb. 8/9

8:07 pm-2:09 pm

1 stop18h 02m

Castries Hewanorra

mié. 8/13

3:20 pm-11:30 pm

1 stop8h 10m

$567

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

jue. 7/3

6:00 am-2:15 pm

2 stops32h 15m

Castries Hewanorra

jue. 7/10

2:35 pm-10:18 am

2 stops19h 43m

$622

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

jue. 7/17

11:00 am-7:00 pm

2 stops32h 00m

Castries George F. L. Charle

lun. 7/21

12:35 pm-10:18 am

3 stops21h 43m

$884

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mié. 6/4

6:00 am-2:06 pm

1 stop8h 06m

Castries Hewanorra

mié. 6/11

3:36 pm-11:46 pm

1 stop8h 10m

$922

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

jue. 6/5

12:55 pm-2:15 pm

2 stops25h 20m

$140

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 6/10

6:09 am-1:49 pm

1 stop7h 40m

$189

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 7/15

6:00 am-2:00 pm

1 stop8h 00m

$363

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

mar. 6/10

12:55 pm-7:00 pm

3 stops30h 05m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 11 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 mayo 20, 2025.
Peruse reviews from past customers who have flown with Delta, JetBlue and American Airlines 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
7,951 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
7,951 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
7.3
Good
2,928 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
7,951 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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!
Air Canada
7.0
Good
9,375 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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.

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

    $140 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 Delta, with prices starting from $189 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 mayo 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$225Average$709FlexibilityNo cancel feeOn-time62%
DeltaCheapest$385Average$720FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$555Average$725FlexibilityNo cancel feeOn-time71%

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