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Saint Lucia

$161+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — UVF
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$481
(Air Canada)

One-way from

$161
(Air Canada)

Popular in

December

Cheapest in

January

Average price

$697
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 ($99 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 March 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 March 31, 2025.

This Air Canada deal was found by Cheapflights users on 3/29. 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.
Mon 6/168:40 pmDCA - UVF
1 stop17h 35mAir Canada
Fri 6/203:10 pmUVF - DCA
1 stop17h 42mAir Canada
Deal found 3/29$481
This Delta deal was found by Cheapflights users on 3/31. 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 5/136:00 amDCA - UVF
1 stop8h 06mDelta
Tue 5/203:26 pmUVF - DCA
1 stop8h 17mDelta
Deal found 3/31$567
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/286:40 amDCA - UVF
1 stop7h 31mAmerican Airlines
Wed 6/43:14 pmUVF - DCA
2 stops15h 45mAmerican Airlines
Deal found 3/30$572
This JetBlue Airways deal was found by Cheapflights users on 3/31. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:09 amDCA - UVF
1 stop7h 40mJetBlue
Sat 5/1012:25 pmUVF - DCA
1 stop10h 33mJetBlue
Deal found 3/31$573
This Mytrip deal was found by Cheapflights users on 3/31. 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 7/912:55 pmDCA - UVF
2 stops49h 20mMultiple Airlines
Sun 7/132:35 pmUVF - DCA
2 stops31h 13mMultiple Airlines
Deal found 3/31$813
This Mytrip deal was found by Cheapflights users on 3/31. 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 5/16:59 amDCA - SLU
2 stops28h 31mMultiple Airlines
Sun 5/412:30 pmSLU - DCA
3 stops33h 23mMultiple Airlines
Deal found 3/31$932
This WestJet deal was found by Cheapflights users on 3/31. 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 4/511:38 amDCA - UVF
2 stops26h 06mWestJet
Thu 4/102:40 pmUVF - DCA
2 stops27h 47mWestJet
Deal found 3/31$3,058

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 March 31, 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 6/16

8:40 pm-2:15 pm

1 stop17h 35m

Castries Hewanorra

Fri 6/20

3:10 pm-10:18 am

2 stops19h 08m

$481

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 5/13

6:00 am-2:06 pm

1 stop8h 06m

Castries Hewanorra

Tue 5/20

3:26 pm-11:43 pm

1 stop8h 17m

$567

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 5/28

6:40 am-2:11 pm

1 stop7h 31m

Castries Hewanorra

Wed 6/4

3:14 pm-6:59 am

2 stops15h 45m

$572

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 5/6

6:09 am-1:49 pm

1 stop7h 40m

Castries Hewanorra

Sat 5/10

12:25 pm-10:58 pm

1 stop10h 33m

$573

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Thu 5/1

6:59 am-11:30 am

2 stops28h 31m

Castries George F. L. Charle

Sun 5/4

12:30 pm-9:53 pm

3 stops33h 23m

$932

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 4/5

11:38 am-1:44 pm

2 stops26h 06m

Castries Hewanorra

Thu 4/10

2:40 pm-6:27 pm

2 stops27h 47m

$3,058

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sun 4/20

4:10 pm-2:45 pm

2 stops22h 35m

$161

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 4/21

10:22 pm-2:28 pm

1 stop16h 06m

$318

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Fri 4/4

6:00 am-2:04 pm

1 stop8h 04m

$483

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Fri 4/4

7:45 pm-1:44 pm

2 stops41h 59m

$1,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March 31, 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
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
2,789 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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.
Air Canada
7.0
Good
9,001 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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?

    $161 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 American Airlines and Delta, with prices starting from $318 and $483, 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 2 airlines flying from Reagan-National to Saint Lucia

Discover the top 2 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$560Average$726FlexibilityNo cancel feeOn-time71%
DeltaCheapest$590Average$720FlexibilityNo cancel feeOn-timeN/A
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