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

$311 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 $351 and $414, respectively.

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Saint Lucia?

American Airlines, JetBlue and Delta are the most popular airlines when flying from Washington, D.C. Reagan-National Airport to Saint Lucia.

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

January can be a great time to fly to Saint Lucia from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $757. Cheapflights users have found deals in the month of January for as cheap as $571. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from DCA to LC?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Saint Lucia as you normally would.

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.

$996+ Flights from Washington, D.C. Reagan-National Airport to Saint Lucia

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Cheap flight deals from Reagan-National to Saint Lucia

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$428 (Priceline)
One-way from	$311 (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 29, 2025.

Thu 5/298:40 pmDCA - UVF

1 stop17h 35mAir Canada

Tue 6/103:10 pmUVF - DCA

2 stops24h 39mAir Canada

Deal found 4/29

$428

Fri 9/56:30 amDCA - UVF

1 stop7h 29mJetBlue

Wed 9/103:05 pmUVF - DCA

1 stop7h 54mJetBlue

Deal found 4/29

$495

Tue 12/95:05 amDCA - UVF

1 stop8h 15mAmerican Airlines

Tue 12/164:20 pmUVF - DCA

1 stop8h 39mAmerican Airlines

Deal found 4/29

$567

Thu 6/198:40 pmDCA - UVF

1 stop17h 35mMultiple Airlines

Sun 6/222:35 pmUVF - DCA

1 stop18h 17mMultiple Airlines

Deal found 4/29

$710

Sat 5/106:00 amDCA - UVF

1 stop8h 06mDelta

Thu 5/153:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$796

Fri 5/3011:00 amDCA - SLU

2 stops35h 10mMultiple Airlines

Thu 6/512:35 pmSLU - DCA

2 stops20h 18mMultiple Airlines

Deal found 4/29

$860

Fri 5/96:55 pmDCA - UVF

2 stops42h 50mWestJet

Sun 5/182:35 pmUVF - DCA

2 stops28h 24mWestJet

Deal found 4/29

$3,515

Best flights from Reagan-National to Saint Lucia
Discover carefully curated flight deals from Reagan-National to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Thu 5/298:40 pmDCA - UVF

1 stop17h 35mAir Canada

Tue 6/103:10 pmUVF - DCA

2 stops24h 39mAir Canada

Deal found 4/29

$428

Fri 9/56:30 amDCA - UVF

1 stop7h 29mJetBlue

Wed 9/103:05 pmUVF - DCA

1 stop7h 54mJetBlue

Deal found 4/29

$495

Sat 8/28:05 pmDCA - UVF

1 stop17h 55mAmerican Airlines

Fri 8/83:15 pmUVF - DCA

1 stop18h 09mAmerican Airlines

Deal found 4/29

$567

Thu 6/198:40 pmDCA - UVF

1 stop17h 35mMultiple Airlines

Sun 6/222:35 pmUVF - DCA

1 stop18h 17mMultiple Airlines

Deal found 4/29

$710

Sat 5/106:00 amDCA - UVF

1 stop8h 06mDelta

Thu 5/153:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$796

Fri 5/3011:00 amDCA - SLU

2 stops35h 10mMultiple Airlines

Thu 6/512:35 pmSLU - DCA

2 stops20h 18mMultiple Airlines

Deal found 4/29

$860

Fri 5/96:55 pmDCA - UVF

2 stops42h 50mWestJet

Sun 5/182:35 pmUVF - DCA

2 stops28h 24mWestJet

Deal found 4/29

$3,515

Last-minute flights from Reagan-National to Saint Lucia
Discover last-minute flight deals from Reagan-National to Saint Lucia. Data last updated April 29, 2025 and is based on user searches.

Sun 5/49:40 amDCA - SLU

3 stops31h 50mMultiple Airlines

Fri 5/912:15 pmSLU - DCA

3 stops27h 34mMultiple Airlines

Deal found 4/29

$1,092

Tue 5/66:09 amDCA - UVF

1 stop7h 40mJetBlue

Sat 5/1012:25 pmUVF - DCA

1 stop10h 33mJetBlue

Deal found 4/29

$723

Wed 5/76:00 amDCA - UVF

1 stop8h 06mDelta

Mon 5/123:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/29

$1,495

Fri 5/95:00 amDCA - UVF

1 stop9h 11mAmerican Airlines

Wed 5/143:14 pmUVF - DCA

1 stop17h 29mAmerican Airlines

Deal found 4/29

$817

Fri 5/96:55 pmDCA - UVF

2 stops42h 50mWestJet

Sun 5/182:35 pmUVF - DCA

2 stops28h 24mWestJet

Deal found 4/29

$3,515

Sat 5/106:00 amDCA - UVF

1 stop8h 06mDelta

Thu 5/153:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$796

Tue 5/136:09 amDCA - UVF

1 stop7h 40mJetBlue

Sat 5/1712:25 pmUVF - DCA

1 stop10h 33mJetBlue

Deal found 4/29

$531

Sun 5/254:35 pmDCA - UVF

2 stops45h 40mMultiple Airlines

Sun 6/12:35 pmUVF - DCA

2 stops31h 18mMultiple Airlines

Deal found 4/29

$1,032

Wed 5/285:00 amDCA - UVF

1 stop9h 11mAmerican Airlines

Wed 6/43:14 pmUVF - DCA

1 stop8h 45mAmerican Airlines

Deal found 4/29

$607

Thu 5/298:40 pmDCA - UVF

1 stop17h 35mAir Canada

Tue 6/103:10 pmUVF - DCA

2 stops24h 39mAir Canada

Deal found 4/29

$428

Fri 5/3011:00 amDCA - SLU

2 stops35h 10mMultiple Airlines

Thu 6/512:35 pmSLU - DCA

2 stops20h 18mMultiple Airlines

Deal found 4/29

$860

One-way flights from Reagan-National to Saint Lucia
Search for one-way flight options from Reagan-National to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Fri 5/96:09 amDCA - UVF

1 stop7h 40mJetBlue

Deal found 4/29

$311

Sat 5/106:59 amDCA - UVF

1 stop7h 07mDelta

Deal found 4/29

$351

Sat 5/1010:15 pmDCA - UVF

2 stops15h 19mAmerican Airlines

Deal found 4/29

$414

Fri 5/911:00 amDCA - UVF

3 stops50h 45mWestJet

Deal found 4/29

$700

Fri 6/68:40 pmDCA - SLU

3 stops39h 05mMultiple Airlines

Deal found 4/29

$1,081

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 5/29

8:40 pm-2:15 pm

1 stop17h 35m

Castries Hewanorra

Tue 6/10

3:10 pm-3:49 pm

2 stops24h 39m

$428

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Fri 9/5

6:30 am-1:59 pm

1 stop7h 29m

Castries Hewanorra

Wed 9/10

3:05 pm-10:59 pm

1 stop7h 54m

$495

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 8/2

8:05 pm-2:00 pm

1 stop17h 55m

Castries Hewanorra

Fri 8/8

3:15 pm-9:24 am

1 stop18h 09m

$567

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 6/19

8:40 pm-2:15 pm

1 stop17h 35m

Castries Hewanorra

Sun 6/22

2:35 pm-8:52 am

1 stop18h 17m

$710

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 5/10

6:00 am-2:06 pm

1 stop8h 06m

Castries Hewanorra

Thu 5/15

3:26 pm-11:43 pm

1 stop8h 17m

$796

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Fri 5/30

11:00 am-10:10 pm

2 stops35h 10m

Castries George F. L. Charle

Thu 6/5

12:35 pm-8:53 am

2 stops20h 18m

$860

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Fri 5/9

6:55 pm-1:45 pm

2 stops42h 50m

Castries Hewanorra

Sun 5/18

2:35 pm-6:59 pm

2 stops28h 24m

$3,515

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 5/13

6:09 am-1:49 pm

1 stop7h 40m

$218

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 5/10

6:59 am-2:06 pm

1 stop7h 07m

$351

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 5/13

5:00 am-1:34 pm

2 stops8h 34m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 14 results

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

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

7,929 reviews

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

7,929 reviews

Delta

8.0

Very good

7,929 reviews

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

2,922 reviews

Delta

8.0

Very good

7,929 reviews

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

7,929 reviews

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

2,823 reviews

Delta

8.0

Very good

7,929 reviews

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

9,244 reviews

Delta

8.0

Very good

7,929 reviews

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

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Saint Lucia one-way?
$311 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 $351 and $414, 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

Alternative routes for Reagan-National to Saint Lucia

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Dulles Intl to Nassau flights

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Reagan-National to Saint Thomas Island flights

Baltimore to Saint Thomas Island flights

Baltimore to Nassau flights

Dulles Intl to Providenciales flights

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Reagan-National to Oranjestad flights

Baltimore to Santo Domingo flights

Dulles Intl to Santo Domingo flights

Dulles Intl to Simpson Bay flights

Baltimore to Simpson Bay flights

Reagan-National to Providenciales flights

Dulles Intl to Willemstad flights

Baltimore to Castries flights

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Reagan-National to Castries flights

Reagan-National to Bridgetown flights

Reagan-National to Simpson Bay flights

Reagan-National to Santo Domingo flights

Dulles Intl to Bridgetown flights

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Reagan-National to Port of Spain flights

Baltimore to Willemstad flights

Dulles Intl to George Town flights

Dulles Intl to Port of Spain flights

Dulles Intl to Kingston flights

Baltimore to George Town flights

Baltimore to Kingston flights

Dulles Intl to St. John's flights

Reagan-National to Puerto Plata flights

Reagan-National to Kingston flights

Reagan-National to Christiansted flights

Baltimore to Port of Spain flights

Baltimore to Christiansted flights

Reagan-National to George Town flights

Dulles Intl to Christiansted flights

Top 3 airlines flying from Reagan-National to Saint Lucia

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$313	Average$709	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$391	Average$720	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$555	Average$725	FlexibilityNo cancel fee	On-time71%

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$218+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Saint Lucia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Saint Lucia

Cheapest flights from Reagan-National to Saint LuciaExplore 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 29, 2025.

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 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Saint Lucia that are best for you.

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.

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?

Reviews of airlines servicing Saint Lucia

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Reagan-National to Saint Lucia

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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 29, 2025.