What is the cheapest airline that flies from Washington, D.C. Reagan-National to Saint Lucia?

Delta and American Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Saint Lucia

What airlines fly to Saint Lucia?

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Saint Lucia from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 3 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?

As of December 2025, there are 3 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Saint Lucia.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Saint Lucia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The travel and health documents required for your trip to Saint Lucia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$123 Cheap Flights from Washington, D.C. Reagan-National Airport to Saint Lucia in 2025/26

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Saint Lucia

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:59 pm - 1:46 pm

DCA

UVF

16h 47m1 stop

4:06 pm - 11:34 pm

UVF

DCA

8h 28m1 stop

$347American Airlines

Sun, Jan 11 - Thu, Jan 15

10:10 pm - 3:03 pm

DCA

UVF

15h 53m2 stops

4:06 pm - 11:34 pm

UVF

DCA

8h 28m1 stop

$352American Airlines

Sun, Jan 11 - Thu, Jan 15

5:55 am - 3:03 pm

DCA

UVF

8h 08m1 stop

3:10 pm - 10:03 am

UVF

DCA

19h 53m1 stop

$353American Airlines

Mon, Feb 2 - Sat, Feb 7

7:59 pm - 2:50 pm

DCA

UVF

17h 51m1 stop

3:18 pm - 1:59 pm

UVF

DCA

22h 41m1 stop

$354American Airlines

Wed, Mar 4 - Mon, Mar 9

5:58 pm - 4:02 pm

DCA

UVF

21h 04m1 stop

5:02 pm - 9:00 am

UVF

DCA

16h 58m1 stop

$355American Airlines

Wed, Jan 21 - Wed, Jan 28

10:10 pm - 3:03 pm

DCA

UVF

15h 53m2 stops

4:06 pm - 11:34 pm

UVF

DCA

8h 28m1 stop

$357American Airlines

Thu, Feb 5 - Sun, Feb 8

10:10 pm - 3:03 pm

DCA

UVF

15h 53m2 stops

3:10 pm - 10:03 am

UVF

DCA

19h 53m1 stop

$358American Airlines

Mon, Feb 2 - Sat, Feb 7

7:59 pm - 1:46 pm

DCA

UVF

16h 47m1 stop

3:10 pm - 10:03 am

UVF

DCA

19h 53m1 stop

$378American Airlines

Sat, Jan 10 - Sat, Jan 17

11:05 am - 7:00 pm

DCA

SLU

30h 55m2 stops

7:30 am - 8:55 am

SLU

DCA

26h 25m2 stops

$858Multiple Airlines

Wed, Jan 14 - Tue, Jan 20

6:59 am - 7:00 pm

DCA

SLU

12h 01m2 stops

12:35 pm - 10:28 pm

SLU

DCA

33h 53m2 stops

$860Multiple Airlines

Thu, May 7 - Sun, May 10

American Airlines flights from Washington, D.C. Reagan-National Airport to Saint Lucia

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Saint Lucia flight tickets

American Airlines

Jan 11

DCA5:00 amWashington, D.C. Reagan-National

7h 46m

1 stop

UVF1:46 pmCastries Hewanorra

Jan 15

UVF2:46 pmCastries Hewanorra

10h 48m

1 stop

DCA12:34 amWashington, D.C. Reagan-National

$347

Find similar

American Airlines

Jan 11

DCA10:10 pmWashington, D.C. Reagan-National

15h 53m

2 stops

UVF3:03 pmCastries Hewanorra

Jan 15

UVF4:06 pmCastries Hewanorra

8h 28m

1 stop

DCA11:34 pmWashington, D.C. Reagan-National

$352

Find similar

American Airlines

Feb 2

DCA5:55 amWashington, D.C. Reagan-National

8h 08m

1 stop

UVF3:03 pmCastries Hewanorra

Feb 7

UVF3:10 pmCastries Hewanorra

19h 53m

1 stop

DCA10:03 amWashington, D.C. Reagan-National

$353

Find similar

JetBlue flights from Washington, D.C. Reagan-National Airport to Saint Lucia

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Saint Lucia flight tickets

JetBlue

Jan 24

DCA3:55 pmWashington, D.C. Reagan-National

22h 46m

2 stops

UVF3:41 pmCastries Hewanorra

Jan 31

UVF2:29 pmCastries Hewanorra

9h 30m

1 stop

DCA10:59 pmWashington, D.C. Reagan-National

$468

Find similar

JetBlue

Feb 4

DCA6:00 amWashington, D.C. Reagan-National

8h 53m

1 stop

UVF3:53 pmCastries Hewanorra

Feb 8

UVF4:40 pmCastries Hewanorra

21h 39m

2 stops

DCA1:19 pmWashington, D.C. Reagan-National

$517

Find similar

JetBlue

Feb 5

DCA5:20 pmWashington, D.C. Reagan-National

20h 55m

2 stops

UVF3:15 pmCastries Hewanorra

Feb 8

UVF4:40 pmCastries Hewanorra

21h 39m

2 stops

DCA1:19 pmWashington, D.C. Reagan-National

$570

Find similar

momondo 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

Sun 1/11

7:59 pm-1:46 pm

1 stop16h 47m

Castries Hewanorra

Thu 1/15

4:06 pm-11:34 pm

1 stop8h 28m

$347

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sun 1/11

10:10 pm-3:03 pm

2 stops15h 53m

Castries Hewanorra

Thu 1/15

4:06 pm-11:34 pm

1 stop8h 28m

$352

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 2/2

5:55 am-3:03 pm

1 stop8h 08m

Castries Hewanorra

Sat 2/7

3:10 pm-10:03 am

1 stop19h 53m

$353

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 3/4

7:59 pm-2:50 pm

1 stop17h 51m

Castries Hewanorra

Mon 3/9

3:18 pm-1:59 pm

1 stop22h 41m

$354

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 1/21

5:58 pm-4:02 pm

1 stop21h 04m

Castries Hewanorra

Wed 1/28

5:02 pm-9:00 am

1 stop16h 58m

$355

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 2/5

10:10 pm-3:03 pm

2 stops15h 53m

Castries Hewanorra

Sun 2/8

4:06 pm-11:34 pm

1 stop8h 28m

$357

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 2/2

10:10 pm-3:03 pm

2 stops15h 53m

Castries Hewanorra

Sat 2/7

3:10 pm-10:03 am

1 stop19h 53m

$358

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 1/10

7:59 pm-1:46 pm

1 stop16h 47m

Castries Hewanorra

Sat 1/17

3:10 pm-10:03 am

1 stop19h 53m

$378

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Wed 1/14

11:05 am-7:00 pm

2 stops30h 55m

Castries George F. L. Charle

Tue 1/20

7:30 am-8:55 am

2 stops26h 25m

$858

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Thu 5/7

6:59 am-7:00 pm

2 stops12h 01m

Castries George F. L. Charle

Sun 5/10

12:35 pm-10:28 pm

2 stops33h 53m

$860

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Tuesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $643. On the other hand, Saturday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $768.

Cheap Washington, D.C. Reagan-National Airport to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Saint Lucia

Fastest flight time	8h 21m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Saint Lucia takes 8h 21m

There are no direct flights from Washington, D.C. Reagan-National Airport to Saint Lucia. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Saint Lucia.

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?
Prices for flights from Washington, D.C. Reagan-National Airport to Saint Lucia were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?
As of December 2025, there are 3 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Saint Lucia.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents required for your trip to Saint Lucia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Washington, D.C. Reagan-National Airport to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $225	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Delta	PriceFrom $385	Free Cancellation	Rating 7.9 8,017 reviews	Search Delta flights
American Airlines	PriceFrom $567	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Saint Lucia?

It is quick and easy to find Washington, D.C. to Saint Lucia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.

Can I find flights from Washington, D.C. to Saint Lucia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Lucia from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Saint Lucia?

Once you have performed a search for Washington, D.C. to Saint Lucia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Saint Lucia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Saint Lucia trip

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Popular cities in Saint Lucia

Flights to Castriesfrom $462

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Cheap flights from Washington, D.C. Reagan-National Airport to Saint Lucia from $123

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Saint Lucia

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American Airlines flights from Washington, D.C. Reagan-National Airport to Saint Lucia

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Saint Lucia flight tickets

JetBlue flights from Washington, D.C. Reagan-National Airport to Saint Lucia

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Saint Lucia flight tickets

momondo 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.

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Saint Lucia

What is the cheapest day to depart on your flight to Saint Lucia?

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Saint Lucia?

Delta and American Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Saint Lucia

What airlines fly to Saint Lucia?

Cheap Washington, D.C. Reagan-National Airport to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Saint Lucia

Fastest flight time

Direct flights

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Saint Lucia?

What documentation or ID do you need to fly to Saint Lucia?

Best airlines flying from Washington, D.C. Reagan-National Airport to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Saint Lucia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Saint Lucia?

Can I find flights from Washington, D.C. to Saint Lucia with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Saint Lucia?

I’m not ready to book a flight from Washington, D.C. to Saint Lucia right now. Can momondo alert me if prices change?

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo