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

Air Canada is the most popular carrier operating from Washington, D.C. Reagan-National to Saint Lucia

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

As of May 2026, there are 2 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.

$152 Cheap Flights from Washington, D.C. Reagan-National Airport to Saint Lucia in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 2:10 pm

DCA

UVF

32h 10m

2 stops

3:15 pm - 6:12 pm

UVF

DCA

26h 57m

1 stop

$388Air Canada

Mon, Jun 15 - Fri, Jun 19

12:45 pm - 2:10 pm

DCA

UVF

25h 25m

2 stops

3:05 pm - 7:58 pm

UVF

DCA

28h 53m

1 stop

$394Air Canada

Thu, Jun 4 - Tue, Jun 9

12:45 pm - 2:10 pm

DCA

UVF

25h 25m

2 stops

3:05 pm - 9:55 pm

UVF

DCA

30h 50m

2 stops

$398Air Canada

Thu, Jun 4 - Tue, Jun 9

4:20 pm - 2:10 pm

DCA

UVF

21h 50m

2 stops

3:15 pm - 8:52 am

UVF

DCA

17h 37m

1 stop

$402Air Canada

Mon, Jun 1 - Tue, Jun 23

12:45 pm - 2:10 pm

DCA

UVF

25h 25m

2 stops

3:15 pm - 12:00 pm

UVF

DCA

20h 45m

2 stops

$416Air Canada

Mon, Jun 15 - Fri, Jun 19

6:55 pm - 2:10 pm

DCA

UVF

19h 15m

1 stop

3:15 pm - 12:00 pm

UVF

DCA

20h 45m

2 stops

$426Air Canada

Mon, Jun 1 - Tue, Jun 23

4:20 pm - 2:10 pm

DCA

UVF

21h 50m

2 stops

3:15 pm - 12:00 pm

UVF

DCA

20h 45m

2 stops

$430Air Canada

Mon, Jun 1 - Tue, Jun 23

6:55 pm - 2:10 pm

DCA

UVF

19h 15m

1 stop

3:15 pm - 7:57 pm

UVF

DCA

28h 42m

1 stop

$448Air Canada

Mon, Jun 1 - Tue, Jun 23

6:55 pm - 7:00 pm

DCA

SLU

24h 05m

2 stops

12:35 pm - 10:31 pm

SLU

DCA

33h 56m

2 stops

$887Multiple Airlines

Fri, Jun 19 - Sun, Jun 21

6:59 am - 7:00 pm

DCA

SLU

12h 01m

2 stops

3:45 pm - 10:28 pm

SLU

DCA

54h 43m

2 stops

$925Multiple Airlines

Thu, Jun 4 - Sun, Jun 7

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

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

Air Canada

Jun 15

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

32h 10m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:15 pmCastries Hewanorra

26h 57m

1 stop

DCA6:12 pmWashington, D.C. Reagan-National

$388

Air Canada

Jun 4

DCA12:45 pmWashington, D.C. Reagan-National

25h 25m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 9

UVF3:05 pmCastries Hewanorra

28h 53m

1 stop

DCA7:58 pmWashington, D.C. Reagan-National

$394

Air Canada

Jun 4

DCA12:45 pmWashington, D.C. Reagan-National

25h 25m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 9

UVF3:05 pmCastries Hewanorra

30h 50m

2 stops

DCA9:55 pmWashington, D.C. Reagan-National

$398

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

Aug 26

DCA6:20 amWashington, D.C. Reagan-National

8h 46m

1 stop

UVF3:06 pmCastries Hewanorra

Sep 1

UVF1:59 pmCastries Hewanorra

9h 00m

1 stop

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

$560

JetBlue

Jun 26

DCA6:15 amWashington, D.C. Reagan-National

9h 07m

1 stop

UVF3:22 pmCastries Hewanorra

Jun 30

UVF1:50 pmCastries Hewanorra

9h 09m

1 stop

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

$565

JetBlue

Jul 6

DCA6:20 amWashington, D.C. Reagan-National

8h 57m

1 stop

UVF3:17 pmCastries Hewanorra

Jul 11

UVF4:32 pmCastries Hewanorra

30h 26m

1 stop

DCA10:58 pmWashington, D.C. Reagan-National

$578

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

Cheapest round-trip

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/15

6:00 am-2:10 pm

2 stops32h 10m

Castries Hewanorra

Fri 6/19

3:15 pm-6:12 pm

1 stop26h 57m

$388

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 6/4

12:45 pm-2:10 pm

2 stops25h 25m

Castries Hewanorra

Tue 6/9

3:05 pm-7:58 pm

1 stop28h 53m

$394

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 6/4

12:45 pm-2:10 pm

2 stops25h 25m

Castries Hewanorra

Tue 6/9

3:05 pm-9:55 pm

2 stops30h 50m

$398

Quickest round-trip

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/1

4:20 pm-2:10 pm

2 stops21h 50m

Castries Hewanorra

Tue 6/23

3:15 pm-8:52 am

1 stop17h 37m

$402

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/15

12:45 pm-2:10 pm

2 stops25h 25m

Castries Hewanorra

Fri 6/19

3:15 pm-12:00 pm

2 stops20h 45m

$416

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/1

6:55 pm-2:10 pm

1 stop19h 15m

Castries Hewanorra

Tue 6/23

3:15 pm-12:00 pm

2 stops20h 45m

$426

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/1

4:20 pm-2:10 pm

2 stops21h 50m

Castries Hewanorra

Tue 6/23

3:15 pm-12:00 pm

2 stops20h 45m

$430

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/1

6:55 pm-2:10 pm

1 stop19h 15m

Castries Hewanorra

Tue 6/23

3:15 pm-7:57 pm

1 stop28h 42m

$448

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Fri 6/19

6:55 pm-7:00 pm

2 stops24h 05m

Castries George F. L. Charle

Sun 6/21

12:35 pm-10:31 pm

2 stops33h 56m

$887

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Thu 6/4

6:59 am-7:00 pm

2 stops12h 01m

Castries George F. L. Charle

Sun 6/7

3:45 pm-10:28 pm

2 stops54h 43m

$925

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 month to fly to Saint Lucia?

The month of November is, on average, the cheapest month to fly to Saint Lucia from Washington, D.C. Reagan-National Airport, with most prices found around $179. If you aren’t able to travel to Saint Lucia during the month of November, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $241.

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	7h 16m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Saint Lucia takes 7h 16m

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.

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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Saint Lucia

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 May 2026, there are 2 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 $179	Free Cancellation	Rating 7.2 2,981 reviews		Search JetBlue flights
American Airlines	PriceFrom $517	Free Cancellation	Rating 7.1 11,642 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.

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Flights to Castriesfrom $540

Cheap flights from Washington, D.C. Reagan-National Airport to Saint Lucia from $161

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

Our best Air Canada 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

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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 month to fly to Saint Lucia?

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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport 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?

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

Washington, D.C. Reagan-National Airport flight routes

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List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

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