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

American Airlines, JetBlue, and Air Canada 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 77% 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 November 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.

$181 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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 3:15 pmDCA-UVF

8h 00m1 stop

1:40 pm - 10:59 pmUVF-DCA

10h 19m1 stop

$430JetBlue

Find Deal

dom., feb. 8 - sáb., feb. 14

7:59 pm - 2:50 pmDCA-UVF

17h 51m1 stop

3:50 pm - 8:58 amUVF-DCA

17h 08m1 stop

$463American Airlines

Find Deal

mar., mar. 3 - mié., mar. 11

6:59 am - 4:25 pmDCA-UVF

8h 26m1 stop

5:15 pm - 8:55 amUVF-DCA

16h 40m1 stop

$466Air Canada

Find Deal

lun., dic. 8 - mié., dic. 17

10:10 pm - 2:50 pmDCA-UVF

15h 40m2 stops

2:20 pm - 11:59 pmUVF-DCA

9h 39m1 stop

$468American Airlines

Find Deal

mar., mar. 3 - mié., mar. 11

7:59 pm - 1:46 pmDCA-UVF

16h 47m1 stop

3:10 pm - 10:03 amUVF-DCA

19h 53m1 stop

$470American Airlines

Find Deal

sáb., ene. 31 - sáb., feb. 7

10:10 pm - 3:03 pmDCA-UVF

15h 53m2 stops

2:46 pm - 12:34 amUVF-DCA

10h 48m1 stop

$473American Airlines

Find Deal

jue., ene. 29 - dom., feb. 1

6:00 am - 2:57 pmDCA-UVF

7h 57m1 stop

4:10 pm - 8:05 amUVF-DCA

16h 55m1 stop

$481JetBlue

Find Deal

lun., dic. 8 - sáb., dic. 13

8:40 pm - 4:20 pmDCA-UVF

18h 40m1 stop

5:15 pm - 6:05 pmUVF-DCA

25h 50m1 stop

$488Air Canada

Find Deal

mar., dic. 2 - mié., dic. 10

6:00 am - 3:05 pmDCA-UVF

8h 05m1 stop

4:24 pm - 9:12 amUVF-DCA

17h 48m1 stop

$519Delta

Find Deal

dom., feb. 8 - jue., feb. 12

8:40 pm - 3:36 pmDCA-UVF

17h 56m1 stop

4:56 pm - 9:10 amUVF-DCA

17h 14m1 stop

$525Delta

Find Deal

jue., dic. 4 - jue., dic. 11

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

Feb 8

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

8h 00m

1 stop

UVF3:15 pmCastries Hewanorra

Feb 14

UVF1:40 pmCastries Hewanorra

10h 19m

1 stop

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

$430

Find similar

JetBlue

Dec 8

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

7h 57m

1 stop

UVF2:57 pmCastries Hewanorra

Dec 13

UVF4:10 pmCastries Hewanorra

16h 55m

1 stop

DCA8:05 amWashington, D.C. Reagan-National

$481

Find similar

JetBlue

Jan 8

DCA7:00 amWashington, D.C. Reagan-National

31h 43m

2 stops

UVF3:43 pmCastries Hewanorra

Jan 14

UVF4:40 pmCastries Hewanorra

21h 39m

2 stops

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

$487

Find similar

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

Mar 3

DCA7:59 pmWashington, D.C. Reagan-National

17h 51m

1 stop

UVF2:50 pmCastries Hewanorra

Mar 11

UVF3:50 pmCastries Hewanorra

17h 08m

1 stop

DCA8:58 amWashington, D.C. Reagan-National

$463

Find similar

American Airlines

Mar 3

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

15h 40m

2 stops

UVF2:50 pmCastries Hewanorra

Mar 11

UVF2:20 pmCastries Hewanorra

9h 39m

1 stop

DCA11:59 pmWashington, D.C. Reagan-National

$468

Find similar

American Airlines

Jan 31

DCA7:59 pmWashington, D.C. Reagan-National

16h 47m

1 stop

UVF1:46 pmCastries Hewanorra

Feb 7

UVF3:10 pmCastries Hewanorra

19h 53m

1 stop

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

$470

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

dom. 2/8

6:15 am-3:15 pm

1 stop8h 00m

Castries Hewanorra

sáb. 2/14

1:40 pm-10:59 pm

1 stop10h 19m

$430

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 3/3

7:59 pm-2:50 pm

1 stop17h 51m

Castries Hewanorra

mié. 3/11

3:50 pm-8:58 am

1 stop17h 08m

$463

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

lun. 12/8

6:59 am-4:25 pm

1 stop8h 26m

Castries Hewanorra

mié. 12/17

5:15 pm-8:55 am

1 stop16h 40m

$466

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 3/3

10:10 pm-2:50 pm

2 stops15h 40m

Castries Hewanorra

mié. 3/11

2:20 pm-11:59 pm

1 stop9h 39m

$468

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

sáb. 1/31

7:59 pm-1:46 pm

1 stop16h 47m

Castries Hewanorra

sáb. 2/7

3:10 pm-10:03 am

1 stop19h 53m

$470

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

jue. 1/29

10:10 pm-3:03 pm

2 stops15h 53m

Castries Hewanorra

dom. 2/1

2:46 pm-12:34 am

1 stop10h 48m

$473

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

lun. 12/8

6:00 am-2:57 pm

1 stop7h 57m

Castries Hewanorra

sáb. 12/13

4:10 pm-8:05 am

1 stop16h 55m

$481

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

mar. 12/2

8:40 pm-4:20 pm

1 stop18h 40m

Castries Hewanorra

mié. 12/10

5:15 pm-6:05 pm

1 stop25h 50m

$488

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

dom. 2/8

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

jue. 2/12

4:24 pm-9:12 am

1 stop17h 48m

$519

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

jue. 12/4

8:40 pm-3:36 pm

1 stop17h 56m

Castries Hewanorra

jue. 12/11

4:56 pm-9:10 am

1 stop17h 14m

$525

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

Direct flights	None

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 November 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 $179	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
Delta	PriceFrom $385	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
American Airlines	PriceFrom $567	Free Cancellation	Rating 7.2 11,038 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

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.

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Popular cities in Saint Lucia

Flights to Castriesfrom $462

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

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Flights from Washington, D.C. Reagan-National to New York LaGuardia

Flights from Washington, D.C. Reagan-National to Boston Logan Intl

Cheap flights from Washington, D.C. Reagan-National Airport to Saint Lucia from $181

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Big names and deals

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

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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

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

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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.

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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

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?

American Airlines, JetBlue, and Air Canada 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

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