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

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

How long is the flight from Washington, D.C. to Saint Lucia?

The flight from Washington, D.C. to Saint Lucia depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to Castries (the most popular airport in Saint Lucia), then the flight time is 7h 04m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Castries, then the average flight time is 7h 06m.

What airlines fly to Saint Lucia?

American Airlines, Delta and JetBlue are the top three most popular airlines that fly to Saint Lucia from Washington, D.C. 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.

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

Prices for flights from Washington, D.C. to Saint Lucia were last updated today.

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

As of November 2025, there are 3 operators available to choose from for flights from Washington, D.C. to Saint Lucia.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Saint Lucia.

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

The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$151 Cheap Flights from Washington, D.C. to Saint Lucia in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 2:50 pmDCA-UVF

8h 50m1 stop

2:20 pm - 11:07 pmUVF-DCA

8h 47m1 stop

$407American Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 11

7:04 am - 3:03 pmIAD-UVF

6h 59m1 stop

4:24 pm - 11:59 pmUVF-IAD

8h 35m1 stop

$407American Airlines

Find Deal

Sun, Feb 8 - Thu, Feb 12

6:15 am - 4:06 pmDCA-UVF

8h 51m1 stop

2:45 pm - 10:47 pmUVF-DCA

9h 02m1 stop

$408JetBlue

Find Deal

Sat, Dec 27 - Sat, Jan 10

6:45 am - 2:54 pmDCA-UVF

7h 09m1 stop

4:53 pm - 9:14 amUVF-DCA

17h 21m2 stops

$412American Airlines

Find Deal

Sat, Nov 29 - Sat, Dec 6

7:01 am - 3:03 pmIAD-UVF

7h 02m1 stop

3:50 pm - 8:42 amUVF-IAD

17h 52m2 stops

$412American Airlines

Find Deal

Mon, Feb 9 - Fri, Feb 13

5:00 am - 4:02 pmDCA-UVF

10h 02m1 stop

2:20 pm - 8:58 amUVF-DCA

18h 38m1 stop

$416American Airlines

Find Deal

Wed, Mar 4 - Tue, Mar 10

6:00 am - 4:00 pmDCA-UVF

9h 00m1 stop

4:23 pm - 12:58 pmUVF-DCA

20h 35m2 stops

$457JetBlue

Find Deal

Wed, Mar 4 - Tue, Mar 10

6:00 am - 3:04 pmIAD-UVF

8h 04m1 stop

3:24 pm - 12:07 amUVF-IAD

8h 43m1 stop

$463Delta

Find Deal

Tue, Mar 3 - Wed, Mar 11

5:40 am - 3:15 pmBWI-SLU

32h 35m2 stops

10:15 am - 6:55 pmSLU-BWI

33h 40m2 stops

$725Multiple Airlines

Find Deal

Thu, Nov 27 - Wed, Dec 3

10:11 am - 11:30 amBWI-SLU

24h 19m2 stops

12:30 pm - 7:01 pmSLU-BWI

30h 31m2 stops

$865Multiple Airlines

Find Deal

Thu, Mar 5 - Sun, Mar 8

American Airlines flights from Washington, D.C. to Saint Lucia

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

American Airlines

Feb 8

IAD7:04 amWashington, D.C. Dulles Intl

6h 59m

1 stop

UVF3:03 pmCastries Hewanorra

Feb 12

UVF4:24 pmCastries Hewanorra

8h 35m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$407

Find similar

American Airlines

Nov 29

DCA6:45 amWashington, D.C. Reagan-National

7h 09m

1 stop

UVF2:54 pmCastries Hewanorra

Dec 6

UVF4:53 pmCastries Hewanorra

17h 21m

2 stops

DCA9:14 amWashington, D.C. Reagan-National

$412

Find similar

American Airlines

Mar 4

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

10h 02m

1 stop

UVF4:02 pmCastries Hewanorra

Mar 10

UVF2:20 pmCastries Hewanorra

18h 38m

1 stop

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

$416

Find similar

Delta flights from Washington, D.C. to Saint Lucia

Our best Delta deals on Washington, D.C. to Saint Lucia flight tickets

Delta

Mar 3

IAD6:00 amWashington, D.C. Dulles Intl

8h 04m

1 stop

UVF3:04 pmCastries Hewanorra

Mar 11

UVF3:24 pmCastries Hewanorra

8h 43m

1 stop

IAD12:07 amWashington, D.C. Dulles Intl

$463

Find similar

Delta

Nov 14

IAD6:00 amWashington, D.C. Dulles Intl

8h 39m

1 stop

UVF3:39 pmCastries Hewanorra

Nov 17

UVF4:59 pmCastries Hewanorra

8h 17m

1 stop

IAD12:16 amWashington, D.C. Dulles Intl

$485

Find similar

Delta

Mar 23

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

8h 04m

1 stop

UVF2:04 pmCastries Hewanorra

Mar 24

UVF3:24 pmCastries Hewanorra

17h 50m

1 stop

DCA9:14 amWashington, D.C. Reagan-National

$491

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. 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

Tue 3/3

5:00 am-2:50 pm

1 stop8h 50m

Castries Hewanorra

Wed 3/11

2:20 pm-11:07 pm

1 stop8h 47m

$407

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 2/8

7:04 am-3:03 pm

1 stop6h 59m

Castries Hewanorra

Thu 2/12

4:24 pm-11:59 pm

1 stop8h 35m

$407

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 12/27

6:15 am-4:06 pm

1 stop8h 51m

Castries Hewanorra

Sat 1/10

2:45 pm-10:47 pm

1 stop9h 02m

$408

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 11/29

6:45 am-2:54 pm

1 stop7h 09m

Castries Hewanorra

Sat 12/6

4:53 pm-9:14 am

2 stops17h 21m

$412

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 2/9

7:01 am-3:03 pm

1 stop7h 02m

Castries Hewanorra

Fri 2/13

3:50 pm-8:42 am

2 stops17h 52m

$412

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 3/4

5:00 am-4:02 pm

1 stop10h 02m

Castries Hewanorra

Tue 3/10

2:20 pm-8:58 am

1 stop18h 38m

$416

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 3/4

6:00 am-4:00 pm

1 stop9h 00m

Castries Hewanorra

Tue 3/10

4:23 pm-12:58 pm

2 stops20h 35m

$457

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 3/3

6:00 am-3:04 pm

1 stop8h 04m

Castries Hewanorra

Wed 3/11

3:24 pm-12:07 am

1 stop8h 43m

$463

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Thu 11/27

5:40 am-3:15 pm

2 stops32h 35m

Castries George F. L. Charle

Wed 12/3

10:15 am-6:55 pm

2 stops33h 40m

$725

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Thu 3/5

10:11 am-11:30 am

2 stops24h 19m

Castries George F. L. Charle

Sun 3/8

12:30 pm-7:01 pm

2 stops30h 31m

$865

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Washington, D.C. 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

Other information

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

Our data shows that Wednesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $659. On the other hand, Saturday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,237.

Cheap Washington, D.C. to Saint Lucia flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Saint Lucia?
Prices for flights from Washington, D.C. to Saint Lucia were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Saint Lucia?
As of November 2025, there are 3 operators available to choose from for flights from Washington, D.C. to Saint Lucia.
How old do you have to be to fly from Washington, D.C. to Saint Lucia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. 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 8,007 reviews	Search Delta flights
American Airlines	PriceFrom $461	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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Saint Lucia. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Saint Lucia from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Saint Lucia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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Flights to Castriesfrom $484

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Cheap flights from Washington, D.C. to Saint Lucia from $151

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Saint Lucia departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Washington, D.C. to Saint Lucia

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Our best Delta deals on Washington, D.C. to Saint Lucia flight tickets

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How to get the cheapest flight ticket from Washington, D.C. 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. to Saint Lucia?

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

What airlines fly to Saint Lucia?

How long is the flight from Washington, D.C. to Saint Lucia?

Cheap Washington, D.C. to Saint Lucia flight deals and tips

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

Direct flights

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

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

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

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

Best airlines flying from Washington, D.C. to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. 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