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 Washington, D.C. (a popular airport in Washington, D.C.) to Castries (the most popular airport in Saint Lucia), then the flight time is 7h 22m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Castries, then the average flight time is 7h 34m.

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 74% 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.

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

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

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 December 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.

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

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Find the cheapest flights from Washington, D.C. to Saint Lucia

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:36 pm - 1:46 pm

BWI

UVF

18h 10m1 stop

4:06 pm - 11:21 pm

UVF

BWI

8h 15m1 stop

$347American Airlines

Sat, Jan 24 - Thu, Jan 29

5:00 am - 1:46 pm

DCA

UVF

7h 46m1 stop

4:06 pm - 11:34 pm

UVF

DCA

8h 28m1 stop

$347American Airlines

Thu, Jan 29 - Fri, Jan 30

7:01 am - 3:03 pm

IAD

UVF

7h 02m1 stop

4:06 pm - 11:12 pm

UVF

IAD

8h 06m1 stop

$347American Airlines

Thu, Jan 8 - Thu, Jan 15

1:35 pm - 1:46 pm

DCA

UVF

23h 11m1 stop

2:46 pm - 12:34 am

UVF

DCA

10h 48m1 stop

$348American Airlines

Fri, Jan 23 - Fri, Jan 30

11:13 am - 1:46 pm

BWI

UVF

25h 33m2 stops

5:02 pm - 10:19 am

UVF

BWI

18h 17m2 stops

$352American Airlines

Sat, Jan 24 - Thu, Jan 29

10:11 pm - 2:50 pm

DCA

UVF

15h 39m2 stops

2:57 pm - 9:10 am

UVF

DCA

18h 13m1 stop

$352American Airlines

Tue, Mar 3 - Wed, Mar 11

5:46 pm - 4:02 pm

IAD

UVF

21h 16m2 stops

5:02 pm - 12:36 pm

UVF

IAD

20h 34m2 stops

$352American Airlines

Sat, Jan 24 - Thu, Jan 29

7:59 pm - 1:46 pm

DCA

UVF

16h 47m1 stop

3:10 pm - 10:03 am

UVF

DCA

19h 53m1 stop

$353American Airlines

Sat, Jan 24 - Sat, Jan 31

6:00 am - 3:05 pm

IAD

UVF

8h 05m1 stop

4:25 pm - 12:24 am

UVF

IAD

8h 59m1 stop

$461Delta

Wed, Feb 25 - Wed, Mar 4

4:44 pm - 3:35 pm

BWI

SLU

45h 51m3 stops

6:20 pm - 11:36 pm

SLU

BWI

30h 16m2 stops

$916Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

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

Jan 24

BWI6:36 pmBaltimore/Washington

18h 10m

1 stop

UVF1:46 pmCastries Hewanorra

Jan 29

UVF4:06 pmCastries Hewanorra

8h 15m

1 stop

BWI11:21 pmBaltimore/Washington

$347

Find similar

American Airlines

Jan 23

DCA1:35 pmWashington, D.C. Reagan-National

23h 11m

1 stop

UVF1:46 pmCastries Hewanorra

Jan 30

UVF2:46 pmCastries Hewanorra

10h 48m

1 stop

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

$348

Find similar

American Airlines

Jan 24

BWI11:13 amBaltimore/Washington

25h 33m

2 stops

UVF1:46 pmCastries Hewanorra

Jan 29

UVF5:02 pmCastries Hewanorra

18h 17m

2 stops

BWI10:19 amBaltimore/Washington

$352

Find similar

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

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

JetBlue

Jan 18

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

8h 41m

1 stop

UVF3:41 pmCastries Hewanorra

Jan 22

UVF5:21 pmCastries Hewanorra

20h 59m

2 stops

DCA1:20 pmWashington, D.C. Reagan-National

$427

Find similar

JetBlue

Jan 23

DCA10:05 amWashington, D.C. Reagan-National

26h 03m

2 stops

UVF1:08 pmCastries Hewanorra

Jan 30

UVF5:21 pmCastries Hewanorra

24h 43m

2 stops

DCA5:04 pmWashington, D.C. Reagan-National

$512

Find similar

JetBlue

Feb 1

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

8h 53m

1 stop

UVF3:53 pmCastries Hewanorra

Feb 7

UVF2:45 pmCastries Hewanorra

9h 02m

1 stop

DCA10:47 pmWashington, D.C. Reagan-National

$562

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

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Sat 1/24

6:36 pm-1:46 pm

1 stop18h 10m

Castries Hewanorra

Thu 1/29

4:06 pm-11:21 pm

1 stop8h 15m

$347

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 1/29

5:00 am-1:46 pm

1 stop7h 46m

Castries Hewanorra

Fri 1/30

4:06 pm-11:34 pm

1 stop8h 28m

$347

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 1/8

7:01 am-3:03 pm

1 stop7h 02m

Castries Hewanorra

Thu 1/15

4:06 pm-11:12 pm

1 stop8h 06m

$347

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Fri 1/23

1:35 pm-1:46 pm

1 stop23h 11m

Castries Hewanorra

Fri 1/30

2:46 pm-12:34 am

1 stop10h 48m

$348

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Sat 1/24

11:13 am-1:46 pm

2 stops25h 33m

Castries Hewanorra

Thu 1/29

5:02 pm-10:19 am

2 stops18h 17m

$352

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 3/3

10:11 pm-2:50 pm

2 stops15h 39m

Castries Hewanorra

Wed 3/11

2:57 pm-9:10 am

1 stop18h 13m

$352

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 1/24

5:46 pm-4:02 pm

2 stops21h 16m

Castries Hewanorra

Thu 1/29

5:02 pm-12:36 pm

2 stops20h 34m

$352

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 1/24

7:59 pm-1:46 pm

1 stop16h 47m

Castries Hewanorra

Sat 1/31

3:10 pm-10:03 am

1 stop19h 53m

$353

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 2/25

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Wed 3/4

4:25 pm-12:24 am

1 stop8h 59m

$461

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

Sat 1/24

4:44 pm-3:35 pm

3 stops45h 51m

Castries George F. L. Charle

Sat 1/31

6:20 pm-11:36 pm

2 stops30h 16m

$916

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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

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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

Fastest flight time	6h 59m
Direct flights	None

The fastest flight from Washington, D.C. to Saint Lucia takes 6h 59m

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 December 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 $225	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
Delta	PriceFrom $385	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $461	Free Cancellation	Rating 7.2 11,048 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.

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Flights to Castriesfrom $464

Washington, D.C. flight routes

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Flights from Baltimore/Washington to Chicago O'Hare Intl

Cheap flights from Washington, D.C. to Saint Lucia from $123

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 12/31. 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 JetBlue 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

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?

Delta, American Airlines, and Air Canada 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

Fastest flight time

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