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 6h 50m 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 32m.

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

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

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 69% 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 September 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.

$131 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

Round-trip

One-way

Last minute

Cheap round-trip flights

8:40 pm - 4:25 pmDCA-UVF

18h 45m1 stop

5:15 pm - 3:31 pmUVF-DCA

23h 16m2 stops

$358Air Canada

Find Deal

Tue, Dec 2 - Wed, Dec 10

4:30 pm - 4:25 pmIAD-UVF

22h 55m1 stop

5:15 pm - 3:51 pmUVF-IAD

23h 36m1 stop

$358Air Canada

Find Deal

Tue, Dec 2 - Fri, Dec 5

6:00 am - 3:04 pmIAD-UVF

8h 04m1 stop

4:24 pm - 8:11 amUVF-IAD

16h 47m1 stop

$463Delta

Find Deal

Wed, Feb 25 - Sat, Mar 7

4:10 pm - 2:50 pmDCA-UVF

21h 40m2 stops

5:15 pm - 10:26 amUVF-DCA

18h 11m2 stops

$473Multiple Airlines

Find Deal

Mon, Nov 10 - Fri, Nov 14

10:05 pm - 2:50 pmIAD-UVF

15h 45m1 stop

5:15 pm - 8:26 pmUVF-IAD

28h 11m1 stop

$522Multiple Airlines

Find Deal

Mon, Nov 10 - Fri, Nov 14

6:24 am - 2:57 pmDCA-UVF

7h 33m1 stop

4:57 pm - 2:50 pmUVF-DCA

22h 53m1 stop

$524JetBlue

Find Deal

Thu, Nov 6 - Wed, Nov 12

4:55 pm - 2:56 pmDCA-UVF

21h 01m2 stops

4:55 pm - 11:41 amUVF-DCA

19h 46m2 stops

$537JetBlue

Find Deal

Wed, Dec 3 - Sun, Dec 7

6:00 am - 3:00 pmBWI-UVF

9h 00m1 stop

4:52 pm - 11:59 pmUVF-BWI

8h 07m1 stop

$567American Airlines

Find Deal

Mon, Oct 27 - Tue, Nov 4

5:00 am - 3:00 pmBWI-UVF

10h 00m2 stops

4:52 pm - 10:14 amUVF-BWI

18h 22m2 stops

$572American Airlines

Find Deal

Mon, Oct 27 - Tue, Nov 4

6:59 am - 3:38 pmDCA-UVF

7h 39m1 stop

4:59 pm - 9:12 amUVF-DCA

17h 13m1 stop

$687Delta

Find Deal

Tue, Dec 9 - Tue, Dec 16

Air Canada flights from Washington, D.C. to Saint Lucia

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

Air Canada

Dec 2

DCA8:40 pmWashington, D.C. Reagan-National

18h 45m

1 stop

UVF4:25 pmCastries Hewanorra

Dec 10

UVF5:15 pmCastries Hewanorra

23h 16m

2 stops

DCA3:31 pmWashington, D.C. Reagan-National

$358

Find similar

Air Canada

Dec 2

IAD4:30 pmWashington, D.C. Dulles Intl

22h 55m

1 stop

UVF4:25 pmCastries Hewanorra

Dec 5

UVF5:15 pmCastries Hewanorra

19h 24m

2 stops

IAD11:39 amWashington, D.C. Dulles Intl

$363

Find similar

Air Canada

Nov 10

DCA6:59 amWashington, D.C. Reagan-National

8h 26m

1 stop

UVF4:25 pmCastries Hewanorra

Nov 14

UVF5:15 pmCastries Hewanorra

18h 11m

2 stops

DCA10:26 amWashington, D.C. Reagan-National

$368

Find similar

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

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

United Airlines

Oct 18

IAD6:15 amWashington, D.C. Dulles Intl

7h 16m

1 stop

UVF1:31 pmCastries Hewanorra

Oct 25

UVF2:35 pmCastries Hewanorra

8h 23m

1 stop

IAD10:58 pmWashington, D.C. Dulles Intl

$727

Find similar

United Airlines

Sep 27

IAD6:15 amWashington, D.C. Dulles Intl

7h 16m

1 stop

UVF1:31 pmCastries Hewanorra

Oct 4

UVF2:35 pmCastries Hewanorra

8h 32m

1 stop

IAD11:07 pmWashington, D.C. Dulles Intl

$952

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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 12/2

8:40 pm-4:25 pm

1 stop18h 45m

Castries Hewanorra

Wed 12/10

5:15 pm-3:31 pm

2 stops23h 16m

$358

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/2

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Fri 12/5

5:15 pm-3:51 pm

1 stop23h 36m

$358

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 2/25

6:00 am-3:04 pm

1 stop8h 04m

Castries Hewanorra

Sat 3/7

4:24 pm-8:11 am

1 stop16h 47m

$463

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 11/10

4:10 pm-2:50 pm

2 stops21h 40m

Castries Hewanorra

Fri 11/14

5:15 pm-10:26 am

2 stops18h 11m

$473

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 11/10

10:05 pm-2:50 pm

1 stop15h 45m

Castries Hewanorra

Fri 11/14

5:15 pm-8:26 pm

1 stop28h 11m

$522

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 11/6

6:24 am-2:57 pm

1 stop7h 33m

Castries Hewanorra

Wed 11/12

4:57 pm-2:50 pm

1 stop22h 53m

$524

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 12/3

4:55 pm-2:56 pm

2 stops21h 01m

Castries Hewanorra

Sun 12/7

4:55 pm-11:41 am

2 stops19h 46m

$537

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Mon 10/27

6:00 am-3:00 pm

1 stop9h 00m

Castries Hewanorra

Tue 11/4

4:52 pm-11:59 pm

1 stop8h 07m

$567

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Mon 10/27

5:00 am-3:00 pm

2 stops10h 00m

Castries Hewanorra

Tue 11/4

4:52 pm-10:14 am

2 stops18h 22m

$572

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 12/9

6:59 am-3:38 pm

1 stop7h 39m

Castries Hewanorra

Tue 12/16

4:59 pm-9:12 am

1 stop17h 13m

$687

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 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., with most prices found around $590. If you aren’t able to travel to Saint Lucia during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $601.

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 September 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 2,914 reviews	Search JetBlue flights
Delta	PriceFrom $385	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
American Airlines	PriceFrom $555	Free Cancellation	Rating 7.2 10,000 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 $421

Washington, D.C. flight routes

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Flights from Baltimore/Washington to Detroit Metropolitan Wayne County

Cheap flights from Washington, D.C. to Saint Lucia from $131

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 11/8. 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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Find the cheapest flights from Washington, D.C. to Saint Lucia

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Air Canada flights from Washington, D.C. to Saint Lucia

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

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

Our best United Airlines 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 month to fly 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?

Air Canada, Delta, and JetBlue 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