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 76% 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 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 14m 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 39m.

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

Air Canada, JetBlue, and Delta 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 August 2026, 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.

$150 Cheap Flights from Washington, D.C. to Saint Lucia in 2026

Discover deals from 900+ travel sites with momondo.

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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:55 am - 2:15 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

28h 20m1 stop Toronto Pearson Intl

3:10 pm - 8:25 pmUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

29h 15m1 stop Toronto Pearson Intl

$360Air Canada

Thu, Sep 10 - Fri, Sep 18

4:00 pm - 2:15 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

22h 15m1 stop Toronto Pearson Intl

3:10 pm - 3:25 pmUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

24h 15m1 stop Toronto Pearson Intl

$361Air Canada

Thu, Sep 10 - Fri, Sep 18

12:55 pm - 2:15 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

25h 20m2 stops Ottawa Toronto Pearson Intl

3:10 pm - 12:14 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

21h 04m2 stops Toronto Pearson Intl Ottawa

$361Air Canada

Thu, Sep 10 - Fri, Sep 18

7:22 pm - 1:32 pmBWI Baltimore/Washington-UVF Castries Hewanorra

17h 10m1 stop Miami

2:32 pm - 10:58 pmUVF Castries Hewanorra-BWI Baltimore/Washington

9h 26m1 stop Miami

$538American Airlines

Sun, Nov 1 - Fri, Nov 6

6:07 pm - 1:32 pmBWI Baltimore/Washington-UVF Castries Hewanorra

18h 25m2 stops Charlotte Douglas Miami

4:01 pm - 1:43 pmUVF Castries Hewanorra-BWI Baltimore/Washington

22h 42m2 stops Miami Charlotte Douglas

$543American Airlines

Sun, Nov 8 - Fri, Nov 13

6:07 pm - 3:01 pmBWI Baltimore/Washington-UVF Castries Hewanorra

19h 54m2 stops Charlotte Douglas Miami

4:07 pm - 11:01 amUVF Castries Hewanorra-BWI Baltimore/Washington

19h 54m2 stops Charlotte Douglas Miami

$543American Airlines

Sun, Nov 1 - Fri, Nov 6

6:10 am - 3:12 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 02m1 stop New York John F Kennedy Intl

1:50 pm - 10:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 09m1 stop New York John F Kennedy Intl

$589JetBlue

Thu, Aug 27 - Wed, Sep 2

6:10 am - 3:32 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 22m1 stop New York John F Kennedy Intl

1:50 pm - 10:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 09m1 stop New York John F Kennedy Intl

$589JetBlue

Sun, Aug 30 - Thu, Sep 3

7:52 pm - 3:10 pmBWI Baltimore/Washington-UVF Castries Hewanorra

18h 18m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 12:50 amUVF Castries Hewanorra-BWI Baltimore/Washington

9h 25m1 stop Atlanta Hartsfield-Jackson

$610Delta

Mon, Nov 23 - Thu, Nov 26

7:00 am - 2:14 pmBWI Baltimore/Washington-UVF Castries Hewanorra

7h 14m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 9:19 amUVF Castries Hewanorra-BWI Baltimore/Washington

17h 45m1 stop Atlanta Hartsfield-Jackson

$618Delta

Wed, Aug 26 - Tue, Sep 1

Cheap last minute flights

Enter your travel dates to find the best prices.

7:24 pm - 1:49 pmBWI Baltimore/Washington-UVF Castries Hewanorra

18h 25m2 stops Charlotte Douglas Miami

2:49 pm - 12:11 pmUVF Castries Hewanorra-BWI Baltimore/Washington

21h 22m2 stops Miami Chicago O'Hare Intl

$623American Airlines

Tue, Aug 11 - Fri, Aug 14

6:00 am - 1:49 pmBWI Baltimore/Washington-UVF Castries Hewanorra

7h 49m1 stop Miami

2:49 pm - 11:45 pmUVF Castries Hewanorra-BWI Baltimore/Washington

8h 56m1 stop Miami

$623American Airlines

Wed, Aug 12 - Thu, Aug 27

6:00 am - 1:49 pmBWI Baltimore/Washington-UVF Castries Hewanorra

7h 49m1 stop Miami

2:49 pm - 12:11 pmUVF Castries Hewanorra-BWI Baltimore/Washington

21h 22m2 stops Miami Chicago O'Hare Intl

$623American Airlines

Tue, Aug 11 - Fri, Aug 14

4:25 pm - 2:19 pmBWI Baltimore/Washington-UVF Castries Hewanorra

21h 54m1 stop Charlotte Douglas

2:49 pm - 11:45 pmUVF Castries Hewanorra-BWI Baltimore/Washington

8h 56m1 stop Miami

$626American Airlines

Thu, Aug 13 - Mon, Aug 24

6:00 am - 2:14 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 14m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 12:34 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

$994Delta

Thu, Aug 13 - Mon, Aug 24

6:00 am - 2:14 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 14m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 12:34 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

$1,000Delta

Thu, Aug 13 - Thu, Aug 20

6:00 am - 2:14 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 14m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 12:34 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

$1,000Delta

Thu, Aug 13 - Wed, Aug 19

6:00 am - 2:14 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 14m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 12:34 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

$1,002Delta

Thu, Aug 13 - Thu, Aug 20

4:20 pm - 9:30 amIAD Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle

17h 10m2 stops Toronto Pearson Intl Port of Spain Piarco Intl

7:30 pm - 4:41 pmSLU Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl

45h 11m3 stops Roseau Douglas–Charles Simpson Bay Princess Juliana Toronto Pearson Intl

$1,930Multiple Airlines

Tue, Aug 11 - Fri, Aug 14

3:35 pm - 12:05 pmIAD Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle

20h 30m3 stops Bogotá El Dorado Georgetown Cheddi Jagan Intl Bridgetown Grantley Adams Intl

7:30 pm - 4:41 pmSLU Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl

45h 11m3 stops Roseau Douglas–Charles Simpson Bay Princess Juliana Toronto Pearson Intl

$2,233Multiple Airlines

Tue, Aug 11 - Fri, Aug 14

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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

Nov 1

BWI7:22 pmBaltimore/Washington

17h 10m

1 stop

UVF1:32 pmCastries Hewanorra

Nov 6

UVF2:32 pmCastries Hewanorra

9h 26m

1 stop

BWI10:58 pmBaltimore/Washington

$538

American Airlines

Nov 1

BWI6:07 pmBaltimore/Washington

19h 54m

2 stops

UVF3:01 pmCastries Hewanorra

Nov 6

UVF4:07 pmCastries Hewanorra

19h 54m

2 stops

BWI11:01 amBaltimore/Washington

$543

American Airlines

Nov 1

BWI7:22 pmBaltimore/Washington

17h 10m

1 stop

UVF1:32 pmCastries Hewanorra

Nov 4

UVF4:07 pmCastries Hewanorra

17h 41m

1 stop

BWI8:48 amBaltimore/Washington

$548

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

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

JetBlue

Aug 29

DCA6:10 amWashington, D.C. Reagan-National

6h 41m

1 stop

UVF12:51 pmCastries Hewanorra

Sep 3

UVF1:50 pmCastries Hewanorra

9h 09m

1 stop

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

$589

JetBlue

Aug 28

DCA6:10 amWashington, D.C. Reagan-National

9h 02m

1 stop

UVF3:12 pmCastries Hewanorra

Sep 4

UVF1:50 pmCastries Hewanorra

9h 09m

1 stop

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

$594

JetBlue

Aug 17

DCA6:10 amWashington, D.C. Reagan-National

9h 02m

1 stop

UVF3:12 pmCastries Hewanorra

Aug 23

UVF1:58 pmCastries Hewanorra

9h 01m

1 stop

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

$1,330

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

Cheapest round-trip

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Thu 9/10

9:55 am-2:15 pm

1 stop28h 20m

Castries Hewanorra

Fri 9/18

3:10 pm-8:25 pm

1 stop29h 15m

$360

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Thu 9/10

4:00 pm-2:15 pm

1 stop22h 15m

Castries Hewanorra

Fri 9/18

3:10 pm-3:25 pm

1 stop24h 15m

$361

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Thu 9/10

12:55 pm-2:15 pm

2 stops25h 20m

Castries Hewanorra

Fri 9/18

3:10 pm-12:14 pm

2 stops21h 04m

$361

BaltimoreCastries

BWI Baltimore/Washington - UVF Castries Hewanorra

BWIUVF

Baltimore/Washington

Sun 11/1

7:22 pm-1:32 pm

1 stop17h 10m

Castries Hewanorra

Fri 11/6

2:32 pm-10:58 pm

1 stop9h 26m

$538

BaltimoreCastries

BWI Baltimore/Washington - UVF Castries Hewanorra

BWIUVF

Baltimore/Washington

Sun 11/8

6:07 pm-1:32 pm

2 stops18h 25m

Castries Hewanorra

Fri 11/13

4:01 pm-1:43 pm

2 stops22h 42m

$543

BaltimoreCastries

BWI Baltimore/Washington - UVF Castries Hewanorra

BWIUVF

Baltimore/Washington

Sun 11/1

6:07 pm-3:01 pm

2 stops19h 54m

Castries Hewanorra

Fri 11/6

4:07 pm-11:01 am

2 stops19h 54m

$543

Quickest round-trip

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Thu 8/27

6:10 am-3:12 pm

1 stop9h 02m

Castries Hewanorra

Wed 9/2

1:50 pm-10:59 pm

1 stop9h 09m

$589

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Sun 8/30

6:10 am-3:32 pm

1 stop9h 22m

Castries Hewanorra

Thu 9/3

1:50 pm-10:59 pm

1 stop9h 09m

$589

BaltimoreCastries

BWI Baltimore/Washington - UVF Castries Hewanorra

BWIUVF

Baltimore/Washington

Mon 11/23

7:52 pm-3:10 pm

1 stop18h 18m

Castries Hewanorra

Thu 11/26

4:25 pm-12:50 am

1 stop9h 25m

$610

BaltimoreCastries

BWI Baltimore/Washington - UVF Castries Hewanorra

BWIUVF

Baltimore/Washington

Wed 8/26

7:00 am-2:14 pm

1 stop7h 14m

Castries Hewanorra

Tue 9/1

3:34 pm-9:19 am

1 stop17h 45m

$618

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. 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 February is, on average, the cheapest month to fly to Saint Lucia from Washington, D.C., with most prices found around $579. If you aren’t able to travel to Saint Lucia during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $587.

Can stopping save me money on Washington, D.C. to Saint Lucia flights?

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. to Saint Lucia flight.

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	7h 13m
Direct flights	None

The fastest flight from Washington, D.C. to Saint Lucia takes 7h 13m

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.

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Frequently asked questions about flying 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 August 2026, 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 $241	Free Cancellation	Rating 7.1 3,034 reviews	Search JetBlue flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.1 11,902 reviews	Search American Airlines flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.8 8,506 reviews	Search Delta 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 $512

Cheap flights from Washington, D.C. to Saint Lucia from $150

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 9/17. 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

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

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

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

momondo Fare Finder

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

What is the cheapest month to fly to Saint Lucia?

Can stopping save me money on Washington, D.C. to Saint Lucia flights?

What is the cheapest airline that flies 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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. 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?

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

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According to popular flight searches on momondo this year

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Fly your favorite airline to Saint Lucia

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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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