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

American Airlines, Air Canada, 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 75% 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 07m 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 12m.

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 July 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.

$224 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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:59 am - 4:40 pm

DCA

UVF

8h 41m

1 stop

5:40 pm - 12:19 pm

UVF

DCA

19h 39m

2 stops

$538Air Canada

Wed, Jan 6 - Wed, Jan 13

4:30 pm - 4:40 pm

IAD

UVF

23h 10m

1 stop

5:40 pm - 3:45 pm

UVF

IAD

23h 05m

1 stop

$538Air Canada

Sun, Nov 1 - Fri, Nov 6

6:59 am - 4:40 pm

DCA

UVF

8h 41m

1 stop

5:40 pm - 6:18 pm

UVF

DCA

25h 38m

1 stop

$539Air Canada

Mon, Nov 2 - Fri, Nov 6

4:00 pm - 4:40 pm

DCA

UVF

23h 40m

2 stops

5:40 pm - 12:19 pm

UVF

DCA

19h 39m

2 stops

$541Air Canada

Wed, Jan 6 - Wed, Jan 13

6:00 am - 2:14 pm

BWI

UVF

8h 14m

1 stop

3:34 pm - 9:19 am

UVF

BWI

17h 45m

1 stop

$548Delta

Wed, Aug 26 - Mon, Aug 31

6:00 am - 1:49 pm

BWI

UVF

7h 49m

1 stop

3:19 pm - 10:58 pm

UVF

BWI

7h 39m

1 stop

$549American Airlines

Fri, Aug 21 - Fri, Aug 28

7:24 pm - 1:49 pm

BWI

UVF

18h 25m

2 stops

2:49 pm - 11:09 am

UVF

BWI

20h 20m

2 stops

$553American Airlines

Mon, Aug 24 - Fri, Aug 28

6:10 am - 3:12 pm

DCA

UVF

9h 02m

1 stop

1:50 pm - 10:59 pm

UVF

DCA

9h 09m

1 stop

$573JetBlue

Wed, Aug 26 - Tue, Sep 1

6:00 am - 7:00 pm

DCA

SLU

12h 00m

2 stops

12:35 pm - 8:58 am

SLU

DCA

21h 23m

2 stops

$861Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

9:55 am - 7:00 pm

IAD

SLU

33h 05m

2 stops

12:35 pm - 8:25 pm

SLU

IAD

31h 50m

2 stops

$882Multiple Airlines

Sun, Sep 20 - Fri, Sep 25

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

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

JetBlue

Aug 26

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

9h 02m

1 stop

UVF3:12 pmCastries Hewanorra

Sep 1

UVF1:50 pmCastries Hewanorra

9h 09m

1 stop

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

$573

JetBlue

Aug 26

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

9h 02m

1 stop

UVF3:12 pmCastries Hewanorra

Sep 1

UVF1:50 pmCastries Hewanorra

9h 09m

1 stop

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

$577

JetBlue

Aug 5

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

9h 12m

1 stop

UVF3:22 pmCastries Hewanorra

Aug 19

UVF1:59 pmCastries Hewanorra

9h 00m

1 stop

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

$578

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

Jul 11

BWI6:15 amBaltimore/Washington

8h 17m

1 stop

UVF2:32 pmCastries Hewanorra

Jul 13

UVF2:50 pmCastries Hewanorra

9h 02m

1 stop

BWI11:52 pmBaltimore/Washington

$548

American Airlines

Aug 21

BWI6:00 amBaltimore/Washington

7h 49m

1 stop

UVF1:49 pmCastries Hewanorra

Aug 28

UVF3:19 pmCastries Hewanorra

7h 39m

1 stop

BWI10:58 pmBaltimore/Washington

$549

American Airlines

Jul 11

BWI5:01 amBaltimore/Washington

8h 49m

2 stops

UVF1:50 pmCastries Hewanorra

Jul 13

UVF2:50 pmCastries Hewanorra

22h 13m

2 stops

BWI1:03 pmBaltimore/Washington

$553

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

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 1/6

6:59 am-4:40 pm

1 stop8h 41m

Castries Hewanorra

Wed 1/13

5:40 pm-12:19 pm

2 stops19h 39m

$538

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 11/1

4:30 pm-4:40 pm

1 stop23h 10m

Castries Hewanorra

Fri 11/6

5:40 pm-3:45 pm

1 stop23h 05m

$538

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 11/2

6:59 am-4:40 pm

1 stop8h 41m

Castries Hewanorra

Fri 11/6

5:40 pm-6:18 pm

1 stop25h 38m

$539

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 1/6

4:00 pm-4:40 pm

2 stops23h 40m

Castries Hewanorra

Wed 1/13

5:40 pm-12:19 pm

2 stops19h 39m

$541

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 8/26

6:00 am-2:14 pm

1 stop8h 14m

Castries Hewanorra

Mon 8/31

3:34 pm-9:19 am

1 stop17h 45m

$548

Quickest round-trip

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 8/21

6:00 am-1:49 pm

1 stop7h 49m

Castries Hewanorra

Fri 8/28

3:19 pm-10:58 pm

1 stop7h 39m

$549

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Mon 8/24

7:24 pm-1:49 pm

2 stops18h 25m

Castries Hewanorra

Fri 8/28

2:49 pm-11:09 am

2 stops20h 20m

$553

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 8/26

6:10 am-3:12 pm

1 stop9h 02m

Castries Hewanorra

Tue 9/1

1:50 pm-10:59 pm

1 stop9h 09m

$573

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Sun 11/29

6:00 am-7:00 pm

2 stops12h 00m

Castries George F. L. Charle

Sun 12/6

12:35 pm-8:58 am

2 stops21h 23m

$861

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Sun 9/20

9:55 am-7:00 pm

2 stops33h 05m

Castries George F. L. Charle

Fri 9/25

12:35 pm-8:25 pm

2 stops31h 50m

$882

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 April is, on average, the cheapest month to fly to Saint Lucia from Washington, D.C., with most prices found around $70. If you aren’t able to travel to Saint Lucia during the month of April, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $173.

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 07m
Direct flights	None

The fastest flight from Washington, D.C. to Saint Lucia takes 7h 07m

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

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 July 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 $179	Free Cancellation	Rating 7.1 3,015 reviews	Search JetBlue flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.1 11,806 reviews	Search American Airlines flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.8 8,458 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 $495

Cheap flights from Washington, D.C. to Saint Lucia from $224

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 7/23. 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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JetBlue flights from Washington, D.C. to Saint Lucia

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

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

Our best American Airlines 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?

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

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

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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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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