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 13m 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 47m.

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 February 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.

$139 Cheap Flights from Washington, D.C. to Saint Lucia in 2026

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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.

6:00 am - 3:05 pm

BWI

UVF

8h 05m

1 stop

3:18 pm - 12:53 am

UVF

BWI

9h 35m

1 stop

$378Delta

Tue, Mar 3 - Wed, Mar 11

7:22 pm - 2:48 pm

BWI

UVF

18h 26m

1 stop

4:58 pm - 7:04 pm

UVF

BWI

27h 06m

2 stops

$383American Airlines

Wed, Feb 25 - Wed, Mar 4

7:22 pm - 3:58 pm

BWI

UVF

19h 36m

1 stop

2:48 pm - 12:40 am

UVF

BWI

9h 52m

1 stop

$386American Airlines

Wed, Mar 4 - Thu, Mar 12

12:55 pm - 2:20 pm

DCA

UVF

25h 25m

2 stops

3:05 pm - 8:52 am

UVF

DCA

17h 47m

1 stop

$388Air Canada

Thu, Jun 18 - Tue, Jun 23

7:22 pm - 3:58 pm

BWI

UVF

19h 36m

1 stop

4:58 pm - 11:35 am

UVF

BWI

19h 37m

2 stops

$391American Airlines

Wed, Feb 25 - Wed, Mar 4

7:54 pm - 3:58 pm

BWI

UVF

19h 04m

2 stops

3:48 pm - 5:04 pm

UVF

BWI

26h 16m

2 stops

$396American Airlines

Fri, Feb 27 - Thu, Mar 5

10:09 pm - 2:05 pm

IAD

UVF

39h 56m

2 stops

3:05 pm - 2:10 pm

UVF

IAD

23h 05m

1 stop

$397Air Canada

Wed, May 27 - Tue, Jun 2

8:40 pm - 2:10 pm

DCA

UVF

17h 30m

1 stop

3:05 pm - 8:53 am

UVF

DCA

17h 48m

1 stop

$398Air Canada

Thu, Jun 4 - Tue, Jun 9

4:10 pm - 2:10 pm

IAD

UVF

22h 00m

1 stop

3:05 pm - 8:29 pm

UVF

IAD

29h 24m

1 stop

$398Air Canada

Mon, Jun 1 - Fri, Jun 5

5:16 pm - 2:05 pm

IAD

UVF

20h 49m

2 stops

3:05 pm - 4:20 pm

UVF

IAD

25h 15m

2 stops

$401Air Canada

Thu, May 28 - Tue, Jun 2

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

Jun 18

DCA12:55 pmWashington, D.C. Reagan-National

25h 25m

2 stops

UVF2:20 pmCastries Hewanorra

Jun 23

UVF3:05 pmCastries Hewanorra

20h 55m

2 stops

DCA12:00 pmWashington, D.C. Reagan-National

$388

Air Canada

May 27

IAD10:09 pmWashington, D.C. Dulles Intl

39h 56m

2 stops

UVF2:05 pmCastries Hewanorra

Jun 2

UVF3:05 pmCastries Hewanorra

23h 05m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

$397

Air Canada

Jun 4

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

17h 30m

1 stop

UVF2:10 pmCastries Hewanorra

Jun 9

UVF3:05 pmCastries Hewanorra

17h 48m

1 stop

DCA8:53 amWashington, D.C. Reagan-National

$398

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

BWI6:00 amBaltimore/Washington

8h 05m

1 stop

UVF3:05 pmCastries Hewanorra

Mar 11

UVF3:18 pmCastries Hewanorra

9h 35m

1 stop

BWI12:53 amBaltimore/Washington

$378

Delta

Feb 20

BWI6:00 amBaltimore/Washington

8h 05m

1 stop

UVF3:05 pmCastries Hewanorra

Feb 25

UVF4:25 pmCastries Hewanorra

9h 10m

1 stop

BWI12:35 amBaltimore/Washington

$530

Delta

Mar 1

BWI6:00 amBaltimore/Washington

8h 05m

1 stop

UVF3:05 pmCastries Hewanorra

Mar 10

UVF3:18 pmCastries Hewanorra

9h 35m

1 stop

BWI12:53 amBaltimore/Washington

$578

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

Tue 3/3

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Wed 3/11

3:18 pm-12:53 am

1 stop9h 35m

$378

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 2/25

7:22 pm-2:48 pm

1 stop18h 26m

Castries Hewanorra

Wed 3/4

4:58 pm-7:04 pm

2 stops27h 06m

$383

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 3/4

7:22 pm-3:58 pm

1 stop19h 36m

Castries Hewanorra

Thu 3/12

2:48 pm-12:40 am

1 stop9h 52m

$386

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 6/18

12:55 pm-2:20 pm

2 stops25h 25m

Castries Hewanorra

Tue 6/23

3:05 pm-8:52 am

1 stop17h 47m

$388

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 2/25

7:22 pm-3:58 pm

1 stop19h 36m

Castries Hewanorra

Wed 3/4

4:58 pm-11:35 am

2 stops19h 37m

$391

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 2/27

7:54 pm-3:58 pm

2 stops19h 04m

Castries Hewanorra

Thu 3/5

3:48 pm-5:04 pm

2 stops26h 16m

$396

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 5/27

10:09 pm-2:05 pm

2 stops39h 56m

Castries Hewanorra

Tue 6/2

3:05 pm-2:10 pm

1 stop23h 05m

$397

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 6/4

8:40 pm-2:10 pm

1 stop17h 30m

Castries Hewanorra

Tue 6/9

3:05 pm-8:53 am

1 stop17h 48m

$398

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/1

4:10 pm-2:10 pm

1 stop22h 00m

Castries Hewanorra

Fri 6/5

3:05 pm-8:29 pm

1 stop29h 24m

$398

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 5/28

5:16 pm-2:05 pm

2 stops20h 49m

Castries Hewanorra

Tue 6/2

3:05 pm-4:20 pm

2 stops25h 15m

$401

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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

Airlines

Other information

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

American Airlines, United Airlines, and Air Canada 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.

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 08m
Direct flights	None

The fastest flight from Washington, D.C. to Saint Lucia takes 7h 08m

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 February 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 7.2 2,898 reviews	Search JetBlue flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.2 11,288 reviews	Search American Airlines flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.9 8,203 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 $455

Cheap flights from Washington, D.C. to Saint Lucia from $139

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 2/21. 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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Air Canada flights from Washington, D.C. to Saint Lucia

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

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

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

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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 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

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

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Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. flight routes

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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