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 02m 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 34m.

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 April 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.

$189 Cheap Flights from Washington, D.C. to Saint Lucia in 2026

1 adult

0 bags

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.

3:45 pm - 2:10 pm

IAD

UVF

22h 25m

2 stops

3:05 pm - 3:29 pm

UVF

IAD

24h 24m

1 stop

$406Air Canada

Th. 2, Thg. 6 1 - Th. 3, Thg. 6 9

3:45 pm - 2:10 pm

IAD

UVF

22h 25m

2 stops

3:05 pm - 3:03 pm

UVF

IAD

23h 58m

2 stops

$411Air Canada

Th. 2, Thg. 6 1 - Th. 3, Thg. 6 9

10:10 pm - 2:20 pm

IAD

UVF

16h 10m

2 stops

3:05 pm - 3:24 pm

UVF

IAD

24h 19m

1 stop

$427Air Canada

Th. 5, Thg. 6 18 - Th. 3, Thg. 6 23

8:40 pm - 2:10 pm

DCA

UVF

17h 30m

1 stop

3:05 pm - 6:13 pm

UVF

DCA

27h 08m

1 stop

$432Air Canada

Th. 2, Thg. 6 1 - Th. 6, Thg. 6 5

7:40 pm - 2:08 pm

BWI

UVF

18h 28m

1 stop

3:28 pm - 12:16 am

UVF

BWI

8h 48m

1 stop

$498Delta

Th. 2, Thg. 8 31 - Th. 6, Thg. 9 4

4:25 pm - 2:04 pm

BWI

UVF

21h 39m

2 stops

3:04 pm - 1:04 pm

UVF

BWI

22h 00m

2 stops

$503American Airlines

Th. 2, Thg. 8 24 - Th. 6, Thg. 8 28

7:20 pm - 2:29 pm

BWI

UVF

19h 09m

2 stops

3:14 pm - 11:23 am

UVF

BWI

20h 09m

2 stops

$508American Airlines

Th. 4, Thg. 8 26 - Th. 2, Thg. 8 31

6:00 am - 2:08 pm

BWI

UVF

8h 08m

1 stop

3:28 pm - 9:16 am

UVF

BWI

17h 48m

1 stop

$585Delta

Th. 5, Thg. 9 3 - Th. 4, Thg. 9 9

6:30 am - 3:35 pm

BWI

SLU

33h 05m

2 stops

5:50 pm - 7:06 pm

SLU

BWI

25h 16m

2 stops

$861Multiple Airlines

CN, Thg. 5 31 - Th. 5, Thg. 6 4

9:55 am - 6:25 pm

IAD

SLU

32h 30m

2 stops

9:10 am - 3:29 pm

SLU

IAD

30h 19m

2 stops

$907Multiple Airlines

Th. 2, Thg. 5 25 - Th. 6, Thg. 5 29

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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

Aug 24

BWI4:25 pmBaltimore/Washington

21h 39m

2 stops

UVF2:04 pmCastries Hewanorra

Aug 28

UVF3:04 pmCastries Hewanorra

22h 00m

2 stops

BWI1:04 pmBaltimore/Washington

$503

American Airlines

Aug 26

BWI7:20 pmBaltimore/Washington

19h 09m

2 stops

UVF2:29 pmCastries Hewanorra

Aug 31

UVF3:14 pmCastries Hewanorra

20h 09m

2 stops

BWI11:23 amBaltimore/Washington

$508

American Airlines

Aug 26

BWI11:59 amBaltimore/Washington

26h 30m

1 stop

UVF2:29 pmCastries Hewanorra

Aug 31

UVF3:14 pmCastries Hewanorra

20h 09m

2 stops

BWI11:23 amBaltimore/Washington

$515

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 1

IAD3:45 pmWashington, D.C. Dulles Intl

22h 25m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 9

UVF3:05 pmCastries Hewanorra

24h 24m

1 stop

IAD3:29 pmWashington, D.C. Dulles Intl

$406

Air Canada

Jun 1

IAD3:45 pmWashington, D.C. Dulles Intl

22h 25m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 9

UVF3:05 pmCastries Hewanorra

23h 58m

2 stops

IAD3:03 pmWashington, D.C. Dulles Intl

$411

Air Canada

Jun 18

IAD10:10 pmWashington, D.C. Dulles Intl

16h 10m

2 stops

UVF2:20 pmCastries Hewanorra

Jun 23

UVF3:05 pmCastries Hewanorra

24h 19m

1 stop

IAD3:24 pmWashington, D.C. Dulles Intl

$427

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 - UVF

IADUVF

Washington, D.C. Dulles Intl

Th. 2 6/1

3:45 pm-2:10 pm

2 stops22h 25m

Castries Hewanorra

Th. 3 6/9

3:05 pm-3:29 pm

1 stop24h 24m

$406

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Th. 2 6/1

3:45 pm-2:10 pm

2 stops22h 25m

Castries Hewanorra

Th. 3 6/9

3:05 pm-3:03 pm

2 stops23h 58m

$411

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Th. 5 6/18

10:10 pm-2:20 pm

2 stops16h 10m

Castries Hewanorra

Th. 3 6/23

3:05 pm-3:24 pm

1 stop24h 19m

$427

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Th. 2 6/1

8:40 pm-2:10 pm

1 stop17h 30m

Castries Hewanorra

Th. 6 6/5

3:05 pm-6:13 pm

1 stop27h 08m

$432

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Th. 2 8/31

7:40 pm-2:08 pm

1 stop18h 28m

Castries Hewanorra

Th. 6 9/4

3:28 pm-12:16 am

1 stop8h 48m

$498

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Th. 2 8/24

4:25 pm-2:04 pm

2 stops21h 39m

Castries Hewanorra

Th. 6 8/28

3:04 pm-1:04 pm

2 stops22h 00m

$503

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Th. 4 8/26

7:20 pm-2:29 pm

2 stops19h 09m

Castries Hewanorra

Th. 2 8/31

3:14 pm-11:23 am

2 stops20h 09m

$508

Quickest round-trip

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Th. 5 9/3

6:00 am-2:08 pm

1 stop8h 08m

Castries Hewanorra

Th. 4 9/9

3:28 pm-9:16 am

1 stop17h 48m

$585

BaltimoreCastries

BWI - SLU

BWISLU

Baltimore/Washington

CN 5/31

6:30 am-3:35 pm

2 stops33h 05m

Castries George F. L. Charle

Th. 5 6/4

5:50 pm-7:06 pm

2 stops25h 16m

$861

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Th. 2 5/25

9:55 am-6:25 pm

2 stops32h 30m

Castries George F. L. Charle

Th. 6 5/29

9:10 am-3:29 pm

2 stops30h 19m

$907

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

Airlines

Other information

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

Air Canada and Delta 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 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.

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 56m
Direct flights	None

The fastest flight from Washington, D.C. to Saint Lucia takes 6h 56m

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 April 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 2,946 reviews	Search JetBlue flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.1 11,621 reviews	Search American Airlines flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.9 8,422 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 $491

Cheap flights from Washington, D.C. to Saint Lucia from $189

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 4/28. 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

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

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

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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

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.

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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

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According to popular flight searches on momondo this year

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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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