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 05m 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 36m.

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

Air Canada, Delta, and American Airlines 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.

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 May 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.

$147 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 pm - 2:10 pm

IAD

UVF

16h 00m

2 stops

3:15 pm - 3:24 pm

UVF

IAD

24h 09m

1 stop

$383Air Canada

Mon, Jun 15 - Fri, Jun 19

8:18 am - 2:10 pm

IAD

UVF

29h 52m

2 stops

3:15 pm - 9:13 pm

UVF

IAD

29h 58m

2 stops

$388Air Canada

Mon, Jun 15 - Fri, Jun 19

10:10 pm - 2:10 pm

IAD

UVF

16h 00m

2 stops

3:05 pm - 3:29 pm

UVF

IAD

24h 24m

1 stop

$390Air Canada

Thu, Jun 11 - Tue, Jun 16

10:10 pm - 2:20 pm

IAD

UVF

16h 10m

2 stops

3:15 pm - 3:24 pm

UVF

IAD

24h 09m

1 stop

$397Air Canada

Thu, Jun 18 - Tue, Jun 23

10:10 pm - 2:10 pm

IAD

UVF

16h 00m

2 stops

3:15 pm - 3:24 pm

UVF

IAD

24h 09m

1 stop

$399Air Canada

Thu, Jun 11 - Fri, Jun 19

6:39 pm - 12:04 pm

BWI

UVF

17h 25m

1 stop

2:46 pm - 11:54 pm

UVF

BWI

9h 08m

1 stop

$518American Airlines

Fri, Jun 12 - Tue, Jun 16

4:25 pm - 1:54 pm

BWI

UVF

21h 29m

2 stops

3:14 pm - 10:49 am

UVF

BWI

19h 35m

2 stops

$523American Airlines

Mon, Aug 24 - Fri, Aug 28

7:24 pm - 1:54 pm

BWI

UVF

18h 30m

2 stops

3:29 pm - 11:22 am

UVF

BWI

19h 53m

2 stops

$528American Airlines

Wed, Aug 12 - Thu, Aug 27

6:39 pm - 1:46 pm

BWI

UVF

19h 07m

1 stop

3:16 pm - 12:07 am

UVF

BWI

8h 51m

1 stop

$529American Airlines

Fri, Jun 19 - Tue, Jun 23

4:05 pm - 7:00 pm

IAD

SLU

26h 55m

2 stops

12:35 pm - 3:24 pm

SLU

IAD

26h 49m

2 stops

$914Multiple Airlines

Sat, Jun 13 - Wed, Jun 17

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

Jun 6

BWI8:11 pmBaltimore/Washington

18h 05m

1 stop

UVF2:16 pmCastries Hewanorra

Jun 9

UVF3:16 pmCastries Hewanorra

18h 10m

1 stop

BWI9:26 amBaltimore/Washington

$518

American Airlines

Aug 24

BWI4:25 pmBaltimore/Washington

21h 29m

2 stops

UVF1:54 pmCastries Hewanorra

Aug 28

UVF3:14 pmCastries Hewanorra

19h 35m

2 stops

BWI10:49 amBaltimore/Washington

$523

American Airlines

Aug 12

BWI7:24 pmBaltimore/Washington

18h 30m

2 stops

UVF1:54 pmCastries Hewanorra

Aug 27

UVF3:29 pmCastries Hewanorra

19h 53m

2 stops

BWI11:22 amBaltimore/Washington

$528

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 15

IAD10:10 pmWashington, D.C. Dulles Intl

16h 00m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:15 pmCastries Hewanorra

24h 09m

1 stop

IAD3:24 pmWashington, D.C. Dulles Intl

$383

Air Canada

Jun 15

IAD8:18 amWashington, D.C. Dulles Intl

29h 52m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:15 pmCastries Hewanorra

29h 58m

2 stops

IAD9:13 pmWashington, D.C. Dulles Intl

$388

Air Canada

Jun 11

IAD10:10 pmWashington, D.C. Dulles Intl

16h 00m

2 stops

UVF2:10 pmCastries Hewanorra

Jun 16

UVF3:05 pmCastries Hewanorra

24h 24m

1 stop

IAD3:29 pmWashington, D.C. Dulles Intl

$390

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

Mon 6/15

10:10 pm-2:10 pm

2 stops16h 00m

Castries Hewanorra

Fri 6/19

3:15 pm-3:24 pm

1 stop24h 09m

$383

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

8:18 am-2:10 pm

2 stops29h 52m

Castries Hewanorra

Fri 6/19

3:15 pm-9:13 pm

2 stops29h 58m

$388

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 6/11

10:10 pm-2:10 pm

2 stops16h 00m

Castries Hewanorra

Tue 6/16

3:05 pm-3:29 pm

1 stop24h 24m

$390

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 6/18

10:10 pm-2:20 pm

2 stops16h 10m

Castries Hewanorra

Tue 6/23

3:15 pm-3:24 pm

1 stop24h 09m

$397

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 6/11

10:10 pm-2:10 pm

2 stops16h 00m

Castries Hewanorra

Fri 6/19

3:15 pm-3:24 pm

1 stop24h 09m

$399

Quickest round-trip

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 6/12

6:39 pm-12:04 pm

1 stop17h 25m

Castries Hewanorra

Tue 6/16

2:46 pm-11:54 pm

1 stop9h 08m

$518

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Mon 8/24

4:25 pm-1:54 pm

2 stops21h 29m

Castries Hewanorra

Fri 8/28

3:14 pm-10:49 am

2 stops19h 35m

$523

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 8/12

7:24 pm-1:54 pm

2 stops18h 30m

Castries Hewanorra

Thu 8/27

3:29 pm-11:22 am

2 stops19h 53m

$528

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 6/19

6:39 pm-1:46 pm

1 stop19h 07m

Castries Hewanorra

Tue 6/23

3:16 pm-12:07 am

1 stop8h 51m

$529

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Sat 6/13

4:05 pm-7:00 pm

2 stops26h 55m

Castries George F. L. Charle

Wed 6/17

12:35 pm-3:24 pm

2 stops26h 49m

$914

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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

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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 05m
Direct flights	None

The fastest flight from Washington, D.C. to Saint Lucia takes 7h 05m

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 May 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 2,982 reviews	Search JetBlue flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.1 11,640 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 $495

Cheap flights from Washington, D.C. to Saint Lucia from $147

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 6/10. 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

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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

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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

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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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