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 38m.

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.

$158 Cheap Flights from Washington, D.C. to Saint Lucia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

12:45 pm - 2:10 pm

DCA

UVF

25h 25m

2 stops

3:05 pm - 12:00 pm

UVF

DCA

20h 55m

2 stops

$422Air Canada

Mon, Jun 15 - Fri, Jun 19

4:05 pm - 2:10 pm

IAD

UVF

22h 05m

1 stop

3:05 pm - 3:24 pm

UVF

IAD

24h 19m

1 stop

$422Air Canada

Mon, Jun 15 - Fri, Jun 19

4:05 pm - 2:10 pm

IAD

UVF

22h 05m

1 stop

3:05 pm - 3:01 pm

UVF

IAD

23h 56m

2 stops

$426Air Canada

Mon, Jun 15 - Fri, Jun 19

4:05 pm - 2:10 pm

IAD

UVF

22h 05m

1 stop

3:05 pm - 7:44 am

UVF

IAD

16h 39m

2 stops

$427Air Canada

Mon, Jun 15 - Fri, Jun 19

6:00 am - 2:08 pm

BWI

UVF

8h 08m

1 stop

3:28 pm - 12:16 am

UVF

BWI

8h 48m

1 stop

$498Delta

Wed, Aug 12 - Thu, Aug 27

10:53 am - 2:09 pm

BWI

UVF

27h 16m

2 stops

3:09 pm - 6:30 pm

UVF

BWI

27h 21m

2 stops

$503American Airlines

Mon, Aug 24 - Fri, Aug 28

4:05 pm - 2:15 pm

BWI

UVF

22h 10m

2 stops

3:09 pm - 6:30 pm

UVF

BWI

27h 21m

2 stops

$508American Airlines

Wed, Aug 19 - Wed, Aug 26

7:00 am - 2:05 pm

BWI

UVF

7h 05m

1 stop

3:25 pm - 12:57 am

UVF

BWI

9h 32m

1 stop

$585Delta

Fri, May 8 - Thu, May 14

6:59 am - 7:00 pm

DCA

SLU

12h 01m

2 stops

3:45 pm - 8:53 am

SLU

DCA

41h 08m

2 stops

$713Multiple Airlines

Fri, Jun 12 - Mon, Jun 15

4:00 pm - 7:00 pm

IAD

SLU

27h 00m

2 stops

12:35 pm - 3:25 pm

SLU

IAD

26h 50m

2 stops

$806Multiple Airlines

Wed, Sep 9 - Thu, Sep 17

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

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

Delta

Aug 12

BWI6:00 amBaltimore/Washington

8h 08m

1 stop

UVF2:08 pmCastries Hewanorra

Aug 27

UVF3:28 pmCastries Hewanorra

8h 48m

1 stop

BWI12:16 amBaltimore/Washington

$498

Delta

May 8

BWI7:00 amBaltimore/Washington

7h 05m

1 stop

UVF2:05 pmCastries Hewanorra

May 14

UVF3:25 pmCastries Hewanorra

9h 32m

1 stop

BWI12:57 amBaltimore/Washington

$585

Delta

May 8

BWI6:00 amBaltimore/Washington

8h 05m

1 stop

UVF2:05 pmCastries Hewanorra

May 14

UVF3:25 pmCastries Hewanorra

9h 32m

1 stop

BWI12:57 amBaltimore/Washington

$660

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

IAD4:05 pmWashington, D.C. Dulles Intl

22h 05m

1 stop

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:05 pmCastries Hewanorra

24h 19m

1 stop

IAD3:24 pmWashington, D.C. Dulles Intl

$422

Air Canada

Jun 15

IAD4:05 pmWashington, D.C. Dulles Intl

22h 05m

1 stop

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:05 pmCastries Hewanorra

23h 56m

2 stops

IAD3:01 pmWashington, D.C. Dulles Intl

$426

Air Canada

Jun 15

IAD4:05 pmWashington, D.C. Dulles Intl

22h 05m

1 stop

UVF2:10 pmCastries Hewanorra

Jun 19

UVF3:05 pmCastries Hewanorra

16h 39m

2 stops

IAD7:44 amWashington, 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

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/15

12:45 pm-2:10 pm

2 stops25h 25m

Castries Hewanorra

Fri 6/19

3:05 pm-12:00 pm

2 stops20h 55m

$422

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

4:05 pm-2:10 pm

1 stop22h 05m

Castries Hewanorra

Fri 6/19

3:05 pm-3:24 pm

1 stop24h 19m

$422

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

4:05 pm-2:10 pm

1 stop22h 05m

Castries Hewanorra

Fri 6/19

3:05 pm-3:01 pm

2 stops23h 56m

$426

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

4:05 pm-2:10 pm

1 stop22h 05m

Castries Hewanorra

Fri 6/19

3:05 pm-7:44 am

2 stops16h 39m

$427

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 8/12

6:00 am-2:08 pm

1 stop8h 08m

Castries Hewanorra

Thu 8/27

3:28 pm-12:16 am

1 stop8h 48m

$498

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Mon 8/24

10:53 am-2:09 pm

2 stops27h 16m

Castries Hewanorra

Fri 8/28

3:09 pm-6:30 pm

2 stops27h 21m

$503

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Wed 8/19

4:05 pm-2:15 pm

2 stops22h 10m

Castries Hewanorra

Wed 8/26

3:09 pm-6:30 pm

2 stops27h 21m

$508

Quickest round-trip

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 5/8

7:00 am-2:05 pm

1 stop7h 05m

Castries Hewanorra

Thu 5/14

3:25 pm-12:57 am

1 stop9h 32m

$585

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Fri 6/12

6:59 am-7:00 pm

2 stops12h 01m

Castries George F. L. Charle

Mon 6/15

3:45 pm-8:53 am

2 stops41h 08m

$713

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Wed 9/9

4:00 pm-7:00 pm

2 stops27h 00m

Castries George F. L. Charle

Thu 9/17

12:35 pm-3:25 pm

2 stops26h 50m

$806

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, 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 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 2,933 reviews	Search JetBlue flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.1 11,574 reviews	Search American Airlines flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.9 8,403 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 5/14

Thu 5/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Popular cities

Other flights from Washington, D.C.

Other flights to Saint Lucia

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Saint Lucia

Flights to Castriesfrom $469

Cheap flights from Washington, D.C. to Saint Lucia from $158

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 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Our best Delta 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

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 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

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Saint Lucia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Lucia

List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

Complete your trip to Saint Lucia

Explore popular destinations other users love

According to popular flight searches on momondo this year