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

Air Canada, American Airlines, and United 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.

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 Washington, D.C. (a popular airport in Washington, D.C.) to Castries (the most popular airport in Saint Lucia), then the flight time is 7h on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Castries, then the average flight time is 8h.

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 November 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.

$236 Cheap Flights from Washington, D.C. to Saint Lucia in 2026/27

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:59 am - 4:40 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 41m1 stop Toronto Pearson Intl

5:35 pm - 8:58 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

16h 23m1 stop Toronto Pearson Intl

$558Air Canada

Wed, Dec 2 - Wed, Dec 9

12:55 pm - 4:40 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

26h 45m2 stops Ottawa Toronto Pearson Intl

5:35 pm - 12:19 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

19h 44m2 stops Toronto Pearson Intl Ottawa

$558Air Canada

Wed, Dec 2 - Wed, Dec 9

6:59 am - 4:40 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 41m1 stop Toronto Pearson Intl

5:35 pm - 12:19 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

19h 44m2 stops Toronto Pearson Intl Ottawa

$558Air Canada

Wed, Dec 2 - Wed, Dec 9

5:00 am - 3:38 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 38m1 stop Miami

3:46 pm - 11:41 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 55m1 stop Miami

$667American Airlines

Sun, Jan 10 - Thu, Jan 14

7:59 pm - 2:46 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

17h 47m1 stop Miami

3:28 pm - 11:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 31m1 stop Charlotte Douglas

$667American Airlines

Sun, Jan 10 - Fri, Jan 15

7:21 pm - 2:16 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

17h 55m1 stop Charlotte Douglas

4:38 pm - 12:29 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 51m1 stop Miami

$667American Airlines

Sat, Jan 23 - Fri, Jan 29

6:00 am - 2:00 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 00m1 stop Atlanta Hartsfield-Jackson

3:20 pm - 12:20 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

$689Delta

Wed, Mar 24 - Wed, Mar 31

6:00 am - 3:11 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 11m1 stop Atlanta Hartsfield-Jackson

4:35 pm - 12:46 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 11m1 stop Atlanta Hartsfield-Jackson

$709Delta

Wed, Jan 13 - Tue, Jan 19

6:00 am - 3:45 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 45m1 stop New York John F Kennedy Intl

2:01 pm - 10:56 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 55m1 stop New York John F Kennedy Intl

$1,233JetBlue

Mon, Feb 22 - Sat, Feb 27

6:00 am - 2:34 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

7h 34m1 stop New York John F Kennedy Intl

3:55 pm - 10:52 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

7h 57m1 stop New York John F Kennedy Intl

$1,316JetBlue

Sat, Nov 21 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

9:55 am - 4:40 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

29h 45m1 stop Toronto Pearson Intl

5:35 pm - 8:10 pmUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

27h 35m1 stop Toronto Pearson Intl

$561Air Canada

Sun, Nov 15 - Thu, Nov 19

9:40 am - 4:40 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

30h 00m1 stop Toronto Pearson Intl

5:35 pm - 7:58 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

27h 23m1 stop Toronto Pearson Intl

$561Air Canada

Sun, Nov 15 - Thu, Nov 19

9:55 am - 4:40 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

29h 45m1 stop Toronto Pearson Intl

5:35 pm - 8:10 pmUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

27h 35m1 stop Toronto Pearson Intl

$567Air Canada

Sun, Nov 15 - Thu, Nov 19

6:00 am - 3:05 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 05m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 12:41 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 16m1 stop Atlanta Hartsfield-Jackson

$994Delta

Thu, Nov 12 - Tue, Nov 17

6:00 am - 3:05 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 05m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 12:41 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 16m1 stop Atlanta Hartsfield-Jackson

$1,014Delta

Thu, Nov 12 - Tue, Nov 17

6:00 am - 3:07 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 07m1 stop Charlotte Douglas

4:07 pm - 10:59 pmUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

7h 52m1 stop Charlotte Douglas

$1,055American Airlines

Thu, Nov 12 - Tue, Nov 17

5:00 am - 1:30 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

7h 30m1 stop Miami

4:07 pm - 11:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 52m1 stop Charlotte Douglas

$1,055American Airlines

Thu, Nov 12 - Tue, Nov 17

6:00 am - 3:05 pmIAD Washington, D.C. Dulles Intl-UVF Castries Hewanorra

8h 05m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 12:41 amUVF Castries Hewanorra-IAD Washington, D.C. Dulles Intl

9h 16m1 stop Atlanta Hartsfield-Jackson

$1,061Delta

Thu, Nov 12 - Tue, Nov 17

5:00 am - 3:41 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 41m2 stops Charlotte Douglas Miami

4:41 pm - 9:28 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

17h 47m1 stop Miami

$1,065American Airlines

Fri, Nov 13 - Sat, Nov 14

6:15 am - 3:55 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 40m1 stop New York John F Kennedy Intl

3:55 pm - 10:52 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

7h 57m1 stop New York John F Kennedy Intl

$1,318JetBlue

Sat, Nov 14 - Sat, Nov 21

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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

Air Canada

Dec 2

DCA6:59 amWashington, D.C. Reagan-National

8h 41m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 9

UVF5:35 pmCastries Hewanorra

19h 44m

2 stops

DCA12:19 pmWashington, D.C. Reagan-National

$558

Air Canada

Nov 15

DCA9:40 amWashington, D.C. Reagan-National

30h 00m

1 stop

UVF4:40 pmCastries Hewanorra

Nov 19

UVF5:35 pmCastries Hewanorra

27h 23m

1 stop

DCA7:58 pmWashington, D.C. Reagan-National

$561

Air Canada

Nov 29

DCA8:45 pmWashington, D.C. Reagan-National

18h 55m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 7

UVF5:35 pmCastries Hewanorra

22h 49m

2 stops

DCA3:24 pmWashington, D.C. Reagan-National

$562

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

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

Delta

Mar 24

IAD6:00 amWashington, D.C. Dulles Intl

8h 00m

1 stop

UVF2:00 pmCastries Hewanorra

Mar 31

UVF3:20 pmCastries Hewanorra

9h 00m

1 stop

IAD12:20 amWashington, D.C. Dulles Intl

$689

Delta

Jan 6

IAD6:00 amWashington, D.C. Dulles Intl

8h 11m

1 stop

UVF3:11 pmCastries Hewanorra

Jan 13

UVF4:31 pmCastries Hewanorra

9h 20m

1 stop

IAD12:51 amWashington, D.C. Dulles Intl

$709

Delta

Dec 4

IAD6:00 amWashington, D.C. Dulles Intl

8h 04m

1 stop

UVF3:04 pmCastries Hewanorra

Dec 10

UVF4:26 pmCastries Hewanorra

9h 15m

1 stop

IAD12:41 amWashington, D.C. Dulles Intl

$729

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 Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Wed 12/2

6:59 am-4:40 pm

1 stop8h 41m

Castries Hewanorra

Wed 12/9

5:35 pm-8:58 am

1 stop16h 23m

$558

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Wed 12/2

12:55 pm-4:40 pm

2 stops26h 45m

Castries Hewanorra

Wed 12/9

5:35 pm-12:19 pm

2 stops19h 44m

$558

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Wed 12/2

6:59 am-4:40 pm

1 stop8h 41m

Castries Hewanorra

Wed 12/9

5:35 pm-12:19 pm

2 stops19h 44m

$558

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Sun 1/10

5:00 am-3:38 pm

1 stop9h 38m

Castries Hewanorra

Thu 1/14

3:46 pm-11:41 pm

1 stop8h 55m

$667

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Sun 1/10

7:59 pm-2:46 pm

1 stop17h 47m

Castries Hewanorra

Fri 1/15

3:28 pm-11:59 pm

1 stop9h 31m

$667

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Sat 1/23

7:21 pm-2:16 pm

1 stop17h 55m

Castries Hewanorra

Fri 1/29

4:38 pm-12:29 am

1 stop8h 51m

$667

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Wed 3/24

6:00 am-2:00 pm

1 stop8h 00m

Castries Hewanorra

Wed 3/31

3:20 pm-12:20 am

1 stop9h 00m

$689

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Wed 1/13

6:00 am-3:11 pm

1 stop8h 11m

Castries Hewanorra

Tue 1/19

4:35 pm-12:46 am

1 stop9h 11m

$709

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Mon 2/22

6:00 am-3:45 pm

1 stop8h 45m

Castries Hewanorra

Sat 2/27

2:01 pm-10:56 pm

1 stop9h 55m

$1,233

Quickest round-trip

Washington, D.C.Castries

DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra

DCAUVF

Washington, D.C. Reagan-National

Sat 11/21

6:00 am-2:34 pm

1 stop7h 34m

Castries Hewanorra

Sat 11/28

3:55 pm-10:52 pm

1 stop7h 57m

$1,316

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 February is, on average, the cheapest month to fly to Saint Lucia from Washington, D.C., with most prices found around $587. If you aren’t able to travel to Saint Lucia during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $629.

Can stopping save me money on Washington, D.C. to Saint Lucia flights?

You could potentially save up to 17% on your flight if you consider stops on a Washington, D.C. to Saint Lucia flight.

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

Best Price Found	$236
Fastest flight time	7h 00m
Direct flights	None

The best one-way flight to Saint Lucia from Washington, D.C. in the past 72 hours is $236. The best round-trip flight deal from Washington, D.C. to Saint Lucia found on momondo in the last 72 hours is $558.

The fastest flight from Washington, D.C. to Saint Lucia takes 7h 00m

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 November 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 $241	Free Cancellation	Rating 7.1 3,066 reviews	Search JetBlue flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.8 8,700 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

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Flights to Castriesfrom $629

Cheap flights from Washington, D.C. to Saint Lucia from $236

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 12/7. 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

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?

Can stopping save me money on Washington, D.C. to Saint Lucia flights?

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

Best Price Found

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

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