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

Air Canada is the most popular carrier operating from Washington, D.C. Reagan-National to Saint Lucia

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?

As of September 2026, there are 2 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Saint Lucia.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Saint Lucia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The travel and health documents required for your trip to Saint Lucia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$128 Cheap Flights from Washington, D.C. Reagan-National Airport to Saint Lucia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Saint Lucia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:59 am - 3:40 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 41m1 stop Toronto Pearson Intl

5:40 pm - 10:38 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

29h 58m1 stop Toronto Pearson Intl

$404Air Canada

Sun, Oct 25 - Sun, Nov 1

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

30h 00m1 stop Toronto Pearson Intl

5:40 pm - 12:19 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

19h 39m2 stops Toronto Pearson Intl Ottawa

$404Air Canada

Wed, Nov 25 - Mon, Nov 30

6:59 am - 3:40 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 41m1 stop Toronto Pearson Intl

5:40 pm - 12:19 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

19h 39m2 stops Toronto Pearson Intl Ottawa

$404Air Canada

Sun, Oct 25 - Sun, Nov 1

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

26h 45m2 stops Ottawa Toronto Pearson Intl

5:40 pm - 12:19 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

19h 39m2 stops Toronto Pearson Intl Ottawa

$404Air Canada

Wed, Nov 25 - Mon, Nov 30

7:59 pm - 1:30 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

16h 31m1 stop Miami

4:41 pm - 12:30 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 49m1 stop Miami

$594American Airlines

Thu, Nov 5 - Tue, Nov 10

5:00 am - 3:04 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

10h 04m1 stop Miami

2:42 pm - 11:13 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 31m1 stop Miami

$594American Airlines

Thu, Oct 8 - Tue, Oct 13

7:59 pm - 1:32 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

16h 33m1 stop Miami

2:32 pm - 11:19 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 47m1 stop Miami

$594American Airlines

Thu, Dec 3 - Sat, Dec 5

6:15 am - 3:31 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 16m1 stop New York John F Kennedy Intl

1:35 pm - 10:52 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

10h 17m1 stop New York John F Kennedy Intl

$1,147JetBlue

Thu, Dec 3 - Sat, Dec 5

6:15 am - 3:42 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 27m1 stop New York John F Kennedy Intl

3:27 pm - 10:53 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 26m1 stop New York John F Kennedy Intl

$1,486JetBlue

Sun, Dec 20 - Sat, Dec 26

6:00 am - 4:11 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 11m1 stop New York John F Kennedy Intl

3:50 pm - 10:52 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 02m1 stop New York John F Kennedy Intl

$4,684JetBlue

Sat, Nov 21 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 am - 1:49 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

8h 49m1 stop Miami

2:49 pm - 12:57 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

10h 08m1 stop Miami

$979American Airlines

Tue, Sep 1 - Mon, Sep 7

6:00 am - 1:49 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

7h 49m1 stop Miami

2:49 pm - 9:03 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

18h 14m1 stop Miami

$984American Airlines

Wed, Sep 2 - Mon, Sep 7

10:16 pm - 1:49 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

15h 33m2 stops Chicago O'Hare Intl Miami

4:12 pm - 12:57 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 45m1 stop Miami

$984American Airlines

Tue, Sep 1 - Mon, Sep 7

10:12 pm - 1:49 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

15h 37m2 stops New York LaGuardia Miami

4:12 pm - 7:59 amUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

15h 47m2 stops Miami New York John F Kennedy Intl

$984American Airlines

Tue, Sep 1 - Mon, Sep 7

6:05 am - 3:12 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 07m1 stop New York John F Kennedy Intl

1:50 pm - 10:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 09m1 stop New York John F Kennedy Intl

$1,350JetBlue

Fri, Sep 4 - Mon, Sep 7

6:10 am - 3:12 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 02m1 stop New York John F Kennedy Intl

2:13 pm - 10:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

8h 46m1 stop New York John F Kennedy Intl

$1,450JetBlue

Thu, Sep 3 - Sat, Sep 5

6:05 am - 3:12 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 07m1 stop New York John F Kennedy Intl

1:50 pm - 10:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 09m1 stop New York John F Kennedy Intl

$1,590JetBlue

Fri, Sep 4 - Mon, Sep 7

6:05 am - 3:12 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 07m1 stop New York John F Kennedy Intl

1:50 pm - 10:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 09m1 stop New York John F Kennedy Intl

$1,707JetBlue

Fri, Sep 4 - Mon, Sep 7

6:05 am - 3:12 pmDCA Washington, D.C. Reagan-National-UVF Castries Hewanorra

9h 07m1 stop New York John F Kennedy Intl

1:50 pm - 10:59 pmUVF Castries Hewanorra-DCA Washington, D.C. Reagan-National

9h 09m1 stop New York John F Kennedy Intl

$2,007JetBlue

Fri, Sep 4 - Mon, Sep 7

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American Airlines flights from Washington, D.C. Reagan-National Airport to Saint Lucia

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Saint Lucia flight tickets

American Airlines

Oct 8

DCA5:00 amWashington, D.C. Reagan-National

10h 04m

1 stop

UVF3:04 pmCastries Hewanorra

Oct 13

UVF2:42 pmCastries Hewanorra

8h 31m

1 stop

DCA11:13 pmWashington, D.C. Reagan-National

$594

American Airlines

Sep 23

DCA5:00 amWashington, D.C. Reagan-National

9h 02m

1 stop

UVF2:02 pmCastries Hewanorra

Sep 30

UVF3:02 pmCastries Hewanorra

8h 11m

1 stop

DCA11:13 pmWashington, D.C. Reagan-National

$599

American Airlines

Sep 23

DCA6:00 amWashington, D.C. Reagan-National

8h 02m

1 stop

UVF2:02 pmCastries Hewanorra

Sep 30

UVF3:02 pmCastries Hewanorra

19h 47m

2 stops

DCA10:49 amWashington, D.C. Reagan-National

$604

Air Canada flights from Washington, D.C. Reagan-National Airport to Saint Lucia

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

Air Canada

Oct 25

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

8h 41m

1 stop

UVF3:40 pmCastries Hewanorra

Nov 1

UVF5:40 pmCastries Hewanorra

19h 39m

2 stops

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

$404

Air Canada

Sep 24

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

17h 35m

1 stop

UVF2:15 pmCastries Hewanorra

Oct 2

UVF3:10 pmCastries Hewanorra

20h 50m

2 stops

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

$414

Air Canada

Dec 2

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

18h 55m

1 stop

UVF4:40 pmCastries Hewanorra

Dec 9

UVF5:40 pmCastries Hewanorra

22h 44m

2 stops

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

$417

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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

Sun 10/25

6:59 am-3:40 pm

1 stop8h 41m

Castries Hewanorra

Sun 11/1

5:40 pm-10:38 pm

1 stop29h 58m

$404

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Wed 11/25

9:40 am-4:40 pm

1 stop30h 00m

Castries Hewanorra

Mon 11/30

5:40 pm-12:19 pm

2 stops19h 39m

$404

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Sun 10/25

6:59 am-3:40 pm

1 stop8h 41m

Castries Hewanorra

Sun 11/1

5:40 pm-12:19 pm

2 stops19h 39m

$404

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Wed 11/25

12:55 pm-4:40 pm

2 stops26h 45m

Castries Hewanorra

Mon 11/30

5:40 pm-12:19 pm

2 stops19h 39m

$404

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Thu 11/5

7:59 pm-1:30 pm

1 stop16h 31m

Castries Hewanorra

Tue 11/10

4:41 pm-12:30 am

1 stop8h 49m

$594

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Thu 10/8

5:00 am-3:04 pm

1 stop10h 04m

Castries Hewanorra

Tue 10/13

2:42 pm-11:13 pm

1 stop8h 31m

$594

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Thu 12/3

7:59 pm-1:32 pm

1 stop16h 33m

Castries Hewanorra

Sat 12/5

2:32 pm-11:19 pm

1 stop9h 47m

$594

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Thu 12/3

6:15 am-3:31 pm

1 stop8h 16m

Castries Hewanorra

Sat 12/5

1:35 pm-10:52 pm

1 stop10h 17m

$1,147

Quickest round-trip

Washington, D.C.Castries

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

DCAUVF

Washington, D.C. Reagan-National

Sun 12/20

6:15 am-3:42 pm

1 stop8h 27m

Castries Hewanorra

Sat 12/26

3:27 pm-10:53 pm

1 stop8h 26m

$1,486

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-4:11 pm

1 stop9h 11m

Castries Hewanorra

Sat 11/28

3:50 pm-10:52 pm

1 stop8h 02m

$4,684

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. Reagan-National Airport 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

What is the cheapest month to fly to Saint Lucia?

The month of January is, on average, the cheapest month to fly to Saint Lucia from Washington, D.C. Reagan-National Airport, with most prices found around $567. If you aren’t able to travel to Saint Lucia during the month of January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $601.

Cheap Washington, D.C. Reagan-National Airport to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Saint Lucia

Best Price Found	$128
Fastest flight time	7h 06m
Direct flights	None

The best one-way flight to Saint Lucia from Washington, D.C. Reagan-National Airport in the past 72 hours is $128. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Saint Lucia found on momondo in the last 72 hours is $404.

The fastest flight from Washington, D.C. Reagan-National Airport to Saint Lucia takes 7h 06m

There are no direct flights from Washington, D.C. Reagan-National Airport to Saint Lucia. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Saint Lucia.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Saint Lucia

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?
Prices for flights from Washington, D.C. Reagan-National Airport to Saint Lucia were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Saint Lucia?
As of September 2026, there are 2 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Saint Lucia.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents required for your trip to Saint Lucia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Washington, D.C. Reagan-National Airport to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $241	Free Cancellation	Rating 7.1 3,035 reviews		Search JetBlue flights
American Airlines	PriceFrom $517	Free Cancellation	Rating 7.1 12,023 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Saint Lucia?

It is quick and easy to find Washington, D.C. to Saint Lucia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.

Can I find flights from Washington, D.C. to Saint Lucia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Lucia from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Saint Lucia?

Once you have performed a search for Washington, D.C. to Saint Lucia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 $515

Cheap flights from Washington, D.C. Reagan-National Airport to Saint Lucia from $128

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Saint Lucia

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American Airlines flights from Washington, D.C. Reagan-National Airport to Saint Lucia

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Saint Lucia flight tickets

Air Canada flights from Washington, D.C. Reagan-National Airport to Saint Lucia

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Saint Lucia

What is the cheapest month to fly to Saint Lucia?

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

Cheap Washington, D.C. Reagan-National Airport to Saint Lucia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Saint Lucia

Best airlines flying from Washington, D.C. Reagan-National Airport to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport 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

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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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