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Cheap flights from Washington, D.C. Reagan-National Airport to Castries 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. Reagan-National Airport to Castries 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:40 pm - 2:10 pm
DCA
-
UVF
17h 30m
1 stop
Air Canada Logo
3:05 pm - 6:13 pm
UVF
-
DCA
27h 08m
1 stop
$432Air Canada
Mon, Jun 1 - Fri, Jun 5
Air Canada Logo
12:45 pm - 2:10 pm
DCA
-
UVF
25h 25m
2 stops
Air Canada Logo
3:05 pm - 3:39 pm
UVF
-
DCA
24h 34m
2 stops
$436Air Canada
Mon, Jun 1 - Fri, Jun 5
Air Canada Logo
11:00 am - 2:05 pm
DCA
-
UVF
27h 05m
1 stop
Air Canada Logo
3:05 pm - 6:13 pm
UVF
-
DCA
27h 08m
1 stop
$457Air Canada
Mon, May 25 - Fri, Jun 5
Air Canada Logo
12:45 pm - 2:05 pm
DCA
-
UVF
25h 20m
2 stops
Air Canada Logo
3:05 pm - 10:19 am
UVF
-
DCA
19h 14m
2 stops
$461Air Canada
Mon, May 25 - Tue, Jun 2
Air Canada Logo
8:40 pm - 2:20 pm
DCA
-
UVF
17h 40m
1 stop
Air Canada Logo
3:05 pm - 8:52 am
UVF
-
DCA
17h 47m
1 stop
$472Air Canada
Thu, Jun 18 - Tue, Jun 23
Air Canada Logo
8:40 pm - 2:20 pm
DCA
-
UVF
17h 40m
1 stop
Air Canada Logo
3:15 pm - 6:12 pm
UVF
-
DCA
26h 57m
1 stop
$480Air Canada
Thu, Aug 27 - Tue, Sep 1
Air Canada Logo
4:20 pm - 2:20 pm
DCA
-
UVF
22h 00m
2 stops
Air Canada Logo
3:15 pm - 12:00 pm
UVF
-
DCA
20h 45m
2 stops
$484Air Canada
Mon, Aug 24 - Fri, Aug 28
Air Canada Logo
12:40 pm - 2:20 pm
DCA
-
UVF
25h 40m
2 stops
Air Canada Logo
3:15 pm - 12:00 pm
UVF
-
DCA
20h 45m
2 stops
$490Air Canada
Mon, Aug 24 - Tue, Sep 1
Air Canada Logo
8:40 pm - 2:20 pm
DCA
-
UVF
17h 40m
1 stop
Air Canada Logo
3:15 pm - 12:00 pm
UVF
-
DCA
20h 45m
2 stops
$492Air Canada
Thu, Aug 20 - Tue, Aug 25
Air Canada Logo
6:55 pm - 2:20 pm
DCA
-
UVF
19h 25m
1 stop
Air Canada Logo
3:15 pm - 6:15 pm
UVF
-
DCA
27h 00m
1 stop
$496Air Canada
Mon, Aug 31 - Tue, Sep 8

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Castries flight tickets
Air Canada
Jun 1
DCA8:40 pmWashington, D.C. Reagan-National
17h 30m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 5
UVF3:05 pmCastries Hewanorra
20h 56m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
$432
Air Canada
Jun 1
DCA12:45 pmWashington, D.C. Reagan-National
25h 25m
2 stops
UVF2:10 pmCastries Hewanorra
Jun 5
UVF3:05 pmCastries Hewanorra
24h 34m
2 stops
DCA3:39 pmWashington, D.C. Reagan-National
$436
Air Canada
May 25
DCA11:00 amWashington, D.C. Reagan-National
27h 05m
1 stop
UVF2:05 pmCastries Hewanorra
Jun 5
UVF3:05 pmCastries Hewanorra
27h 08m
1 stop
DCA6:13 pmWashington, D.C. Reagan-National
$457

JetBlue flights from Washington, D.C. Reagan-National Airport to Castries

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Castries flight tickets
JetBlue
May 31
DCA6:00 amWashington, D.C. Reagan-National
9h 40m
1 stop
UVF3:40 pmCastries Hewanorra
Jun 4
UVF2:10 pmCastries Hewanorra
8h 49m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$588
JetBlue
May 25
DCA6:00 amWashington, D.C. Reagan-National
9h 35m
1 stop
UVF3:35 pmCastries Hewanorra
May 29
UVF2:10 pmCastries Hewanorra
8h 49m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$591
JetBlue
May 31
DCA6:00 amWashington, D.C. Reagan-National
9h 40m
1 stop
UVF3:40 pmCastries Hewanorra
Jun 4
UVF2:10 pmCastries Hewanorra
8h 49m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$593

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Castries 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 6/1

8:40 pm-2:10 pm

1 stop17h 30m

Castries Hewanorra

Fri 6/5

3:05 pm-6:13 pm

1 stop27h 08m

$432

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/1

12:45 pm-2:10 pm

2 stops25h 25m

Castries Hewanorra

Fri 6/5

3:05 pm-3:39 pm

2 stops24h 34m

$436

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 5/25

11:00 am-2:05 pm

1 stop27h 05m

Castries Hewanorra

Fri 6/5

3:05 pm-6:13 pm

1 stop27h 08m

$457

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 5/25

12:45 pm-2:05 pm

2 stops25h 20m

Castries Hewanorra

Tue 6/2

3:05 pm-10:19 am

2 stops19h 14m

$461
Quickest round-trip

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 6/18

8:40 pm-2:20 pm

1 stop17h 40m

Castries Hewanorra

Tue 6/23

3:05 pm-8:52 am

1 stop17h 47m

$472

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 8/27

8:40 pm-2:20 pm

1 stop17h 40m

Castries Hewanorra

Tue 9/1

3:15 pm-6:12 pm

1 stop26h 57m

$480

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 8/24

4:20 pm-2:20 pm

2 stops22h 00m

Castries Hewanorra

Fri 8/28

3:15 pm-12:00 pm

2 stops20h 45m

$484

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 8/24

12:40 pm-2:20 pm

2 stops25h 40m

Castries Hewanorra

Tue 9/1

3:15 pm-12:00 pm

2 stops20h 45m

$490

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 8/20

8:40 pm-2:20 pm

1 stop17h 40m

Castries Hewanorra

Tue 8/25

3:15 pm-12:00 pm

2 stops20h 45m

$492

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 8/31

6:55 pm-2:20 pm

1 stop19h 25m

Castries Hewanorra

Tue 9/8

3:15 pm-6:15 pm

1 stop27h 00m

$496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Castries

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

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Castries?

What is the cheapest month to fly to Castries?

The month of May is, on average, the cheapest month to fly to Castries from Washington, D.C. Reagan-National Airport, with most prices found around $561. The month of January is another great option to travel to Castries, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $567.

When to book flights from Washington, D.C. Reagan-National Airport to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Castries (DCA to UVF) flight deals and tips

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

Fastest flight time

8h 13m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Castries takes 8h 13m
There are no direct flights from Washington, D.C. Reagan-National Airport to Castries. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Castries.
Search flight deals

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

  • How far is Washington, D.C. Reagan-National to Castries Hewanorra by plane?

    The straight-line distance from Washington, D.C. Reagan-National to Castries Hewanorra is 1974.4 mi. By plane, this route typically takes 8h 13m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Castries Hewanorra Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Castries Hewanorra Airport were last updated today.

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

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Castries Hewanorra Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents required for your trip to Castries Hewanorra Airport 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 Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Castries?

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Castries with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $179Free CancellationRating
7.2
2,946 reviews
Search JetBlue flights
American AirlinesPriceFrom $517Free CancellationRating
7.1
11,617 reviews
Search American Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

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

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 Castries. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Castries 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 Castries?

momondo helps you find the best flight between Washington, D.C. and Castries 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 Castries right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Castries, momondo offers a useful price alert feature which will track prices for flights to Castries from Washington, D.C. and alert you when they change.

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