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Cheap flights from Washington, D.C. Dulles Intl Airport to Castries from $203

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. Dulles Intl Airport to Castries departing on 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:10 pm - 2:10 pm
IAD
-
UVF
16h 00m
2 stops
Air Canada Logo
3:15 pm - 3:24 pm
UVF
-
IAD
24h 09m
1 stop
$390Air Canada
Mon, Jun 15 - Fri, Jun 19
Air Canada Logo
10:10 pm - 2:10 pm
IAD
-
UVF
16h 00m
2 stops
Air Canada Logo
3:15 pm - 11:43 am
UVF
-
IAD
20h 28m
2 stops
$404Air Canada
Mon, Jun 15 - Fri, Jun 19
Air Canada Logo
10:10 pm - 2:10 pm
IAD
-
UVF
40h 00m
2 stops
Air Canada Logo
3:15 pm - 7:44 am
UVF
-
IAD
16h 29m
2 stops
$408Air Canada
Sun, Jun 14 - Fri, Jun 19
Air Canada Logo
5:15 pm - 2:10 pm
IAD
-
UVF
20h 55m
1 stop
Air Canada Logo
3:15 pm - 3:24 pm
UVF
-
IAD
24h 09m
1 stop
$429Air Canada
Mon, Jun 15 - Fri, Jun 19
Air Canada Logo
8:18 am - 2:20 pm
IAD
-
UVF
30h 02m
2 stops
Air Canada Logo
3:15 pm - 7:44 am
UVF
-
IAD
40h 29m
2 stops
$490Air Canada
Mon, Jun 22 - Fri, Jun 26
Air Canada Logo
4:20 pm - 2:10 pm
IAD
-
UVF
21h 50m
1 stop
Air Canada Logo
3:05 pm - 3:24 pm
UVF
-
IAD
24h 19m
1 stop
$500Air Canada
Thu, Jul 23 - Tue, Jul 28
Air Canada Logo
3:45 pm - 2:10 pm
IAD
-
UVF
22h 25m
2 stops
Air Canada Logo
3:05 pm - 3:24 pm
UVF
-
IAD
24h 19m
1 stop
$504Air Canada
Thu, Jul 23 - Tue, Jul 28
Air Canada Logo
4:30 pm - 4:25 pm
IAD
-
UVF
22h 55m
1 stop
Air Canada Logo
5:25 pm - 3:50 pm
UVF
-
IAD
23h 25m
1 stop
$509Air Canada
Sun, Nov 1 - Fri, Nov 6
Air Canada Logo
4:30 pm - 4:25 pm
IAD
-
UVF
22h 55m
1 stop
Air Canada Logo
5:25 pm - 3:50 pm
UVF
-
IAD
23h 25m
1 stop
$515Air Canada
Sun, Nov 1 - Fri, Nov 6
Air Canada Logo
4:20 pm - 2:20 pm
IAD
-
UVF
22h 00m
1 stop
Air Canada Logo
3:15 pm - 3:24 pm
UVF
-
IAD
24h 09m
1 stop
$519Air Canada
Mon, Aug 24 - Fri, Aug 28

Air Canada flights from Washington, D.C. Dulles Intl Airport to Castries

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Castries flight tickets
Air Canada
Jun 14
IAD10:10 pmWashington, D.C. Dulles Intl
40h 00m
2 stops
UVF2:10 pmCastries Hewanorra
Jun 19
UVF3:15 pmCastries Hewanorra
16h 29m
2 stops
IAD7:44 amWashington, D.C. Dulles Intl
$408
Air Canada
Jun 22
IAD8:18 amWashington, D.C. Dulles Intl
30h 02m
2 stops
UVF2:20 pmCastries Hewanorra
Jun 26
UVF3:15 pmCastries Hewanorra
40h 29m
2 stops
IAD7:44 amWashington, D.C. Dulles Intl
$490
Air Canada
Jun 8
IAD10:10 pmWashington, D.C. Dulles Intl
16h 00m
2 stops
UVF2:10 pmCastries Hewanorra
Jun 26
UVF3:15 pmCastries Hewanorra
19h 57m
2 stops
IAD11:12 amWashington, D.C. Dulles Intl
$494

Delta flights from Washington, D.C. Dulles Intl Airport to Castries

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Castries flight tickets
Delta
Aug 16
IAD6:00 amWashington, D.C. Dulles Intl
8h 14m
1 stop
UVF2:14 pmCastries Hewanorra
Aug 26
UVF3:34 pmCastries Hewanorra
17h 46m
1 stop
IAD9:20 amWashington, D.C. Dulles Intl
$626
Delta
Aug 26
IAD6:00 amWashington, D.C. Dulles Intl
8h 14m
1 stop
UVF2:14 pmCastries Hewanorra
Sep 1
UVF3:34 pmCastries Hewanorra
9h 00m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
$638
Delta
Jun 16
IAD6:00 amWashington, D.C. Dulles Intl
8h 13m
1 stop
UVF2:13 pmCastries Hewanorra
Jul 8
UVF3:33 pmCastries Hewanorra
9h 08m
1 stop
IAD12:41 amWashington, D.C. Dulles Intl
$768

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 June 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Castries 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

$390
Quickest 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-11:43 am

2 stops20h 28m

$404

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 6/14

10:10 pm-2:10 pm

2 stops40h 00m

Castries Hewanorra

Fri 6/19

3:15 pm-7:44 am

2 stops16h 29m

$408

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

5:15 pm-2:10 pm

1 stop20h 55m

Castries Hewanorra

Fri 6/19

3:15 pm-3:24 pm

1 stop24h 09m

$429

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/22

8:18 am-2:20 pm

2 stops30h 02m

Castries Hewanorra

Fri 6/26

3:15 pm-7:44 am

2 stops40h 29m

$490

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 7/23

4:20 pm-2:10 pm

1 stop21h 50m

Castries Hewanorra

Tue 7/28

3:05 pm-3:24 pm

1 stop24h 19m

$500

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 7/23

3:45 pm-2:10 pm

2 stops22h 25m

Castries Hewanorra

Tue 7/28

3:05 pm-3:24 pm

1 stop24h 19m

$504

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 11/1

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Fri 11/6

5:25 pm-3:50 pm

1 stop23h 25m

$509

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 11/1

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Fri 11/6

5:25 pm-3:50 pm

1 stop23h 25m

$515

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 8/24

4:20 pm-2:20 pm

1 stop22h 00m

Castries Hewanorra

Fri 8/28

3:15 pm-3:24 pm

1 stop24h 09m

$519

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Castries from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl 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. Dulles Intl Airport and Castries?

What is the cheapest month to fly to Castries?

The month of January is, on average, the cheapest month to fly to Castries from Washington, D.C. Dulles Intl Airport, with most prices found around $468. The month of February is another great option to travel to Castries, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $551.

When to book flights from Washington, D.C. Dulles Intl Airport to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Castries (IAD to UVF) flight deals and tips

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

Fastest flight time

7h 10m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Castries takes 7h 10m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Castries. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Castries.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Castries

  • How far is Washington, D.C. Dulles Intl to Castries Hewanorra by plane?

    Castries Hewanorra is 1992.4 mi away from Washington, D.C. Dulles Intl. 7h 10m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Castries Hewanorra Airport are updated daily.

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

  • How old do you have to be to fly from Washington, D.C. Dulles Intl 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. Dulles Intl 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. Dulles Intl Airport to Castries?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Castries

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $351Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
DeltaPriceFrom $452Free CancellationRating
7.9
8,398 reviews
Search Delta 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?

Once you have performed a search for Washington, D.C. to Castries 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 Castries right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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