Cheap flights from Washington, D.C. Dulles Intl Airport to Castries from $132

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 5/4. 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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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 - 2:05 pm
IAD
-
UVF
39h 55m
2 stops
Air Canada Logo
3:05 pm - 7:44 am
UVF
-
IAD
16h 39m
2 stops
$368Air Canada
Wed, May 27 - Tue, Jun 2
Air Canada Logo
3:45 pm - 2:20 pm
IAD
-
UVF
22h 35m
2 stops
Air Canada Logo
3:05 pm - 7:44 am
UVF
-
IAD
16h 39m
2 stops
$372Air Canada
Thu, Jun 18 - Tue, Jun 23
Air Canada Logo
4:05 pm - 2:10 pm
IAD
-
UVF
22h 05m
1 stop
Air Canada Logo
3:05 pm - 4:35 pm
UVF
-
IAD
25h 30m
2 stops
$388Air Canada
Mon, Jun 8 - Fri, Jun 12
Air Canada Logo
9:55 am - 2:20 pm
IAD
-
UVF
28h 25m
1 stop
Air Canada Logo
3:05 pm - 3:29 pm
UVF
-
IAD
24h 24m
1 stop
$418Air Canada
Thu, Jun 18 - Tue, Jun 23
Air Canada Logo
4:30 pm - 3:25 pm
IAD
-
UVF
22h 55m
1 stop
Air Canada Logo
4:20 pm - 8:29 pm
UVF
-
IAD
28h 09m
1 stop
$451Air Canada
Wed, Apr 15 - Wed, Apr 22
Air Canada Logo
4:30 pm - 3:20 pm
IAD
-
UVF
22h 50m
1 stop
Air Canada Logo
4:20 pm - 11:50 am
UVF
-
IAD
19h 30m
2 stops
$454Air Canada
Tue, Mar 31 - Sun, Apr 5
Air Canada Logo
10:07 pm - 3:25 pm
IAD
-
UVF
17h 18m
2 stops
Air Canada Logo
4:20 pm - 11:50 am
UVF
-
IAD
19h 30m
2 stops
$459Air Canada
Sun, Mar 29 - Sun, Apr 5
Air Canada Logo
5:10 pm - 3:20 pm
IAD
-
UVF
22h 10m
2 stops
Air Canada Logo
3:15 pm - 3:29 pm
UVF
-
IAD
24h 14m
1 stop
$464Air Canada
Tue, Apr 28 - Tue, May 5
Air Canada Logo
4:30 pm - 3:25 pm
IAD
-
UVF
22h 55m
1 stop
Air Canada Logo
4:20 pm - 3:39 pm
UVF
-
IAD
23h 19m
1 stop
$467Air Canada
Wed, Apr 8 - Wed, Apr 15
Air Canada Logo
12:40 pm - 3:20 pm
IAD
-
UVF
26h 40m
2 stops
Air Canada Logo
3:15 pm - 3:29 pm
UVF
-
IAD
24h 14m
1 stop
$468Air Canada
Sun, Apr 26 - Tue, May 5

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
May 27
IAD10:10 pmWashington, D.C. Dulles Intl
39h 55m
2 stops
UVF2:05 pmCastries Hewanorra
Jun 2
UVF3:05 pmCastries Hewanorra
16h 39m
2 stops
IAD7:44 amWashington, D.C. Dulles Intl
$368
Air Canada
Jun 18
IAD3:45 pmWashington, D.C. Dulles Intl
22h 35m
2 stops
UVF2:20 pmCastries Hewanorra
Jun 23
UVF3:05 pmCastries Hewanorra
16h 39m
2 stops
IAD7:44 amWashington, D.C. Dulles Intl
$372
Air Canada
Jun 8
IAD4:05 pmWashington, D.C. Dulles Intl
22h 05m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 12
UVF3:05 pmCastries Hewanorra
25h 30m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
$388

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Castries flight tickets
American Airlines
Mar 13
IAD5:00 amWashington, D.C. Dulles Intl
9h 58m
2 stops
UVF2:58 pmCastries Hewanorra
Mar 19
UVF3:58 pmCastries Hewanorra
28h 32m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
$876
American Airlines
Mar 13
IAD5:00 amWashington, D.C. Dulles Intl
9h 18m
1 stop
UVF2:18 pmCastries Hewanorra
Mar 19
UVF3:58 pmCastries Hewanorra
28h 32m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
$926
American Airlines
Mar 8
IAD4:46 pmWashington, D.C. Dulles Intl
21h 02m
2 stops
UVF1:48 pmCastries Hewanorra
Mar 15
UVF3:18 pmCastries Hewanorra
17h 30m
1 stop
IAD8:48 amWashington, D.C. Dulles Intl
$931

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 March 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

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 5/27

10:10 pm-2:05 pm

2 stops39h 55m

Castries Hewanorra

Tue 6/2

3:05 pm-7:44 am

2 stops16h 39m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 6/18

3:45 pm-2:20 pm

2 stops22h 35m

Castries Hewanorra

Tue 6/23

3:05 pm-7:44 am

2 stops16h 39m

$372

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/8

4:05 pm-2:10 pm

1 stop22h 05m

Castries Hewanorra

Fri 6/12

3:05 pm-4:35 pm

2 stops25h 30m

$388

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 6/18

9:55 am-2:20 pm

1 stop28h 25m

Castries Hewanorra

Tue 6/23

3:05 pm-3:29 pm

1 stop24h 24m

$418

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 4/15

4:30 pm-3:25 pm

1 stop22h 55m

Castries Hewanorra

Wed 4/22

4:20 pm-8:29 pm

1 stop28h 09m

$451

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-3:20 pm

1 stop22h 50m

Castries Hewanorra

Sun 4/5

4:20 pm-11:50 am

2 stops19h 30m

$454

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 3/29

10:07 pm-3:25 pm

2 stops17h 18m

Castries Hewanorra

Sun 4/5

4:20 pm-11:50 am

2 stops19h 30m

$459

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 4/28

5:10 pm-3:20 pm

2 stops22h 10m

Castries Hewanorra

Tue 5/5

3:15 pm-3:29 pm

1 stop24h 14m

$464

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 4/8

4:30 pm-3:25 pm

1 stop22h 55m

Castries Hewanorra

Wed 4/15

4:20 pm-3:39 pm

1 stop23h 19m

$467

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 4/26

12:40 pm-3:20 pm

2 stops26h 40m

Castries Hewanorra

Tue 5/5

3:15 pm-3:29 pm

1 stop24h 14m

$468

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. 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 $612.

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 08m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Castries takes 7h 08m
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.
  • 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 08m 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
11,375 reviews
Search American Airlines flights
DeltaPriceFrom $452Free CancellationRating
7.9
8,242 reviews
Search Delta flights

Traveling to a place near Castries?

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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.

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