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Cheap flights from Washington, D.C. Dulles Intl Airport to Castries from $146

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 10/30. 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 (IAD-UVF)

Cheap round-trip flights

Air Canada Logo
2:25 pm - 2:15 pmIAD-UVF
23h 50m1 stop
Air Canada Logo
3:10 pm - 1:38 pmUVF-IAD
22h 28m1 stop
$367Air Canada
Find Deal
Mon, Sep 8 - Tue, Sep 16
Air Canada Logo
2:25 pm - 2:15 pmIAD-UVF
23h 50m1 stop
Air Canada Logo
3:10 pm - 9:38 amUVF-IAD
18h 28m1 stop
$408Air Canada
Find Deal
Mon, Sep 8 - Fri, Sep 19
Air Canada Logo
5:37 pm - 2:15 pmIAD-UVF
20h 38m2 stops
Air Canada Logo
3:10 pm - 11:13 amUVF-IAD
20h 03m2 stops
$410Air Canada
Find Deal
Mon, Sep 8 - Tue, Sep 16
Air Canada Logo
1:00 pm - 2:15 pmIAD-UVF
25h 15m2 stops
Air Canada Logo
3:10 pm - 9:38 amUVF-IAD
18h 28m1 stop
$413Air Canada
Find Deal
Mon, Sep 8 - Fri, Sep 19
Air Canada Logo
4:30 pm - 4:25 pmIAD-UVF
22h 55m1 stop
Air Canada Logo
5:15 pm - 3:54 pmUVF-IAD
23h 39m1 stop
$418Air Canada
Find Deal
Tue, Dec 2 - Wed, Dec 10
Delta Logo
6:00 am - 3:04 pmIAD-UVF
8h 04m1 stop
Delta Logo
4:24 pm - 9:11 amUVF-IAD
17h 47m1 stop
$505Delta
Find Deal
Sat, Feb 7 - Fri, Feb 13
Delta Logo
6:00 am - 3:04 pmIAD-UVF
8h 04m1 stop
Delta Logo
4:24 pm - 12:07 amUVF-IAD
8h 43m1 stop
$536Delta
Find Deal
Wed, Feb 11 - Fri, Feb 13
American Airlines Logo
5:00 am - 2:20 pmIAD-UVF
8h 20m1 stop
American Airlines Logo
5:05 pm - 11:55 pmUVF-IAD
7h 50m1 stop
$567American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
American Airlines Logo
2:04 pm - 1:00 pmIAD-UVF
21h 56m2 stops
American Airlines Logo
5:05 pm - 11:55 pmUVF-IAD
7h 50m1 stop
$572American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
United Airlines Logo
6:15 am - 1:31 pmIAD-UVF
7h 16m1 stop
United Airlines Logo
2:35 pm - 10:58 pmUVF-IAD
8h 23m1 stop
$617United Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11

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
Feb 7
IAD6:00 amWashington, D.C. Dulles Intl
8h 04m
1 stop
UVF3:04 pmCastries Hewanorra
Feb 13
UVF4:24 pmCastries Hewanorra
17h 47m
1 stop
IAD9:11 amWashington, D.C. Dulles Intl
$505
Find similar
Delta
Feb 11
IAD6:00 amWashington, D.C. Dulles Intl
8h 04m
1 stop
UVF3:04 pmCastries Hewanorra
Feb 13
UVF4:24 pmCastries Hewanorra
8h 43m
1 stop
IAD12:07 amWashington, D.C. Dulles Intl
$536
Find similar
Delta
Feb 7
IAD6:00 amWashington, D.C. Dulles Intl
8h 04m
1 stop
UVF3:04 pmCastries Hewanorra
Feb 15
UVF4:24 pmCastries Hewanorra
8h 43m
1 stop
IAD12:07 amWashington, D.C. Dulles Intl
$656
Find similar

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
Sep 8
IAD2:25 pmWashington, D.C. Dulles Intl
23h 50m
1 stop
UVF2:15 pmCastries Hewanorra
Sep 16
UVF3:10 pmCastries Hewanorra
22h 28m
1 stop
IAD1:38 pmWashington, D.C. Dulles Intl
$367
Find similar
Air Canada
Sep 8
IAD2:25 pmWashington, D.C. Dulles Intl
23h 50m
1 stop
UVF2:15 pmCastries Hewanorra
Sep 19
UVF3:10 pmCastries Hewanorra
18h 28m
1 stop
IAD9:38 amWashington, D.C. Dulles Intl
$408
Find similar
Air Canada
Sep 8
IAD5:37 pmWashington, D.C. Dulles Intl
20h 38m
2 stops
UVF2:15 pmCastries Hewanorra
Sep 16
UVF3:10 pmCastries Hewanorra
20h 03m
2 stops
IAD11:13 amWashington, D.C. Dulles Intl
$410
Find similar

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 August 21, 2025.
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

Mon 9/8

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Tue 9/16

3:10 pm-1:38 pm

1 stop22h 28m

$367

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/8

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Fri 9/19

3:10 pm-9:38 am

1 stop18h 28m

$408

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/8

5:37 pm-2:15 pm

2 stops20h 38m

Castries Hewanorra

Tue 9/16

3:10 pm-11:13 am

2 stops20h 03m

$410

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/8

1:00 pm-2:15 pm

2 stops25h 15m

Castries Hewanorra

Fri 9/19

3:10 pm-9:38 am

1 stop18h 28m

$413

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/2

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Wed 12/10

5:15 pm-3:54 pm

1 stop23h 39m

$418

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 2/7

6:00 am-3:04 pm

1 stop8h 04m

Castries Hewanorra

Fri 2/13

4:24 pm-9:11 am

1 stop17h 47m

$505

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 2/11

6:00 am-3:04 pm

1 stop8h 04m

Castries Hewanorra

Fri 2/13

4:24 pm-12:07 am

1 stop8h 43m

$536

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/9

5:00 am-2:20 pm

1 stop8h 20m

Castries Hewanorra

Tue 12/16

5:05 pm-11:55 pm

1 stop7h 50m

$567

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/9

2:04 pm-1:00 pm

2 stops21h 56m

Castries Hewanorra

Tue 12/16

5:05 pm-11:55 pm

1 stop7h 50m

$572

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 10/4

6:15 am-1:31 pm

1 stop7h 16m

Castries Hewanorra

Sat 10/11

2:35 pm-10:58 pm

1 stop8h 23m

$617

Flights are sorted by cheapest round-trip flights first.

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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 February is, on average, the cheapest month to fly to Castries from Washington, D.C. Dulles Intl Airport, with most prices found around $590. The month of November is another great option to travel to Castries, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $655.

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Castries is on a Tuesday when prices can be found for as low as $673. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $821. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the evening. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Castries in the evening for as low as $715. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly at noon, with an average ticket price of $797. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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.
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  • 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 03m 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 $555Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $555Free CancellationRating
7.9
7,981 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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