HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Castries

$134+ Cheap flights from Dulles Intl (IAD) to Castries (UVF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Castries with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Castries

Cheapest flights from Dulles Intl to Castries
Explore the most affordable flight options available from Dulles Intl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:00 am
IAD
-
UVF
1 stop8h 05m
Delta
Tue 2/104:25 pm
UVF
-
IAD
1 stop8h 59m
Delta
Deal found 1/26$368
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:14 am
IAD
-
UVF
2 stops28h 55m
American Airlines
Fri 8/283:09 pm
UVF
-
IAD
2 stops28h 40m
American Airlines
Deal found 1/24$373
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:46 pm
IAD
-
UVF
2 stops21h 16m
American Airlines
Sun 2/12:46 pm
UVF
-
IAD
2 stops21h 12m
American Airlines
Deal found 1/26$378
This American Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:34 am
IAD
-
UVF
1 stop26h 29m
American Airlines
Mon 2/95:02 pm
UVF
-
IAD
2 stops25h 14m
American Airlines
Deal found 1/23$379
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:19 am
IAD
-
UVF
2 stops28h 16m
American Airlines
Tue 4/142:35 pm
UVF
-
IAD
2 stops33h 24m
American Airlines
Deal found 1/26$386
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:30 pm
IAD
-
UVF
1 stop22h 50m
Air Canada
Wed 3/114:15 pm
UVF
-
IAD
1 stop23h 31m
Air Canada
Deal found 1/26$394
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:01 am
IAD
-
UVF
1 stop7h 02m
American Airlines
Sat 2/144:58 pm
UVF
-
IAD
2 stops16h 50m
American Airlines
Deal found 1/25$433
This Delta deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:01 am
IAD
-
UVF
1 stop7h 57m
Delta
Tue 3/173:18 pm
UVF
-
IAD
1 stop9h 09m
Delta
Deal found 1/24$462
This Delta deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:00 am
IAD
-
UVF
1 stop8h 05m
Delta
Wed 2/254:25 pm
UVF
-
IAD
1 stop8h 56m
Delta
Deal found 1/24$478

Find flight deals from Dulles Intl to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Castries (UVF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$368
(Delta)

One-way from

$134
(Delta)

Popular in

June

Cheapest in

January

Average price

$468
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Castries Hewanorra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Castries Hewanorra flights.
Search Deals
From Washington, D.C. Dulles Intl to Castries Hewanorra
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Castries Hewanorra
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 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

Dulles Intl

Fly to

Castries

Route

Depart

Return

Price

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 2/8

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Wed 2/11

4:25 pm-12:24 am

1 stop8h 59m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 2/8

7:04 am-3:03 pm

1 stop6h 59m

Castries Hewanorra

Thu 2/12

4:18 pm-8:48 am

1 stop17h 30m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 2/4

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Mon 2/9

4:25 pm-12:24 am

1 stop8h 59m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Fri 2/6

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Tue 2/10

4:25 pm-12:24 am

1 stop8h 59m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 2/7

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Sat 2/14

4:25 pm-12:21 am

1 stop8h 56m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Fri 2/20

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Tue 2/24

4:25 pm-12:21 am

1 stop8h 56m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 2/5

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Sat 2/14

4:25 pm-12:21 am

1 stop8h 56m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 2/4

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Sun 2/8

4:25 pm-12:24 am

1 stop8h 59m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 1/29

7:01 am-3:03 pm

1 stop7h 02m

Castries Hewanorra

Sun 2/1

5:02 pm-10:58 am

2 stops18h 56m

$378

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Fri 4/24

6:26 am-2:23 pm

1 stop7h 57m

Castries Hewanorra

Thu 5/7

2:35 pm-11:59 pm

2 stops33h 24m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 20 results
1
2

Compare providers for flights from Dulles Intl to Castries

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Castries in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Castries flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Castries flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Castries flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Castries flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Castries

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Castries?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Castries (average of $347). Flying from Washington, D.C. Dulles Intl Airport to Castries in June is currently the most expensive (average of $1,211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Castries?

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Castries. Reviews last updated January 26, 2026.
Read reviews from past customers who have flown Delta and American Airlines from Washington, D.C. Dulles Intl Airport to Castries. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,111 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,189 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castries from Washington, D.C. Dulles Intl?

    If you book a flight to Castries from Washington, D.C. Dulles Intl, you will be flying to Hewanorra, which is the city’s only airport. Castries Hewanorra (UVF) is located 19.3 mi from the center of Castries. There are 0 flights from Washington, D.C. Dulles Intl to Hewanorra per day from 2 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Castries?

    A quick flight from Washington, D.C. Dulles Intl Airport to Castries can take about 6h 59m. Delta provides one of the quickest options available for as low as $368. The distance between Washington, D.C. Dulles Intl Airport and Castries is about 2011 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Castries round-trip?

    American Airlines, at $351, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Castries. An alternate airline flying to your destination would be Delta. American Airlines is currently priced 60% below the average price you’ll pay for this route.

  • Can I find deals for flights from Dulles Intl to Castries that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Castries.

  • Can I find deals for business class flights from Dulles Intl to Castries?

    Yes. Cheapflights offers flight deals from Dulles Intl to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Castries?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Castries (average of $347). Flying from Washington, D.C. Dulles Intl Airport to Castries in June is currently the most expensive (average of $1,211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Castries

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Castries flights
Reagan-National to Castries flights
Baltimore to Castries flights

Top 2 airlines flying from Dulles Intl to Castries

Discover the top 2 airlines that operate flights from Dulles Intl to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$351Average$762FlexibilityNo cancel feeOn-time71%
DeltaCheapest$452Average$920FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.