Castries

$459+ Cheap flights from Dulles Intl (IAD) to Castries (UVF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Apr 27 — May 41
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

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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$459
(Justfly.com)

Popular in

June

Cheapest in

August

Average price

$692
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Castries Hewanorra flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Castries Hewanorra flights.
From Washington, D.C. Dulles Intl to Castries Hewanorra
Highest demand for flights based on searches. 21% potential increase in price ($228 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find 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 April 22, 2025.

This Justfly.com deal was found by Cheapflights users on 4/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:45 amIAD - UVF
2 stops52h 30mAir Canada
Tue 9/93:10 pmUVF - IAD
1 stop18h 28mAir Canada
Deal found 4/22$459
This Delta deal was found by Cheapflights users on 4/22. 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 5/137:05 amIAD - UVF
1 stop7h 01mDelta
Sat 5/173:26 pmUVF - IAD
1 stop8h 09mDelta
Deal found 4/22$495
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Tue 12/95:00 amIAD - UVF
1 stop8h 20mAmerican Airlines
Tue 12/165:05 pmUVF - IAD
1 stop7h 50mAmerican Airlines
Deal found 4/22$567
This Booking.com deal was found by Cheapflights users on 4/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:45 amIAD - UVF
2 stops52h 30mMultiple Airlines
Sun 9/142:35 pmUVF - IAD
2 stops27h 15mMultiple Airlines
Deal found 4/22$588
This WestJet deal was found by Cheapflights users on 4/22. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:45 pmIAD - UVF
2 stops19h 00mWestJet
Sun 8/102:35 pmUVF - IAD
2 stops27h 19mWestJet
Deal found 4/22$1,066
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:27 amIAD - UVF
1 stop9h 03mUnited Airlines
Sat 6/1412:55 pmUVF - IAD
1 stop11h 35mUnited Airlines
Deal found 4/22$1,632

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 April 22, 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

Dulles Intl

Fly to

Castries

Route

Depart

Return

Price

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 5/13

7:05 am-2:06 pm

1 stop7h 01m

Castries Hewanorra

Sat 5/17

3:26 pm-11:35 pm

1 stop8h 09m

$495

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/16

8:18 am-2:15 pm

2 stops29h 57m

Castries Hewanorra

Fri 6/27

3:10 pm-1:42 pm

1 stop22h 32m

$543

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 5/28

5:02 am-2:11 pm

1 stop9h 09m

Castries Hewanorra

Wed 6/4

3:14 pm-8:38 am

1 stop17h 24m

$567

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Fri 6/6

3:13 pm-1:45 pm

3 stops46h 32m

Castries Hewanorra

Fri 6/13

3:10 pm-9:41 am

1 stop18h 31m

$708

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 7/9

6:45 pm-1:45 pm

2 stops19h 00m

Castries Hewanorra

Thu 7/24

2:35 pm-5:54 pm

2 stops27h 19m

$1,361

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 6/7

6:27 am-3:30 pm

1 stop9h 03m

Castries Hewanorra

Sat 6/14

12:55 pm-12:30 am

1 stop11h 35m

$1,632

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 7/15

6:35 am-2:15 pm

1 stop7h 40m

$518

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 7/15

12:30 pm-1:45 pm

2 stops49h 15m

$1,780

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Castries flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $556). Flying from Washington, D.C. Dulles Intl Airport to Castries in December is currently the most expensive (average of $730). 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.

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 April 22, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Washington, D.C. to Castries have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Air Canada, at $459, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Castries.Alternate airlines to your destination round-trip include Delta and American Airlines. Air Canada is currently priced 43% 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 $556). Flying from Washington, D.C. Dulles Intl Airport to Castries in December is currently the most expensive (average of $730). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Vieux Fort

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.

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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$550Average$727FlexibilityNo cancel feeOn-time71%
DeltaCheapest$565Average$802FlexibilityNo 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.