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Castries

$149+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$345
(Vliegwinkel)

One-way from

$149
(Air Canada)

Popular in

June

Cheapest in

February

Average price

$771
From Washington, D.C. Dulles Intl to Castries Hewanorra
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One-way flight from Washington, D.C. Dulles Intl to Castries Hewanorra
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Highest demand for flights based on searches. 19% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 14, 2025.

This Vliegwinkel deal was found by Cheapflights users on 8/12. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:20 amIAD - UVF
1 stop27h 55mAir Canada
Tue 9/163:10 pmUVF - IAD
1 stop22h 28mAir Canada
Deal found 8/12$345
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Mon 9/82:25 pmIAD - UVF
1 stop23h 50mAir Canada
Fri 9/123:10 pmUVF - IAD
1 stop18h 28mAir Canada
Deal found 8/13$394
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:16 amIAD - UVF
2 stops53h 59mAir Canada
Fri 9/193:10 pmUVF - IAD
2 stops20h 23mAir Canada
Deal found 8/13$404
This Air Canada deal was found by Cheapflights users on 8/14. 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 12/24:30 pmIAD - UVF
1 stop22h 55mAir Canada
Fri 12/55:15 pmUVF - IAD
1 stop23h 39mAir Canada
Deal found 8/14$418
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:37 pmIAD - UVF
2 stops44h 38mAir Canada
Tue 9/93:10 pmUVF - IAD
2 stops25h 08mAir Canada
Deal found 8/14$429
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:25 pmIAD - UVF
1 stop23h 50mAir Canada
Mon 10/274:15 pmUVF - IAD
1 stop19h 30mAir Canada
Deal found 8/14$435
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:20 amIAD - UVF
1 stop27h 55mAir Canada
Fri 9/53:10 pmUVF - IAD
2 stops20h 03mAir Canada
Deal found 8/13$454

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 August 14, 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

Mon 9/8

10:20 am-2:15 pm

1 stop27h 55m

Castries Hewanorra

Tue 9/16

3:10 pm-1:38 pm

1 stop22h 28m

$345

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 9/12

3:10 pm-9:38 am

1 stop18h 28m

$394

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/22

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Fri 9/26

3:10 pm-1:38 pm

1 stop22h 28m

$394

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 10/6

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Fri 10/10

3:10 pm-9:38 am

1 stop18h 28m

$394

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 10/20

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Fri 10/24

3:10 pm-1:38 pm

1 stop22h 28m

$394

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/29

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Fri 10/3

3:10 pm-9:38 am

1 stop18h 28m

$394

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/15

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Fri 9/19

3:10 pm-9:38 am

1 stop18h 28m

$394

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/22

2:25 pm-2:15 pm

1 stop23h 50m

$149

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 9/21

5:37 pm-2:15 pm

2 stops44h 38m

$154

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 9/25

10:20 am-2:15 pm

1 stop27h 55m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 15 results
1
2

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.

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 August 14, 2025.
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
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    American Airlines, at $555, 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 34% 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

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Alternative routes for Dulles Intl to Castries

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Castries flights
Baltimore 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$555Average$779FlexibilityNo cancel feeOn-time71%
DeltaCheapest$560Average$795FlexibilityNo cancel feeOn-timeN/A

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