What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Castries round-trip?

According to our current data, Air Canada ($418), JetBlue ($495), and Delta ($526) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Castries. These flights start at 43% lower than the current average price 3 months from now.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Castries?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Castries flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Castries?

The most popular airlines flying from Washington, D.C. Reagan-National Airport to Castries are American Airlines, JetBlue and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Castries?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Castries?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Castries. Flights to Castries from Washington, D.C. Reagan-National Airport in January are about $757 on average during January, but can be found for as low as $571.

What is the cheapest time of day to fly from DCA to UVF?

One of the essential ways to save on airfare from Washington, D.C. Reagan-National Airport to Castries is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 4% on airfare.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National 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. Reagan-National Airport-Castries flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Castries flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Castries flights, Cheapflights users trust eDreams the most. eDreams 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. Reagan-National Airport-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Castries from Washington, D.C. Reagan-National?

Castries Hewanorra (UVF), located 19.3 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Castries. 3 airlines have flights to Hewanorra from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Castries Hewanorra should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.

Can I find deals for flights from Reagan-National to Castries that include hotel bookings?

Yes. In addition to deals on Reagan-National to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Castries?

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

Can I find deals for business class flights from Reagan-National to Castries?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$311+ Flights from Washington, D.C. Reagan-National Airport to Castries - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Reagan-National 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.

Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Castries Hewanorra are usually found in May or September, booked 34 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Reagan-National to Castries

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$418 (Air Canada)
One-way from	$311 (Delta)
Popular in	December
Cheapest in	May
Average price	$767

Provider with most accurate pricing for Washington, D.C. Reagan-National-Castries Hewanorra flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Castries Hewanorra flights.

Search Deals

From Washington, D.C. Reagan-National to Castries Hewanorra

Search Deals

One-way flight from Washington, D.C. Reagan-National to Castries Hewanorra

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Reagan-National to Castries

Cheapest flights from Reagan-National to Castries
Explore the most affordable flight options available from Reagan-National to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Mon 6/28:40 pmDCA - UVF

1 stop17h 35mAir Canada

Tue 7/83:10 pmUVF - DCA

2 stops19h 08mAir Canada

Deal found 4/28

$418

Fri 9/56:30 amDCA - UVF

1 stop7h 29mJetBlue

Wed 9/103:05 pmUVF - DCA

1 stop7h 54mJetBlue

Deal found 4/28

$495

Mon 5/196:00 amDCA - UVF

1 stop8h 06mDelta

Thu 5/223:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$526

Tue 12/95:00 amDCA - UVF

1 stop7h 00mAmerican Airlines

Tue 12/163:05 pmUVF - DCA

1 stop9h 54mAmerican Airlines

Deal found 4/28

$567

Best flights from Reagan-National to Castries
Discover carefully curated flight deals from Reagan-National to Castries that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Mon 6/28:40 pmDCA - UVF

1 stop17h 35mAir Canada

Tue 7/83:10 pmUVF - DCA

2 stops19h 08mAir Canada

Deal found 4/28

$418

Fri 9/56:30 amDCA - UVF

1 stop7h 29mJetBlue

Wed 9/103:05 pmUVF - DCA

1 stop7h 54mJetBlue

Deal found 4/28

$495

Mon 5/196:00 amDCA - UVF

1 stop8h 06mDelta

Thu 5/223:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$526

Sun 8/105:05 amDCA - UVF

1 stop9h 04mAmerican Airlines

Mon 8/183:25 pmUVF - DCA

2 stops15h 59mAmerican Airlines

Deal found 4/28

$597

Wed 8/136:00 amDCA - UVF

2 stops31h 45mMultiple Airlines

Fri 8/153:10 pmUVF - DCA

2 stops30h 38mMultiple Airlines

Deal found 4/28

$1,655

Last-minute flights from Reagan-National to Castries
Discover last-minute flight deals from Reagan-National to Castries. Data last updated April 29, 2025 and is based on user searches.

Tue 5/66:09 amDCA - UVF

1 stop7h 40mJetBlue

Sat 5/1012:25 pmUVF - DCA

1 stop10h 33mJetBlue

Deal found 4/28

$723

Tue 5/610:15 pmDCA - UVF

2 stops15h 19mAmerican Airlines

Sat 5/102:00 pmUVF - DCA

1 stop17h 00mAmerican Airlines

Deal found 4/28

$992

Wed 5/76:00 amDCA - UVF

1 stop8h 06mDelta

Mon 5/123:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$1,257

Tue 5/136:09 amDCA - UVF

1 stop7h 40mJetBlue

Sat 5/1712:25 pmUVF - DCA

1 stop10h 33mJetBlue

Deal found 4/28

$531

Sun 5/184:35 pmDCA - UVF

2 stops45h 40mAir Canada

Fri 5/233:10 pmUVF - DCA

2 stops20h 51mAir Canada

Deal found 4/28

$690

Mon 5/196:00 amDCA - UVF

1 stop8h 06mDelta

Thu 5/223:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$526

Wed 5/285:00 amDCA - UVF

1 stop9h 11mAmerican Airlines

Wed 6/43:14 pmUVF - DCA

1 stop8h 45mAmerican Airlines

Deal found 4/28

$607

One-way flights from Reagan-National to Castries
Search for one-way flight options from Reagan-National to Castries. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Sat 5/106:59 amDCA - UVF

1 stop7h 07mDelta

Deal found 4/28

$311

Sat 5/1010:15 pmDCA - UVF

2 stops15h 19mAmerican Airlines

Deal found 4/28

$414

Sat 5/106:05 amDCA - UVF

2 stops31h 40mWestJet

Deal found 4/28

$1,274

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 6/2

8:40 pm-2:15 pm

1 stop17h 35m

Castries Hewanorra

Tue 7/8

3:10 pm-10:18 am

2 stops19h 08m

$418

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 5/19

6:00 am-2:06 pm

1 stop8h 06m

Castries Hewanorra

Thu 5/22

3:26 pm-11:43 pm

1 stop8h 17m

$526

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 5/13

6:09 am-1:49 pm

1 stop7h 40m

Castries Hewanorra

Sat 5/17

12:25 pm-10:58 pm

1 stop10h 33m

$531

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 5/28

5:00 am-2:11 pm

1 stop9h 11m

Castries Hewanorra

Wed 6/4

3:14 pm-11:59 pm

1 stop8h 45m

$607

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 5/10

6:59 am-2:06 pm

1 stop7h 07m

$311

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 5/10

10:15 pm-1:34 pm

2 stops15h 19m

$414

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 5/10

6:05 am-1:45 pm

2 stops31h 40m

$1,274

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Reagan-National to Castries

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Castries in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust 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. Reagan-National 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. Reagan-National Airport-Castries flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Castries flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Castries flights, Cheapflights users trust eDreams the most. eDreams 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. Reagan-National 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 Reagan-National to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Reagan-National 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. Reagan-National Airport to Castries

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Castries?

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Castries may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Castries?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Castries (average of $556). Flying from Washington, D.C. Reagan-National 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

See what other customers who have flown with Delta, JetBlue and American Airlines from Washington, D.C. to Castries have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

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.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

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.

JetBlue

7.3

Good

2,922 reviews

Delta

8.0

Very good

7,929 reviews

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.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,929 reviews

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.

WestJet

7.2

Good

2,823 reviews

Delta

8.0

Very good

7,929 reviews

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.

Air Canada

7.0

Good

9,228 reviews

Delta

8.0

Very good

7,929 reviews

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

What airport do you fly into for flights to Castries from Washington, D.C. Reagan-National?
Castries Hewanorra (UVF), located 19.3 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Castries. 3 airlines have flights to Hewanorra from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Castries Hewanorra should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Castries round-trip?
According to our current data, Air Canada ($418), JetBlue ($495), and Delta ($526) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Castries. These flights start at 43% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Castries one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Castries are Delta ($311), American Airlines ($414), and WestJet ($1,274).
Can I find deals for flights from Reagan-National to Castries that include hotel bookings?
Yes. In addition to deals on Reagan-National to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Castries?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Castries.
Can I find deals for business class flights from Reagan-National to Castries?
Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Castries?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Castries (average of $556). Flying from Washington, D.C. Reagan-National 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

Vieux Fort

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Reagan-National to Castries

Dulles Intl to Castries flights

Baltimore to Castries flights

Other flights from Reagan-National

Reagan-National to LaGuardia flights

Reagan-National to Orlando flights

Reagan-National to Fort Lauderdale flights

Reagan-National to John F Kennedy Intl flights

Reagan-National to Newark flights

Reagan-National to Boston flights

Top 3 airlines flying from Reagan-National to Castries

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$313	Average$709	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$391	Average$720	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$560	Average$725	FlexibilityNo cancel fee	On-time71%

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.

$311+ Cheap flights from Reagan-National (DCA) 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Castries with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Castries Hewanorra are usually found in May or September, booked 34 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Reagan-National to Castries

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Castries

Cheapest flights from Reagan-National to CastriesExplore the most affordable flight options available from Reagan-National to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Reagan-National to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Castries that are best for you.

Compare providers for flights from Reagan-National 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 Reagan-National to Castries in April.

Best time to book a flight from Reagan-National to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Castries

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Castries?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Castries. Price data was last updated on April 25, 2025.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Castries?

Reviews of airlines servicing Castries

See what other customers who have flown with Delta, JetBlue and American Airlines from Washington, D.C. to Castries have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Castries round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Castries one-way?

Can I find deals for flights from Reagan-National to Castries that include hotel bookings?

How can I find direct flights from Reagan-National to Castries?

Can I find deals for business class flights from Reagan-National to Castries?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Castries?

Traveling to a place near Washington, D.C. Reagan-National Airport?

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 Reagan-National to Castries

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Reagan-National to Castries

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Castries
Explore the most affordable flight options available from Reagan-National to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.