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

According to our current data, Air Canada ($378), JetBlue ($431), and American Airlines ($567) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Castries. These flights start at 49% 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 JetBlue ($165), Air Canada ($184), and American Airlines ($298).

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 July. 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 $747 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.

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.

$165+ Flights from Washington, D.C. Reagan-National Airport to Castries

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Castries Hewanorra are usually found in May or October, booked 16 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Reagan-National to Castries

Round-trip from	$378 (Air Canada)
One-way from	$165 (JetBlue)
Popular in	December
Cheapest in	May
Average price	$1,185

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

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

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Highest demand for flights based on searches. 15% potential increase in price ($138 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 June 2025

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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 June 12, 2025.

Thu 9/114:35 pmDCA - UVF

2 stops21h 40mAir Canada

Fri 9/193:10 pmUVF - DCA

1 stop26h 54mAir Canada

Deal found 6/10

$378

Wed 9/106:25 amDCA - UVF

1 stop7h 20mJetBlue

Sat 9/132:06 pmUVF - DCA

1 stop8h 50mJetBlue

Deal found 6/10

$431

Tue 12/96:45 amDCA - UVF

1 stop6h 35mAmerican Airlines

Tue 12/163:05 pmUVF - DCA

1 stop9h 54mAmerican Airlines

Deal found 6/11

$567

Fri 8/86:59 amDCA - UVF

1 stop7h 21mDelta

Thu 8/143:35 pmUVF - DCA

1 stop8h 11mDelta

Deal found 6/10

$612

Sat 8/26:25 amDCA - UVF

1 stop9h 05mUnited Airlines

Sat 8/912:55 pmUVF - DCA

1 stop20h 02mUnited Airlines

Deal found 6/11

$792

Sat 7/126:00 amDCA - UVF

2 stops31h 45mMultiple Airlines

Tue 7/293:10 pmUVF - DCA

2 stops20h 53mMultiple Airlines

Deal found 6/10

$855

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 June 12, 2025.

Thu 9/114:35 pmDCA - UVF

2 stops21h 40mAir Canada

Fri 9/193:10 pmUVF - DCA

1 stop26h 54mAir Canada

Deal found 6/10

$378

Wed 9/106:25 amDCA - UVF

1 stop7h 20mJetBlue

Sat 9/132:06 pmUVF - DCA

1 stop8h 50mJetBlue

Deal found 6/10

$431

Tue 12/96:45 amDCA - UVF

1 stop6h 35mAmerican Airlines

Tue 12/163:05 pmUVF - DCA

1 stop9h 54mAmerican Airlines

Deal found 6/11

$567

Fri 8/86:00 amDCA - UVF

1 stop8h 20mDelta

Wed 8/133:35 pmUVF - DCA

1 stop8h 11mDelta

Deal found 6/10

$612

Sat 8/26:25 amDCA - UVF

1 stop9h 05mUnited Airlines

Sat 8/912:55 pmUVF - DCA

1 stop20h 02mUnited Airlines

Deal found 6/11

$792

Sat 7/126:00 amDCA - UVF

2 stops31h 45mMultiple Airlines

Tue 7/293:10 pmUVF - DCA

2 stops20h 53mMultiple Airlines

Deal found 6/10

$855

Last-minute flights from Reagan-National to Castries
Discover last-minute flight deals from Reagan-National to Castries. Data last updated June 12, 2025 and is based on user searches.

Tue 6/175:00 amDCA - UVF

1 stop8h 45mAmerican Airlines

Wed 6/253:15 pmUVF - DCA

1 stop8h 42mAmerican Airlines

Deal found 6/10

$792

Wed 6/186:00 amDCA - UVF

1 stop8h 16mDelta

Mon 6/233:36 pmUVF - DCA

1 stop8h 10mDelta

Deal found 6/11

$1,062

Sat 6/216:30 amDCA - UVF

1 stop9h 39mJetBlue

Sat 6/282:03 pmUVF - DCA

1 stop8h 56mJetBlue

Deal found 6/10

$848

Mon 6/2312:55 pmDCA - UVF

2 stops25h 20mAir Canada

Tue 9/93:10 pmUVF - DCA

1 stop26h 54mAir Canada

Deal found 6/10

$397

Tue 6/246:30 amDCA - UVF

1 stop9h 50mJetBlue

Fri 9/53:05 pmUVF - DCA

1 stop7h 51mJetBlue

Deal found 6/10

$471

Tue 6/246:00 amDCA - UVF

1 stop8h 16mDelta

Wed 8/63:40 pmUVF - DCA

1 stop29h 03mDelta

Deal found 6/9

$929

Wed 6/256:00 amDCA - UVF

1 stop7h 45mAmerican Airlines

Tue 8/193:35 pmUVF - DCA

1 stop16h 59mAmerican Airlines

Deal found 6/11

$657

Sat 7/126:00 amDCA - UVF

2 stops31h 45mMultiple Airlines

Tue 7/293:10 pmUVF - DCA

2 stops20h 53mMultiple Airlines

Deal found 6/10

$855

Sat 7/266:25 amDCA - UVF

1 stop9h 05mUnited Airlines

Sat 8/212:55 pmUVF - DCA

1 stop9h 47mUnited Airlines

Deal found 6/11

$813

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 June 12, 2025.

Wed 8/66:30 amDCA - UVF

1 stop9h 50mJetBlue

Deal found 6/10

$165

Thu 8/712:55 pmDCA - UVF

2 stops25h 20mAir Canada

Deal found 6/10

$184

Sat 8/95:00 amDCA - UVF

2 stops9h 35mAmerican Airlines

Deal found 6/10

$298

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

Thu 9/11

4:35 pm-2:15 pm

2 stops21h 40m

Castries Hewanorra

Fri 9/19

3:10 pm-6:04 pm

1 stop26h 54m

$378

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 9/10

6:25 am-1:45 pm

1 stop7h 20m

Castries Hewanorra

Sat 9/13

2:06 pm-10:56 pm

1 stop8h 50m

$431

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 12/9

6:45 am-2:20 pm

1 stop6h 35m

Castries Hewanorra

Tue 12/16

3:05 pm-11:59 pm

1 stop9h 54m

$567

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Fri 8/8

6:59 am-2:20 pm

1 stop7h 21m

Castries Hewanorra

Thu 8/14

3:35 pm-11:46 pm

1 stop8h 11m

$612

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 8/2

6:25 am-3:30 pm

1 stop9h 05m

Castries Hewanorra

Sat 8/9

12:55 pm-8:57 am

1 stop20h 02m

$792

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 7/12

6:00 am-1:45 pm

2 stops31h 45m

Castries Hewanorra

Tue 7/29

3:10 pm-12:03 pm

2 stops20h 53m

$855

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 8/6

6:30 am-4:20 pm

1 stop9h 50m

$165

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 8/7

12:55 pm-2:15 pm

2 stops25h 20m

$184

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 8/9

5:00 am-2:35 pm

2 stops9h 35m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 15 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, United Airlines and JetBlue 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

7,950 reviews

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

7,950 reviews

Delta

8.0

Very good

7,950 reviews

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!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

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!

JetBlue

7.3

Good

2,925 reviews

Delta

8.0

Very good

7,950 reviews

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

7,950 reviews

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!

Air Canada

7.1

Good

9,531 reviews

Delta

8.0

Very good

7,950 reviews

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

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 ($378), JetBlue ($431), and American Airlines ($567) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Castries. These flights start at 49% 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 JetBlue ($165), Air Canada ($184), and American Airlines ($298).
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

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Alternative routes for Reagan-National to Castries

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Reagan-National to John F Kennedy Intl flights

Top 3 airlines flying from Reagan-National to Castries

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$225	Average$709	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$385	Average$720	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$565	Average$727	FlexibilityNo cancel fee	On-time71%

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$165+ 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 8/6. 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 October, booked 16 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Reagan-National to Castries

Round-trip from

One-way from

Popular in

Cheapest in

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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 June 12, 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 June 12, 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.

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 June 9, 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, United Airlines and JetBlue 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?

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

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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 June 12, 2025.