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

$147 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on JetBlue and American Airlines, with prices starting from $179 and $273, respectively.

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

American Airlines, JetBlue and Delta are the most popular airlines when flying from Washington, D.C. Reagan-National Airport to Saint Lucia.

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

January can be a great time to fly to Saint Lucia from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $754. Cheapflights users have found deals in the month of January for as cheap as $571. The most expensive prices can be found in the month of November.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Saint Lucia as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Reagan-National to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$147+ Flights from Washington, D.C. Reagan-National Airport to Saint Lucia

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Cheap flight deals from Reagan-National to Saint Lucia

Round-trip from	$398 (FlightHub)
One-way from	$147 (Air Canada)
Popular in	November
Cheapest in	January
Average price	$867

From Washington, D.C. Reagan-National to Saint Lucia

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One-way flight from Washington, D.C. Reagan-National to Saint Lucia

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($55 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to Saint Lucia

Cheapest flights from Reagan-National to Saint Lucia
Explore the most affordable flight options available from Reagan-National to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Mon 9/154:35 pmDCA - UVF

2 stops21h 40mAir Canada

Fri 9/193:10 pmUVF - DCA

2 stops24h 41mAir Canada

Deal found 7/28

$398

Tue 9/236:19 amDCA - UVF

1 stop7h 56mJetBlue

Sat 9/272:06 pmUVF - DCA

1 stop8h 50mJetBlue

Deal found 7/28

$438

Sat 8/236:00 amDCA - UVF

1 stop8h 15mDelta

Wed 8/273:35 pmUVF - DCA

1 stop8h 11mDelta

Deal found 7/30

$495

Tue 12/95:00 amDCA - UVF

1 stop7h 00mAmerican Airlines

Tue 12/163:05 pmUVF - DCA

1 stop9h 54mAmerican Airlines

Deal found 7/30

$567

Sun 10/269:40 amDCA - SLU

2 stops33h 20mMultiple Airlines

Fri 10/311:55 pmSLU - DCA

2 stops19h 00mMultiple Airlines

Deal found 7/29

$811

Best flights from Reagan-National to Saint Lucia
Discover carefully curated flight deals from Reagan-National to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Mon 9/158:40 pmDCA - UVF

1 stop17h 35mAir Canada

Fri 9/193:10 pmUVF - DCA

1 stop26h 54mAir Canada

Deal found 7/28

$398

Tue 9/236:19 amDCA - UVF

1 stop7h 56mJetBlue

Sat 9/272:06 pmUVF - DCA

1 stop8h 50mJetBlue

Deal found 7/28

$438

Sat 8/236:00 amDCA - UVF

1 stop8h 15mDelta

Wed 8/273:35 pmUVF - DCA

1 stop8h 11mDelta

Deal found 7/30

$495

Tue 12/95:00 amDCA - UVF

1 stop7h 00mAmerican Airlines

Tue 12/163:05 pmUVF - DCA

1 stop9h 54mAmerican Airlines

Deal found 7/30

$567

Sun 10/269:40 amDCA - SLU

2 stops33h 20mMultiple Airlines

Fri 10/311:55 pmSLU - DCA

2 stops19h 00mMultiple Airlines

Deal found 7/29

$811

Last-minute flights from Reagan-National to Saint Lucia
Discover last-minute flight deals from Reagan-National to Saint Lucia. Data last updated July 30, 2025 and is based on user searches.

Wed 8/65:55 amDCA - UVF

1 stop7h 50mAmerican Airlines

Mon 8/113:35 pmUVF - DCA

1 stop16h 59mAmerican Airlines

Deal found 7/27

$992

Thu 8/76:59 amDCA - UVF

1 stop7h 21mDelta

Mon 8/113:35 pmUVF - DCA

1 stop8h 11mDelta

Deal found 7/28

$1,017

Thu 8/712:55 pmDCA - UVF

2 stops25h 20mMultiple Airlines

Mon 8/115:40 pmUVF - DCA

3 stops24h 22mMultiple Airlines

Deal found 7/28

$2,029

Thu 8/711:00 amDCA - SLU

3 stops28h 15mMultiple Airlines

Mon 8/1112:35 pmSLU - DCA

2 stops29h 27mMultiple Airlines

Deal found 7/30

$2,557

Fri 8/86:30 amDCA - UVF

1 stop9h 41mJetBlue

Fri 8/155:31 pmUVF - DCA

1 stop29h 28mJetBlue

Deal found 7/28

$693

Sat 8/236:00 amDCA - UVF

1 stop8h 15mDelta

Wed 8/273:35 pmUVF - DCA

1 stop8h 11mDelta

Deal found 7/30

$495

Sat 8/236:30 amDCA - UVF

1 stop9h 41mJetBlue

Mon 9/15:31 pmUVF - DCA

1 stop29h 28mJetBlue

Deal found 7/28

$566

Tue 8/2610:15 pmDCA - UVF

2 stops15h 30mAmerican Airlines

Tue 9/22:58 pmUVF - DCA

1 stop7h 41mAmerican Airlines

Deal found 7/29

$572

Wed 8/2712:55 pmDCA - UVF

2 stops24h 50mMultiple Airlines

Sun 8/312:35 pmUVF - DCA

2 stops21h 28mMultiple Airlines

Deal found 7/29

$1,052

Wed 8/278:40 pmDCA - SLU

3 stops17h 55mMultiple Airlines

Wed 9/310:15 amSLU - DCA

2 stops33h 29mMultiple Airlines

Deal found 7/28

$1,578

Wed 8/277:45 pmDCA - UVF

2 stops18h 00mWestJet

Sun 8/312:35 pmUVF - DCA

2 stops28h 24mWestJet

Deal found 7/30

$3,465

Thu 8/2811:00 amDCA - UVF

1 stop27h 15mAir Canada

Tue 9/23:10 pmUVF - DCA

1 stop17h 49mAir Canada

Deal found 7/29

$672

One-way flights from Reagan-National to Saint Lucia
Search for one-way flight options from Reagan-National to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Thu 9/254:35 pmDCA - UVF

2 stops21h 40mAir Canada

Deal found 7/28

$147

Tue 9/236:19 amDCA - UVF

1 stop7h 56mJetBlue

Deal found 7/30

$179

Tue 9/235:00 amDCA - UVF

2 stops9h 17mAmerican Airlines

Deal found 7/30

$273

Fri 1/169:40 amDCA - UVF

3 stops46h 40mMultiple Airlines

Deal found 7/28

$547

Thu 9/256:59 amDCA - SLU

2 stops28h 31mMultiple Airlines

Deal found 7/28

$635

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Saint Lucia 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 9/15

8:40 pm-2:15 pm

1 stop17h 35m

Castries Hewanorra

Fri 9/19

3:10 pm-6:04 pm

1 stop26h 54m

$398

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 9/23

6:19 am-2:15 pm

1 stop7h 56m

Castries Hewanorra

Sat 9/27

2:06 pm-10:56 pm

1 stop8h 50m

$438

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sat 8/23

6:00 am-2:15 pm

1 stop8h 15m

Castries Hewanorra

Wed 8/27

3:35 pm-11:46 pm

1 stop8h 11m

$495

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 12/9

5:00 am-1:00 pm

1 stop7h 00m

Castries Hewanorra

Tue 12/16

3:05 pm-11:59 pm

1 stop9h 54m

$567

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Sun 10/26

9:40 am-7:00 pm

2 stops33h 20m

Castries George F. L. Charle

Fri 10/31

1:55 pm-8:55 am

2 stops19h 00m

$811

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Thu 9/25

4:35 pm-2:15 pm

2 stops21h 40m

$147

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 9/23

6:19 am-2:15 pm

1 stop7h 56m

$179

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 9/23

5:00 am-2:17 pm

2 stops9h 17m

$273

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Fri 1/16

9:40 am-9:20 am

3 stops46h 40m

$547

Washington, D.C.Castries

DCA - SLU

DCASLU

Washington, D.C. Reagan-National

Thu 9/25

6:59 am-11:30 am

2 stops28h 31m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Reagan-National to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia 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 Saint Lucia

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

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

See what other customers who have flown with Delta, JetBlue, and American Airlines from Washington, D.C. Reagan-National Airport to Saint Lucia 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

7,980 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

7,980 reviews

Delta

8.0

Very good

7,980 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

2,913 reviews

Delta

8.0

Very good

7,980 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

7,980 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

9,837 reviews

Delta

8.0

Very good

7,980 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 are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Saint Lucia one-way?
$147 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on JetBlue and American Airlines, with prices starting from $179 and $273, respectively.
Can I find deals for flights from Reagan-National to Saint Lucia that include hotel bookings?
Yes. In addition to deals on Reagan-National to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Saint Lucia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Saint Lucia.
Can I find deals for business class flights from Reagan-National to Saint Lucia?
Yes. Cheapflights offers flight deals from Reagan-National to Saint Lucia 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 Saint Lucia?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Saint Lucia (average of $556). Flying from Washington, D.C. Reagan-National Airport to Saint Lucia 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Reagan-National to Saint Lucia

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Baltimore to Castries flights

Dulles Intl to George Town flights

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Baltimore to Bridgetown flights

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Reagan-National to Bridgetown flights

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Baltimore to Christiansted flights

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Reagan-National to George Town flights

Baltimore to Kingston flights

Dulles Intl to St. John's flights

Dulles Intl to Kingston flights

Dulles Intl to Kralendijk flights

Reagan-National to Kingston flights

Baltimore to Willemstad flights

Dulles Intl to Port of Spain flights

Dulles Intl to Christiansted flights

Baltimore to Kralendijk flights

Reagan-National to Port of Spain flights

Top 3 airlines flying from Reagan-National to Saint Lucia

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$179	Average$658	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$385	Average$682	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$565	Average$725	FlexibilityNo cancel fee	On-time71%

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$147+ Cheap flights from Reagan-National (DCA) to Saint Lucia

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Saint Lucia with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Saint Lucia

Keep the following information in mind while searching for Reagan-National to Saint Lucia flight deals. Data was last updated July 30, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Saint Lucia

Cheapest flights from Reagan-National to Saint LuciaExplore the most affordable flight options available from Reagan-National to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Reagan-National to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Reagan-National to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia 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 Saint Lucia

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

Reviews of airlines servicing Saint Lucia

See what other customers who have flown with Delta, JetBlue, and American Airlines from Washington, D.C. Reagan-National Airport to Saint Lucia 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 Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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 Saint Lucia

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

Top 3 airlines flying from Reagan-National to Saint Lucia

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Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Saint Lucia
Explore the most affordable flight options available from Reagan-National to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.