$158 Find Cheap Flights from Reagan Washington National Airport to Saint Lucia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Saint Lucia departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Book Cheap Reagan-National to Saint Lucia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Saint Lucia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Saint Lucia

Tue, Dec 2 - Wed, Dec 10
Air Canada Logo
4:10 pm - 4:25 pmDCA-UVF
23h 15m2 stops
Air Canada Logo
5:15 pm - 10:26 amUVF-DCA
18h 11m2 stops
$358Air Canada
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Mon, Nov 10 - Sat, Nov 15
JetBlue Logo
6:24 am - 2:57 pmDCA-UVF
7h 33m1 stop
JetBlue Logo
1:56 pm - 10:59 pmUVF-DCA
10h 03m1 stop
$387JetBlue
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Tue, Nov 18 - Fri, Nov 21
JetBlue Logo
6:24 am - 2:57 pmDCA-UVF
7h 33m1 stop
JetBlue Logo
5:01 pm - 3:17 pmUVF-DCA
23h 16m1 stop
$395JetBlue
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Sat, Nov 29 - Sat, Dec 6
JetBlue Logo
6:05 am - 5:39 pmDCA-UVF
10h 34m1 stop
JetBlue Logo
2:00 pm - 10:58 pmUVF-DCA
9h 58m1 stop
$411JetBlue
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Mon, Jan 26 - Wed, Jan 28
Delta Logo
6:00 am - 3:04 pmDCA-UVF
8h 04m1 stop
Delta Logo
4:24 pm - 9:14 amUVF-DCA
17h 50m1 stop
$463Delta
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Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
7:48 pm - 1:47 pmDCA-UVF
16h 59m2 stops
American Airlines Logo
1:29 pm - 10:35 pmUVF-DCA
10h 06m1 stop
$468American Airlines
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Tue, Feb 3 - Sat, Feb 7
American Airlines Logo
5:58 am - 4:02 pmDCA-UVF
9h 04m1 stop
American Airlines Logo
2:47 pm - 10:03 amUVF-DCA
20h 16m1 stop
$470American Airlines
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Thu, Jan 29 - Mon, Feb 16
Delta Logo
8:30 pm - 3:04 pmDCA-UVF
17h 34m1 stop
Delta Logo
4:24 pm - 9:14 amUVF-DCA
17h 50m1 stop
$595Delta
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Sun, Nov 9 - Fri, Nov 14
Multiple Airlines Logo
12:55 pm - 5:30 pmDCA-SLU
27h 35m3 stops
Multiple Airlines Logo
3:45 pm - 6:05 pmSLU-DCA
27h 20m2 stops
$822Multiple Airlines
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Sat, Nov 8 - Wed, Nov 12
Multiple Airlines Logo
11:05 am - 7:00 pmDCA-SLU
30h 55m2 stops
Multiple Airlines Logo
9:10 am - 8:55 amSLU-DCA
24h 45m2 stops
$841Multiple Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Reagan-National to Saint Lucia flights

Get data-powered insights and trends into flights from Reagan-National to Saint Lucia to help you find the cheapest flights, the best time to fly and much more.

Which airlines fly non-stop between Washington, D.C. Reagan-National Airport and Saint Lucia?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Washington, D.C. Reagan-National Airport to Saint Lucia.

There are 3 airlines that fly nonstop from Washington, D.C. Reagan-National Airport to Saint Lucia. They are: American Airlines, JetBlue and Delta. The cheapest price of all airlines flying this route was found with JetBlue at $179 for a round-trip flight to Castries (UVF). On average, JetBlue offers the best prices for nonstop flights between Washington, D.C. Reagan-National Airport and Saint Lucia.

Which airlines provide the cheapest flights from Washington, D.C. Reagan-National Airport to Saint Lucia?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. Reagan-National Airport to Saint Lucia were found on Air Canada ($358) and JetBlue ($387).

Good to know

Low seasonAugust
Cheapest flight$136
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 18% lower on average.
Flight from Reagan Washington National Airport to Castries

FAQs - booking Saint Lucia flights

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Saint Lucia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to Saint Lucia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to Saint Lucia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Reagan Washington National Airport to Saint Lucia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to Saint Lucia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Reagan Washington National Airport to Saint Lucia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to Saint Lucia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Reagan Washington National Airport to Saint Lucia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Saint Lucia?

    The cheapest time of day to fly to Saint Lucia is generally in the morning, when round-trip flights cost $730 on average. The most expensive time of day to fly to Saint Lucia is generally in the morning, which is peak travel time and where the average cost of a ticket is $730.

Reviews of the top 3 airlines serving from Reagan-National to Saint Lucia

 
Need help choosing which airline to fly with from Reagan-National to Saint Lucia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 7984 reviews
8.2Boarding
7.9Entertainment
8.5Crew
7.3Food
7.9Comfort
Airline reviews

Old plane and old configuration/seats but still comfortable for a morning flight

10.0 ExcellentBraulio, Oct 2025ATL - SDQ
Read more Delta reviews

Old plane and old configuration/seats but still comfortable for a morning flight

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

Flight was crowded and the woman sitting on my left was large & kept crouching in to my space. You need bigger seats or smaller passengers to fit into the seats you DO have! Snack were OK. Would appreciate if airlines had more savory rather than sweet snacks, thank you!

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

We were delayed, which I think had to do with air traffic control. Otherwise, everything was great.

The boarding process needs to be refined. Sometimes the gate crew calls out the zones and then flip to showing the.zones boarding on the gate monitor display. So, unless you are huddled around the gate lanes watching the monitor, you could miss your boarding zone. Suggest the zones be announced each time a new zone is allowed to board.

The boarding process needs to be refined. Sometimes the gate crew call out the boarding zone, and then flip to the monitor to show which zones are boarding. So unless everyone is gathered around to see the monitor there is usually confusion as wi which zones are boarding.

On time flight. Seat comfort could be better in the Comfort section.

My issue was with TSA agents for delta airlines. My luggage got flagged. The agent was going thru another persons first. He took 20 min to go thru hers. I asked them to bring mine closer so I could sit down . They said you can go sit it will be fine. I said I am supposed to keep my eyes on my bags at all times. The agent was meticulously unwrapping 2 gifts that the lady had and then tried to re warp it. He was trying to be kind i get it but 20 min for me to stand watching him do that was ridiculous. It was 6 am and there were a ton of travelers. Mine was flagged for some air packed tea that I bought in Turkey. My previous delta flight and 2 others before didn’t flag it. Consistency would be nice. Also on the flight the window shades were down for take off and landing - I thought that was very odd I thought they had to remain open for take off and landing.

A couple ladies from the crew were so rude and nasty. Thought they were mad at having to be there especially if you asked a question. This will make me think twice next time if I book a flight with you.

Delays to take off and to leave the plane after landing added a lot of time to this flight.

Poor seat in rear of aircraft Food at Admiral’s Club Terminal D at DFW inedible

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a typical flight. We had a delay which seems to be the normality now. And we had no in flight service due to conditions.

Flight attendants on this flight were very attentive and friendly

It took way too long to diagnose and solve the problem of a broken crew member cabin seat. Though compensation for the volunteer who left the flight was very kind.

We fly American Airlines quite a bit. And we always fly business class when traveling internationally. We were a bit disappointed with the comfort of this particular plane as well as the entertainment options.

Plane was in bad shape. TV’s and WiFi didn’t work. Plane need a refresh. Not enough room for bags.

There was a fowl odour coming from the lavatory the entire flight

Everything was great. I liked the text updates so that I never miss a gate change & I have all the latest info.

I don’t usually fly budget airlines or airlines in the United States. It was as good as any other airline. The seats are comfortable and the airline attendants are not rude & surly. Very nice flight (s).

No internet on a flight over three hours in this age is criminal. Staff inattentive and dismissive

They have the most inexperienced / rude flight staff I’ve encountered

very difficult boarding process - aggressive passengers not the friendliest crew

WiFi was not eorkig (again) And the plane was from 1990 with the screens which were.not touch and most didn’t even work and if lucky could tune in tv

I paid extra for a seat closer to the front. The TV didn’t work at all for the entire flight. Would have been nice to know before I purchased an “upgraded “ seat

It was great. I had never flown on JetBlue before, but would be very happy to fly with them in the future.

Everything you need to know for your flight from Reagan-National to Saint Lucia

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