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Saint Lucia

$165+ Cheap flights from Washington, D.C. (WAS) 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — UVF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Saint Lucia

Keep the following information in mind while searching for Washington, D.C. to Saint Lucia flight deals. Data was last updated June 12, 2025.

Round-trip from

$373
(Air Canada)

One-way from

$165
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$735
From Washington, D.C. (WAS) to Saint Lucia
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One-way flight from Washington, D.C. (WAS) to Saint Lucia
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Highest demand for flights based on searches. 3% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 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 Washington, D.C. to Saint Lucia

Cheapest flights from Washington, D.C. to Saint Lucia
Explore the most affordable flight options available from Washington, D.C. to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/10. 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 6/238:18 amIAD - UVF
2 stops29h 57mAir Canada
Tue 9/93:10 pmUVF - IAD
1 stop25h 00mAir Canada
Deal found 6/10$373
This Air Canada deal was found by Cheapflights users on 6/10. 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.
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
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:25 amDCA - UVF
1 stop7h 20mJetBlue
Sat 9/132:06 pmUVF - DCA
1 stop8h 50mJetBlue
Deal found 6/10$431
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:00 amBWI - UVF
1 stop7h 15mDelta
Fri 8/293:35 pmUVF - BWI
1 stop8h 46mDelta
Deal found 6/11$447
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:20 pmBWI - UVF
2 stops19h 35mAmerican Airlines
Mon 8/253:35 pmUVF - BWI
1 stop8h 33mAmerican Airlines
Deal found 6/12$452
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:15 amBWI - UVF
1 stop9h 15mUnited Airlines
Sat 8/1612:55 pmUVF - BWI
1 stop21h 14mUnited Airlines
Deal found 6/11$545
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:00 amIAD - UVF
1 stop8h 20mAmerican Airlines
Tue 12/165:05 pmUVF - IAD
1 stop7h 50mAmerican Airlines
Deal found 6/11$567
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Mon 8/115:40 pmIAD - UVF
3 stops20h 35mMultiple Airlines
Fri 8/153:10 pmUVF - IAD
1 stop18h 27mMultiple Airlines
Deal found 6/11$570
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:59 amDCA - UVF
1 stop7h 21mDelta
Thu 8/143:35 pmUVF - DCA
1 stop8h 11mDelta
Deal found 6/10$612
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Mon 8/185:45 amBWI - UVF
3 stops32h 30mMultiple Airlines
Fri 8/223:10 pmUVF - BWI
3 stops21h 46mMultiple Airlines
Deal found 6/10$644
This WestJet deal was found by Cheapflights users on 6/11. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:45 pmIAD - UVF
2 stops19h 00mWestJet
Sun 8/242:35 pmUVF - IAD
2 stops27h 19mWestJet
Deal found 6/11$685

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to Saint Lucia 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Saint Lucia that are best for you.

Fly from

Washington, D.C.

Fly to

Saint Lucia

Route

Depart

Return

Price

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/23

8:18 am-2:15 pm

2 stops29h 57m

Castries Hewanorra

Tue 9/9

3:10 pm-4:10 pm

1 stop25h 00m

$373

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

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 8/22

7:00 am-2:15 pm

1 stop7h 15m

Castries Hewanorra

Sun 8/24

3:35 pm-12:21 am

1 stop8h 46m

$447

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Fri 8/22

6:20 pm-1:55 pm

2 stops19h 35m

Castries Hewanorra

Mon 8/25

3:35 pm-12:08 am

1 stop8h 33m

$452

BaltimoreCastries

BWI - UVF

BWIUVF

Baltimore/Washington

Sat 8/9

6:15 am-3:30 pm

1 stop9h 15m

Castries Hewanorra

Sat 8/16

12:55 pm-10:09 am

1 stop21h 14m

$545

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

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/9

5:00 am-2:20 pm

1 stop8h 20m

Castries Hewanorra

Tue 12/16

5:05 pm-11:55 pm

1 stop7h 50m

$567

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 8/11

5:40 pm-2:15 pm

3 stops20h 35m

Castries Hewanorra

Fri 8/15

3:10 pm-9:37 am

1 stop18h 27m

$570

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 29 results
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Best time to book a flight from Washington, D.C. to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Washington, D.C. 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. to Saint Lucia

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

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

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

Find hourly flight availability from Washington, D.C. to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Washington, D.C. to Saint Lucia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. 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 Saint Lucia. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Saint Lucia have to say. 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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Washington, D.C. 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. to Saint Lucia one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $165. Users have also found prices from $173 and $184 on Delta and Air Canada, respectively.

  • What are the most popular routes from Washington, D.C. to Saint Lucia?

    The most popular route from Washington, D.C. to Saint Lucia is Washington, D.C. Dulles Intl - Castries Hewanorra. You may also consider Baltimore/Washington - Castries Hewanorra or Washington, D.C. Reagan-National - Castries Hewanorra.

  • Can I find deals for flights from Washington, D.C. to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Saint Lucia?

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

  • Can I find deals for business class flights from Washington, D.C. to Saint Lucia?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Saint Lucia?

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

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Alternative routes for Washington, D.C. to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington, D.C. to Saint Lucia

Discover the top 3 airlines that operate flights from Washington, D.C. to Saint Lucia. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$225Average$709FlexibilityNo cancel feeOn-time62%
DeltaCheapest$385Average$751FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$535Average$761FlexibilityNo cancel feeOn-time71%

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