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Saint Lucia

$131+ Cheap flights from District of Columbia 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from District of Columbia to Saint Lucia

Keep the following information in mind while searching for District of Columbia to Saint Lucia flight deals. Data was last updated September 16, 2025.

Round-trip from

$358
(Air Canada)

One-way from

$131
(Air Canada)

Popular in

July

Cheapest in

November

Average price

$915
From District of Columbia to Saint Lucia
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One-way flight from District of Columbia to Saint Lucia
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Highest demand for flights based on searches. 9% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from District of Columbia to Saint Lucia

Cheapest flights from District of Columbia to Saint Lucia
Explore the most affordable flight options available from District of Columbia to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Air Canada deal was found by Cheapflights users on 9/16. 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.
Tue 12/24:10 pmDCA - UVF
2 stops23h 15mAir Canada
Fri 12/55:15 pmUVF - DCA
2 stops23h 16mAir Canada
Deal found 9/16$358
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Tue 12/24:30 pmIAD - UVF
1 stop22h 55mAir Canada
Wed 12/105:15 pmUVF - IAD
1 stop23h 36mAir Canada
Deal found 9/16$358
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Tue 12/24:30 pmIAD - UVF
1 stop22h 55mAir Canada
Fri 12/55:15 pmUVF - IAD
1 stop24h 12mAir Canada
Deal found 9/16$363
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:59 amDCA - UVF
1 stop8h 26mAir Canada
Fri 11/215:15 pmUVF - DCA
2 stops18h 11mAir Canada
Deal found 9/15$368
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:40 pmDCA - UVF
1 stop17h 35mAir Canada
Fri 10/33:10 pmUVF - DCA
1 stop17h 49mAir Canada
Deal found 9/15$404
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:16 amIAD - UVF
2 stops29h 59mAir Canada
Fri 10/33:10 pmUVF - IAD
2 stops29h 55mAir Canada
Deal found 9/15$404
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:59 amDCA - UVF
1 stop8h 26mAir Canada
Fri 11/75:15 pmUVF - DCA
1 stop25h 50mAir Canada
Deal found 9/14$417
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Tue 12/28:40 pmDCA - UVF
1 stop18h 45mAir Canada
Wed 12/105:15 pmUVF - DCA
1 stop16h 40mAir Canada
Deal found 9/14$418
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:35 amIAD - UVF
2 stops53h 50mAir Canada
Fri 10/314:15 pmUVF - IAD
1 stop28h 11mAir Canada
Deal found 9/15$439
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:55 pmDCA - UVF
2 stops50h 30mAir Canada
Fri 10/314:15 pmUVF - DCA
1 stop16h 40mAir Canada
Deal found 9/15$474
This Mytrip deal was found by Cheapflights users on 9/16. 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 11/104:10 pmDCA - UVF
2 stops21h 40mMultiple Airlines
Fri 11/145:15 pmUVF - DCA
2 stops18h 11mMultiple Airlines
Deal found 9/16$487
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Wed 12/36:59 amDCA - UVF
1 stop8h 26mAir Canada
Wed 12/175:15 pmUVF - DCA
2 stops20h 04mAir Canada
Deal found 9/15$513

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 September 16, 2025.
Use the filters below to find and compare flights from District of Columbia to Saint Lucia that are best for you.

Fly from

District of Columbia

Fly to

Saint Lucia

Route

Depart

Return

Price

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 12/2

8:40 pm-4:25 pm

1 stop18h 45m

Castries Hewanorra

Wed 12/10

5:15 pm-3:31 pm

2 stops23h 16m

$358

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/2

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Wed 12/10

5:15 pm-3:51 pm

1 stop23h 36m

$358

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/2

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Fri 12/5

5:15 pm-11:39 am

2 stops19h 24m

$363

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Sun 11/16

6:59 am-4:25 pm

1 stop8h 26m

Castries Hewanorra

Fri 11/21

5:15 pm-10:35 pm

1 stop30h 20m

$368

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 11/8

9:45 am-4:25 pm

2 stops29h 40m

Castries Hewanorra

Fri 11/14

5:15 pm-8:54 pm

2 stops28h 39m

$368

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 9/29

4:35 pm-2:15 pm

2 stops21h 40m

Castries Hewanorra

Fri 10/3

3:10 pm-8:59 am

1 stop17h 49m

$404

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Tue 12/2

4:10 pm-4:25 pm

2 stops23h 15m

Castries Hewanorra

Fri 12/5

5:15 pm-3:31 pm

2 stops23h 16m

$418

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 12/1

10:12 pm-4:25 pm

2 stops41h 13m

Castries Hewanorra

Fri 12/5

5:15 pm-11:39 am

2 stops19h 24m

$428

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Mon 11/10

4:10 pm-2:50 pm

2 stops21h 40m

Castries Hewanorra

Fri 11/14

5:15 pm-10:26 am

2 stops18h 11m

$487

Washington, D.C.Castries

DCA - UVF

DCAUVF

Washington, D.C. Reagan-National

Wed 12/3

6:59 am-4:25 pm

1 stop8h 26m

Castries Hewanorra

Wed 12/17

5:15 pm-8:55 am

1 stop16h 40m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 42 results
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Best time to book a flight from District of Columbia to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from District of Columbia 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 District of Columbia to Saint Lucia

What is the cheapest month to book a flight from District of Columbia to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Saint Lucia (average of $556). Flying from District of Columbia 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 DC to LC?

Find hourly flight availability from District of Columbia 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Saint Lucia as you normally would.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from District of Columbia to Saint Lucia?

    Air Canada can get you from District of Columbia to Saint Lucia in just under 18h 45m. Your travel time can differ by up to . The distance from District of Columbia to Saint Lucia is about 1993 mi.

  • What are the cheapest airlines to fly from District of Columbia to Saint Lucia one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $181. Users have also found prices from $196 and $227 on Air Canada and JetBlue, respectively.

  • Can I find deals for flights from District of Columbia to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Saint Lucia?

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

  • Can I find deals for business class flights from District of Columbia to Saint Lucia?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Saint Lucia?

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

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Alternative routes for District of Columbia 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 District of Columbia to Saint Lucia

Discover the top 3 airlines that operate flights from District of Columbia 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$179Average$656FlexibilityNo cancel feeOn-time62%
DeltaCheapest$385Average$773FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$555Average$779FlexibilityNo cancel feeOn-time71%

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