How long is the flight from Saint Lucia to Washington, D.C.?

Departing from Saint Lucia to Washington, D.C. will take you 8h 21m. Airlines will cover a distance of 1993 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

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

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

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

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

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

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

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

$407+ Cheap Flights from Saint Lucia to Washington, D.C.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Saint Lucia to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Saint Lucia to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Saint Lucia to Washington, D.C.
Explore the most affordable flight options available from Saint Lucia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.

Tue 12/223:21 pm -

1 stop25h 09m

Tue 12/297:20 pm -

1 stop17h 55m

Deal found 11/7

$721

Wed 11/254:25 pm -

1 stop8h 21m

Thu 12/36:00 am -

1 stop8h 04m

Deal found 11/5

$857

Mon 12/213:47 pm -

1 stop9h 41m

Mon 12/288:51 pm -

1 stop15h 07m

Deal found 11/5

$912

Wed 11/252:38 pm -

2 stops10h 23m

Thu 12/35:00 am -

1 stop7h 32m

Deal found 11/5

$3,719

Tue 12/223:55 pm -

2 stops23h 18m

Tue 12/2911:55 am -

2 stops50h 00m

Deal found 11/7

$3,980

Best flights from Saint Lucia to Washington, D.C.
Discover carefully curated flight deals from Saint Lucia to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Tue 12/223:21 pm -

1 stop25h 09m

Tue 12/297:20 pm -

1 stop17h 55m

Deal found 11/7

$721

Wed 11/254:25 pm -

1 stop8h 21m

Thu 12/36:00 am -

1 stop8h 04m

Deal found 11/5

$857

Mon 12/213:47 pm -

1 stop9h 41m

Mon 12/285:00 am -

2 stops8h 47m

Deal found 11/5

$917

Thu 1/283:55 pm -

2 stops25h 05m

Mon 2/227:59 am -

2 stops29h 56m

Deal found 11/6

$1,986

Tue 12/223:55 pm -

2 stops23h 18m

Tue 12/2911:55 am -

2 stops50h 00m

Deal found 11/7

$3,980

Last-minute flights from Saint Lucia to Washington, D.C.
Discover last-minute flight deals from Saint Lucia to Washington, D.C.. Data last updated November 9, 2026 and is based on user searches.

Wed 11/254:25 pm -

1 stop8h 21m

Thu 12/36:00 am -

1 stop8h 04m

Deal found 11/5

$857

Wed 11/252:38 pm -

2 stops10h 23m

Thu 12/35:00 am -

1 stop7h 32m

Deal found 11/5

$3,719

Mon 12/213:47 pm -

1 stop9h 41m

Mon 12/288:51 pm -

1 stop15h 07m

Deal found 11/5

$912

Tue 12/223:21 pm -

1 stop25h 09m

Tue 12/297:20 pm -

1 stop17h 55m

Deal found 11/7

$721

Tue 12/223:55 pm -

2 stops23h 18m

Tue 12/2911:55 am -

2 stops50h 00m

Deal found 11/7

$3,980

One-way flights from Saint Lucia to Washington, D.C.
Search for one-way flight options from Saint Lucia to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Wed 2/244:57 pm -

1 stop17h 27m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$407

Sat 1/93:54 pm -

1 stop8h 47m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$446

Wed 2/245:35 pm -

2 stops19h 44m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$450

Sun 1/104:38 pm -

1 stop17h 47m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$452

Sun 1/105:35 pm -

2 stops43h 44m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$540

Wed 11/254:25 pm -

1 stop8h 21m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/7

$565

Mon 1/41:58 pm -

1 stop11h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/7

$586

Sun 1/103:55 pm -

3 stops31h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$721

Sat 1/93:50 pm -

3 stops31h 09m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/5

$734

Mon 1/45:35 pm -

2 stops29h 24m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/7

$879

Sun 1/33:55 pm -

3 stops44h 39m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 11/7

$1,112

Find flight deals from Saint Lucia to Washington, D.C.

Round-trip from	$721 (United Airlines)
One-way from	$407 (American Airlines)

From Saint Lucia to Washington, D.C. (WAS)

Search Deals

One-way flight from Saint Lucia to Washington, D.C. (WAS)

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Wed 2/24

4:57 pm-9:24 am

1 stop17h 27m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$407

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Wed 2/24

5:35 pm-12:19 pm

2 stops19h 44m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$450

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Sun 1/10

4:38 pm-9:25 am

1 stop17h 47m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$452

Quickest round-trip

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Wed 11/25

4:25 pm-11:46 pm

1 stop8h 21m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$565

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Mon 1/4

1:58 pm-12:28 am

1 stop11h 30m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$586

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Tue 12/22

3:21 pm-3:30 pm

1 stop25h 09m

Washington, D.C. Reagan-National

Tue 12/29

7:20 pm-2:15 pm

1 stop17h 55m

$721

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Sat 1/9

3:50 pm-3:24 pm

2 stops24h 34m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$849

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Wed 11/25

4:25 pm-11:46 pm

1 stop8h 21m

Washington, D.C. Reagan-National

Thu 12/3

6:00 am-3:04 pm

1 stop8h 04m

$857

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Mon 12/21

3:47 pm-12:28 am

1 stop9h 41m

Washington, D.C. Reagan-National

Mon 12/28

5:00 am-2:47 pm

2 stops8h 47m

$917

CastriesWashington, D.C.

UVF Castries Hewanorra - DCA Washington, D.C. Reagan-National

UVFDCA

Castries Hewanorra

Sun 1/3

3:55 pm-4:37 pm

2 stops49h 42m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$1,115

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Saint Lucia to Washington, D.C.

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

UVF-DCA

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 Saint Lucia to Washington, D.C.

LC0-WAS

UVF-DCA

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Saint Lucia to Washington, D.C.?
Departing from Saint Lucia to Washington, D.C. will take you 8h 21m. Airlines will cover a distance of 1993 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Saint Lucia to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Saint Lucia to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Saint Lucia to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Lucia to Washington, D.C..
Can I find deals for business class flights from Saint Lucia to Washington, D.C.?
Yes. Cheapflights offers flight deals from Saint Lucia to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Alexandria

Woodbridge

Arlington

Lanham

Reston

Herndon

Hyattsville

Springfield

Fredericksburg

Falls Church

Towson

Silver Spring

Rockville

Oxon Hill

Laurel

Clinton

Hunt Valley

Owings Mills

Waldorf

Colonial Beach

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Washington, D.C. flight routes

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

Santo Domingo to Dulles Intl flights

Punta Cana to Dulles Intl flights

Santiago de los Caballeros to Reagan-National flights

Punta Cana to Reagan-National flights

Kingston to Dulles Intl flights

Bridgetown to Reagan-National flights

Kingston to Reagan-National flights

Aguadilla to Reagan-National flights

Saint Thomas Island to Dulles Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$407+ Cheap flights from Saint Lucia to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Saint Lucia to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Saint Lucia to Washington, D.C.

Cheapest flights from Saint Lucia to Washington, D.C.Explore the most affordable flight options available from Saint Lucia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.

Explore the most affordable flight options available from Saint Lucia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.

Best flights from Saint Lucia to Washington, D.C.Discover carefully curated flight deals from Saint Lucia to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Discover carefully curated flight deals from Saint Lucia to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Last-minute flights from Saint Lucia to Washington, D.C.Discover last-minute flight deals from Saint Lucia to Washington, D.C.. Data last updated November 9, 2026 and is based on user searches.

Discover last-minute flight deals from Saint Lucia to Washington, D.C.. Data last updated November 9, 2026 and is based on user searches.

One-way flights from Saint Lucia to Washington, D.C.Search for one-way flight options from Saint Lucia to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Search for one-way flight options from Saint Lucia to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.

Find flight deals from Saint Lucia to Washington, D.C.

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Saint Lucia to Washington, D.C.

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

Cheapflights Insights

Related info for your journey

How long is the flight from Saint Lucia to Washington, D.C.?

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

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

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

Traveling to a place near Washington, D.C.?

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 Saint Lucia to Washington, D.C.

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

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Saint Lucia to Washington, D.C. by cabin class

Find flights from Saint Lucia to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Saint Lucia and Washington, D.C. flights

Browse other Saint Lucia and Washington, D.C. flight options. Last updated on November 9, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 9, 2026.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Saint Lucia to Washington, D.C.
Explore the most affordable flight options available from Saint Lucia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.

Best flights from Saint Lucia to Washington, D.C.
Discover carefully curated flight deals from Saint Lucia to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.

Last-minute flights from Saint Lucia to Washington, D.C.
Discover last-minute flight deals from Saint Lucia to Washington, D.C.. Data last updated November 9, 2026 and is based on user searches.

One-way flights from Saint Lucia to Washington, D.C.
Search for one-way flight options from Saint Lucia to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.