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

One-way options have recently been found by users for as low as $386 on Delta. Other airlines that offer cheap prices include WestJet from $398 and American Airlines from $418 one-way.

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

Currently, August is the cheapest month in which you can book a flight from Saint Lucia to Washington, D.C. (average of $309). Flying from Saint Lucia to Washington, D.C. in June is currently the most expensive (average of $373). 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 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.

$563+ Flights from Saint Lucia to Washington, D.C. - Compare & Save Big

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.

Round-trip from	$692 (American Airlines)
One-way from	$386 (Delta)

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

Search Deals

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

Search Deals

Find 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 April 29, 2025.

Thu 7/313:00 pmUVF - DCA

2 stops15h 59mAmerican Airlines

Mon 8/115:00 amDCA - UVF

1 stop9h 15mAmerican Airlines

Deal found 4/29

$692

Thu 7/313:00 pmUVF - BWI

1 stop27h 20mAmerican Airlines

Mon 8/115:38 pmBWI - UVF

2 stops20h 27mAmerican Airlines

Deal found 4/29

$705

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 April 29, 2025.

Thu 7/313:00 pmUVF - DCA

2 stops15h 59mAmerican Airlines

Mon 8/115:00 amDCA - UVF

1 stop9h 15mAmerican Airlines

Deal found 4/29

$692

Thu 7/313:00 pmUVF - BWI

1 stop27h 20mAmerican Airlines

Mon 8/115:38 pmBWI - UVF

2 stops20h 27mAmerican Airlines

Deal found 4/29

$705

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 April 29, 2025.

Wed 5/143:26 pmUVF - DCA

1 stop8h 17mDelta

Deal found 4/28

$386

Sun 6/82:35 pmUVF - DCA

2 stops29h 10mWestJet

Deal found 4/28

$398

Mon 9/83:34 pmUVF - DCA

1 stop8h 06mAmerican Airlines

Deal found 4/28

$418

Thu 5/153:26 pmUVF - BWI

1 stop9h 22mDelta

Deal found 4/29

$484

Fri 7/253:10 pmUVF - DCA

1 stop26h 52mAir Canada

Deal found 4/29

$547

Thu 5/154:05 pmUVF - BWI

3 stops31h 28mMultiple Airlines

Deal found 4/29

$649

Fri 5/302:34 pmUVF - BWI

1 stop9h 18mAmerican Airlines

Deal found 4/29

$655

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

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Thu 7/31

3:00 pm-6:59 am

2 stops15h 59m

Washington, D.C. Reagan-National

Mon 8/11

5:00 am-2:15 pm

1 stop9h 15m

$692

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Thu 7/31

3:00 pm-6:20 pm

1 stop27h 20m

Baltimore/Washington

Mon 8/11

5:38 pm-2:05 pm

2 stops20h 27m

$705

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Wed 5/14

3:26 pm-11:43 pm

1 stop8h 17m

$386

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Sun 6/8

2:35 pm-7:45 pm

2 stops29h 10m

$398

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Mon 9/8

3:34 pm-11:40 pm

1 stop8h 06m

$418

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Thu 5/15

3:26 pm-12:48 am

1 stop9h 22m

$484

CastriesWashington, D.C.

UVF - DCA

UVFDCA

Castries Hewanorra

Fri 7/25

3:10 pm-6:02 pm

1 stop26h 52m

$547

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Thu 5/15

4:05 pm-11:33 pm

3 stops31h 28m

$649

CastriesBaltimore

UVF - BWI

UVFBWI

Castries Hewanorra

Fri 5/30

2:34 pm-11:52 pm

1 stop9h 18m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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.

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.

Rainfall in Washington, D.C. by month

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.

Temperature in Washington, D.C. by month

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).

Reviews of airlines servicing Washington, D.C.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet

7.2

Good

2,823 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.0

Good

9,244 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Saint Lucia to Washington, D.C. one-way?
One-way options have recently been found by users for as low as $386 on Delta. Other airlines that offer cheap prices include WestJet from $398 and American Airlines from $418 one-way.
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.
What is the cheapest month to book a flight from Saint Lucia to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Saint Lucia to Washington, D.C. (average of $309). Flying from Saint Lucia to Washington, D.C. in June is currently the most expensive (average of $373). 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

Alexandria

Arlington

Woodbridge

Tysons

Fairfax

Springfield

Rockville

Fredericksburg

Silver Spring

Gaithersburg

Linthicum Heights

Falls Church

Laurel

Easton

Towson

Herndon

Bowie

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

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.

$386+ Cheap flights from Saint Lucia to Washington, D.C. (WAS)

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 5/14. 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.

Keep the following information in mind while searching for Saint Lucia to Washington, D.C. flight deals. Data was last updated April 29, 2025.

Round-trip from

One-way from

Find 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 April 29, 2025.

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 April 29, 2025.

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

Everything you need to know about your flight from Saint Lucia to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Saint Lucia to Washington, D.C.. 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 Saint Lucia to Washington, D.C. one-way?

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.?

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

Traveling to a place near 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 Saint Lucia to Washington, D.C.

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

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 April 29, 2025.