What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Saint Lucia?

Air Canada, Delta, and American Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Saint Lucia

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia?

As of August 2025, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Saint Lucia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$161 Cheap Flights from Washington, D.C. Dulles Intl Airport to Saint Lucia in 2025

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Saint Lucia

Round-trip

One-way

Last minute

Cheap round-trip flights

2:25 pm - 2:15 pmIAD-UVF

23h 50m1 stop

3:10 pm - 1:38 pmUVF-IAD

22h 28m1 stop

$360Air Canada

Find Deal

Mon, Sep 8 - Tue, Sep 16

2:25 pm - 2:15 pmIAD-UVF

23h 50m1 stop

3:10 pm - 9:05 pmUVF-IAD

29h 55m2 stops

$389Air Canada

Find Deal

Mon, Sep 8 - Tue, Sep 16

10:20 am - 2:15 pmIAD-UVF

27h 55m1 stop

3:10 pm - 9:38 amUVF-IAD

18h 28m1 stop

$392Air Canada

Find Deal

Mon, Sep 8 - Tue, Sep 16

6:00 am - 3:10 pmIAD-UVF

8h 10m1 stop

4:35 pm - 9:11 amUVF-IAD

17h 36m1 stop

$495Delta

Find Deal

Fri, Nov 28 - Wed, Dec 3

5:00 am - 2:25 pmIAD-UVF

8h 25m1 stop

5:10 pm - 8:41 amUVF-IAD

16h 31m1 stop

$567American Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

6:30 am - 3:10 pmIAD-UVF

7h 40m1 stop

4:35 pm - 9:11 amUVF-IAD

17h 36m1 stop

$570Delta

Find Deal

Sat, Nov 29 - Thu, Dec 4

2:04 pm - 1:00 pmIAD-UVF

21h 56m2 stops

5:05 pm - 11:55 pmUVF-IAD

7h 50m1 stop

$572American Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 16

6:15 am - 1:31 pmIAD-UVF

7h 16m1 stop

2:35 pm - 10:58 pmUVF-IAD

8h 23m1 stop

$617United Airlines

Find Deal

Sat, Oct 11 - Sat, Oct 18

5:40 pm - 2:15 pmIAD-UVF

20h 35m3 stops

3:10 pm - 4:28 pmUVF-IAD

25h 18m2 stops

$704

Find Deal

Mon, Sep 8 - Tue, Sep 16

2:25 pm - 1:10 pmIAD-SLU

22h 45m2 stops

1:55 pm - 1:38 pmSLU-IAD

23h 43m3 stops

$871

Find Deal

Fri, Sep 19 - Fri, Sep 26

Air Canada flights from Washington, D.C. Dulles Intl Airport to Saint Lucia

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Saint Lucia flight tickets

Air Canada

Sep 8

IAD2:25 pmWashington, D.C. Dulles Intl

23h 50m

1 stop

UVF2:15 pmCastries Hewanorra

Sep 16

UVF3:10 pmCastries Hewanorra

22h 28m

1 stop

IAD1:38 pmWashington, D.C. Dulles Intl

$360

Find similar

Air Canada

Sep 8

IAD2:25 pmWashington, D.C. Dulles Intl

23h 50m

1 stop

UVF2:15 pmCastries Hewanorra

Sep 16

UVF3:10 pmCastries Hewanorra

29h 55m

2 stops

IAD9:05 pmWashington, D.C. Dulles Intl

$389

Find similar

Air Canada

Sep 8

IAD10:20 amWashington, D.C. Dulles Intl

27h 55m

1 stop

UVF2:15 pmCastries Hewanorra

Sep 16

UVF3:10 pmCastries Hewanorra

18h 28m

1 stop

IAD9:38 amWashington, D.C. Dulles Intl

$392

Find similar

American Airlines flights from Washington, D.C. Dulles Intl Airport to Saint Lucia

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Saint Lucia flight tickets

American Airlines

Jan 7

IAD5:00 amWashington, D.C. Dulles Intl

8h 25m

1 stop

UVF2:25 pmCastries Hewanorra

Jan 14

UVF5:10 pmCastries Hewanorra

16h 31m

1 stop

IAD8:41 amWashington, D.C. Dulles Intl

$567

Find similar

American Airlines

Dec 9

IAD2:04 pmWashington, D.C. Dulles Intl

21h 56m

2 stops

UVF1:00 pmCastries Hewanorra

Dec 16

UVF5:05 pmCastries Hewanorra

7h 50m

1 stop

IAD11:55 pmWashington, D.C. Dulles Intl

$572

Find similar

American Airlines

Dec 9

IAD2:04 pmWashington, D.C. Dulles Intl

23h 16m

1 stop

UVF2:20 pmCastries Hewanorra

Dec 16

UVF5:05 pmCastries Hewanorra

7h 50m

1 stop

IAD11:55 pmWashington, D.C. Dulles Intl

$574

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/8

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Tue 9/16

3:10 pm-1:38 pm

1 stop22h 28m

$360

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/8

2:25 pm-2:15 pm

1 stop23h 50m

Castries Hewanorra

Tue 9/16

3:10 pm-9:05 pm

2 stops29h 55m

$389

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/8

10:20 am-2:15 pm

1 stop27h 55m

Castries Hewanorra

Tue 9/16

3:10 pm-9:38 am

1 stop18h 28m

$392

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Fri 11/28

6:00 am-3:10 pm

1 stop8h 10m

Castries Hewanorra

Wed 12/3

4:35 pm-9:11 am

1 stop17h 36m

$495

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 1/7

5:00 am-2:25 pm

1 stop8h 25m

Castries Hewanorra

Wed 1/14

5:10 pm-8:41 am

1 stop16h 31m

$567

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 11/29

6:30 am-3:10 pm

1 stop7h 40m

Castries Hewanorra

Thu 12/4

4:35 pm-9:11 am

1 stop17h 36m

$570

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 12/9

2:04 pm-1:00 pm

2 stops21h 56m

Castries Hewanorra

Tue 12/16

5:05 pm-11:55 pm

1 stop7h 50m

$572

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 10/11

6:15 am-1:31 pm

1 stop7h 16m

Castries Hewanorra

Sat 10/18

2:35 pm-10:58 pm

1 stop8h 23m

$617

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 9/8

5:40 pm-2:15 pm

3 stops20h 35m

Castries Hewanorra

Tue 9/16

3:10 pm-4:28 pm

2 stops25h 18m

$704

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Fri 9/19

2:25 pm-1:10 pm

2 stops22h 45m

Castries George F. L. Charle

Fri 9/26

1:55 pm-1:38 pm

3 stops23h 43m

$871

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Wednesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $659. On the other hand, Saturday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,237.

Cheap Washington, D.C. Dulles Intl Airport to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Saint Lucia

Best Price Found	$161
Fastest flight time	7h 06m
Direct flights	None
Airports in Saint Lucia	2 airports

The best one-way flight to Saint Lucia from Washington, D.C. Dulles Intl Airport in the past 72 hours is $161. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Saint Lucia found on momondo in the last 72 hours is $360.

The fastest flight from Washington, D.C. Dulles Intl Airport to Saint Lucia takes 7h 06m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Saint Lucia. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Castries George F. L. Charle Airport and Washington, D.C. Dulles Intl Airport - Castries Hewanorra Airport.

There are 2 airports near Saint Lucia: Castries Hewanorra (UVF), Castries George F. L. Charle (SLU)

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia?
Prices for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia were last updated today.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia?
As of August 2025, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $555	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
Delta	PriceFrom $560	Free Cancellation	Rating 8.0 7,985 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Saint Lucia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Lucia from Washington, D.C..

Can I find flights from Washington, D.C. to Saint Lucia with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Saint Lucia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Saint Lucia.

I’m not ready to book a flight from Washington, D.C. to Saint Lucia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Saint Lucia from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Saint Lucia trip

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Popular cities in Saint Lucia

Flights to Castriesfrom $471

Washington, D.C. Dulles Intl Airport flight routes

Washington, D.C. Dulles Intl to Valparaiso Destin-Ft Walton Beach

Washington, D.C. Dulles Intl to Savannah/Hilton Head

Washington, D.C. Dulles Intl to South Bend/Michiana

Washington, D.C. Dulles Intl to Wilmington New Hanover County

Washington, D.C. Dulles Intl to Tweed-New Haven

Washington, D.C. Dulles Intl to Nashville Intl

Cheap flights from Washington, D.C. Dulles Intl Airport to Saint Lucia from $161

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Saint Lucia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air Canada flights from Washington, D.C. Dulles Intl Airport to Saint Lucia

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Saint Lucia flight tickets

American Airlines flights from Washington, D.C. Dulles Intl Airport to Saint Lucia

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Saint Lucia flight tickets

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

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Saint Lucia?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Saint Lucia?

Air Canada, Delta, and American Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Saint Lucia

Cheap Washington, D.C. Dulles Intl Airport to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Saint Lucia

Best Price Found

Fastest flight time

Direct flights

Airports in Saint Lucia

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia?

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Saint Lucia?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Saint Lucia?

What documentation or ID do you need to fly to Saint Lucia?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Saint Lucia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Saint Lucia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Saint Lucia?

Can I find flights from Washington, D.C. to Saint Lucia with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Saint Lucia?

I’m not ready to book a flight from Washington, D.C. to Saint Lucia right now. Can momondo alert me if prices change?

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo