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

Air Canada, United Airlines, 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 September 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.

$166 Cheap Flights from Washington, D.C. Dulles Intl Airport to Saint Lucia in 2025/26

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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

9:45 am - 3:25 pmIAD-UVF

29h 40m2 stops

5:15 pm - 8:26 pmUVF-IAD

28h 11m1 stop

$394Air Canada

Find Deal

Sun, Oct 26 - Sun, Nov 2

10:12 pm - 4:25 pmIAD-UVF

42h 13m2 stops

5:15 pm - 8:54 pmUVF-IAD

28h 39m2 stops

$414Air Canada

Find Deal

Fri, Oct 31 - Mon, Nov 3

10:11 pm - 4:25 pmIAD-UVF

18h 14m1 stop

5:15 pm - 8:26 pmUVF-IAD

28h 11m1 stop

$416Air Canada

Find Deal

Sat, Nov 1 - Fri, Nov 7

7:00 am - 3:04 pmIAD-UVF

7h 04m1 stop

4:24 pm - 9:11 amUVF-IAD

17h 47m1 stop

$463Delta

Find Deal

Thu, Feb 26 - Mon, Mar 2

6:00 am - 3:04 pmIAD-UVF

8h 04m1 stop

4:24 pm - 12:07 amUVF-IAD

8h 43m1 stop

$525Delta

Find Deal

Thu, Feb 19 - Tue, Feb 24

8:46 pm - 4:25 pmIAD-UVF

42h 39m3 stops

5:15 pm - 8:54 pmUVF-IAD

28h 39m2 stops

$558Multiple Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 14

8:02 pm - 1:50 pmIAD-UVF

41h 48m2 stops

3:40 pm - 10:24 amUVF-IAD

19h 44m1 stop

$559Multiple Airlines

Find Deal

Sun, Oct 26 - Sun, Nov 2

5:00 am - 2:25 pmIAD-UVF

8h 25m1 stop

5:10 pm - 8:41 amUVF-IAD

16h 31m1 stop

$567American Airlines

Find Deal

Sun, Jan 11 - Wed, Jan 21

5:00 am - 3:50 pmIAD-UVF

9h 50m2 stops

3:35 pm - 12:41 pmUVF-IAD

22h 06m2 stops

$572American Airlines

Find Deal

Wed, Jan 28 - Wed, Mar 4

6:30 am - 4:25 pmIAD-UVF

8h 55m1 stop

1:52 pm - 11:59 pmUVF-IAD

11h 07m1 stop

$617United Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

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

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

Delta

Feb 26

IAD7:00 amWashington, D.C. Dulles Intl

7h 04m

1 stop

UVF3:04 pmCastries Hewanorra

Mar 2

UVF4:24 pmCastries Hewanorra

17h 47m

1 stop

IAD9:11 amWashington, D.C. Dulles Intl

$463

Find similar

Delta

Feb 19

IAD6:00 amWashington, D.C. Dulles Intl

8h 04m

1 stop

UVF3:04 pmCastries Hewanorra

Feb 24

UVF4:24 pmCastries Hewanorra

8h 43m

1 stop

IAD12:07 amWashington, D.C. Dulles Intl

$525

Find similar

Delta

Oct 23

IAD6:00 amWashington, D.C. Dulles Intl

8h 26m

1 stop

UVF2:26 pmCastries Hewanorra

Oct 27

UVF3:41 pmCastries Hewanorra

8h 31m

1 stop

IAD12:12 amWashington, D.C. Dulles Intl

$595

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 11

IAD5:00 amWashington, D.C. Dulles Intl

8h 25m

1 stop

UVF2:25 pmCastries Hewanorra

Jan 21

UVF5:10 pmCastries Hewanorra

16h 31m

1 stop

IAD8:41 amWashington, D.C. Dulles Intl

$567

Find similar

American Airlines

Jan 28

IAD5:00 amWashington, D.C. Dulles Intl

9h 50m

2 stops

UVF3:50 pmCastries Hewanorra

Mar 4

UVF3:35 pmCastries Hewanorra

22h 06m

2 stops

IAD12:41 pmWashington, D.C. Dulles Intl

$572

Find similar

American Airlines

Jan 3

IAD4:33 pmWashington, D.C. Dulles Intl

21h 19m

1 stop

UVF2:52 pmCastries Hewanorra

Jan 8

UVF5:10 pmCastries Hewanorra

16h 31m

1 stop

IAD8:41 amWashington, 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

Sun 10/26

9:45 am-3:25 pm

2 stops29h 40m

Castries Hewanorra

Sun 11/2

5:15 pm-8:26 pm

1 stop28h 11m

$394

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Fri 10/31

10:12 pm-4:25 pm

2 stops42h 13m

Castries Hewanorra

Mon 11/3

5:15 pm-8:54 pm

2 stops28h 39m

$414

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 11/1

10:11 pm-4:25 pm

1 stop18h 14m

Castries Hewanorra

Fri 11/7

5:15 pm-8:26 pm

1 stop28h 11m

$416

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 2/26

7:00 am-3:04 pm

1 stop7h 04m

Castries Hewanorra

Mon 3/2

4:24 pm-9:11 am

1 stop17h 47m

$463

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 2/19

6:00 am-3:04 pm

1 stop8h 04m

Castries Hewanorra

Tue 2/24

4:24 pm-12:07 am

1 stop8h 43m

$525

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Fri 11/7

8:46 pm-4:25 pm

3 stops42h 39m

Castries Hewanorra

Fri 11/14

5:15 pm-8:54 pm

2 stops28h 39m

$558

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 10/26

8:02 pm-1:50 pm

2 stops41h 48m

Castries Hewanorra

Sun 11/2

3:40 pm-10:24 am

1 stop19h 44m

$559

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 1/11

5:00 am-2:25 pm

1 stop8h 25m

Castries Hewanorra

Wed 1/21

5:10 pm-8:41 am

1 stop16h 31m

$567

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 1/28

5:00 am-3:50 pm

2 stops9h 50m

Castries Hewanorra

Wed 3/4

3:35 pm-12:41 pm

2 stops22h 06m

$572

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 11/15

6:30 am-4:25 pm

1 stop8h 55m

Castries Hewanorra

Sat 11/22

1:52 pm-11:59 pm

1 stop11h 07m

$617

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

Direct flights	None

There are no direct flights from Washington, D.C. Dulles Intl Airport to Saint Lucia. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Saint Lucia.

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 September 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
Delta	PriceFrom $555	Free Cancellation	Rating 7.9 7,973 reviews		Search Delta flights
American Airlines	PriceFrom $567	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines 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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Flights to Castriesfrom $429

Washington, D.C. Dulles Intl Airport flight routes

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Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Cheap flights from Washington, D.C. Dulles Intl Airport to Saint Lucia from $166

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Big names and deals

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

Our best Delta 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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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, United Airlines, 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

Direct flights

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