Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Saint Lucia from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:09 pm - 2:10 pm
IAD
-
UVF
16h 01m
2 stops
Air Canada Logo
3:05 pm - 3:34 pm
UVF
-
IAD
24h 29m
1 stop
$413Air Canada
Thu, Jun 4 - Tue, Jun 9
Air Canada Logo
10:09 pm - 2:05 pm
IAD
-
UVF
39h 56m
2 stops
Air Canada Logo
3:05 pm - 7:44 am
UVF
-
IAD
16h 39m
2 stops
$418Air Canada
Wed, May 27 - Tue, Jun 2
Air Canada Logo
4:30 pm - 4:25 pm
IAD
-
UVF
22h 55m
1 stop
Air Canada Logo
4:20 pm - 3:46 pm
UVF
-
IAD
23h 26m
1 stop
$447Air Canada
Tue, Mar 3 - Wed, Mar 11
Air Canada Logo
4:30 pm - 4:25 pm
IAD
-
UVF
22h 55m
1 stop
Air Canada Logo
4:20 pm - 3:46 pm
UVF
-
IAD
23h 26m
1 stop
$448Air Canada
Tue, Mar 3 - Wed, Mar 11
Air Canada Logo
4:30 pm - 3:25 pm
IAD
-
UVF
22h 55m
1 stop
Air Canada Logo
4:20 pm - 7:50 am
UVF
-
IAD
15h 30m
2 stops
$452Air Canada
Sun, Mar 29 - Sun, Apr 5
Air Canada Logo
10:13 pm - 4:25 pm
IAD
-
UVF
17h 12m
2 stops
Air Canada Logo
4:20 pm - 3:46 pm
UVF
-
IAD
23h 26m
1 stop
$453Air Canada
Tue, Mar 3 - Wed, Mar 11
Air Canada Logo
10:07 pm - 3:25 pm
IAD
-
UVF
17h 18m
2 stops
Air Canada Logo
4:15 pm - 11:50 am
UVF
-
IAD
19h 35m
2 stops
$457Air Canada
Sun, Mar 29 - Thu, Apr 2
Air Canada Logo
4:10 pm - 2:10 pm
IAD
-
UVF
22h 00m
1 stop
Air Canada Logo
3:05 pm - 3:34 pm
UVF
-
IAD
24h 29m
1 stop
$458Air Canada
Thu, Jun 4 - Tue, Jun 9
Multiple Airlines Logo
2:35 pm - 5:15 pm
IAD
-
SLU
25h 40m
3 stops
Multiple Airlines Logo
6:45 pm - 3:46 pm
SLU
-
IAD
21h 01m
2 stops
$907Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
Multiple Airlines Logo
9:45 am - 7:00 pm
IAD
-
SLU
32h 15m
2 stops
Multiple Airlines Logo
12:35 pm - 8:54 pm
SLU
-
IAD
32h 19m
2 stops
$919Multiple Airlines
Wed, Mar 4 - Wed, Mar 11

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 22
IAD7:35 pmWashington, D.C. Dulles Intl
18h 30m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 27
UVF4:25 pmCastries Hewanorra
18h 29m
1 stop
IAD9:54 amWashington, D.C. Dulles Intl
$514
Delta
Feb 19
IAD7:35 pmWashington, D.C. Dulles Intl
18h 30m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 24
UVF4:25 pmCastries Hewanorra
8h 56m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
$544
Delta
Feb 18
IAD6:00 amWashington, D.C. Dulles Intl
8h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 24
UVF4:25 pmCastries Hewanorra
8h 56m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
$551

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
Jun 4
IAD10:09 pmWashington, D.C. Dulles Intl
16h 01m
2 stops
UVF2:10 pmCastries Hewanorra
Jun 9
UVF3:05 pmCastries Hewanorra
24h 29m
1 stop
IAD3:34 pmWashington, D.C. Dulles Intl
$413
Air Canada
May 27
IAD10:09 pmWashington, D.C. Dulles Intl
39h 56m
2 stops
UVF2:05 pmCastries Hewanorra
Jun 2
UVF3:05 pmCastries Hewanorra
16h 39m
2 stops
IAD7:44 amWashington, D.C. Dulles Intl
$418
Air Canada
Mar 3
IAD4:30 pmWashington, D.C. Dulles Intl
22h 55m
1 stop
UVF4:25 pmCastries Hewanorra
Mar 11
UVF4:20 pmCastries Hewanorra
23h 26m
1 stop
IAD3:46 pmWashington, D.C. Dulles Intl
$447

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated February 7, 2026.
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

Thu 6/4

10:09 pm-2:10 pm

2 stops16h 01m

Castries Hewanorra

Tue 6/9

3:05 pm-3:34 pm

1 stop24h 29m

$413

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 5/27

10:09 pm-2:05 pm

2 stops39h 56m

Castries Hewanorra

Tue 6/2

3:05 pm-7:44 am

2 stops16h 39m

$418

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 3/3

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Wed 3/11

4:20 pm-3:46 pm

1 stop23h 26m

$447

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 3/3

4:30 pm-4:25 pm

1 stop22h 55m

Castries Hewanorra

Wed 3/11

4:20 pm-3:46 pm

1 stop23h 26m

$448

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 3/29

4:30 pm-3:25 pm

1 stop22h 55m

Castries Hewanorra

Sun 4/5

4:20 pm-7:50 am

2 stops15h 30m

$452

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 3/3

10:13 pm-4:25 pm

2 stops17h 12m

Castries Hewanorra

Wed 3/11

4:20 pm-3:46 pm

1 stop23h 26m

$453

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 3/29

10:07 pm-3:25 pm

2 stops17h 18m

Castries Hewanorra

Thu 4/2

4:15 pm-11:50 am

2 stops19h 35m

$457

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 6/4

4:10 pm-2:10 pm

1 stop22h 00m

Castries Hewanorra

Tue 6/9

3:05 pm-3:34 pm

1 stop24h 29m

$458

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Thu 3/5

2:35 pm-5:15 pm

3 stops25h 40m

Castries George F. L. Charle

Sun 3/8

6:45 pm-3:46 pm

2 stops21h 01m

$907

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Wed 3/4

9:45 am-7:00 pm

2 stops32h 15m

Castries George F. L. Charle

Wed 3/11

12:35 pm-8:54 pm

2 stops32h 19m

$919

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 airline that flies from Washington, D.C. Dulles Intl to Saint Lucia?

Air Canada is the most popular carrier 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

Fastest flight time

7h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Saint Lucia takes 7h 05m
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?

  • 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 AirlinesPriceFrom $351Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights
DeltaPriceFrom $452Free CancellationRating
7.9
8,162 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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/9
Mon 3/16
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to Castriesfrom $469