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Cheap flights from Washington, D.C. Dulles Intl Airport to Saint Lucia from $322

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 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
American Airlines Logo
7:04 am - 3:03 pm
IAD
-
UVF
6h 59m1 stop
American Airlines Logo
4:06 pm - 11:12 pm
UVF
-
IAD
8h 06m1 stop
$347American Airlines
Sun, Jan 11 - Thu, Jan 15
American Airlines Logo
11:34 am - 1:46 pm
IAD
-
UVF
25h 12m2 stops
American Airlines Logo
2:46 pm - 10:58 am
UVF
-
IAD
21h 12m2 stops
$352American Airlines
Sun, Jan 11 - Thu, Jan 15
American Airlines Logo
1:08 pm - 3:03 pm
IAD
-
UVF
24h 55m1 stop
American Airlines Logo
4:06 pm - 11:12 pm
UVF
-
IAD
8h 06m1 stop
$353American Airlines
Sat, Jan 24 - Thu, Jan 29
American Airlines Logo
7:01 am - 3:03 pm
IAD
-
UVF
7h 02m1 stop
American Airlines Logo
5:02 pm - 10:58 am
UVF
-
IAD
18h 56m2 stops
$357American Airlines
Thu, Jan 29 - Sun, Feb 1
American Airlines Logo
11:22 am - 3:25 pm
IAD
-
UVF
27h 03m1 stop
American Airlines Logo
5:00 pm - 8:43 am
UVF
-
IAD
16h 43m2 stops
$358American Airlines
Wed, Feb 25 - Wed, Mar 4
American Airlines Logo
5:46 pm - 1:46 pm
IAD
-
UVF
19h 00m2 stops
American Airlines Logo
5:02 pm - 5:16 pm
UVF
-
IAD
25h 14m2 stops
$365American Airlines
Sun, Jan 11 - Thu, Jan 15
American Airlines Logo
7:04 am - 3:03 pm
IAD
-
UVF
6h 59m1 stop
American Airlines Logo
5:02 pm - 12:36 pm
UVF
-
IAD
20h 34m2 stops
$377American Airlines
Sun, Jan 11 - Mon, Jan 19
American Airlines Logo
1:08 pm - 3:03 pm
IAD
-
UVF
24h 55m1 stop
American Airlines Logo
3:10 pm - 10:58 am
UVF
-
IAD
20h 48m2 stops
$383American Airlines
Sat, Jan 10 - Sat, Jan 17
Delta Logo
6:00 am - 3:05 pm
IAD
-
UVF
8h 05m1 stop
Delta Logo
3:24 pm - 12:26 am
UVF
-
IAD
9h 02m1 stop
$461Delta
Tue, Mar 3 - Wed, Mar 11
Multiple Airlines Logo
9:55 am - 1:10 pm
IAD
-
SLU
27h 15m3 stops
Multiple Airlines Logo
6:20 pm - 5:14 pm
SLU
-
IAD
22h 54m2 stops
$1,469Multiple Airlines
Fri, Apr 10 - Sat, Apr 18

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
IAD7:04 amWashington, D.C. Dulles Intl
6h 59m
1 stop
UVF3:03 pmCastries Hewanorra
Jan 15
UVF4:06 pmCastries Hewanorra
8h 06m
1 stop
IAD11:12 pmWashington, D.C. Dulles Intl
$347
Find similar
American Airlines
Jan 11
IAD11:34 amWashington, D.C. Dulles Intl
25h 12m
2 stops
UVF1:46 pmCastries Hewanorra
Jan 15
UVF2:46 pmCastries Hewanorra
21h 12m
2 stops
IAD10:58 amWashington, D.C. Dulles Intl
$352
Find similar
American Airlines
Jan 24
IAD1:08 pmWashington, D.C. Dulles Intl
24h 55m
1 stop
UVF3:03 pmCastries Hewanorra
Jan 29
UVF4:06 pmCastries Hewanorra
8h 06m
1 stop
IAD11:12 pmWashington, D.C. Dulles Intl
$353
Find similar

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
Mar 3
IAD6:00 amWashington, D.C. Dulles Intl
8h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Mar 11
UVF3:24 pmCastries Hewanorra
9h 02m
1 stop
IAD12:26 amWashington, D.C. Dulles Intl
$461
Find similar
Delta
Jan 28
IAD6:00 amWashington, D.C. Dulles Intl
8h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 4
UVF4:25 pmCastries Hewanorra
8h 59m
1 stop
IAD12:24 amWashington, D.C. Dulles Intl
$462
Find similar
Delta
Jan 14
IAD6:20 amWashington, D.C. Dulles Intl
7h 45m
1 stop
UVF3:05 pmCastries Hewanorra
Jan 18
UVF4:25 pmCastries Hewanorra
8h 09m
1 stop
IAD11:34 pmWashington, D.C. Dulles Intl
$532
Find similar

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 December 14, 2025.
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 1/11

7:04 am-3:03 pm

1 stop6h 59m

Castries Hewanorra

Thu 1/15

4:06 pm-11:12 pm

1 stop8h 06m

$347

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 1/11

11:34 am-1:46 pm

2 stops25h 12m

Castries Hewanorra

Thu 1/15

2:46 pm-10:58 am

2 stops21h 12m

$352

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 1/24

1:08 pm-3:03 pm

1 stop24h 55m

Castries Hewanorra

Thu 1/29

4:06 pm-11:12 pm

1 stop8h 06m

$353

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 1/29

7:01 am-3:03 pm

1 stop7h 02m

Castries Hewanorra

Sun 2/1

5:02 pm-10:58 am

2 stops18h 56m

$357

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 2/25

11:22 am-3:25 pm

1 stop27h 03m

Castries Hewanorra

Wed 3/4

5:00 pm-8:43 am

2 stops16h 43m

$358

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 1/11

5:46 pm-1:46 pm

2 stops19h 00m

Castries Hewanorra

Thu 1/15

5:02 pm-5:16 pm

2 stops25h 14m

$365

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sun 1/11

7:04 am-3:03 pm

1 stop6h 59m

Castries Hewanorra

Mon 1/19

5:02 pm-12:36 pm

2 stops20h 34m

$377

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Sat 1/10

1:08 pm-3:03 pm

1 stop24h 55m

Castries Hewanorra

Sat 1/17

3:10 pm-10:58 am

2 stops20h 48m

$383

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Tue 3/3

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Wed 3/11

3:24 pm-12:26 am

1 stop9h 02m

$461

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Fri 4/10

9:55 am-1:10 pm

3 stops27h 15m

Castries George F. L. Charle

Sat 4/18

6:20 pm-5:14 pm

2 stops22h 54m

$1,469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

Fastest flight time

6h 59m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Saint Lucia takes 6h 59m
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 $461Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $495Free CancellationRating
7.9
8,007 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.

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