Cheap flights from Washington, D.C. Dulles Intl Airport to Saint Lucia from $141

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 6/14. 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
1 adult, Economy, 0 bags

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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.
Air Canada Logo
4:05 pm - 2:10 pm
IAD
-
UVF
22h 05m
1 stop
Air Canada Logo
3:05 pm - 3:24 pm
UVF
-
IAD
24h 19m
1 stop
$382Air Canada
Mon, Jun 15 - Fri, Jun 19
Air Canada Logo
4:05 pm - 2:10 pm
IAD
-
UVF
22h 05m
1 stop
Air Canada Logo
3:05 pm - 11:43 am
UVF
-
IAD
20h 38m
2 stops
$387Air Canada
Mon, Jun 15 - Fri, Jun 19
Air Canada Logo
5:06 pm - 2:10 pm
IAD
-
UVF
21h 04m
2 stops
Air Canada Logo
3:05 pm - 11:43 am
UVF
-
IAD
20h 38m
2 stops
$392Air Canada
Mon, Jun 15 - Fri, Jun 19
Air Canada Logo
10:10 pm - 2:05 pm
IAD
-
UVF
39h 55m
2 stops
Air Canada Logo
3:05 pm - 4:35 pm
UVF
-
IAD
25h 30m
2 stops
$397Air Canada
Wed, May 27 - Tue, Jun 2
Air Canada Logo
10:10 pm - 2:05 pm
IAD
-
UVF
15h 55m
2 stops
Air Canada Logo
3:05 pm - 3:29 pm
UVF
-
IAD
24h 24m
1 stop
$408Air Canada
Thu, May 21 - Fri, Jun 5
Air Canada Logo
10:10 pm - 2:05 pm
IAD
-
UVF
39h 55m
2 stops
Air Canada Logo
3:05 pm - 3:29 pm
UVF
-
IAD
24h 24m
1 stop
$413Air Canada
Wed, May 27 - Tue, Jun 2
Air Canada Logo
5:15 pm - 2:20 pm
IAD
-
UVF
21h 05m
1 stop
Air Canada Logo
3:05 pm - 3:24 pm
UVF
-
IAD
24h 19m
1 stop
$417Air Canada
Thu, Jun 18 - Tue, Jun 23
Air Canada Logo
10:10 pm - 2:05 pm
IAD
-
UVF
39h 55m
2 stops
Air Canada Logo
3:05 pm - 11:43 am
UVF
-
IAD
20h 38m
2 stops
$437Air Canada
Wed, May 27 - Tue, Jun 2
Multiple Airlines Logo
3:45 pm - 2:35 pm
IAD
-
SLU
22h 50m
3 stops
Multiple Airlines Logo
5:50 pm - 3:29 pm
SLU
-
IAD
21h 39m
2 stops
$926Multiple Airlines
Sat, May 16 - Sat, May 23
Multiple Airlines Logo
9:55 am - 7:00 pm
IAD
-
SLU
33h 05m
2 stops
Multiple Airlines Logo
6:00 pm - 8:24 pm
SLU
-
IAD
26h 24m
2 stops
$953Multiple Airlines
Wed, Jun 24 - Sun, Jun 28

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 15
IAD4:05 pmWashington, D.C. Dulles Intl
22h 05m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 19
UVF3:05 pmCastries Hewanorra
24h 19m
1 stop
IAD3:24 pmWashington, D.C. Dulles Intl
$382
Air Canada
Jun 15
IAD4:05 pmWashington, D.C. Dulles Intl
22h 05m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 19
UVF3:05 pmCastries Hewanorra
20h 38m
2 stops
IAD11:43 amWashington, D.C. Dulles Intl
$387
Air Canada
Jun 1
IAD5:06 pmWashington, D.C. Dulles Intl
21h 04m
2 stops
UVF2:10 pmCastries Hewanorra
Jun 9
UVF3:05 pmCastries Hewanorra
20h 38m
2 stops
IAD11:43 amWashington, D.C. Dulles Intl
$392

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
Apr 7
IAD6:01 amWashington, D.C. Dulles Intl
7h 57m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 14
UVF3:22 pmCastries Hewanorra
9h 20m
1 stop
IAD12:42 amWashington, D.C. Dulles Intl
$956
Delta
Apr 10
IAD6:01 amWashington, D.C. Dulles Intl
7h 57m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 14
UVF3:22 pmCastries Hewanorra
9h 20m
1 stop
IAD12:42 amWashington, D.C. Dulles Intl
$991
Delta
Apr 9
IAD6:01 amWashington, D.C. Dulles Intl
7h 57m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 14
UVF3:22 pmCastries Hewanorra
9h 20m
1 stop
IAD12:42 amWashington, D.C. Dulles Intl
$1,041

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 April 1, 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

Cheapest round-trip

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

4:05 pm-2:10 pm

1 stop22h 05m

Castries Hewanorra

Fri 6/19

3:05 pm-3:24 pm

1 stop24h 19m

$382

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

4:05 pm-2:10 pm

1 stop22h 05m

Castries Hewanorra

Fri 6/19

3:05 pm-11:43 am

2 stops20h 38m

$387

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Mon 6/15

5:06 pm-2:10 pm

2 stops21h 04m

Castries Hewanorra

Fri 6/19

3:05 pm-11:43 am

2 stops20h 38m

$392

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 5/27

10:10 pm-2:05 pm

2 stops39h 55m

Castries Hewanorra

Tue 6/2

3:05 pm-4:35 pm

2 stops25h 30m

$397
Quickest round-trip

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 5/21

10:10 pm-2:05 pm

2 stops15h 55m

Castries Hewanorra

Fri 6/5

3:05 pm-3:29 pm

1 stop24h 24m

$408

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 5/27

10:10 pm-2:05 pm

2 stops39h 55m

Castries Hewanorra

Tue 6/2

3:05 pm-3:29 pm

1 stop24h 24m

$413

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Thu 6/18

5:15 pm-2:20 pm

1 stop21h 05m

Castries Hewanorra

Tue 6/23

3:05 pm-3:24 pm

1 stop24h 19m

$417

Washington, D.C.Castries

IAD - UVF

IADUVF

Washington, D.C. Dulles Intl

Wed 5/27

10:10 pm-2:05 pm

2 stops39h 55m

Castries Hewanorra

Tue 6/2

3:05 pm-11:43 am

2 stops20h 38m

$437

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Sat 5/16

3:45 pm-2:35 pm

3 stops22h 50m

Castries George F. L. Charle

Sat 5/23

5:50 pm-3:29 pm

2 stops21h 39m

$926

Washington, D.C.Castries

IAD - SLU

IADSLU

Washington, D.C. Dulles Intl

Wed 6/24

9:55 am-7:00 pm

2 stops33h 05m

Castries George F. L. Charle

Sun 6/28

6:00 pm-8:24 pm

2 stops26h 24m

$953

Flights are sorted by cheapest round-trip flights 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 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

6h 56m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Saint Lucia takes 6h 56m
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.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Saint Lucia

  • 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
7.1
11,544 reviews
Search American Airlines flights
DeltaPriceFrom $452Free CancellationRating
7.9
8,368 reviews
Search Delta flights

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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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1 adult
Fri 5/1
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