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Saint Lucia

$212+ Cheap flights from Dulles Intl (IAD) to Saint Lucia

IAD — UVF
Dec 5 — Dec 121
Sat 12/5
Sat 12/12
1 adult, Economy
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Cheap flight deals from Dulles Intl to Saint Lucia

Cheapest flights from Dulles Intl to Saint Lucia

Sun 12/69:55 am -
1 stop29h 45m
Thu 12/105:35 pm -
1 stop27h 35m
Deal found 11/3$518
Wed 12/94:30 pm -
1 stop23h 10m
Sun 12/135:35 pm -
1 stop27h 35m
Deal found 11/1$536
Wed 12/94:30 pm -
1 stop23h 10m
Mon 12/145:35 pm -
2 stops23h 18m
Deal found 11/2$541
Thu 12/35:37 pm -
2 stops22h 03m
Wed 12/95:35 pm -
1 stop23h 10m
Deal found 11/1$546
Sun 12/65:37 pm -
2 stops22h 03m
Wed 12/95:35 pm -
2 stops27h 48m
Deal found 11/1$550
Sun 11/159:55 am -
1 stop29h 45m
Thu 11/195:35 pm -
1 stop27h 35m
Deal found 11/4$561
Wed 12/210:10 pm -
1 stop17h 30m
Wed 12/95:35 pm -
1 stop23h 10m
Deal found 11/4$563
Sun 11/159:55 am -
1 stop29h 45m
Mon 11/235:35 pm -
2 stops19h 13m
Deal found 11/1$570

Find flight deals from Dulles Intl to Saint Lucia

Round-trip from

$518
(Trip.com)

One-way from

$212
(Trip.com)
From Washington, D.C. Dulles Intl to Saint Lucia
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One-way flight from Washington, D.C. Dulles Intl to Saint Lucia
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Cheapflights 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.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Wed 12/2

5:37 pm-4:40 pm

2 stops22h 03m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$225

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Thu 2/25

6:00 am-3:08 pm

1 stop8h 08m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$314
Quickest round-trip

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Thu 2/25

6:00 am-3:05 pm

1 stop8h 05m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$314

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Tue 12/29

9:05 am-4:40 pm

2 stops54h 35m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$381

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Sun 12/20

10:44 pm-2:15 pm

1 stop14h 31m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$449

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Tue 11/24

8:07 pm-1:29 pm

2 stops16h 22m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$489

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Thu 12/17

10:44 pm-2:15 pm

1 stop14h 31m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$497

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Tue 11/24

8:22 pm-4:40 pm

3 stops43h 18m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$538

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Wed 11/18

9:55 am-4:40 pm

2 stops53h 45m

Castries Hewanorra

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$556

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra

IADUVF

Washington, D.C. Dulles Intl

Tue 3/9

6:00 am-3:00 pm

1 stop8h 00m

Castries Hewanorra

Wed 3/17

3:20 pm-12:20 am

1 stop9h 00m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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

Best time to book a flight from Dulles Intl to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Saint Lucia

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia (average of $468). Flying from Washington, D.C. Dulles Intl Airport to Saint Lucia in June is currently the most expensive (average of $1,475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Saint Lucia

Read reviews from past customers who have flown Delta and American Airlines from Washington, D.C. Dulles Intl Airport to Saint Lucia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,698 reviews

Crew

8.5

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.
Delta
7.8
Good
8,698 reviews
Delta
7.8
Good
8,698 reviews

Crew

8.5

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.
American Airlines
7.0
Good
12,231 reviews
Delta
7.8
Good
8,698 reviews

Crew

8.5

Comfort

7.8

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Saint Lucia?

    Airlines like Delta fly from Washington, D.C. Dulles Intl Airport to Saint Lucia in about 8h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2011 mi.

  • Can I find deals for flights from Dulles Intl to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Saint Lucia.

  • Can I find deals for business class flights from Dulles Intl to Saint Lucia?

    Yes. Cheapflights offers flight deals from Dulles Intl to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia (average of $468). Flying from Washington, D.C. Dulles Intl Airport to Saint Lucia in June is currently the most expensive (average of $1,475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Dulles Intl to Saint Lucia

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$351Average$751FlexibilityNo cancel feeOn-time71%
DeltaCheapest$452Average$906FlexibilityNo cancel feeOn-timeN/A

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