$164+ Cheap flights from Dulles Intl (IAD) to Saint Lucia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Saint Lucia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dulles Intl to Saint Lucia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to Saint LuciaExplore the most affordable flight options available from Dulles Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Dulles Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Orbitz deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:55 am -
1 stop29h 45m
Fri 10/304:40 pm -
2 stops27h 43m
Deal found 10/16![Air Canada logo]()
$412
This Justfly.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:37 pm -
2 stops22h 03m
Sun 12/65:35 pm -
2 stops23h 18m
Deal found 10/16![Air Canada logo]()
$456
This Justfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 am -
2 stops53h 45m
Sun 11/15:35 pm -
2 stops27h 48m
Deal found 10/19![Air Canada logo]()
$463
This Trip.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:55 am -
1 stop29h 45m
Mon 11/165:35 pm -
1 stop27h 35m
Deal found 10/19![Air Canada logo]()
$475
This Air Canada deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm -
1 stop17h 30m
Fri 11/65:35 pm -
1 stop23h 10m
Deal found 10/17![Air Canada logo]()
$476
This Air Canada deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:55 am -
1 stop29h 45m
Mon 11/235:35 pm -
1 stop27h 35m
Deal found 10/19![Air Canada logo]()
$481
Best flights from Dulles Intl to Saint LuciaDiscover carefully curated flight deals from Dulles Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Dulles Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Flysmarter deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
1 stop7h 04m
Fri 11/135:35 pm -
1 stop23h 10m
Deal found 10/19![Multiple Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:50 pm -
1 stop18h 15m
Tue 1/194:25 pm -
1 stop18h 36m
Deal found 10/16![Delta logo]()
$699
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/207:50 pm -
1 stop18h 15m
Wed 1/274:25 pm -
1 stop18h 36m
Deal found 10/14![Delta logo]()
$709
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:00 am -
1 stop7h 05m
Wed 1/274:25 pm -
1 stop8h 55m
Deal found 10/15![Delta logo]()
$709
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/37:50 pm -
1 stop18h 15m
Sun 2/74:25 pm -
1 stop18h 36m
Deal found 10/17![Delta logo]()
$714
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:00 am -
1 stop7h 05m
Mon 1/254:25 pm -
1 stop18h 36m
Deal found 10/14![Delta logo]()
$719
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:00 am -
1 stop8h 05m
Wed 1/274:25 pm -
1 stop8h 55m
Deal found 10/14![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:00 am -
1 stop8h 05m
Fri 2/124:25 pm -
1 stop8h 55m
Deal found 10/17![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:00 am -
1 stop7h 05m
Sat 1/234:25 pm -
1 stop18h 36m
Deal found 10/14![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:00 am -
1 stop8h 05m
Thu 1/284:25 pm -
1 stop18h 36m
Deal found 10/14![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/227:00 am -
1 stop7h 05m
Mon 1/254:25 pm -
1 stop18h 36m
Deal found 10/15![Delta logo]()
$729
Last-minute flights from Dulles Intl to Saint LuciaDiscover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated October 19, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:55 am -
1 stop29h 45m
Fri 10/304:40 pm -
2 stops27h 43m
Deal found 10/16![Air Canada logo]()
$412
This Justfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 am -
2 stops53h 45m
Sun 11/15:35 pm -
2 stops27h 48m
Deal found 10/19![Air Canada logo]()
$463
This Air Canada deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm -
1 stop17h 30m
Fri 11/65:35 pm -
1 stop23h 10m
Deal found 10/17![Air Canada logo]()
$476
This Trip.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:55 am -
1 stop29h 45m
Mon 11/165:35 pm -
1 stop27h 35m
Deal found 10/19![Air Canada logo]()
$475
This Air Canada deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:55 am -
1 stop29h 45m
Mon 11/235:35 pm -
1 stop27h 35m
Deal found 10/19![Air Canada logo]()
$481
This Justfly.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:37 pm -
2 stops22h 03m
Sun 12/65:35 pm -
2 stops23h 18m
Deal found 10/16![Air Canada logo]()
$456
One-way flights from Dulles Intl to Saint LuciaSearch for one-way flight options from Dulles Intl to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Dulles Intl to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Trip.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:55 am -
1 stop29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Air Canada logo]()
$164
This Travelocity deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:55 am -
1 stop29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Air Canada logo]()
$205
This Trip.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/64:30 pm -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Air Canada logo]()
$281
This Expedia deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/244:30 pm -
1 stop23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Air Canada logo]()
$291
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/257:00 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$314
This Gotogate deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:55 am -
2 stops53h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Air Canada logo]()
$327
Find flight deals from Dulles Intl to Saint Lucia
Keep the following information in mind while searching for Dulles Intl to Saint Lucia flight deals. Data was last updated October 19, 2026.
Round-trip from | $451 (Air Canada) |
|---|---|
One-way from | $164 (Trip.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 7,457,451 searches. Data last updated October 19, 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
Cheapest round-trip
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sat 10/24
9:45 am-3:40 pm
2 stops29h 55m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sat 3/6
9:55 am-4:45 pm
2 stops29h 50m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$293
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Mon 11/30
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
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
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
7:00 am-3:05 pm
1 stop7h 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
Sun 1/24
9:55 am-4:40 pm
2 stops29h 45m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$351
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sat 3/6
11:20 am-2:55 pm
1 stop26h 35m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$375
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sun 12/6
10:33 pm-2:55 pm
3 stops39h 22m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$391
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Tue 11/10
7:00 am-3:04 pm
1 stop7h 04m
Castries Hewanorra
Fri 11/13
5:35 pm-3:45 pm
1 stop23h 10m
$678
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Wed 1/13
7:50 pm-3:05 pm
1 stop18h 15m
Castries Hewanorra
Tue 1/19
4:25 pm-10:01 am
1 stop18h 36m
$699
Showing 1-10 of 19 resultsSorted by cheapest first
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.
IAD-UVF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Saint Lucia
IAD-LC0
IAD-UVF
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
Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated October 19, 2026.
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.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Dulles Intl to Saint Lucia
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Complete your trip
Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dulles Intl to Saint Lucia by cabin class
Find flights from Dulles Intl to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dulles Intl and Saint Lucia flights
Browse other Dulles Intl and Saint Lucia flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Dulles Intl to Saint Lucia
Discover the top 2 airlines that operate flights from Dulles Intl to Saint Lucia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$751 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$452 | Average$906 | FlexibilityNo cancel fee | On-timeN/A |