$181+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Saint Lucia with Cheapflights
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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 September 21, 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 September 21, 2026.
This Trip.com deal was found by Cheapflights users on 9/17. 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.
Sun 11/14:30 pm -
1 stop23h 10m
Sun 11/85:35 pm -
1 stop23h 10m
Deal found 9/17![Air Canada logo]()
$433
This Air Canada deal was found by Cheapflights users on 9/17. 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.
Tue 12/84:30 pm -
1 stop23h 10m
Mon 12/145:35 pm -
1 stop23h 10m
Deal found 9/17![Air Canada logo]()
$434
This CheapOair deal was found by Cheapflights users on 9/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:19 pm -
2 stops26h 21m
Sun 11/225:35 pm -
1 stop27h 35m
Deal found 9/18![Air Canada logo]()
$438
This Justfly.com deal was found by Cheapflights users on 9/18. 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
Fri 12/45:35 pm -
1 stop27h 35m
Deal found 9/18![Air Canada logo]()
$444
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:55 am -
2 stops29h 45m
Thu 12/105:35 pm -
2 stops19h 13m
Deal found 9/17![Air Canada logo]()
$447
This Air Canada deal was found by Cheapflights users on 9/19. 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.
Wed 11/184:30 pm -
1 stop23h 10m
Mon 11/235:35 pm -
1 stop27h 35m
Deal found 9/19![Air Canada logo]()
$450
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:30 pm -
1 stop23h 10m
Sun 11/155:35 pm -
1 stop27h 35m
Deal found 9/16![Air Canada logo]()
$453
This Justfly.com deal was found by Cheapflights users on 9/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:30 pm -
1 stop23h 10m
Fri 11/65:35 pm -
1 stop27h 35m
Deal found 9/17![Air Canada logo]()
$458
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:30 pm -
2 stops26h 30m
Sat 10/313:45 pm -
2 stops49h 00m
Deal found 9/17![Multiple Airlines logo]()
$759
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
2 stops27h 00m
Wed 10/2112:35 pm -
2 stops25h 47m
Deal found 9/16![Multiple Airlines logo]()
$834
This Travelocity deal was found by Cheapflights users on 9/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:55 am -
2 stops50h 10m
Sat 10/243:45 pm -
2 stops48h 00m
Deal found 9/17![Multiple Airlines logo]()
$903
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:30 pm -
3 stops26h 30m
Fri 10/309:10 am -
2 stops30h 35m
Deal found 9/17![Multiple Airlines logo]()
$906
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 September 21, 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 September 21, 2026.
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/135:20 pm -
1 stop22h 20m
Thu 12/175:35 pm -
1 stop27h 35m
Deal found 9/16![Air Canada logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:33 am -
1 stop7h 51m
Mon 3/84:18 pm -
1 stop17h 30m
Deal found 9/16![American Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 9/16. 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 10/146:00 am -
1 stop8h 12m
Wed 10/213:32 pm -
1 stop9h 10m
Deal found 9/16![Delta logo]()
$688
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
2 stops27h 00m
Wed 10/2112:35 pm -
2 stops25h 47m
Deal found 9/16![Multiple Airlines logo]()
$834
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:55 am -
2 stops29h 45m
Wed 1/135:35 pm -
2 stops23h 26m
Deal found 9/16![Air Canada logo]()
$608
This American Airlines deal was found by Cheapflights users on 9/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:01 am -
1 stop9h 19m
Thu 10/153:20 pm -
1 stop17h 24m
Deal found 9/19![American Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 9/20. 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 2/187:00 am -
1 stop7h 05m
Wed 2/244:25 pm -
1 stop8h 55m
Deal found 9/20![Delta logo]()
$688
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/184:41 pm -
2 stops22h 21m
Wed 2/245:02 pm -
2 stops21h 32m
Deal found 9/20![American Airlines logo]()
$646
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/186:00 am -
1 stop8h 05m
Thu 2/254:25 pm -
1 stop8h 55m
Deal found 9/19![Delta logo]()
$688
This Travelocity deal was found by Cheapflights users on 9/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:55 am -
2 stops50h 10m
Sat 10/243:45 pm -
2 stops48h 00m
Deal found 9/17![Multiple Airlines logo]()
$903
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
1 stop7h 47m
Mon 12/214:11 pm -
1 stop17h 30m
Deal found 9/21![American Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 9/20. 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 10/196:00 am -
1 stop8h 12m
Mon 10/263:32 pm -
1 stop9h 10m
Deal found 9/20![Delta logo]()
$807
This Travelocity deal was found by Cheapflights users on 9/18. 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 10/48:28 am -
2 stops34h 32m
Sat 10/1012:35 pm -
2 stops26h 50m
Deal found 9/18![Multiple Airlines logo]()
$918
This Booking.com deal was found by Cheapflights users on 9/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:30 pm -
2 stops25h 30m
Tue 11/1011:45 am -
3 stops36h 58m
Deal found 9/19![Multiple Airlines logo]()
$1,099
This Air Canada deal was found by Cheapflights users on 9/20. 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.
Fri 10/94:00 pm -
2 stops27h 00m
Tue 10/1312:35 pm -
2 stops25h 47m
Deal found 9/20![Multiple Airlines logo]()
$1,118
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:30 pm -
2 stops26h 30m
Fri 10/306:00 pm -
2 stops26h 10m
Deal found 9/17![Multiple Airlines logo]()
$1,244
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:10 pm -
2 stops19h 50m
Sun 11/1512:35 pm -
3 stops30h 08m
Deal found 9/16![Multiple Airlines logo]()
$1,251
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:19 pm -
2 stops20h 41m
Tue 10/2012:35 pm -
3 stops26h 22m
Deal found 9/16![Multiple Airlines logo]()
$1,279
This Air Canada deal was found by Cheapflights users on 9/18. 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.
Thu 10/294:30 pm -
2 stops26h 30m
Tue 11/312:35 pm -
2 stops24h 10m
Deal found 9/18![Multiple Airlines logo]()
$1,295
Last-minute flights from Dulles Intl to Saint LuciaDiscover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated September 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:25 am -
1 stop26h 15m
Sun 10/112:30 pm -
2 stops43h 47m
Deal found 9/19![Multiple Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:01 am -
2 stops10h 03m
Tue 10/132:42 pm -
2 stops22h 09m
Deal found 9/17![American Airlines logo]()
$646
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:23 pm -
1 stop24h 57m
Wed 10/144:04 pm -
2 stops20h 47m
Deal found 9/18![American Airlines logo]()
$606
This American Airlines deal was found by Cheapflights users on 9/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:01 am -
1 stop9h 19m
Thu 10/153:20 pm -
1 stop17h 24m
Deal found 9/19![American Airlines logo]()
$641
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:01 am -
2 stops8h 41m
Wed 10/212:42 pm -
2 stops22h 09m
Deal found 9/16![American Airlines logo]()
$604
This Delta deal was found by Cheapflights users on 9/16. 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 10/146:00 am -
1 stop8h 12m
Wed 10/213:32 pm -
1 stop9h 10m
Deal found 9/16![Delta logo]()
$688
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:01 am -
2 stops10h 03m
Mon 11/94:07 pm -
1 stop7h 52m
Deal found 9/18![American Airlines logo]()
$703
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:30 pm -
2 stops26h 30m
Sat 10/313:45 pm -
2 stops49h 00m
Deal found 9/17![Multiple Airlines logo]()
$759
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:19 pm -
2 stops26h 21m
Sun 11/15:35 pm -
2 stops23h 18m
Deal found 9/16![Air Canada logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:01 am -
1 stop9h 19m
Tue 11/34:07 pm -
1 stop7h 52m
Deal found 9/18![American Airlines logo]()
$594
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:15 am -
1 stop8h 05m
Sun 11/14:07 pm -
1 stop8h 47m
Deal found 9/16![American Airlines logo]()
$599
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:40 am -
3 stops32h 00m
Sun 11/15:35 pm -
3 stops31h 08m
Deal found 9/16![Multiple Airlines logo]()
$680
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 September 21, 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 September 21, 2026.
This Air Canada deal was found by Cheapflights users on 9/18. 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.
Wed 12/94:30 pm -
1 stop23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Air Canada logo]()
$181
This Orbitz deal was found by Cheapflights users on 9/18. 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.
Wed 10/710:10 pm -
2 stops40h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Air Canada logo]()
$195
This Air Canada deal was found by Cheapflights users on 9/18. 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.
Thu 10/89:55 am -
1 stop28h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Air Canada logo]()
$277
This Delta deal was found by Cheapflights users on 9/20. 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 2/256:00 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$294
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:15 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:23 pm -
1 stop24h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$321
This Justfly.com deal was found by Cheapflights users on 9/18. 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.
Tue 12/159:55 am -
1 stop29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Air Canada logo]()
$322
This Air Canada deal was found by Cheapflights users on 9/18. 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.
Wed 12/94:30 pm -
2 stops25h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$325
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:55 am -
2 stops32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:12 am -
2 stops20h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 9/18. 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 10/56:00 am -
1 stop8h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$409
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:01 am -
2 stops10h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$414
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 September 21, 2026.
Round-trip from | $432 (Orbitz) |
|---|---|
One-way from | $181 (Air Canada) |
Popular in | November |
Cheapest in | December |
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 September 21, 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
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
$294
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle
IADSLU
Washington, D.C. Dulles Intl
Sun 11/22
9:55 am-7:00 pm
2 stops32h 05m
Castries George F. L. Charle
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$367
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Tue 10/6
6:00 am-2:12 pm
1 stop8h 12m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$409
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Wed 10/7
6:00 am-2:12 pm
1 stop8h 12m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$409
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle
IADSLU
Washington, D.C. Dulles Intl
Mon 10/5
9:04 pm-4:05 pm
3 stops43h 01m
Castries George F. L. Charle
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$427
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle
IADSLU
Washington, D.C. Dulles Intl
Sun 10/4
6:13 pm-8:10 am
2 stops37h 57m
Castries George F. L. Charle
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$456
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sun 12/13
5:20 pm-4:40 pm
1 stop22h 20m
Castries Hewanorra
Thu 12/17
5:35 pm-8:10 pm
1 stop27h 35m
$458
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sun 10/4
6:00 am-2:12 pm
1 stop8h 12m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$504
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
$512
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Fri 10/9
5:01 am-3:04 pm
2 stops10h 03m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$532
Showing 1-10 of 32 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
IAD-SLU
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
IAD-SLU
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 September 21, 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
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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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Dulles Intl and Saint Lucia flights
Browse other Dulles Intl and Saint Lucia flight options. Last updated on September 21, 2026.
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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 September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$751 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$452 | Average$920 | FlexibilityNo cancel fee | On-timeN/A |