$259+ Cheap flights from Dulles Intl (IAD) to Saint Lucia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Jul 15 — Jul 221
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 June 15, 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 June 15, 2026.
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Mon 8/244:20 pm
IAD
- UVF
1 stop22h 00m
Air Canada
Fri 8/283:15 pm
UVF
- IAD
1 stop24h 09m
Air Canada
Deal found 6/11![Air Canada logo]()
$587
This Air Canada deal was found by Cheapflights users on 6/12. 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 11/14:30 pm
IAD
- UVF
1 stop22h 55m
Air Canada
Fri 11/65:25 pm
UVF
- IAD
1 stop23h 25m
Air Canada
Deal found 6/12![Air Canada logo]()
$588
This Air Canada deal was found by Cheapflights users on 6/11. 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 8/263:45 pm
IAD
- UVF
2 stops46h 35m
Air Canada
Tue 9/13:15 pm
UVF
- IAD
1 stop24h 09m
Air Canada
Deal found 6/11![Air Canada logo]()
$600
This Travelocity deal was found by Cheapflights users on 6/11. 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 11/84:30 pm
IAD
- UVF
1 stop22h 55m
Air Canada
Fri 11/135:25 pm
UVF
- IAD
1 stop27h 45m
Air Canada
Deal found 6/11![Air Canada logo]()
$614
This Air Canada deal was found by Cheapflights users on 6/12. 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 7/233:45 pm
IAD
- UVF
2 stops22h 25m
Air Canada
Tue 7/283:05 pm
UVF
- IAD
1 stop24h 19m
Air Canada
Deal found 6/12![Air Canada logo]()
$617
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Fri 9/119:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Wed 9/1612:35 pm
SLU
- IAD
2 stops26h 50m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$880
This Expedia deal was found by Cheapflights users on 6/15. 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.
Fri 8/284:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Wed 9/212:35 pm
SLU
- IAD
2 stops26h 49m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$932
This Travelocity deal was found by Cheapflights users on 6/13. 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 7/59:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Wed 7/812:35 pm
SLU
- IAD
2 stops25h 46m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$962
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Sun 8/164:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Sun 8/2312:35 pm
SLU
- IAD
2 stops31h 49m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,142
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Sat 7/183:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,161
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Sun 8/163:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,164
This Orbitz deal was found by Cheapflights users on 6/11. 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.
Sun 6/2810:14 pm
IAD
- SLU
2 stops20h 46m
Multiple Airlines
Sun 7/53:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,178
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 June 15, 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 June 15, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 8/256:00 am
IAD
- UVF
1 stop8h 14m
Delta
Tue 9/13:34 pm
UVF
- IAD
1 stop9h 00m
Delta
Deal found 6/10![Delta logo]()
$648
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:25 pm
IAD
- UVF
1 stop17h 00m
American Airlines
Tue 11/34:50 pm
UVF
- IAD
2 stops21h 22m
American Airlines
Deal found 6/15![American Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:15 am
IAD
- UVF
1 stop7h 16m
United Airlines
Sat 9/52:35 pm
UVF
- IAD
1 stop16h 44m
United Airlines
Deal found 6/13![United Airlines logo]()
$698
This Travelocity deal was found by Cheapflights users on 6/13. 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 7/59:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Wed 7/812:35 pm
SLU
- IAD
2 stops25h 46m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$962
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 8/266:00 am
IAD
- UVF
1 stop8h 14m
Delta
Tue 9/13:34 pm
UVF
- IAD
1 stop9h 00m
Delta
Deal found 6/15![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 6/12. 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 12/77:00 am
IAD
- UVF
1 stop7h 10m
Delta
Thu 12/104:25 pm
UVF
- IAD
1 stop8h 55m
Delta
Deal found 6/12![Delta logo]()
$676
This Delta deal was found by Cheapflights users on 6/12. 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 12/67:50 pm
IAD
- UVF
1 stop18h 20m
Delta
Tue 12/84:25 pm
UVF
- IAD
1 stop8h 55m
Delta
Deal found 6/12![Delta logo]()
$781
This Delta deal was found by Cheapflights users on 6/11. 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 8/96:00 am
IAD
- UVF
1 stop8h 14m
Delta
Wed 8/123:34 pm
UVF
- IAD
1 stop9h 00m
Delta
Deal found 6/11![Delta logo]()
$786
This Delta deal was found by Cheapflights users on 6/10. 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 7/316:00 am
IAD
- UVF
1 stop8h 12m
Delta
Tue 8/43:34 pm
UVF
- IAD
1 stop17h 46m
Delta
Deal found 6/10![Delta logo]()
$821
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Mon 9/74:20 pm
IAD
- SLU
2 stops15h 50m
Multiple Airlines
Fri 9/116:00 pm
SLU
- IAD
3 stops21h 00m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,228
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Sat 7/114:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Sat 7/183:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,232
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 7/46:00 am
IAD
- UVF
1 stop8h 13m
Delta
Wed 7/83:33 pm
UVF
- IAD
1 stop9h 08m
Delta
Deal found 6/12![Delta logo]()
$842
This Delta deal was found by Cheapflights users on 6/14. 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 7/296:00 am
IAD
- UVF
1 stop8h 12m
Delta
Wed 8/53:34 pm
UVF
- IAD
1 stop9h 00m
Delta
Deal found 6/14![Delta logo]()
$843
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/214:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Fri 7/2412:35 pm
SLU
- IAD
3 stops28h 03m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,250
This Delta deal was found by Cheapflights users on 6/11. 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 7/206:00 am
IAD
- UVF
1 stop8h 12m
Delta
Sun 7/263:33 pm
UVF
- IAD
1 stop9h 08m
Delta
Deal found 6/11![Delta logo]()
$858
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:15 pm
IAD
- SLU
2 stops25h 45m
Multiple Airlines
Fri 6/263:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,328
This Mytrip deal was found by Cheapflights users on 6/12. 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 7/228:18 am
IAD
- SLU
3 stops28h 52m
Multiple Airlines
Tue 7/283:45 pm
SLU
- IAD
3 stops22h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,446
Last-minute flights from Dulles Intl to Saint LuciaDiscover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated June 15, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Fri 6/195:15 pm
IAD
- SLU
2 stops25h 45m
Multiple Airlines
Fri 6/2612:35 pm
SLU
- IAD
2 stops28h 03m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,189
This Orbitz deal was found by Cheapflights users on 6/11. 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.
Sun 6/2810:14 pm
IAD
- SLU
2 stops20h 46m
Multiple Airlines
Sun 7/53:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,178
This Travelocity deal was found by Cheapflights users on 6/13. 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 7/59:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Wed 7/812:35 pm
SLU
- IAD
2 stops25h 46m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$962
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:20 pm
IAD
- SLU
3 stops22h 55m
Multiple Airlines
Sun 7/125:00 am
SLU
- IAD
3 stops34h 24m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,296
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/106:33 am
IAD
- UVF
1 stop7h 47m
American Airlines
Fri 7/173:20 pm
UVF
- IAD
1 stop8h 50m
American Airlines
Deal found 6/11![American Airlines logo]()
$662
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Sat 7/183:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,161
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Mon 7/204:20 pm
IAD
- UVF
1 stop21h 50m
Air Canada
Fri 7/243:05 pm
UVF
- IAD
1 stop24h 19m
Air Canada
Deal found 6/11![Air Canada logo]()
$614
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/214:20 pm
IAD
- SLU
2 stops26h 40m
Multiple Airlines
Fri 7/2412:35 pm
SLU
- IAD
3 stops28h 03m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,250
This Air Canada deal was found by Cheapflights users on 6/12. 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 7/233:45 pm
IAD
- UVF
2 stops22h 25m
Air Canada
Tue 7/283:05 pm
UVF
- IAD
1 stop24h 19m
Air Canada
Deal found 6/12![Air Canada logo]()
$617
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Mon 7/279:55 am
IAD
- UVF
1 stop28h 15m
Air Canada
Fri 8/73:05 pm
UVF
- IAD
1 stop25h 33m
Air Canada
Deal found 6/10![Air Canada logo]()
$639
This Air Canada deal was found by Cheapflights users on 6/10. 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 7/305:15 pm
IAD
- UVF
1 stop20h 55m
Air Canada
Tue 8/43:05 pm
UVF
- IAD
1 stop24h 19m
Air Canada
Deal found 6/10![Air Canada logo]()
$648
This Air Canada deal was found by Cheapflights users on 6/10. 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 7/305:15 pm
IAD
- UVF
1 stop20h 55m
Air Canada
Fri 8/73:05 pm
UVF
- IAD
1 stop25h 33m
Air Canada
Deal found 6/10![Air Canada logo]()
$664
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 June 15, 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 June 15, 2026.
This Orbitz deal was found by Cheapflights users on 6/11. 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.
Mon 7/134:20 pm
IAD
- UVF
1 stop21h 50m
Air Canada
Deal found 6/11![Air Canada logo]()
$259
This Expedia deal was found by Cheapflights users on 6/12. 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.
Mon 7/63:45 pm
IAD
- UVF
2 stops22h 25m
Air Canada
Deal found 6/12![Air Canada logo]()
$263
This Justfly.com deal was found by Cheapflights users on 6/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:35 pm
IAD
- UVF
2 stops26h 50m
Air Canada
Deal found 6/14![Air Canada logo]()
$264
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/18:21 pm
IAD
- UVF
1 stop17h 59m
American Airlines
Deal found 6/12![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/216:33 am
IAD
- UVF
1 stop7h 47m
American Airlines
Deal found 6/12![American Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:10 am
IAD
- UVF
1 stop9h 21m
United Airlines
Deal found 6/12![United Airlines logo]()
$429
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Mon 7/1312:46 pm
IAD
- UVF
3 stops25h 24m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:40 pm
IAD
- SLU
2 stops38h 30m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 6/12. 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 6/278:22 pm
IAD
- UVF
2 stops17h 24m
American Airlines
Deal found 6/12![American Airlines logo]()
$537
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Sat 8/15:06 pm
IAD
- UVF
2 stops20h 34m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$576
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Sat 6/278:18 am
IAD
- UVF
3 stops29h 22m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$914
This Expedia deal was found by Cheapflights users on 6/15. 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.
Sat 6/205:15 pm
IAD
- SLU
2 stops21h 15m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,357
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 June 15, 2026.
Round-trip from | $587 (Air Canada) |
|---|---|
One-way from | $259 (Orbitz) |
Popular in | November |
Cheapest in | December |
Average price | $565 |
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 2,558,603 searches. Data last updated June 15, 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 - UVF
IADUVF
Washington, D.C. Dulles Intl
Tue 8/25
6:00 am-2:14 pm
1 stop8h 14m
Castries Hewanorra
Tue 9/1
3:34 pm-12:34 am
1 stop9h 00m
$648
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Wed 8/26
6:00 am-2:14 pm
1 stop8h 14m
Castries Hewanorra
Tue 9/1
3:34 pm-12:34 am
1 stop9h 00m
$648
Quickest round-trip
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Mon 12/7
7:00 am-3:10 pm
1 stop7h 10m
Castries Hewanorra
Thu 12/10
4:25 pm-12:20 am
1 stop8h 55m
$676
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Thu 10/29
8:25 pm-1:25 pm
1 stop17h 00m
Castries Hewanorra
Tue 11/3
4:50 pm-1:12 pm
2 stops21h 22m
$678
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Sat 8/29
6:15 am-1:31 pm
1 stop7h 16m
Castries Hewanorra
Sat 9/5
2:35 pm-7:19 am
1 stop16h 44m
$698
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Sun 12/6
7:50 pm-3:10 pm
1 stop18h 20m
Castries Hewanorra
Tue 12/8
4:25 pm-12:20 am
1 stop8h 55m
$781
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Sun 8/9
6:00 am-2:14 pm
1 stop8h 14m
Castries Hewanorra
Wed 8/12
3:34 pm-12:34 am
1 stop9h 00m
$786
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Fri 7/31
6:00 am-2:12 pm
1 stop8h 12m
Castries Hewanorra
Tue 8/4
3:34 pm-9:20 am
1 stop17h 46m
$821
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Sat 7/4
6:00 am-2:13 pm
1 stop8h 13m
Castries Hewanorra
Wed 7/8
3:33 pm-12:41 am
1 stop9h 08m
$842
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Wed 7/29
6:00 am-2:12 pm
1 stop8h 12m
Castries Hewanorra
Wed 8/5
3:34 pm-12:34 am
1 stop9h 00m
$843
Showing 1-10 of 28 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia (average of $342). Flying from Washington, D.C. Dulles Intl Airport to Saint Lucia in November is currently the most expensive (average of $832). 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 June 15, 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.
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
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Dulles Intl and Saint Lucia flights
Browse other Dulles Intl and Saint Lucia flight options. Last updated on June 15, 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$781 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$452 | Average$986 | FlexibilityNo cancel fee | On-timeN/A |