$132+ Cheap flights from Washington, D.C. (WAS) 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — UVF
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. 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 Washington, D.C. to Saint Lucia
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Cheapest flights from Washington, D.C. to Saint LuciaExplore the most affordable flight options available from Washington, D.C. to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Washington, D.C. to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Expedia deal was found by Cheapflights users on 9/9. 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 10/256:59 am -
1 stop8h 41m
Fri 10/304:40 pm -
1 stop16h 18m
Deal found 9/9![Air Canada logo]()
$397
This Air Canada deal was found by Cheapflights users on 9/5. 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.
Sat 12/512:55 pm -
2 stops26h 45m
Thu 12/105:40 pm -
2 stops19h 39m
Deal found 9/5![Air Canada logo]()
$412
This Air Canada deal was found by Cheapflights users on 9/5. 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.
Sat 12/54:30 pm -
1 stop23h 10m
Thu 12/105:40 pm -
1 stop23h 05m
Deal found 9/5![Air Canada logo]()
$412
This Justfly.com deal was found by Cheapflights users on 9/9. 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 10/256:59 am -
1 stop8h 41m
Sun 11/15:40 pm -
1 stop29h 58m
Deal found 9/9![Air Canada logo]()
$413
This Travelocity deal was found by Cheapflights users on 9/6. 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.
Wed 12/99:55 am -
2 stops29h 45m
Sun 12/135:40 pm -
1 stop27h 30m
Deal found 9/6![Air Canada logo]()
$416
This Air Canada deal was found by Cheapflights users on 9/6. 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 12/94:00 pm -
2 stops23h 40m
Sun 12/135:40 pm -
2 stops22h 44m
Deal found 9/6![Air Canada logo]()
$419
This Justfly.com deal was found by Cheapflights users on 9/7. 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 11/229:40 am -
1 stop30h 00m
Thu 11/265:40 pm -
2 stops19h 39m
Deal found 9/7![Air Canada logo]()
$420
This Justfly.com deal was found by Cheapflights users on 9/7. 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 11/224:30 pm -
1 stop23h 10m
Thu 11/265:40 pm -
1 stop27h 30m
Deal found 9/7![Air Canada logo]()
$420
This Justfly.com deal was found by Cheapflights users on 9/7. 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 11/241:19 pm -
2 stops50h 21m
Wed 12/25:40 pm -
1 stop23h 05m
Deal found 9/7![Air Canada logo]()
$422
This Mytrip deal was found by Cheapflights users on 9/9. 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 11/18:45 pm -
1 stop18h 55m
Sun 11/85:40 pm -
2 stops19h 39m
Deal found 9/9![Air Canada logo]()
$423
This Air Canada deal was found by Cheapflights users on 9/5. 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 11/1512:55 pm -
2 stops26h 45m
Mon 11/235:40 pm -
1 stop29h 58m
Deal found 9/5![Air Canada logo]()
$431
This Justfly.com deal was found by Cheapflights users on 9/5. 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 11/84:30 pm -
1 stop23h 10m
Fri 11/135:40 pm -
1 stop23h 05m
Deal found 9/5![Air Canada logo]()
$431
Best flights from Washington, D.C. to Saint LuciaDiscover carefully curated flight deals from Washington, D.C. to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Washington, D.C. to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 10/206:00 am -
1 stop8h 12m
Wed 10/283:32 pm -
1 stop17h 44m
Deal found 9/9![Delta logo]()
$568
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/95:00 am -
1 stop9h 20m
Tue 10/134:04 pm -
2 stops15h 59m
Deal found 9/9![American Airlines logo]()
$599
This Gotogate deal was found by Cheapflights users on 9/5. 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.
Wed 10/288:45 pm -
2 stops22h 15m
Wed 11/412:35 pm -
2 stops21h 23m
Deal found 9/5![Multiple Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 9/5. 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 10/287:00 am -
1 stop7h 12m
Wed 11/44:32 pm -
1 stop8h 59m
Deal found 9/5![Delta logo]()
$568
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/108:51 pm -
1 stop18h 13m
Wed 10/144:04 pm -
2 stops15h 59m
Deal found 9/9![American Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 9/6. 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 11/126:00 am -
1 stop8h 05m
Tue 11/174:25 pm -
1 stop9h 33m
Deal found 9/6![Delta logo]()
$581
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/107:15 pm -
1 stop19h 05m
Wed 10/144:04 pm -
2 stops16h 40m
Deal found 9/9![American Airlines logo]()
$606
This Expedia deal was found by Cheapflights users on 9/6. 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 11/139:55 am -
2 stops32h 05m
Wed 11/1812:35 pm -
2 stops32h 35m
Deal found 9/6![Multiple Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 9/9. 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 1/226:00 am -
1 stop8h 05m
Thu 1/284:25 pm -
1 stop9h 01m
Deal found 9/9![Delta logo]()
$603
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/96:20 am -
1 stop8h 00m
Mon 10/122:42 pm -
1 stop8h 14m
Deal found 9/9![American Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 9/7. 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 11/246:00 am -
1 stop8h 05m
Thu 11/264:25 pm -
1 stop8h 31m
Deal found 9/7![Delta logo]()
$604
This Air Canada deal was found by Cheapflights users on 9/6. 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 3/56:59 am -
2 stops11h 01m
Tue 3/99:10 am -
2 stops24h 46m
Deal found 9/6![Multiple Airlines logo]()
$749
This American Airlines deal was found by Cheapflights users on 9/9. 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 3/45:00 am -
1 stop9h 18m
Mon 3/84:58 pm -
2 stops21h 34m
Deal found 9/9![American Airlines logo]()
$659
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/124:30 pm -
2 stops25h 30m
Tue 1/1912:35 pm -
2 stops28h 10m
Deal found 9/5![Multiple Airlines logo]()
$766
This American Airlines deal was found by Cheapflights users on 9/9. 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 1/168:51 pm -
1 stop16h 51m
Sat 1/234:34 pm -
1 stop17h 56m
Deal found 9/9![American Airlines logo]()
$674
This Delta deal was found by Cheapflights users on 9/8. 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 11/96:00 am -
1 stop8h 05m
Tue 11/174:25 pm -
1 stop9h 33m
Deal found 9/8![Delta logo]()
$688
This Air Canada deal was found by Cheapflights users on 9/9. 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 10/216:59 am -
2 stops12h 01m
Tue 10/2712:35 pm -
2 stops20h 23m
Deal found 9/9![Multiple Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 9/9. 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 10/206:00 am -
1 stop8h 12m
Tue 10/273:32 pm -
1 stop17h 44m
Deal found 9/9![Delta logo]()
$688
This Justfly.com deal was found by Cheapflights users on 9/5. 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 10/144:00 pm -
2 stops27h 00m
Mon 10/193:45 pm -
2 stops46h 37m
Deal found 9/5![Multiple Airlines logo]()
$798
This Delta deal was found by Cheapflights users on 9/7. 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 11/128:40 pm -
1 stop17h 25m
Tue 11/174:25 pm -
1 stop8h 21m
Deal found 9/7![Delta logo]()
$688
This Delta deal was found by Cheapflights users on 9/8. 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 10/228:50 pm -
1 stop17h 22m
Thu 10/293:32 pm -
1 stop8h 15m
Deal found 9/8![Delta logo]()
$688
This Mytrip deal was found by Cheapflights users on 9/9. 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 12/66:55 pm -
2 stops23h 05m
Fri 12/1112:35 pm -
3 stops24h 44m
Deal found 9/9![Multiple Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 9/7. 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 11/117:40 pm -
1 stop18h 25m
Tue 11/174:25 pm -
1 stop8h 21m
Deal found 9/7![Delta logo]()
$688
This Air Canada deal was found by Cheapflights users on 9/9. 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 10/96:55 pm -
2 stops24h 05m
Tue 10/1312:35 pm -
2 stops20h 20m
Deal found 9/9![Multiple Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 9/8. 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 10/246:00 am -
1 stop8h 12m
Wed 10/283:32 pm -
1 stop8h 15m
Deal found 9/8![Delta logo]()
$688
This Delta deal was found by Cheapflights users on 9/9. 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 10/228:50 pm -
1 stop17h 22m
Wed 10/283:32 pm -
1 stop17h 38m
Deal found 9/9![Delta logo]()
$688
This Air Canada deal was found by Cheapflights users on 9/9. 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 11/238:45 pm -
2 stops21h 15m
Sat 11/2812:35 pm -
2 stops22h 54m
Deal found 9/9![Multiple Airlines logo]()
$976
This Delta deal was found by Cheapflights users on 9/9. 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 10/206:00 am -
1 stop8h 12m
Tue 10/273:32 pm -
1 stop17h 38m
Deal found 9/9![Delta logo]()
$688
This Delta deal was found by Cheapflights users on 9/5. 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 12/257:05 am -
1 stop7h 10m
Tue 12/294:40 pm -
1 stop17h 36m
Deal found 9/5![Delta logo]()
$688
This Air Canada deal was found by Cheapflights users on 9/8. 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 11/114:30 pm -
2 stops25h 30m
Tue 11/1712:35 pm -
2 stops24h 10m
Deal found 9/8![Multiple Airlines logo]()
$1,078
Last-minute flights from Washington, D.C. to Saint LuciaDiscover last-minute flight deals from Washington, D.C. to Saint Lucia. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Saint Lucia. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/116:00 am -
1 stop7h 51m
Wed 10/142:42 pm -
1 stop8h 14m
Deal found 9/9![American Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 9/7. 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 10/206:00 am -
1 stop8h 12m
Thu 10/293:32 pm -
1 stop9h 19m
Deal found 9/7![Delta logo]()
$568
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/208:16 pm -
2 stops17h 26m
Tue 10/272:42 pm -
1 stop8h 14m
Deal found 9/7![American Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/215:00 am -
2 stops10h 04m
Wed 10/282:42 pm -
1 stop8h 14m
Deal found 9/6![American Airlines logo]()
$578
This Air Canada deal was found by Cheapflights users on 9/8. 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 10/2212:50 pm -
2 stops25h 25m
Sun 10/254:40 pm -
2 stops19h 39m
Deal found 9/8![Air Canada logo]()
$528
This Justfly.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/225:20 pm -
1 stop20h 55m
Sun 10/254:40 pm -
1 stop27h 30m
Deal found 9/8![Air Canada logo]()
$553
This Delta deal was found by Cheapflights users on 9/7. 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 10/227:40 pm -
1 stop18h 32m
Fri 10/303:32 pm -
1 stop9h 19m
Deal found 9/7![Delta logo]()
$581
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/237:19 pm -
2 stops18h 51m
Fri 10/302:42 pm -
1 stop8h 14m
Deal found 9/8![American Airlines logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/2411:25 am -
1 stop26h 30m
Thu 10/292:55 pm -
1 stop19h 43m
Deal found 9/8![Multiple Airlines logo]()
$483
This Expedia deal was found by Cheapflights users on 9/9. 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 10/256:59 am -
1 stop8h 41m
Fri 10/304:40 pm -
1 stop16h 18m
Deal found 9/9![Air Canada logo]()
$397
This Justfly.com deal was found by Cheapflights users on 9/9. 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 10/256:59 am -
1 stop8h 41m
Sun 11/15:40 pm -
1 stop29h 58m
Deal found 9/9![Air Canada logo]()
$413
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/255:00 am -
1 stop9h 20m
Fri 10/303:20 pm -
1 stop17h 25m
Deal found 9/7![American Airlines logo]()
$576
One-way flights from Washington, D.C. to Saint LuciaSearch for one-way flight options from Washington, D.C. to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Washington, D.C. to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Trip.com deal was found by Cheapflights users on 9/5. 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.
Wed 12/24:30 pm -
1 stop23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Air Canada logo]()
$132
This Justfly.com deal was found by Cheapflights users on 9/9. 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 11/19:40 am -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$174
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:00 am -
1 stop8h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$243
This Delta deal was found by Cheapflights users on 9/8. 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 11/57:00 am -
1 stop7h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$247
This Air Canada deal was found by Cheapflights users on 9/8. 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 2/256:59 am -
1 stop8h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$247
This American Airlines deal was found by Cheapflights users on 9/8. 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 11/55:44 pm -
2 stops18h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$247
This Air Canada deal was found by Cheapflights users on 9/8. 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 2/44:00 pm -
2 stops23h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$250
This Delta deal was found by Cheapflights users on 9/6. 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 2/166:00 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/5. 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 1/286:08 am -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$265
This Expedia deal was found by Cheapflights users on 9/6. 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.
Thu 2/49:55 am -
1 stop29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Canada logo]()
$265
This American Airlines deal was found by Cheapflights users on 9/8. 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 2/256:00 am -
1 stop9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$269
This Air Canada deal was found by Cheapflights users on 9/5. 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 1/284:00 pm -
2 stops23h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Air Canada logo]()
$269
Find flight deals from Washington, D.C. to Saint Lucia
Keep the following information in mind while searching for Washington, D.C. to Saint Lucia flight deals. Data was last updated September 10, 2026.
Round-trip from | $397 (Expedia) |
|---|---|
One-way from | $132 (Trip.com) |
Popular in | November |
Cheapest in | December |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Castries
DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra
DCAUVF
Washington, D.C. Reagan-National
Sun 11/1
12:55 pm-4:40 pm
2 stops26h 45m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
Washington, D.C.Castries
DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra
DCAUVF
Washington, D.C. Reagan-National
Wed 1/27
6:00 am-3:41 pm
1 stop8h 41m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$243
Quickest round-trip
BaltimoreCastries
BWI Baltimore/Washington - UVF Castries Hewanorra
BWIUVF
Baltimore/Washington
Thu 11/5
7:00 am-3:12 pm
1 stop7h 12m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
BaltimoreCastries
BWI Baltimore/Washington - UVF Castries Hewanorra
BWIUVF
Baltimore/Washington
Thu 11/5
8:07 pm-1:30 pm
2 stops16h 23m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
Washington, D.C.Castries
DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra
DCAUVF
Washington, D.C. Reagan-National
Thu 2/25
6:59 am-4:40 pm
1 stop8h 41m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Thu 11/5
5:44 pm-1:30 pm
2 stops18h 46m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
Washington, D.C.Castries
DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra
DCAUVF
Washington, D.C. Reagan-National
Thu 2/4
4:00 pm-4:40 pm
2 stops23h 40m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$250
BaltimoreCastries
BWI Baltimore/Washington - UVF Castries Hewanorra
BWIUVF
Baltimore/Washington
Tue 2/16
6:00 am-3:05 pm
1 stop8h 05m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$257
Washington, D.C.Castries
DCA Washington, D.C. Reagan-National - UVF Castries Hewanorra
DCAUVF
Washington, D.C. Reagan-National
Tue 2/16
9:40 am-4:40 pm
1 stop30h 00m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$265
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Tue 2/16
4:30 pm-4:40 pm
1 stop23h 10m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$265
Showing 1-10 of 56 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Washington, D.C. with our price prediction graph.
BWI-UVF
DCA-UVF
DCA-SLU
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. to Saint Lucia
WAS-LC0
BWI-UVF
DCA-UVF
DCA-SLU
IAD-UVF
What is the cheapest month to book a flight from Washington, D.C. to Saint Lucia?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Saint Lucia (average of $570). Flying from Washington, D.C. to Saint Lucia in May is currently the most expensive (average of $886). 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.
How far ahead should I book a flight from Washington, D.C. to Saint Lucia?
Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Saint Lucia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 10, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Saint Lucia, such as Delta,American Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. 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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Complete your trip
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Search flights from Washington, D.C. to Saint Lucia by cabin class
Find flights from Washington, D.C. to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Saint Lucia flights
Browse other Washington, D.C. and Saint Lucia flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Washington, D.C. to Saint Lucia
Discover the top 3 airlines that operate flights from Washington, D.C. 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$241 | Average$601 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$351 | Average$769 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$452 | Average$863 | FlexibilityNo cancel fee | On-timeN/A |