$192+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Saint Lucia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 May 5, 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 May 5, 2026.
This Air Canada deal was found by Cheapflights users on 5/1. 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 6/14:05 pm
IAD
- UVF
1 stop22h 05m
Air Canada
Fri 6/53:05 pm
UVF
- IAD
1 stop24h 24m
Air Canada
Deal found 5/1![Air Canada logo]()
$422
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/188:18 am
IAD
- UVF
2 stops30h 02m
Air Canada
Tue 6/233:15 pm
UVF
- IAD
2 stops27h 46m
Air Canada
Deal found 4/30![Air Canada logo]()
$436
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 5/275:06 pm
IAD
- UVF
2 stops44h 59m
Air Canada
Tue 6/23:05 pm
UVF
- IAD
2 stops20h 38m
Air Canada
Deal found 4/30![Air Canada logo]()
$457
This Air Canada deal was found by Cheapflights users on 5/5. 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.
Mon 6/84:05 pm
IAD
- UVF
1 stop22h 05m
Air Canada
Fri 6/193:15 pm
UVF
- IAD
2 stops20h 28m
Air Canada
Deal found 5/5![Air Canada logo]()
$475
This Justfly.com deal was found by Cheapflights users on 5/3. 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 6/1010:10 pm
IAD
- UVF
2 stops40h 00m
Air Canada
Tue 6/163:05 pm
UVF
- IAD
2 stops25h 30m
Air Canada
Deal found 5/3![Air Canada logo]()
$478
This Mytrip deal was found by Cheapflights users on 5/1. 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 6/49:55 am
IAD
- UVF
1 stop28h 15m
Air Canada
Tue 6/93:05 pm
UVF
- IAD
1 stop23h 16m
Air Canada
Deal found 5/1![Air Canada logo]()
$482
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Thu 6/118:18 am
IAD
- UVF
2 stops29h 52m
Air Canada
Tue 6/163:05 pm
UVF
- IAD
2 stops20h 07m
Air Canada
Deal found 5/4![Air Canada logo]()
$484
This Gotogate deal was found by Cheapflights users on 4/30. 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 6/135:15 pm
IAD
- SLU
2 stops25h 45m
Multiple Airlines
Thu 6/183:45 pm
SLU
- IAD
2 stops48h 27m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$984
This Gotogate deal was found by Cheapflights users on 5/1. 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 10/34:00 pm
IAD
- SLU
2 stops27h 00m
Multiple Airlines
Mon 10/1212:35 pm
SLU
- IAD
2 stops26h 50m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,002
This Gotogate deal was found by Cheapflights users on 5/4. 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
Wed 6/2412:35 pm
SLU
- IAD
2 stops27h 37m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,006
This Gotogate deal was found by Cheapflights users on 5/1. 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 9/19:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Sun 9/612:35 pm
SLU
- IAD
2 stops26h 49m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,036
This Gotogate deal was found by Cheapflights users on 4/30. 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 5/244:05 pm
IAD
- SLU
2 stops47h 10m
Multiple Airlines
Thu 5/2812:35 pm
SLU
- IAD
2 stops26h 54m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,039
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 May 5, 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 May 5, 2026.
This American Airlines deal was found by Cheapflights users on 5/3. 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 11/32:28 pm
UVF
- IAD
2 stops23h 44m
American Airlines
Deal found 5/3![American Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 5/1. 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 5/1![Delta logo]()
$771
This United Airlines deal was found by Cheapflights users on 5/2. 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 5/236:10 am
IAD
- UVF
1 stop9h 21m
United Airlines
Sat 5/304:22 pm
UVF
- IAD
1 stop15h 00m
United Airlines
Deal found 5/2![United Airlines logo]()
$919
This Gotogate deal was found by Cheapflights users on 4/30. 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 5/244:05 pm
IAD
- SLU
2 stops47h 10m
Multiple Airlines
Thu 5/2812:35 pm
SLU
- IAD
2 stops26h 54m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,039
This Delta deal was found by Cheapflights users on 4/30. 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 7/216:00 am
IAD
- UVF
1 stop8h 12m
Delta
Fri 7/243:33 pm
UVF
- IAD
1 stop9h 08m
Delta
Deal found 4/30![Delta logo]()
$876
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/206:10 am
IAD
- UVF
1 stop9h 21m
United Airlines
Sat 6/2712:55 pm
UVF
- IAD
1 stop11h 50m
United Airlines
Deal found 5/1![United Airlines logo]()
$992
This Delta deal was found by Cheapflights users on 5/4. 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 9/226:00 am
IAD
- UVF
1 stop8h 23m
Delta
Tue 9/293:38 pm
UVF
- IAD
1 stop8h 32m
Delta
Deal found 5/4![Delta logo]()
$946
This Gotogate deal was found by Cheapflights users on 5/4. 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 10/44:00 pm
IAD
- SLU
2 stops27h 00m
Multiple Airlines
Sat 10/1012:35 pm
SLU
- IAD
2 stops31h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,041
This Mytrip deal was found by Cheapflights users on 5/4. 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 5/163:45 pm
IAD
- SLU
3 stops27h 15m
Multiple Airlines
Fri 5/226:00 pm
SLU
- IAD
3 stops21h 03m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,074
This Delta deal was found by Cheapflights users on 4/30. 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 5/246:08 am
IAD
- UVF
1 stop7h 57m
Delta
Sat 5/303:25 pm
UVF
- IAD
1 stop9h 26m
Delta
Deal found 4/30![Delta logo]()
$991
This Gotogate deal was found by Cheapflights users on 5/2. 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 7/249:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Sun 8/23:45 pm
SLU
- IAD
2 stops47h 39m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,074
This Delta deal was found by Cheapflights users on 5/4. 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 6/166:00 am
IAD
- UVF
1 stop8h 13m
Delta
Wed 7/83:33 pm
UVF
- IAD
1 stop9h 08m
Delta
Deal found 5/4![Delta logo]()
$1,015
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 6/53:45 pm
IAD
- SLU
3 stops27h 15m
Multiple Airlines
Mon 6/84:20 pm
SLU
- IAD
3 stops28h 09m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,158
This Delta deal was found by Cheapflights users on 5/2. 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 7/306:00 am
IAD
- UVF
1 stop8h 12m
Delta
Wed 8/53:34 pm
UVF
- IAD
1 stop8h 59m
Delta
Deal found 5/2![Delta logo]()
$1,200
This Mytrip deal was found by Cheapflights users on 5/4. 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.
Fri 5/159:55 am
IAD
- SLU
2 stops27h 15m
Multiple Airlines
Sun 5/176:00 pm
SLU
- IAD
2 stops26h 29m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,318
This Delta deal was found by Cheapflights users on 5/3. 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 7/196:00 am
IAD
- UVF
1 stop8h 12m
Delta
Fri 7/243:33 pm
UVF
- IAD
1 stop9h 08m
Delta
Deal found 5/3![Delta logo]()
$1,205
This Mytrip deal was found by Cheapflights users on 5/4. 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.
Fri 6/194:00 pm
IAD
- SLU
3 stops23h 15m
Multiple Airlines
Wed 6/2412:35 pm
SLU
- IAD
2 stops27h 37m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,327
This Mytrip deal was found by Cheapflights users on 5/3. 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 7/63:45 pm
IAD
- SLU
3 stops23h 50m
Multiple Airlines
Wed 7/810:15 am
SLU
- IAD
2 stops29h 09m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$1,360
Last-minute flights from Dulles Intl to Saint LuciaDiscover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated May 5, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/4. 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 5/163:45 pm
IAD
- SLU
3 stops27h 15m
Multiple Airlines
Fri 5/226:00 pm
SLU
- IAD
3 stops21h 03m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,074
This Gotogate deal was found by Cheapflights users on 4/30. 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 5/244:05 pm
IAD
- SLU
2 stops47h 10m
Multiple Airlines
Thu 5/2812:35 pm
SLU
- IAD
2 stops26h 54m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,039
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 5/275:06 pm
IAD
- UVF
2 stops44h 59m
Air Canada
Tue 6/23:05 pm
UVF
- IAD
2 stops20h 38m
Air Canada
Deal found 4/30![Air Canada logo]()
$457
This Air Canada deal was found by Cheapflights users on 5/1. 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 6/14:05 pm
IAD
- UVF
1 stop22h 05m
Air Canada
Fri 6/53:05 pm
UVF
- IAD
1 stop24h 24m
Air Canada
Deal found 5/1![Air Canada logo]()
$422
This Mytrip deal was found by Cheapflights users on 5/1. 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 6/49:55 am
IAD
- UVF
1 stop28h 15m
Air Canada
Tue 6/93:05 pm
UVF
- IAD
1 stop23h 16m
Air Canada
Deal found 5/1![Air Canada logo]()
$482
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 6/55:15 pm
IAD
- SLU
2 stops25h 45m
Multiple Airlines
Mon 6/84:20 pm
SLU
- IAD
3 stops28h 09m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,128
This Air Canada deal was found by Cheapflights users on 5/5. 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.
Mon 6/84:05 pm
IAD
- UVF
1 stop22h 05m
Air Canada
Fri 6/193:15 pm
UVF
- IAD
2 stops20h 28m
Air Canada
Deal found 5/5![Air Canada logo]()
$475
This Justfly.com deal was found by Cheapflights users on 5/3. 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 6/1010:10 pm
IAD
- UVF
2 stops40h 00m
Air Canada
Tue 6/163:05 pm
UVF
- IAD
2 stops25h 30m
Air Canada
Deal found 5/3![Air Canada logo]()
$478
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Thu 6/118:18 am
IAD
- UVF
2 stops29h 52m
Air Canada
Tue 6/163:05 pm
UVF
- IAD
2 stops20h 07m
Air Canada
Deal found 5/4![Air Canada logo]()
$484
This Gotogate deal was found by Cheapflights users on 4/30. 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 6/135:15 pm
IAD
- SLU
2 stops25h 45m
Multiple Airlines
Thu 6/183:45 pm
SLU
- IAD
2 stops48h 27m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$984
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/188:18 am
IAD
- UVF
2 stops30h 02m
Air Canada
Tue 6/233:15 pm
UVF
- IAD
2 stops27h 46m
Air Canada
Deal found 4/30![Air Canada logo]()
$436
This Gotogate deal was found by Cheapflights users on 5/4. 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
Wed 6/2412:35 pm
SLU
- IAD
2 stops27h 37m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,006
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 May 5, 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 May 5, 2026.
This Air Canada deal was found by Cheapflights users on 5/2. 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 6/1010:10 pm
IAD
- UVF
2 stops40h 00m
Air Canada
Deal found 5/2![Air Canada logo]()
$192
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Wed 6/1710:10 pm
IAD
- UVF
2 stops40h 10m
Air Canada
Deal found 5/4![Air Canada logo]()
$193
This Air Canada deal was found by Cheapflights users on 5/2. 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 6/115:15 pm
IAD
- UVF
1 stop20h 55m
Air Canada
Deal found 5/2![Air Canada logo]()
$216
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Mon 7/274:20 pm
IAD
- UVF
1 stop22h 00m
Air Canada
Deal found 5/1![Air Canada logo]()
$237
This Expedia deal was found by Cheapflights users on 5/4. 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 8/23:45 pm
IAD
- UVF
2 stops46h 35m
Air Canada
Deal found 5/4![Air Canada logo]()
$239
This FlightHub deal was found by Cheapflights users on 5/3. 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.
Wed 7/810:10 pm
IAD
- UVF
2 stops40h 10m
Air Canada
Deal found 5/3![Air Canada logo]()
$240
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1311:30 am
IAD
- UVF
1 stop26h 10m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Wed 6/104:05 pm
IAD
- UVF
1 stop21h 35m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Fri 6/126:26 pm
IAD
- UVF
2 stops43h 14m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$286
This Booking.com deal was found by Cheapflights users on 5/4. 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.
Fri 7/39:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$496
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Fri 5/159:55 am
IAD
- SLU
2 stops33h 05m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$603
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 May 5, 2026.
Round-trip from | $422 (Air Canada) |
|---|---|
One-way from | $192 (Air Canada) |
Popular in | November |
Cheapest in | December |
Average price | $905 |
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 May 5, 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
Thu 10/29
8:25 pm-1:25 pm
1 stop17h 00m
Castries Hewanorra
Tue 11/3
2:28 pm-1:12 pm
2 stops23h 44m
$683
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
$771
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Tue 7/21
6:00 am-2:12 pm
1 stop8h 12m
Castries Hewanorra
Fri 7/24
3:33 pm-12:41 am
1 stop9h 08m
$876
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Sat 5/23
6:10 am-3:31 pm
1 stop9h 21m
Castries Hewanorra
Sat 5/30
4:22 pm-7:22 am
1 stop15h 00m
$919
Quickest round-trip
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Tue 9/22
6:00 am-2:23 pm
1 stop8h 23m
Castries Hewanorra
Tue 9/29
3:38 pm-12:10 am
1 stop8h 32m
$946
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Sun 5/24
6:08 am-2:05 pm
1 stop7h 57m
Castries Hewanorra
Sat 5/30
3:25 pm-12:51 am
1 stop9h 26m
$991
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Sat 6/20
6:10 am-3:31 pm
1 stop9h 21m
Castries Hewanorra
Sat 6/27
12:55 pm-12:45 am
1 stop11h 50m
$992
Washington, D.C.Castries
IAD - UVF
IADUVF
Washington, D.C. Dulles Intl
Tue 6/16
6:00 am-2:13 pm
1 stop8h 13m
Castries Hewanorra
Wed 7/8
3:33 pm-12:41 am
1 stop9h 08m
$1,015
Washington, D.C.Castries
IAD - SLU
IADSLU
Washington, D.C. Dulles Intl
Sun 5/24
4:05 pm-3:15 pm
2 stops47h 10m
Castries George F. L. Charle
Thu 5/28
12:35 pm-3:29 pm
2 stops26h 54m
$1,039
Washington, D.C.Castries
IAD - SLU
IADSLU
Washington, D.C. Dulles Intl
Sun 10/4
4:00 pm-7:00 pm
2 stops27h 00m
Castries George F. L. Charle
Sat 10/10
12:35 pm-8:25 pm
2 stops31h 50m
$1,041
Showing 1-10 of 31 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 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 May 5, 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
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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 May 5, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$776 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$452 | Average$920 | FlexibilityNo cancel fee | On-timeN/A |