$262+ Cheap flights from Dulles Intl (IAD) to Saint Lucia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — UVF
Nov 7 — Nov 141
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dulles Intl to Saint Lucia
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One-way
Cheapest flights from Dulles Intl to Saint LuciaExplore the most affordable flight options available from Dulles Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Dulles Intl to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This Trip.com deal was found by Cheapflights users on 10/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:55 am -
1 stop29h 45m
Sun 11/155:35 pm -
1 stop23h 10m
Deal found 10/3![Air Canada logo]()
$371
This Trip.com deal was found by Cheapflights users on 10/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:55 am -
1 stop29h 45m
Sun 11/225:35 pm -
1 stop27h 35m
Deal found 10/4![Air Canada logo]()
$373
This Trip.com deal was found by Cheapflights users on 10/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:20 pm -
1 stop22h 20m
Sun 11/15:35 pm -
1 stop23h 10m
Deal found 10/3![Air Canada logo]()
$397
This Orbitz deal was found by Cheapflights users on 10/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop29h 45m
Sun 11/155:35 pm -
1 stop27h 35m
Deal found 10/3![Air Canada logo]()
$400
This Air Canada deal was found by Cheapflights users on 10/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:46 pm -
2 stops21h 54m
Mon 11/235:35 pm -
1 stop23h 10m
Deal found 10/4![Air Canada logo]()
$408
This Justfly.com deal was found by Cheapflights users on 10/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:37 pm -
2 stops22h 03m
Sun 12/65:35 pm -
2 stops23h 18m
Deal found 10/4![Air Canada logo]()
$409
This Air Canada deal was found by Cheapflights users on 10/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/94:30 pm -
1 stop23h 10m
Sun 12/135:35 pm -
1 stop27h 35m
Deal found 10/3![Air Canada logo]()
$410
This Justfly.com deal was found by Cheapflights users on 10/5. 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 11/81:19 pm -
2 stops26h 21m
Fri 11/135:35 pm -
2 stops23h 51m
Deal found 10/5![Air Canada logo]()
$413
This Justfly.com deal was found by Cheapflights users on 10/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:20 pm -
1 stop22h 20m
Mon 12/75:35 pm -
1 stop27h 35m
Deal found 10/4![Air Canada logo]()
$434
This Trip.com deal was found by Cheapflights users on 10/5. 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 12/29:55 am -
1 stop29h 45m
Sun 12/65:35 pm -
1 stop23h 10m
Deal found 10/5![Air Canada logo]()
$436
Best flights from Dulles Intl to Saint LuciaDiscover carefully curated flight deals from Dulles Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Dulles Intl to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This Justfly.com deal was found by Cheapflights users on 10/3. 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.
Sun 11/81:19 pm -
2 stops26h 21m
Fri 11/135:35 pm -
2 stops23h 51m
Deal found 10/3![Air Canada logo]()
$413
This Delta deal was found by Cheapflights users on 10/3. 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.
Tue 11/176:00 am -
1 stop8h 05m
Tue 11/244:25 pm -
1 stop9h 16m
Deal found 10/3![Delta logo]()
$689
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:47 pm -
1 stop16h 38m
Sat 11/141:52 pm -
1 stop11h 38m
Deal found 10/7![United Airlines logo]()
$724
This Justfly.com deal was found by Cheapflights users on 10/7. 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 11/19:55 am -
2 stops29h 45m
Fri 11/65:35 pm -
2 stops23h 18m
Deal found 10/7![Air Canada logo]()
$669
This Delta deal was found by Cheapflights users on 10/3. 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.
Tue 3/26:00 am -
1 stop8h 05m
Mon 3/84:20 pm -
1 stop9h 00m
Deal found 10/3![Delta logo]()
$689
This Delta deal was found by Cheapflights users on 10/3. 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.
Fri 1/296:00 am -
1 stop8h 05m
Sat 1/304:25 pm -
1 stop18h 36m
Deal found 10/3![Delta logo]()
$689
This Air Canada deal was found by Cheapflights users on 10/8. 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 1/134:30 pm -
1 stop23h 10m
Mon 1/185:35 pm -
1 stop23h 10m
Deal found 10/8![Air Canada logo]()
$723
This Delta deal was found by Cheapflights users on 10/3. 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.
Wed 1/277:50 pm -
1 stop18h 15m
Sat 1/304:25 pm -
1 stop18h 36m
Deal found 10/3![Delta logo]()
$689
This Delta deal was found by Cheapflights users on 10/7. 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 10/296:00 am -
1 stop8h 12m
Tue 11/34:32 pm -
1 stop9h 10m
Deal found 10/7![Delta logo]()
$709
This Delta deal was found by Cheapflights users on 10/8. 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.
Wed 12/96:00 am -
1 stop8h 04m
Sat 12/124:26 pm -
1 stop9h 15m
Deal found 10/8![Delta logo]()
$709
This Delta deal was found by Cheapflights users on 10/6. 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 3/256:00 am -
1 stop8h 00m
Tue 3/303:20 pm -
1 stop17h 51m
Deal found 10/6![Delta logo]()
$773
This Delta deal was found by Cheapflights users on 10/6. 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 3/236:00 am -
1 stop8h 00m
Thu 3/253:20 pm -
1 stop17h 51m
Deal found 10/6![Delta logo]()
$773
Last-minute flights from Dulles Intl to Saint LuciaDiscover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Saint Lucia. Data last updated October 8, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:20 pm -
1 stop22h 20m
Sun 11/15:35 pm -
1 stop23h 10m
Deal found 10/3![Air Canada logo]()
$397
This Air Canada deal was found by Cheapflights users on 10/8. 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.
Sun 11/14:30 pm -
1 stop23h 10m
Fri 11/65:35 pm -
1 stop23h 10m
Deal found 10/8![Air Canada logo]()
$460
This Orbitz deal was found by Cheapflights users on 10/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop29h 45m
Sun 11/155:35 pm -
1 stop27h 35m
Deal found 10/3![Air Canada logo]()
$400
This Justfly.com deal was found by Cheapflights users on 10/5. 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 11/810:10 pm -
1 stop17h 30m
Fri 11/135:35 pm -
1 stop27h 35m
Deal found 10/5![Air Canada logo]()
$410
This Trip.com deal was found by Cheapflights users on 10/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:55 am -
1 stop29h 45m
Sun 11/155:35 pm -
1 stop23h 10m
Deal found 10/3![Air Canada logo]()
$371
This Trip.com deal was found by Cheapflights users on 10/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:55 am -
1 stop29h 45m
Sun 11/225:35 pm -
1 stop27h 35m
Deal found 10/4![Air Canada logo]()
$373
This Air Canada deal was found by Cheapflights users on 10/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:46 pm -
2 stops21h 54m
Mon 11/235:35 pm -
1 stop23h 10m
Deal found 10/4![Air Canada logo]()
$408
This Justfly.com deal was found by Cheapflights users on 10/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:37 pm -
2 stops22h 03m
Sun 12/65:35 pm -
2 stops23h 18m
Deal found 10/4![Air Canada logo]()
$409
One-way flights from Dulles Intl to Saint LuciaSearch for one-way flight options from Dulles Intl to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Dulles Intl to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Travelocity deal was found by Cheapflights users on 10/6. 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.
Tue 1/269:55 am -
1 stop29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Air Canada logo]()
$262
This Delta deal was found by Cheapflights users on 10/3. 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.
Thu 2/256:00 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Delta logo]()
$294
This American Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 2/256:00 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 10/6. 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 1/64:13 pm -
1 stop21h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 10/6. 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 1/277:14 pm -
2 stops18h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![American Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2810:57 pm -
3 stops38h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Mon 12/283:22 pm -
2 stops20h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![American Airlines logo]()
$444
This FlightHub deal was found by Cheapflights users on 10/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:05 am -
2 stops30h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Air Canada logo]()
$567
This United Airlines deal was found by Cheapflights users on 10/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:10 am -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2611:20 am -
3 stops45h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 10/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/253:22 pm -
2 stops20h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$652
Find flight deals from Dulles Intl to Saint Lucia
Keep the following information in mind while searching for Dulles Intl to Saint Lucia flight deals. Data was last updated October 8, 2026.
Round-trip from | $371 (Trip.com) |
|---|---|
One-way from | $262 (Travelocity) |
Popular in | November |
Cheapest in | December |
Average price | $586 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Saint Lucia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Thu 2/25
6:00 am-3:05 pm
1 stop8h 05m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Thu 1/28
4:13 pm-3:38 pm
2 stops22h 25m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Mon 12/28
10:44 pm-2:15 pm
1 stop14h 31m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Thu 2/25
6:00 am-3:05 pm
1 stop8h 05m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Thu 1/28
6:00 am-3:05 pm
1 stop8h 05m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Wed 1/27
7:50 pm-3:05 pm
1 stop18h 15m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$304
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sun 11/8
1:19 pm-4:40 pm
2 stops26h 21m
Castries Hewanorra
Fri 11/13
5:35 pm-4:26 pm
2 stops23h 51m
$413
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Mon 12/28
3:22 pm-12:58 pm
2 stops20h 36m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$444
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Sat 12/19
6:10 am-4:25 pm
1 stop9h 15m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$610
Washington, D.C.Castries
IAD Washington, D.C. Dulles Intl - UVF Castries Hewanorra
IADUVF
Washington, D.C. Dulles Intl
Tue 1/26
11:20 am-10:10 am
3 stops45h 50m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$619
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Dulles Intl with our price prediction graph.
IAD-UVF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Saint Lucia
IAD-LC0
IAD-UVF
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Saint Lucia (average of $468). Flying from Washington, D.C. Dulles Intl Airport to Saint Lucia in June is currently the most expensive (average of $1,475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Saint Lucia
Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated October 8, 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.
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Overall
7.8
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Dulles Intl to Saint Lucia
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Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.
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Dulles Intl and Saint Lucia flights
Browse other Dulles Intl and Saint Lucia flight options. Last updated on October 8, 2026.
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Top 2 airlines flying from Dulles Intl to Saint Lucia
Discover the top 2 airlines that operate flights from Dulles Intl to Saint Lucia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$751 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$452 | Average$920 | FlexibilityNo cancel fee | On-timeN/A |