$802+ Cheap flights from Boise (BOI) 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — UVF
Nov 26 — Dec 31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise 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.Find flight deals from Boise to Saint Lucia
Cheapest flights from Boise to Saint LuciaExplore the most affordable flight options available from Boise to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.
Explore the most affordable flight options available from Boise to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/141:54 pmBOI - UVF
2 stops22h 42mDelta
Sun 12/214:50 pmUVF - BOI
2 stops24h 28mDelta
Deal found 10/25![Delta logo]()
$1,076
Cheap flight deals from Boise to Saint Lucia
Keep the following information in mind while searching for Boise to Saint Lucia flight deals. Data was last updated October 27, 2025.
Round-trip from | $802 (Delta) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 October 27, 2025.
Use the filters below to find and compare flights from Boise to Saint Lucia that are best for you.
Fly from
Boise
Fly to
Saint Lucia
Route
Depart
Return
Price
BoiseCastries
BOI - UVF
BOIUVF
Boise Air Term. Gowen Fld
Tue 4/7
5:40 am-2:04 pm
2 stops30h 24m
Castries Hewanorra
Thu 4/9
3:24 pm-10:24 am
2 stops21h 00m
$802
BoiseCastries
BOI - UVF
BOIUVF
Boise Air Term. Gowen Fld
Sun 12/14
1:54 pm-3:36 pm
2 stops22h 42m
Castries Hewanorra
Sun 12/21
4:50 pm-2:18 pm
2 stops24h 28m
$1,076
Best time to book a flight from Boise to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Boise with our price prediction graph.
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 Boise to Saint Lucia
No data available for this route at this time. Please check back soon.