$722+ Cheap flights from Idaho 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — UVF
Nov 15 — Nov 221
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho 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 Idaho to Saint Lucia
Keep the following information in mind while searching for Idaho to Saint Lucia flight deals. Data was last updated October 16, 2025.
Round-trip from | $722 (Delta) |
|---|
Find flight deals from Idaho to Saint Lucia
Cheapest flights from Idaho to Saint LuciaExplore the most affordable flight options available from Idaho to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
Explore the most affordable flight options available from Idaho to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:25 pmBOI - UVF
2 stops18h 35mAmerican Airlines
Sun 12/214:54 pmUVF - BOI
2 stops22h 43mAmerican Airlines
Deal found 10/15![American Airlines logo]()
$1,092
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:10 pmGEG - UVF
2 stops19h 46mAmerican Airlines
Fri 10/244:00 pmUVF - GEG
2 stops23h 20mAmerican Airlines
Deal found 10/14![American Airlines logo]()
$2,620
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 16, 2025.
Use the filters below to find and compare flights from Idaho to Saint Lucia that are best for you.
Fly from
Idaho
Fly to
Saint Lucia
Route
Depart
Return
Price
BoiseCastries
BOI - UVF
BOIUVF
Boise Air Term. Gowen Fld
Mon 2/9
2:00 pm-3:04 pm
2 stops22h 04m
Castries Hewanorra
Wed 2/18
4:24 pm-2:09 pm
2 stops24h 45m
$722
SpokaneCastries
GEG - UVF
GEGUVF
Spokane
Sun 3/1
1:30 pm-3:04 pm
2 stops21h 34m
Castries Hewanorra
Wed 3/4
4:24 pm-2:42 pm
2 stops26h 18m
$724
BoiseCastries
BOI - UVF
BOIUVF
Boise Air Term. Gowen Fld
Tue 4/7
1:10 pm-2:04 pm
2 stops22h 54m
Castries Hewanorra
Thu 4/9
3:24 pm-6:25 pm
2 stops29h 01m
$873
BoiseCastries
BOI - UVF
BOIUVF
Boise Air Term. Gowen Fld
Sun 12/14
5:25 pm-3:00 pm
2 stops18h 35m
Castries Hewanorra
Sun 12/21
4:54 pm-12:37 pm
2 stops22h 43m
$1,092
Best time to book a flight from Idaho to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Idaho 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 Idaho to Saint Lucia
What is the cheapest time of day to fly from ID to LC?
Find hourly flight availability from Idaho to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.
When flying from Idaho to Saint Lucia, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the afternoon.