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Cheap flights from Idaho to Saint Lucia from $768

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Saint Lucia departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:37 pm - 2:18 pm
BOI
-
UVF
17h 41m
2 stops
American Airlines Logo
2:48 pm - 12:48 pm
UVF
-
BOI
24h 00m
2 stops
$768American Airlines
Wed, Mar 25 - Wed, Apr 1
Delta Logo
3:30 pm - 2:13 pm
BOI
-
UVF
20h 43m
2 stops
Delta Logo
3:28 pm - 3:01 pm
UVF
-
BOI
25h 33m
2 stops
$793Delta
Mon, Aug 3 - Tue, Aug 11
Delta Logo
11:30 pm - 1:58 pm
BOI
-
UVF
12h 28m
1 stop
Delta Logo
3:18 pm - 1:05 pm
UVF
-
BOI
23h 47m
2 stops
$878Delta
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
1:53 pm - 2:26 pm
BOI
-
UVF
22h 33m
2 stops
American Airlines Logo
2:45 pm - 1:03 pm
UVF
-
BOI
24h 18m
2 stops
$1,174American Airlines
Thu, Apr 30 - Mon, May 4
Delta Logo
11:35 pm - 2:02 pm
BOI
-
UVF
12h 27m
1 stop
Delta Logo
3:22 pm - 4:14 pm
UVF
-
BOI
26h 52m
2 stops
$1,308Delta
Thu, Apr 30 - Mon, May 4

American Airlines flights from Idaho to Saint Lucia

Our best American Airlines deals on Idaho to Saint Lucia flight tickets
American Airlines
Mar 25
BOI6:37 pmBoise Air Term. Gowen Fld
17h 41m
2 stops
UVF2:18 pmCastries Hewanorra
Apr 1
UVF2:48 pmCastries Hewanorra
24h 00m
2 stops
BOI12:48 pmBoise Air Term. Gowen Fld
$768
American Airlines
Apr 30
BOI1:53 pmBoise Air Term. Gowen Fld
22h 33m
2 stops
UVF2:26 pmCastries Hewanorra
May 4
UVF2:45 pmCastries Hewanorra
24h 18m
2 stops
BOI1:03 pmBoise Air Term. Gowen Fld
$1,174

Delta flights from Idaho to Saint Lucia

Our best Delta deals on Idaho to Saint Lucia flight tickets
Delta
Aug 3
BOI3:30 pmBoise Air Term. Gowen Fld
20h 43m
2 stops
UVF2:13 pmCastries Hewanorra
Aug 11
UVF3:28 pmCastries Hewanorra
25h 33m
2 stops
BOI3:01 pmBoise Air Term. Gowen Fld
$793
Delta
Mar 25
BOI11:30 pmBoise Air Term. Gowen Fld
12h 28m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 1
UVF3:18 pmCastries Hewanorra
23h 47m
2 stops
BOI1:05 pmBoise Air Term. Gowen Fld
$878
Delta
Apr 30
BOI11:35 pmBoise Air Term. Gowen Fld
12h 27m
1 stop
UVF2:02 pmCastries Hewanorra
May 4
UVF3:22 pmCastries Hewanorra
26h 52m
2 stops
BOI4:14 pmBoise Air Term. Gowen Fld
$1,308

momondo 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, momondo users made 832,500 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Idaho to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Wed 3/25

6:37 pm-2:18 pm

2 stops17h 41m

Castries Hewanorra

Wed 4/1

2:48 pm-12:48 pm

2 stops24h 00m

$768

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Mon 8/3

3:30 pm-2:13 pm

2 stops20h 43m

Castries Hewanorra

Tue 8/11

3:28 pm-3:01 pm

2 stops25h 33m

$793

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Wed 3/25

11:30 pm-1:58 pm

1 stop12h 28m

Castries Hewanorra

Wed 4/1

3:18 pm-1:05 pm

2 stops23h 47m

$878

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Thu 4/30

1:53 pm-2:26 pm

2 stops22h 33m

Castries Hewanorra

Mon 5/4

2:45 pm-1:03 pm

2 stops24h 18m

$1,174

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Thu 4/30

11:35 pm-2:02 pm

1 stop12h 27m

Castries Hewanorra

Mon 5/4

3:22 pm-4:14 pm

2 stops26h 52m

$1,308

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Idaho to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Saint Lucia

Fastest flight time

12h 27m

Direct flights

None
The fastest flight from Idaho to Saint Lucia takes 12h 27m
There are no direct flights from Idaho to Saint Lucia. There are no popular flight routes from Idaho to Saint Lucia.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Saint Lucia?

    Prices for flights from Idaho to Saint Lucia are refreshed on a daily basis.

  • How old do you have to be to fly from Idaho to Saint Lucia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Idaho to Saint Lucia?

    Price Alerts will notify you by email when the price for flights to Saint Lucia from Idaho decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Idaho to Saint Lucia with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Saint Lucia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Saint Lucia for you.

Can I find flights from Idaho to Saint Lucia with flexible booking policies on momondo?

All flight searches from Idaho to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to Saint Lucia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Lucia from Idaho.

I’m not ready to book a flight from Idaho to Saint Lucia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fri 3/13
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