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Find cheap flights from Idaho to Saint Lucia from $691

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho to Saint Lucia departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/22
Sat 6/29

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Cheapest flight

$691
Flight from Boise to Castries

FAQs for booking flights from Idaho to Saint Lucia

  • How does KAYAK find such low prices on flights from Idaho to Saint Lucia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Saint Lucia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Saint Lucia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint Lucia from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Saint Lucia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint Lucia with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Saint Lucia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint Lucia from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Idaho to Saint Lucia

Recent round-trip flight deals

9/19Thu
2 stopsAmerican Airlines
29h 30mBOI-UVF
9/24Tue
2 stopsAmerican Airlines
31h 42mUVF-BOI
$691
10/8Tue
2 stopsAmerican Airlines
17h 56mBOI-UVF
10/15Tue
2 stopsAmerican Airlines
22h 57mUVF-BOI
$803
6/8Sat
2 stopsAir Canada
30h 20mGEG-UVF
6/16Sun
2 stopsAir Canada
34h 00mUVF-GEG
$804
9/19Thu
1 stopDelta
12h 25mBOI-UVF
9/24Tue
2 stopsDelta
32h 22mUVF-BOI
$849
9/19Thu
1 stopDelta
12h 25mBOI-UVF
9/24Tue
1 stopDelta
22h 58mUVF-BOI
$1,029
6/8Sat
1 stopAmerican Airlines
12h 57mGEG-UVF
6/16Sun
2 stopsAmerican Airlines
23h 34mUVF-GEG
$1,172
6/8Sat
1 stopAmerican Airlines
12h 57mGEG-UVF
6/16Sun
1 stopAmerican Airlines
32h 36mUVF-GEG
$1,390
9/19Thu
3 stopsAmerican Airlines
17h 56mBOI-UVF
9/24Tue
2 stopsAmerican Airlines
23h 29mUVF-BOI
$4,313

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