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Cheap flights from Idaho to Castries from $793

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 Castries departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:23 pm - 2:14 pm
BOI
-
UVF
23h 51m
2 stops
Delta Logo
3:28 pm - 2:03 pm
UVF
-
BOI
24h 35m
2 stops
$793Delta
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
3:04 pm - 2:14 pm
BOI
-
UVF
21h 10m
2 stops
American Airlines Logo
3:04 pm - 2:14 pm
UVF
-
BOI
25h 10m
2 stops
$835American Airlines
Sun, Aug 16 - Thu, Aug 20
American Airlines Logo
12:45 pm - 1:35 pm
GEG
-
UVF
21h 50m
2 stops
American Airlines Logo
4:00 pm - 11:35 am
UVF
-
GEG
22h 35m
2 stops
$913American Airlines
Tue, Oct 20 - Sun, Oct 25
Delta Logo
4:00 pm - 2:14 pm
BOI
-
UVF
20h 14m
2 stops
Delta Logo
3:34 pm - 2:49 pm
UVF
-
BOI
25h 15m
2 stops
$978Delta
Mon, Aug 3 - Tue, Aug 11
American Airlines Logo
3:53 pm - 2:20 pm
BOI
-
UVF
20h 27m
2 stops
American Airlines Logo
3:04 pm - 11:27 am
UVF
-
BOI
22h 23m
2 stops
$984American Airlines
Mon, Aug 3 - Tue, Aug 11
American Airlines Logo
1:57 pm - 12:08 pm
BOI
-
UVF
20h 11m
2 stops
American Airlines Logo
2:50 pm - 2:47 pm
UVF
-
BOI
25h 57m
2 stops
$1,005American Airlines
Mon, Jul 13 - Fri, Jul 17
Delta Logo
11:35 pm - 2:14 pm
BOI
-
UVF
12h 39m
1 stop
Delta Logo
3:34 pm - 6:48 pm
UVF
-
BOI
29h 14m
2 stops
$1,083Delta
Mon, Aug 3 - Tue, Aug 11
American Airlines Logo
3:44 pm - 1:25 pm
GEG
-
UVF
18h 41m
2 stops
American Airlines Logo
4:20 pm - 11:58 am
UVF
-
GEG
22h 38m
2 stops
$1,165American Airlines
Sun, Oct 18 - Sat, Oct 24
Delta Logo
10:45 pm - 2:26 pm
GEG
-
UVF
12h 41m
1 stop
Delta Logo
3:41 pm - 11:44 am
UVF
-
GEG
23h 03m
2 stops
$1,231Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
10:45 pm - 2:26 pm
GEG
-
UVF
12h 41m
1 stop
Delta Logo
3:41 pm - 2:13 pm
UVF
-
GEG
25h 32m
2 stops
$1,344Delta
Tue, Oct 20 - Sun, Oct 25

Delta flights from Idaho to Castries

Our best Delta deals on Idaho to Castries flight tickets
Delta
Aug 26
BOI12:23 pmBoise Air Term. Gowen Fld
23h 51m
2 stops
UVF2:14 pmCastries Hewanorra
Sep 2
UVF3:28 pmCastries Hewanorra
24h 35m
2 stops
BOI2:03 pmBoise Air Term. Gowen Fld
$793
Delta
Aug 3
BOI4:00 pmBoise Air Term. Gowen Fld
20h 14m
2 stops
UVF2:14 pmCastries Hewanorra
Aug 11
UVF3:34 pmCastries Hewanorra
25h 15m
2 stops
BOI2:49 pmBoise Air Term. Gowen Fld
$978
Delta
Aug 3
BOI11:35 pmBoise Air Term. Gowen Fld
12h 39m
1 stop
UVF2:14 pmCastries Hewanorra
Aug 11
UVF3:34 pmCastries Hewanorra
29h 14m
2 stops
BOI6:48 pmBoise Air Term. Gowen Fld
$1,083

American Airlines flights from Idaho to Castries

Our best American Airlines deals on Idaho to Castries flight tickets
American Airlines
Aug 16
BOI3:04 pmBoise Air Term. Gowen Fld
21h 10m
2 stops
UVF2:14 pmCastries Hewanorra
Aug 20
UVF3:04 pmCastries Hewanorra
25h 10m
2 stops
BOI2:14 pmBoise Air Term. Gowen Fld
$835
American Airlines
Oct 20
GEG12:45 pmSpokane
21h 50m
2 stops
UVF1:35 pmCastries Hewanorra
Oct 25
UVF4:00 pmCastries Hewanorra
22h 35m
2 stops
GEG11:35 amSpokane
$913
American Airlines
Aug 3
BOI3:53 pmBoise Air Term. Gowen Fld
20h 27m
2 stops
UVF2:20 pmCastries Hewanorra
Aug 11
UVF3:04 pmCastries Hewanorra
22h 23m
2 stops
BOI11:27 amBoise Air Term. Gowen Fld
$984

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Castries 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 May 16, 2026.
Use the filters below to find and compare flights from Idaho to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Wed 8/26

12:23 pm-2:14 pm

2 stops23h 51m

Castries Hewanorra

Wed 9/2

3:28 pm-2:03 pm

2 stops24h 35m

$793

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Sun 8/16

3:04 pm-2:14 pm

2 stops21h 10m

Castries Hewanorra

Thu 8/20

3:04 pm-2:14 pm

2 stops25h 10m

$835

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Tue 10/20

12:45 pm-1:35 pm

2 stops21h 50m

Castries Hewanorra

Sun 10/25

4:00 pm-11:35 am

2 stops22h 35m

$913

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Mon 8/3

4:00 pm-2:14 pm

2 stops20h 14m

Castries Hewanorra

Tue 8/11

3:34 pm-2:49 pm

2 stops25h 15m

$978

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Mon 8/3

3:53 pm-2:20 pm

2 stops20h 27m

Castries Hewanorra

Tue 8/11

3:04 pm-11:27 am

2 stops22h 23m

$984

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Mon 7/13

1:57 pm-12:08 pm

2 stops20h 11m

Castries Hewanorra

Fri 7/17

2:50 pm-2:47 pm

2 stops25h 57m

$1,005

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Mon 8/3

11:35 pm-2:14 pm

1 stop12h 39m

Castries Hewanorra

Tue 8/11

3:34 pm-6:48 pm

2 stops29h 14m

$1,083

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Sun 10/18

3:44 pm-1:25 pm

2 stops18h 41m

Castries Hewanorra

Sat 10/24

4:20 pm-11:58 am

2 stops22h 38m

$1,165
Quickest round-trip

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Tue 10/20

10:45 pm-2:26 pm

1 stop12h 41m

Castries Hewanorra

Sat 10/24

3:41 pm-11:44 am

2 stops23h 03m

$1,231

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Tue 10/20

10:45 pm-2:26 pm

1 stop12h 41m

Castries Hewanorra

Sun 10/25

3:41 pm-2:13 pm

2 stops25h 32m

$1,344

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Idaho to Castries flight deals and tips

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

Fastest flight time

12h 39m

Direct flights

None
The fastest flight from Idaho to Castries takes 12h 39m
There are no direct flights from Idaho to Castries. There are no popular flight routes from Idaho to Castries.
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Frequently asked questions about flying from Idaho to Castries

  • When did momondo last update prices for flights from Idaho to Castries Hewanorra Airport?

    Prices for flights from Idaho to Castries Hewanorra Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Idaho to Castries Hewanorra Airport?

    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 Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents required for your trip to Castries Hewanorra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Idaho to Castries

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

    Price Alerts will notify you by email when the price for flights to Castries 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 Castries 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.

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Castries. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Castries from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to Castries?

Once all potential Idaho to Castries flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Castries from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Castries George F. L. Charle Airport