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Cheap flights from Idaho to Castries from $722

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 2/22. 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
6:30 am - 3:05 pm
GEG
-
UVF
28h 35m2 stops
Delta Logo
4:25 pm - 1:08 pm
UVF
-
GEG
24h 43m2 stops
$722Delta
Sun, Feb 22 - Tue, Mar 3
Delta Logo
2:05 pm - 3:05 pm
GEG
-
UVF
21h 00m2 stops
Delta Logo
4:25 pm - 1:08 pm
UVF
-
GEG
24h 43m2 stops
$724Delta
Sun, Feb 22 - Wed, Feb 25
Delta Logo
5:00 am - 3:05 pm
GEG
-
UVF
30h 05m2 stops
Delta Logo
4:25 pm - 1:08 pm
UVF
-
GEG
24h 43m2 stops
$737Delta
Sat, Feb 21 - Wed, Feb 25
Delta Logo
9:10 am - 2:08 pm
GEG
-
UVF
25h 58m2 stops
Delta Logo
3:25 pm - 9:12 am
UVF
-
GEG
20h 47m2 stops
$763Delta
Mon, May 18 - Thu, May 21
Delta Logo
5:20 am - 2:08 pm
GEG
-
UVF
29h 48m2 stops
Delta Logo
3:25 pm - 9:12 am
UVF
-
GEG
20h 47m2 stops
$777Delta
Fri, May 15 - Thu, May 21
Delta Logo
10:45 pm - 2:08 pm
GEG
-
UVF
12h 23m1 stop
Delta Logo
3:25 pm - 9:12 am
UVF
-
GEG
20h 47m2 stops
$802Delta
Mon, May 18 - Thu, May 21
Delta Logo
1:00 pm - 2:08 pm
GEG
-
UVF
22h 08m2 stops
Delta Logo
3:25 pm - 9:12 am
UVF
-
GEG
20h 47m2 stops
$827Delta
Sat, May 16 - Thu, May 21
Delta Logo
5:20 am - 2:08 pm
GEG
-
UVF
29h 48m2 stops
Delta Logo
3:25 pm - 9:12 am
UVF
-
GEG
20h 47m2 stops
$872Delta
Fri, May 15 - Wed, May 20
Delta Logo
4:55 pm - 3:05 pm
BOI
-
UVF
19h 10m2 stops
Delta Logo
4:25 pm - 8:10 pm
UVF
-
BOI
30h 45m2 stops
$873Delta
Sun, Feb 22 - Fri, Feb 27
American Airlines Logo
6:33 pm - 2:58 pm
BOI
-
UVF
18h 25m2 stops
American Airlines Logo
3:18 pm - 12:48 pm
UVF
-
BOI
23h 30m2 stops
$2,452American Airlines
Sun, Mar 15 - Sun, Mar 22

Delta flights from Idaho to Castries

Our best Delta deals on Idaho to Castries flight tickets
Delta
Feb 22
GEG6:30 amSpokane
28h 35m
2 stops
UVF3:05 pmCastries Hewanorra
Mar 3
UVF4:25 pmCastries Hewanorra
24h 43m
2 stops
GEG1:08 pmSpokane
$722
Find similar
Delta
Feb 22
GEG2:05 pmSpokane
21h 00m
2 stops
UVF3:05 pmCastries Hewanorra
Feb 25
UVF4:25 pmCastries Hewanorra
24h 43m
2 stops
GEG1:08 pmSpokane
$724
Find similar
Delta
Feb 21
GEG6:05 amSpokane
29h 00m
2 stops
UVF3:05 pmCastries Hewanorra
Mar 3
UVF4:25 pmCastries Hewanorra
24h 43m
2 stops
GEG1:08 pmSpokane
$737
Find similar

American Airlines flights from Idaho to Castries

Our best American Airlines deals on Idaho to Castries flight tickets
American Airlines
Apr 29
GEG3:50 pmSpokane
19h 00m
2 stops
UVF1:50 pmCastries Hewanorra
May 6
UVF4:05 pmCastries Hewanorra
22h 30m
2 stops
GEG11:35 amSpokane
$808
Find similar
American Airlines
May 18
GEG3:50 pmSpokane
19h 00m
2 stops
UVF1:50 pmCastries Hewanorra
May 23
UVF3:30 pmCastries Hewanorra
23h 05m
2 stops
GEG11:35 amSpokane
$958
Find similar
American Airlines
Feb 23
GEG1:55 pmSpokane
22h 05m
2 stops
UVF4:00 pmCastries Hewanorra
Feb 28
UVF5:00 pmCastries Hewanorra
23h 14m
2 stops
GEG12:14 pmSpokane
$1,117
Find similar

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 December 21, 2025.
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

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Sun 2/22

6:30 am-3:05 pm

2 stops28h 35m

Castries Hewanorra

Tue 3/3

4:25 pm-1:08 pm

2 stops24h 43m

$722

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Sun 2/22

2:05 pm-3:05 pm

2 stops21h 00m

Castries Hewanorra

Wed 2/25

4:25 pm-1:08 pm

2 stops24h 43m

$724

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Sat 2/21

5:00 am-3:05 pm

2 stops30h 05m

Castries Hewanorra

Wed 2/25

4:25 pm-1:08 pm

2 stops24h 43m

$737

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Mon 5/18

9:10 am-2:08 pm

2 stops25h 58m

Castries Hewanorra

Thu 5/21

3:25 pm-9:12 am

2 stops20h 47m

$763

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Fri 5/15

5:20 am-2:08 pm

2 stops29h 48m

Castries Hewanorra

Thu 5/21

3:25 pm-9:12 am

2 stops20h 47m

$777

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Mon 5/18

10:45 pm-2:08 pm

1 stop12h 23m

Castries Hewanorra

Thu 5/21

3:25 pm-9:12 am

2 stops20h 47m

$802

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Sat 5/16

1:00 pm-2:08 pm

2 stops22h 08m

Castries Hewanorra

Thu 5/21

3:25 pm-9:12 am

2 stops20h 47m

$827

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Fri 5/15

5:20 am-2:08 pm

2 stops29h 48m

Castries Hewanorra

Wed 5/20

3:25 pm-9:12 am

2 stops20h 47m

$872

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Sun 2/22

4:55 pm-3:05 pm

2 stops19h 10m

Castries Hewanorra

Fri 2/27

4:25 pm-8:10 pm

2 stops30h 45m

$873

BoiseCastries

BOI - UVF

BOIUVF

Boise Air Term. Gowen Fld

Sun 3/15

6:33 pm-2:58 pm

2 stops18h 25m

Castries Hewanorra

Sun 3/22

3:18 pm-12:48 pm

2 stops23h 30m

$2,452

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Castries from

How to get the cheapest flight ticket from Idaho to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from Idaho to Castries is on a Saturday when prices can be found for as low as $753. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $885. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is at noon. momondo users have found flights departing from Idaho to Castries at noon for as low as $664. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the afternoon, with an average ticket price of $885. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 43m

Direct flights

None
The fastest flight from Idaho to Castries takes 12h 43m
There are no direct flights from Idaho to Castries. There are no popular flight routes from Idaho to Castries.
Search flight deals

  • 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.

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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Airports servicing Saint Lucia

Castries George F. L. Charle Airport