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Cheap flights from Phoenix Sky Harbor Intl Airport to Castries from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Castries departing on 2/20. 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 Phoenix Sky Harbor Intl Airport to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:59 am - 3:18 pm
PHX
-
UVF
11h 19m
1 stop
American Airlines Logo
3:48 pm - 12:59 am
UVF
-
PHX
12h 11m
1 stop
$550American Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
5:35 pm - 3:58 pm
PHX
-
UVF
19h 23m
1 stop
American Airlines Logo
4:58 pm - 9:04 am
UVF
-
PHX
19h 06m
2 stops
$555American Airlines
Fri, Feb 27 - Mon, Mar 2
American Airlines Logo
3:25 pm - 1:45 pm
PHX
-
UVF
19h 20m
1 stop
American Airlines Logo
3:28 pm - 7:31 am
UVF
-
PHX
19h 03m
2 stops
$560American Airlines
Tue, May 5 - Thu, May 7
American Airlines Logo
4:35 pm - 2:58 pm
PHX
-
UVF
19h 23m
1 stop
American Airlines Logo
2:45 pm - 11:55 pm
UVF
-
PHX
12h 10m
1 stop
$570American Airlines
Fri, Apr 3 - Thu, Apr 16
American Airlines Logo
4:35 pm - 2:58 pm
PHX
-
UVF
19h 23m
1 stop
American Airlines Logo
3:28 pm - 7:31 am
UVF
-
PHX
19h 03m
2 stops
$575American Airlines
Fri, Apr 3 - Thu, Apr 16
American Airlines Logo
4:35 pm - 2:58 pm
PHX
-
UVF
19h 23m
1 stop
American Airlines Logo
3:28 pm - 11:59 pm
UVF
-
PHX
11h 31m
1 stop
$580American Airlines
Fri, Apr 3 - Thu, Apr 16
American Airlines Logo
4:35 pm - 2:58 pm
PHX
-
UVF
19h 23m
1 stop
American Airlines Logo
3:28 pm - 7:31 am
UVF
-
PHX
19h 03m
2 stops
$585American Airlines
Fri, Apr 3 - Thu, Apr 16
American Airlines Logo
8:39 pm - 1:48 pm
PHX
-
UVF
14h 09m
2 stops
American Airlines Logo
3:28 pm - 7:31 am
UVF
-
PHX
19h 03m
2 stops
$656American Airlines
Fri, Apr 3 - Thu, Apr 16
American Airlines Logo
11:59 pm - 3:58 pm
PHX
-
UVF
12h 59m
2 stops
American Airlines Logo
4:58 pm - 9:04 am
UVF
-
PHX
19h 06m
2 stops
$669American Airlines
Fri, Feb 27 - Mon, Mar 2
JetBlue Logo
11:59 pm - 5:46 pm
PHX
-
UVF
14h 47m
1 stop
JetBlue Logo
6:52 pm - 9:36 am
UVF
-
PHX
17h 44m
1 stop
$691JetBlue
Sun, Apr 5 - Sun, Apr 12

JetBlue flights from Phoenix Sky Harbor Intl Airport to Castries

Our best JetBlue deals on Phoenix Sky Harbor Intl Airport to Castries flight tickets
JetBlue
Apr 5
PHX11:59 pmPhoenix Sky Harbor Intl
14h 47m
1 stop
UVF5:46 pmCastries Hewanorra
Apr 12
UVF6:52 pmCastries Hewanorra
17h 44m
1 stop
PHX9:36 amPhoenix Sky Harbor Intl
$691
JetBlue
Mar 27
PHX10:24 pmPhoenix Sky Harbor Intl
14h 37m
1 stop
UVF4:01 pmCastries Hewanorra
Apr 3
UVF6:52 pmCastries Hewanorra
28h 56m
1 stop
PHX8:48 pmPhoenix Sky Harbor Intl
$737
JetBlue
Apr 30
PHX9:20 pmPhoenix Sky Harbor Intl
14h 07m
1 stop
UVF2:27 pmCastries Hewanorra
May 4
UVF3:57 pmCastries Hewanorra
23h 25m
2 stops
PHX12:22 pmPhoenix Sky Harbor Intl
$800

American Airlines flights from Phoenix Sky Harbor Intl Airport to Castries

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Castries flight tickets
American Airlines
Feb 15
PHX10:55 pmPhoenix Sky Harbor Intl
14h 03m
1 stop
UVF3:58 pmCastries Hewanorra
Mar 2
UVF4:58 pmCastries Hewanorra
11h 01m
1 stop
PHX12:59 amPhoenix Sky Harbor Intl
$536
American Airlines
Feb 15
PHX11:56 pmPhoenix Sky Harbor Intl
11h 52m
1 stop
UVF2:48 pmCastries Hewanorra
Mar 2
UVF4:58 pmCastries Hewanorra
20h 12m
2 stops
PHX10:10 amPhoenix Sky Harbor Intl
$541
American Airlines
Feb 26
PHX12:59 amPhoenix Sky Harbor Intl
11h 19m
1 stop
UVF3:18 pmCastries Hewanorra
Mar 2
UVF3:48 pmCastries Hewanorra
12h 11m
1 stop
PHX12:59 amPhoenix Sky Harbor Intl
$550

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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 February 12, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Thu 2/26

12:59 am-3:18 pm

1 stop11h 19m

Castries Hewanorra

Mon 3/2

3:48 pm-12:59 am

1 stop12h 11m

$550

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Fri 2/27

5:35 pm-3:58 pm

1 stop19h 23m

Castries Hewanorra

Mon 3/2

4:58 pm-9:04 am

2 stops19h 06m

$555

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Tue 5/5

3:25 pm-1:45 pm

1 stop19h 20m

Castries Hewanorra

Thu 5/7

3:28 pm-7:31 am

2 stops19h 03m

$560

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Fri 4/3

4:35 pm-2:58 pm

1 stop19h 23m

Castries Hewanorra

Thu 4/16

2:45 pm-11:55 pm

1 stop12h 10m

$570

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Fri 4/3

4:35 pm-2:58 pm

1 stop19h 23m

Castries Hewanorra

Thu 4/16

3:28 pm-7:31 am

2 stops19h 03m

$575

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Fri 4/3

4:35 pm-2:58 pm

1 stop19h 23m

Castries Hewanorra

Thu 4/16

3:28 pm-11:59 pm

1 stop11h 31m

$580

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Fri 4/3

4:35 pm-2:58 pm

1 stop19h 23m

Castries Hewanorra

Thu 4/16

3:28 pm-7:31 am

2 stops19h 03m

$585

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Fri 4/3

8:39 pm-1:48 pm

2 stops14h 09m

Castries Hewanorra

Thu 4/16

3:28 pm-7:31 am

2 stops19h 03m

$656

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Fri 2/27

11:59 pm-3:58 pm

2 stops12h 59m

Castries Hewanorra

Mon 3/2

4:58 pm-9:04 am

2 stops19h 06m

$669

PhoenixCastries

PHX - UVF

PHXUVF

Phoenix Sky Harbor Intl

Sun 4/5

11:59 pm-5:46 pm

1 stop14h 47m

Castries Hewanorra

Sun 4/12

6:52 pm-9:36 am

1 stop17h 44m

$691

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport 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 month to fly to Castries?

The month of August is, on average, the cheapest month to fly to Castries from Phoenix Sky Harbor Intl Airport, with most prices found around $683. The month of September is another great option to travel to Castries, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $690.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Castries flights?

You could potentially save up to 36% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Castries flight.

When to book flights from Phoenix Sky Harbor Intl Airport to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Castries (PHX to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Castries

Fastest flight time

10h 34m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Castries takes 10h 34m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Castries. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Castries.
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Castries Hewanorra by plane?

    A flight from Phoenix Sky Harbor Intl to Castries Hewanorra will travel around 3452.0 mi. Flights usually cover this in 10h 34m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Castries Hewanorra Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Castries Hewanorra Airport refresh daily.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Castries Hewanorra Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Castries Hewanorra Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Castries Hewanorra Airport.

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

    The required travel and health documents for your Castries Hewanorra Airport 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 Castries Hewanorra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Castries?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Castries

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $609Free CancellationRating
7.2
11,267 reviews
Search American Airlines flights

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 Phoenix to Castries?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Castries. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Phoenix 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 Phoenix to Castries right now. Can momondo alert me if prices change?

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport