C$573 Cheap Flights from Phoenix (PHXA) to Castries (SLUA)

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Find the cheapest month or even day of the year to fly to Castries

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Find the cheapest month to fly from Phoenix to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Castries flights are currently cheapest in January.

Alternative Phoenix to Castries routes

Looking for the cheapest, fastest or easiest route from Phoenix to Castries? You could fly into the following airports instead.

Phoenix to Castries: Flight information

The things to know before you go.
Cheapest flight foundC$573
Cheapest month to flyJanuary

Finding cheap flights from Phoenix to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a return flight from Phoenix to Castries is C$1,054. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Phoenix to Castries. But we found flights with one or more stops from C$1,054.
As of June 2026, there are no flights flying from Phoenix to Castries.
The cheapest month to fly from Phoenix to Castries is usually December.
If you're flying from Phoenix, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from C$1,054.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Castries on Sunday, December 13, 2026.
No airlines currently offer direct flights between Phoenix and Castries. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 28°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
The cheapest airline that flies to Castries is Air Canada .

Flying from Phoenix to Castries: what you need to know

  • Phoenix's main base, Phoenix Sky Harbour International Airport (PHX), is where plenty of awesome adventures begin. Explore your departure options from here for your flight from Phoenix to Castries.

  • Arrive in Castries at Hewanorra Airport (UVF) or George F. L. Charles Airport (SLU).

  • Leave enough time to make your flight from Phoenix to Castries. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during high season in general.

  • You don't need a visa for Saint Lucia if you have a passport from United States and are travelling for tourism purposes. Visa and travel documentation requirements can change. So before organizing your cheap flights from Phoenix to Castries, be sure to check with your airline and your destination country's local embassy or consulate for the latest information.

Flying from Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • Think about adding a stopover to possibly find a cheaper flight from Phoenix to Castries. Simply uncheck 'Direct flights only' when browsing departures from Phoenix Sky Harbour International Airport. Take a pause at one of these popular options:

    • Philadelphia International Airport (PHL)

    • Newark Liberty International Airport (EWR)

    • Miami International Airport (MIA)

  • PHX is around 8 kilometres from central Phoenix. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 11 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be approximately 34 minutes.

  • Catching an early flight from Phoenix to Castries? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by picking one of these hotels close to Phoenix Sky Harbour International Airport:

Arriving in Castries

Hewanorra Airport (UVF)

  • Hewanorra Airport (UVF) is around 56 kilometres from the centre of Castries. With a car rental or if you're catching a cab, the drive is around 1 hour and 9 minutes.

  • If you're arriving on a late flight from Phoenix to Castries, nothing beats the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these hotels near UVF:

George F. L. Charles Airport (SLU)

  • Central Castries is around 3 kilometres from George F. L. Charles Airport (SLU). After your flight from Phoenix to Castries has hit the runway and you've navigated your way to arrivals, the drive should be around 6 minutes.

  • Public transport will get you there in about 40 minutes.

  • After your flight from Phoenix to Castries, rest your head at a hotel near SLU. These are some comfortable options that'll help you sink into relaxation mode:

How to find the cheapest flights from Phoenix to Castries

  • Right now, C$573 is the lowest price we've seen for a one-way ticket from Phoenix to Castries. The cheapest price for a return flight is C$1,054. Remember fares can change due to availability at the time of booking.

  • To score cheap flights from Phoenix to Castries, book ahead. Airlines typically offer the most competitive fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest tickets from Phoenix to Castries across the month. It's the best way to snap up a bargain if your plans aren't set in stone.

  • Set up a Price Alert for cheap flights from Phoenix to Castries. You don't need to check back in every day to see if prices have fallen. We'll tell you when there's a change in price.

  • Play around with filters to find your ideal journey. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Phoenix to Castries, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Best time to go to Castries

  • July is the most popular month for flights from Phoenix to Castries. To skip the crowds, go to Castries in May.

  • The warmest month in Castries is September, with the temperature ranging between 26ºC and 30ºC. Lock in your flights from Phoenix to Castries in this month if this is the type of weather you enjoy.

  • February has average temperatures of between 24ºC and 28ºC. Search for cheap flights from Phoenix to Castries around that time if you'd rather travel in cooler conditions.

More about Castries

  • Start your Castries trip off on the right foot by choosing the perfect place to stay. After booking your flight from Phoenix to Castries, browse our range of accommodation options including:

  • There are so many things to discover in this city it can be hard to work out where to start. Derek Walcott Square, Morne Fortune and Immaculate Conception Church are leading attractions which should feature on every Castries itinerary.

Complete your Castries trip with a car rental

  • Finding you a cheap flight from Phoenix to Castries isn't the only trick up our sleeve. Check out our car rentals in Castries and explore at your own pace. We find deals from trusted car rental providers and put them all in one place. You can instantly compare rates and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.