Trip.com
>
Flights
>
Flights to Saint Lucia
>
Flights to Castries
>
Flights from Perth to Castries

Cheap flight deals from Perth to Castries

Find the cheapest flights from Perth to Castries within the next three months. Book one-way flights from $2,310 or round-trip tickets from $2,164.

  • Round-trip
  • One way

Deals on upcoming round-trip flights from Perth to Castries

Deals on upcoming one-way flights from Perth to Castries

Find More Flights
Find More Flights

Flight Info | Perth to Castries

The distance between Perth and Castries is about 17,998.33 km. The most popular month to Castries is March. The off-season for travel is April.

Cheapest one-way flight price $2,310
Cheapest return ticket price $2,164
Off-season for travel April
Peak season for travel March
Flight distance 17,998.33 km

When is the cheapest time to fly from Perth to Castries?

The best time to book the cheapest flights from Perth to Castries is between Aug 10 and Aug 17. One-way ticket prices start at $1,306 according to our flight calendar.

Cheapest flights
From price
Search
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Perth (PER) to Castries (SLU) the cheapest?

    Airlines adjust prices for flights from Perth to Castries based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Perth (PER) to Castries (SLU) cost?

    According to Trip.com's data, the lowest price is around $3,658.

  • How many airports are there in Castries (SLU)?

    There are 2 airport(s) near Castries (SLU): George F. L. Charles Airport and Hewanorra International Airport.

How to find a cheap flight from Perth to Castries

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Perth to Castries. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Perth to Castries ticket.
Tap "Date" on flight search bar to scan through the calender for Perth to Castries airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Fri, Jul 11 at $2310 for one-way flights.
2
Compare cheap Perth to Castries flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Perth to Castries. The cheapest airline operating is Qantas Airways.
3
Set up a Price Alert
By setting up a Price Alert for your Perth to Castries route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Perth to Castries flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Perth to Castries to get exclusive deals for you.

More Travel Options

  • Top Routes from Perth
  • Top Routes to Castries
  • Trending Airlines