Cheap Flights from Castries to Sydney
No deal from Castries to Sydney has cleared our price bar yet. What we have seen on the route is below.
Across 2 months of observations from Castries to Sydney, the lowest round-trip fare we recorded was $6180, in October. The typical fare was $9618. October was the cheapest month we saw and September the dearest.
The most recent price we saw on this route was $6180 on Air Canada and Caribbean Airlines, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/castries">from Castries</a>, <a href="/to/sydney">to Sydney</a>, or the return direction <a href="/from/sydney/to/castries">Sydney to Castries</a>.
Latest price we saw: Castries to Sydney
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Castries (SLU) to Sydney (SYD) | $6180 | 30.9¢ | Oct 22 – Oct 28 | Air Canada and Caribbean Airlines | Oct 17 | Check price |
Price history: Castries to Sydney
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $6180 | $9543 | 3 |
| Sep 2026 | $8200 | $9692 | 2 |
Frequently asked questions
How many flight deals from Castries to Sydney are on Sparkflights right now?
There are 0 verified deals from Castries to Sydney on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Castries to Sydney?
The lowest fare we've recorded from Castries to Sydney is $6180, based on 5 price observations over 2 months.
How much does a flight from Castries to Sydney cost?
The typical round-trip fare we observed from Castries to Sydney is $9618, against a recorded low of $6180. These are observations, not quotes.
When is the cheapest month to fly Castries to Sydney?
October was the cheapest month we observed from Castries to Sydney and September the dearest, over 2 months of data.
What is the current price from Castries to Sydney?
The most recent fare our sweep saw from Castries to Sydney is $6180, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.