Cheap Flights from Austin to Castries
No deal from Austin to Castries has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Austin to Castries, the lowest round-trip fare we recorded was $983, in September. The typical fare was $1521. September was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $1476 on JetBlue and Winair, seen Oct 27. It is an unverified observation and may have changed.
See every deal <a href="/from/austin">from Austin</a>, <a href="/to/castries">to Castries</a>, or the return direction <a href="/from/castries/to/austin">Castries to Austin</a>.
Latest price we saw: Austin to Castries
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 |
|---|---|---|---|---|---|---|
| Austin (AUS) to Castries (SLU) | $1476 | 28.6¢ | Dec 20 – Dec 28 | JetBlue and Winair | Oct 27 | Check price |
Price history: Austin to Castries
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1419 | $1508 | 17 |
| Sep 2026 | $983 | $1549 | 17 |
| Aug 2026 | $1159 | $1521 | 26 |
| Jul 2026 | $1505 | $1505 | 1 |
Frequently asked questions
How many flight deals from Austin to Castries are on Sparkflights right now?
There are 0 verified deals from Austin to Castries on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Austin to Castries?
The lowest fare we've recorded from Austin to Castries is $983, based on 61 price observations over 4 months.
How much does a flight from Austin to Castries cost?
The typical round-trip fare we observed from Austin to Castries is $1521, against a recorded low of $983. These are observations, not quotes.
When is the cheapest month to fly Austin to Castries?
September was the cheapest month we observed from Austin to Castries and July the dearest, over 4 months of data.
What is the current price from Austin to Castries?
The most recent fare our sweep saw from Austin to Castries is $1476, on Oct 27. It is an unverified observation rather than a verified deal, so check it before booking.