Find cheap airlines flights from Miami to Castries

Choose from 1 carriers that fly from Miami to Castries, including American Airlines, Enjoy the cheapest tickets on this route with American Airlines.

Book direct flights from Miami to Castries: One way flights from $231, round trip flights from $701. Find flight deals for the next 3 months below.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Miami to Castries

The distance between Miami and Castries is about 2,399.32 km. It takes around 3 hours 35 minutes on average to fly from Miami to Castries. The most popular month to Castries is July. The off-season for travel is November.

Cheapest one-way flight price$144
Cheapest round-trip ticket price$522
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,399.32 km
Average flight time3 hours 35 minutes
Popular airlineAmerican Airlines

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

The cheapest time for Miami to Castries flights: Jan 4 to Jan 11 — one way flight prices from $143.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Miami to Castries?

    At the moment, you can catch a nonstop flight from Miami to Castries with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 35 minutes to fly from Miami (MIA) to Castries (SLU).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Miami to Castries is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 11 flight per week flying from Miami to Castries. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA2959 (12:13)
  • The cheapest months to fly from Miami to Castries is November, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Miami to Castries on November 28, 2025 with Frontier Airlines, with prices starting at $143.
  • You can land at any one of the following hubs in Castries, with Miami International Airport to Hewanorra International Airport (MIA-UVF) is by far the most common option on this route: Hewanorra International Airport (UVF) George F. L. Charles Airport (SLU).
  • The time difference between Castries and Miami is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.