Trip.com
>
Flights
>
Flights to Saint Lucia
>
Flights to Castries
Hotels in Castries
>
Flights from Miami to Castries

Search for direct flights from Miami to Castries in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$303, and round-trip direct flights start at US$873.

      • Cheapest nonstop
        MIA 10:00
        3h 50m
        Nonstop
        UVF 13:50
        Miami - Castries | Tue, Aug 4 | American Airlines
        UVF 14:50
        3h 57m
        Nonstop
        MIA 18:47
        Castries - Miami | Sat, Aug 8 | American Airlines
        US$873 US$1,840
        53% off
        53% off
        US$1,840 US$873
      • MIA 10:00
        3h 50m
        Nonstop
        UVF 13:50
        Miami - Castries | Tue, Jul 21 | American Airlines
        UVF 14:50
        3h 57m
        Nonstop
        MIA 18:47
        Castries - Miami | Thu, Jul 23 | American Airlines
        US$1,306 US$1,840
        28% off
        28% off
        US$1,840 US$1,306
      • MIA 13:05
        25h 15m
        1 stop
        UVF 14:20
        Miami - Castries | Sat, Jul 25 | Air Canada
        UVF 15:05
        29h 43m
        1 stop
        MIA 20:48
        Castries - Miami | Wed, Jul 29 | Air Canada
        US$574 US$1,840
        69% off
        69% off
        US$1,840 US$574
      • MIA 06:00
        8h 12m
        1 stop
        UVF 14:12
        Miami - Castries | Wed, Aug 5 | Delta Air Lines
        UVF 15:34
        17h 54m
        1 stop
        MIA 09:28
        Castries - Miami | Sun, Aug 9 | Delta Air Lines
        US$665
        64% off
        US$1,840 US$665
      • MIA 20:30
        17h 42m
        1 stop
        UVF 14:12
        Miami - Castries | Wed, Jul 22 | Delta Air Lines
        UVF 15:33
        9h 22m
        1 stop
        MIA 00:55
        Castries - Miami | Fri, Jul 24 | Delta Air Lines
        US$768
        57% off
        US$1,840 US$768
      • MIA 20:30
        17h 42m
        1 stop
        UVF 14:12
        Miami - Castries | Sat, Jul 25 | Delta Air Lines
        UVF 15:05
        29h 43m
        1 stop
        MIA 20:48
        Castries - Miami | Wed, Jul 29 | Air Canada
        US$774
        57% off
        US$1,840 US$774
      • MIA 15:10
        24h 25m
        1 stop
        SLU 15:35
        Miami - Castries | Sat, Jul 25 | Caribbean Airlines
        UVF 15:05
        29h 43m
        1 stop
        MIA 20:48
        Castries - Miami | Wed, Jul 29 | Air Canada
        US$784
        56% off
        US$1,840 US$784
      • MIA 15:00
        22h 16m
        1 stop
        UVF 13:16
        Miami - Castries | Wed, Jul 22 | American Airlines
        UVF 15:20
        31h 1m
        1 stop
        MIA 22:21
        Castries - Miami | Fri, Jul 24 | American Airlines
        US$816
        56% off
        US$1,840 US$816
      • MIA 19:55
        17h 21m
        1 stop
        UVF 13:16
        Miami - Castries | Wed, Aug 5 | American Airlines
        UVF 15:15
        29h 33m
        1 stop
        MIA 20:48
        Castries - Miami | Sun, Aug 9 | Air Canada
        US$838
        54% off
        US$1,840 US$838
      • MIA 07:57
        30h 23m
        1 stop
        UVF 14:20
        Miami - Castries | Sat, Jul 25 | American Airlines
        UVF 15:05
        29h 43m
        1 stop
        MIA 20:48
        Castries - Miami | Wed, Jul 29 | Air Canada
        US$967
        47% off
        US$1,840 US$967
      • MIA 13:30
        24h 50m
        1 stop
        UVF 14:20
        Miami - Castries | Mon, Jul 13 | American Airlines
        UVF 15:20
        24h 18m
        1 stop
        MIA 15:38
        Castries - Miami | Fri, Jul 17 | American Airlines
        US$1,195
        35% off
        US$1,840 US$1,195
      • MIA 19:25
        18h 47m
        1 stop
        UVF 14:12
        Miami - Castries | Mon, Jul 13 | Delta Air Lines
        UVF 15:33
        17h 57m
        1 stop
        MIA 09:30
        Castries - Miami | Fri, Jul 17 | Delta Air Lines
        US$1,227
        33% off
        US$1,840 US$1,227
      • MIA 13:00
        17h 25m
        1 stop
        SLU 14:00
        Miami - Castries | Tue, Jul 14 | Normal Airline
        SLU 15:00
        6h
        Nonstop
        MIA 16:00
        Castries - Miami | Thu, Jul 16 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        MIA 10:05
        3h 44m
        Nonstop
        UVF 13:49
        Miami - Castries | Thu, Aug 27 | American Airlines
        US$303 US$1,015
        70% off
        70% off
        US$1,015 US$303
      • MIA 10:00
        3h 50m
        Nonstop
        UVF 13:50
        Miami - Castries | Thu, Aug 6 | American Airlines
        US$352 US$1,015
        65% off
        65% off
        US$1,015 US$352
      • MIA 15:10
        23h 25m
        1 stop
        SLU 14:35
        Miami - Castries | Tue, Jul 14 | Caribbean Airlines
        US$206 US$1,015
        80% off
        80% off
        US$1,015 US$206
      • MIA 21:45
        16h 35m
        1 stop
        UVF 14:20
        Miami - Castries | Sat, Aug 29 | Air Canada
        US$265
        74% off
        US$1,015 US$265
      • MIA 13:05
        25h 5m
        1 stop
        UVF 14:10
        Miami - Castries | Tue, Jul 28 | Air Canada
        US$271
        73% off
        US$1,015 US$271
      • MIA 15:10
        7h
        1 stop
        SLU 22:10
        Miami - Castries | Thu, Jul 30 | Caribbean Airlines
        US$271
        73% off
        US$1,015 US$271
      • MIA 15:10
        7h
        1 stop
        SLU 22:10
        Miami - Castries | Thu, Jul 16 | Caribbean Airlines
        US$279
        73% off
        US$1,015 US$279
      • MIA 15:10
        17h
        1 stop
        SLU 08:10
        Miami - Castries | Sat, Jul 18 | Caribbean Airlines
        US$280
        72% off
        US$1,015 US$280
      • MIA 21:45
        16h 25m
        1 stop
        UVF 14:10
        Miami - Castries | Sat, Jul 25 | Air Canada
        US$283
        72% off
        US$1,015 US$283
      • MIA 21:45
        16h 35m
        1 stop
        UVF 14:20
        Miami - Castries | Tue, Aug 4 | Air Canada
        US$293
        71% off
        US$1,015 US$293
      • MIA 15:10
        7h
        1 stop
        SLU 22:10
        Miami - Castries | Thu, Aug 27 | Caribbean Airlines
        US$295
        71% off
        US$1,015 US$295
      • MIA 15:10
        23h 25m
        1 stop
        SLU 14:35
        Miami - Castries | Tue, Aug 4 | Caribbean Airlines
        US$720
        28% off
        US$1,015 US$720
      • MIA 13:00
        17h 25m
        1 stop
        SLU 14:00
        Miami - Castries | Tue, Jul 14 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Miami to Castries are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Cheapest airlines flights from Miami to Castries

You can choose from 1 airlines that fly from Miami to Castries, including American Airlines, American Airlines has lowest fares on this route.
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Miami to Castries according to previous 12 months data from Trip.com.

Miami to Castries Flight Details

The distance between Miami and Castries is about 2,399.32 km. The average flying time from Miami to Castries is around 3 hours 50 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$206
Cheapest return ticket priceUS$574
Cheapest monthNovember
Peak season for travelJuly
Flight distance2,399.32 km
Average flight time3 hours 50 minutes
Popular airlineAmerican Airlines
Flight statistics for the Miami–Castries route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Miami to Castries (MIA-SLU)?

    Based on Trip.com data, Caribbean Airlines offers one-way fares as low as US$206 on Cheapest nonstop routes (e.g. MIA to SLU on Tue, Jul 14), while Air Canada offers Cheapest nonstop round-trips from US$574 departing on Sat, Jul 25 and returning on Wed, Jul 29.
  • 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 about 3 hours 50 minutes to fly from Miami to Castries.
  • 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 12 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 (12:29)
  • To find best deals on flights from Miami to Castries, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jul 14, with one-way flights priced at just US$206.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Castries travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Miami to Castries is November, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Miami to Castries on July 30, 2026 with Caribbean Airlines, with prices starting at US$257.
  • 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: George F. L. Charles Airport (SLU) Hewanorra International Airport (UVF).
  • 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.

Trip.com Airline Insights on Flights from Miami to Castries

How many flights fly from Miami to Castries daily?

The data is based on the flight numbers for each day of the week from Miami to Castries within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Miami to Castries is the highest on Saturday and the lowest on Monday/Wednesday.

10
7
4
1
Highest
4
Mon
8
Tue
4
Wed
8
Thu
5
Fri
10
Sat
5
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.