$201 Find Cheap Flights from Miami to Saint Lucia - Compare and Save

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Price, demand and travel trends for Miami to Saint Lucia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Are flights from Miami to Saint Lucia cheaper or more expensive than last year?

Fares from Miami to Saint Lucia are running about 8% higher than they were around this time last year, averaging $704 round-trip.

What are the cheapest fares from Miami to Saint Lucia right now?

The cheapest fare from Miami to Saint Lucia in the last week was $503 round-trip, to Castries Hewanorra (UVF).

What’s the cheapest month to fly from Miami to Saint Lucia?

April is the cheapest time of year to fly, with average fares of $661. Prices are highest in June, when average flight costs increase to around $933.

When is the best time to book flights from Miami to Saint Lucia?

Book your flights 13 weeks before your trip. KAYAK data collected over the past 12 months shows that booking in this window can save you around 49% compared to booking last-minute (within 2 weeks of departure).

Which airport in Saint Lucia is the cheapest to fly to from Miami?

Based on KAYAK data from the past 12 months, the cheapest airports to fly into Saint Lucia are:

• Castries George F. L. Charle (SLU) from $640
• Castries Hewanorra (UVF) from $765

What’s the cheapest day to fly from Miami to Saint Lucia?

Monday tends to be the cheapest day to fly from Miami to Saint Lucia, while Saturday is the most expensive. Fares run about 28% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Miami to Saint Lucia?

Data from the past 12 months shows it's cheapest to fly to Saint Lucia during the evening with average prices of $497. The night is the most expensive time to fly, with average prices of $927.

Key details for Miami to Saint Lucia flights

Low season

September

Cheapest flight

$201
Beat the crowds with an average 36% drop in travelers.
The most popular month to fly with an average 15% increase in travelers.
One-way flight from Miami to Castries

Your Miami to Saint Lucia flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Miami to Saint Lucia?

    Yes. Fares from Miami to Saint Lucia are low right now. As a rule of thumb, a round-trip under $640 (cheaper than most fares this year) is a good deal, so if you spot one at or below that, it's a good time to book.

  • How much should I budget for a flight from Miami to Saint Lucia?

    Over the past 12 months, round-trip fares from Miami to Saint Lucia have ranged from $640 to $990.

  • What are the main airports serving Saint Lucia?

    Flights to Saint Lucia use two main airports, Castries Hewanorra (UVF) and Castries George F. L. Charle (SLU).

  • What airlines fly nonstop from Miami to Saint Lucia?

    Based on the flight schedule for the next 3 months, just one airline regularly flies nonstop from Miami to Saint Lucia: American Airlines.

  • Is it cheaper to fly with a layover from Miami to Saint Lucia?

    Yes. Nonstop flights from Miami to Saint Lucia average $760 over the past 12 months. Flights with a layover can cost less, cheapest when connecting through Toronto Pearson Intl (YYZ) from $602 or Port of Spain Piarco Intl (POS) from $654.

  • How long is a flight from Miami to Saint Lucia?

    Flights from Miami to Saint Lucia take 3h 39m on average.

  • Which cabin classes are available on flights from Miami to Saint Lucia?

    On flights from Miami to Saint Lucia you can book Economy Class, Business Class or First Class.

  • What are the earliest and latest flights from Miami to Saint Lucia?

    The earliest nonstop flight from Miami to Saint Lucia departs at 8:15 am and the latest departs at 11:33 am. Nonstop flights take about 3h 39m.

  • How small is the George F.L. Charles Airport?

    The SLU airport is quite small, having just one small terminal that has a restaurant and a duty-free shop. This airport services small regional airlines that fly throughout the Caribbean. No jets fly into this airport. This airport which closes every day between 11 am and 6 pm, also has a currency exchange landside and information desk airside. If you want to rent a car from SLU, pre-book a rental with Island Cars and arrange for them to pick you up at the airport when you arrive.

  • What is the UVF airport like?

    UVF is a one-terminal airport that services planes from North America. You can find a few shops and restaurants, a currency exchange, and duty-free shopping. There is a hotel within a 2-minute walk from the airport, and in the airport you can pay to enter an exclusive lounge. This airport has rental car services on site.

  • Does MIA have a hotel on site?

    Yes. If you want to spend the night before your flight to St Lucia at the Miami Airport, consider staying at the Miami International Airport Hotel, located in MIA in the Central Terminal. If you don't want to stay at the airport but you have a few hours before your flight, feel free to rent a Day Use room from the hotel, where you can relax, reboot, and recharge before your flight.

  • Does MIA have private facilities for nursing mothers?

    Yes. Throughout the terminals, MIA has installed freestanding Mamava lactation suites. Each 4x8 fiberglass unit has a fold-down table, bench seating on either side, a coat hook, a mirror, a USB port, and an electrical socket.

Your guide to booking Miami to Saint Lucia flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you can plan ahead, the sweet spot for booking your flight is 13 weeks before your trip. KAYAK data shows fares in this window are around 49% lower than last-minute bookings (made within 2 weeks of departure). Not ready to commit? Set a Price Alert and we'll let you know when prices change.
  • If your travel dates are flexible, book your trip for April when flights are typically cheapest and avoid June when prices are at their highest.
  • Flying on Monday is usually the cheapest. Flights on Saturday cost about 28% more on average, so being flexible with your travel dates could help you save.
  • If you're looking to save, Castries George F. L. Charle (SLU) is the cheapest airport to fly into from Miami. If you have onward travel, don't forget to factor in the cost of your journey by train, bus or domestic flight.
  • Start your trip in Castries, which is the most popular destination in Saint Lucia. From there, it's easy to continue on to other popular destinations such as Soufrière, Gros Islet and Vieux Fort.
  • If you want the shortest trip, choose the Miami to Saint Lucia nonstop route. If you'd rather save money, the route via Toronto Pearson Intl (YYZ) is usually the cheapest.
  • The Miami International Airport (MIA) is a hub for several different airlines, including American Airlines. MIA also serves as a focus city for Frontier Airlines, Spirit Airlines, and other smaller airlines. When you book a flight from MIA to Saint Lucia, you will be landing it one of the island's two airports.
  • Located on the southern cape of San Lucia in the Caribbean, the Hewanorra International Airport (UVF) is the larger of the two airports on the island. You can catch a direct flight from MIA to UVF on American Airlines. Caribbean Airlines, Delta, and Iberia are among the carriers that offer one-stop flights from MIA to UVF. Layover locations include Charlotte, London, Atlanta, and Trinidad.
  • Two-stop flights from MIA to UVF are not necessarily cheaper than one-stop flights. Make sure you compare different options on KAYAK to see which flight works best for you. Some airlines that offer two-stop flights between MIA and UVF include American Airlines, Delta, Copa Airlines, and British Airways. Some stops include New York, Charlotte, Panama City, Trinidad, Boston, and London.
  • Located on the northwestern tip of Saint Lucia, the George F. L. Charles Airport (SLU) is the smaller of the two airports on St Lucia. You can usually find a two-stop flight from MIA to SLU on Caribbean Airlines, paired with other airlines such as air Air Antilles or Intercaribbean Airways. Layovers often occur in Trinidad and Barbados.
  • If you are traveling with children to St Lucia and you would like them to burn off excess energy before the flight, consider taking them to the designated play area at MIA, Plane Fun. This indoor playground is located near gate E5 on Concourse E and is designed to look like a kid-version of an airport.

Reviews of the top 3 airlines serving from Miami to Saint Lucia

 
Need help choosing which airline to fly with from Miami to Saint Lucia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Caribbean AirlinesOverall score based on 231 reviews
8.0Boarding
7.8Comfort
6.8Food
6.6Entertainment
8.3Crew
Airline reviews

Delayed for three hours. This seems to be CAL’s MO when flights aren’t filled until they fill it. Business class is nice but not luxe like other airlines. Lots of space and amazing staff.

6.0 GoodAnonymous, Mar 2026
Read more Caribbean Airlines reviews

Delayed for three hours. This seems to be CAL’s MO when flights aren’t filled until they fill it. Business class is nice but not luxe like other airlines. Lots of space and amazing staff.

Boarding the flight was smooth and the flight was not full so i had an extra seat essentially

There was no flight. They canceled the flight with no knowledge to me, and I still haven’t received a refund

The flight was delayed over a hour and that was over 15 hours in advance not good

At check in I had to pay for my seat that I already paid for on purchasing my ticket. The flight was over an hour late and the plane smelt gross.

Flight time. The crew was the rudest, talked down to customers, ignored requests, acted like security guards, used forceful language like must and can't. Everything was on purchase, no entertainment, unless you could use your own phone. Poor customer service.

The flight could'nt be better ,the comfort ,the crew and everything was good.i will definitely fly with this sirline again.

STEWARDESSES WERE AWESOME! The food could be a bit better. Rice was SOGGY with gravy and the chicken was RUBBERY.

I was treated well in first class. I have no complaints. I will definitely fly with my favourite airline again this year.

There was no music on the flights unless you came with your headset.

Every thing went smooth. No complaints except deplaning could have been quicker

I was grossly overcharged to change my return flight. Had to do it through Kayak because it was booked that way and I was not given the fare price listed at the time on JetBlue or kayak. Was traveling with another couple that booked directly through JetBlue and they paid the $100 change fee and the difference between what they paid originally(same as me) and the displayed fares and it was less than $400 total for two tickets. I paid almost $700 to change the same fare tickets they purchased and had to pay again for upgraded seat selection that I previously paid for on top of the almost $700 increase. Difficult to talk to the kayak representative because of his accent. Told me I had to wait for confirmation to be sure it had been changed and that I could take up to a few hours. The call itself after the wait time took almost 30 minutes, which could’ve been done directly on JetBlue in 2 to 3 minutes.. My husband and I were given separate boarding zones. They would not let us board together. I had to board in the last zone. They made me check my bag even though my husband told me that he had a spot to put my carry-on. Since he boarded before me. The flight crew tried to accommodate, but the woman that was boarding in the terminal came down and would not let me take my carry-on. She was aggressive, rude and condescending to everybody in line and told them she was being audited. When I told her that my husband had secured a spot for me to put my carry-on with his backpack, that would then move to under the seat. She told me that she couldn’t play favorites, although I was second to last to board the plane since my boarding zone was changed. They told me because I forwarded my husband his ticket that’s what separated our boarding zones, but would not allow us to board together. The volume on my TV would not work, and my upgraded seat would not go into the fully upright position so I was told repeatedly during takeoff and landing to put my chair into the upright position which was embarrassing and uncomfortable to be told assertively so many times. I will not book through kayak again.

I propose enhancing the legroom across the entire cabin seating area and expanding the snack selection. The airline companies should prioritize customer needs over the extravagant and unjustified salaries of upper management.

KUDOS TO ALL THE CREW PROVIDING ASSISTANCE WITH PASSENGERS ON A WHEELCHAIR. ON BOTH FLIGHTS THEY HUSTLED TO TAKE MY RELATIVE TO CONNECTION ON TIME. THEY DESERVE A LOT OF CREDIT!

My original flight was cancelled. My replacement flight was delayed over 2 hours. I lost my whole day in NY

Delays were crazy long (over an hour) both for boarding and baggage claim

awful expereince. boarding was a mess and not communicated, then we sat on a hot plane and were at risk of getting kicked off

2 hour delay and a lack of air conditioning on the plane. Not a good combination

First time flying JetBlue and my perception changed. Love it.

Poor, had a 5+ hours delay. Kept sitting in the aircraft with three kids. It was terrible

When there are many passengers who are going to miss a connecting flight, they always say please let them off first. But the flight attendant never manages that part of the process. It would be helpful if they would repeat that and stress that to the other passengers.

My boarding pass said gate E5. I arrived at gate E5 by 12:45pm. At 2:10pm, I received a phone call stating I was supposed to be at gate D37. They would not wait for me to get there (by the way, the plane was still there when I got to gate D37, but everything was closed and no one was at the door). The next flight at 7:40pm was sold out; was told I'd be put on the 9:47pm flight. I was so stressed, I became chokey (apparently I have mild asthma). By the grace of God, a lot of begging, and the customer service rep taking pity on me, I was able to get on a 4:50pm flight to Philadelphia.

Our flight was delayed to Louisville. What made this worse was they did not have another flight attendant to service the flight. This caused an even longer delay. Then when a flight attendant did show up, she chose to "swap" flights with another flight attendant. Therefore, we had to wait longer for the other flight attendant to come to our flight. This is information that the gate attendant should not have shared. Processes and execution at American are broken. Passengers are feeling it. Fixing this starts at the top of the organization.

Flight was on time. Boarding was smooth and orderly. Flight attendants were friendly and professional. Bags came out soon after arrival.

Due to weather AA chose the poor option of redirecting my next flight to Gol airlines after 23 hours of wait. Their desk is not open during the day. Seats don’t really recline so falling asleep is a horrible challenge. Only one meal for an overnight flight. Poor experience, cheap partnership.

It was ok because it’s a short flight. The attendants weren’t friendly and didn’t serve any beverages even through they announced that they would. Also. The attendants looked messy, not presentable

There was a 6 hours delay in our departure. And yet, no compensation was offered. A company should be responsible for such a delay.

The flight was delayed 4 hours, and when we finally boarded, they told us that the fuel was only just then checked. So, we waited even longer to take off.

Everything was done like clockwork and I find no fault with the airline.

Like all planes recently, entertainment is achieved by giving the patron free WiFi and letting them stream shows via the screen on a phone or tablet.

More options for your flight from Miami to Saint Lucia

Complete your trip to Saint Lucia with a hotel stay or car rental