Cheap flights from Key West, FL to Saint Lucia, St. Lucia
Flights starting at £227. Choose between Silver Airways, JetBlue Airways, or interCaribbean Airways to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Saint Lucia
Cheapest one-way trip | £287 |
---|---|
Cheapest round-trip | £658 |
Average round-trip | £712 |
Includes rare itinerary | |
Most popular airline | Silver Airways |
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at George F. L. Charles, or Hewanorra International. The most popular airlines for this route are Silver Airways, JetBlue Airways, interCaribbean Airways, Spirit Airlines, and Air Canada. Key West and Saint Lucia have 167 direct flights per week.
Check-in for a flight from Key West to Saint Lucia
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
interCaribbean Airways | IWY | JY | No | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Air Canada | ACA | AC | Yes | No |
Weather in Saint Lucia
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 27°C | 25°C |
February | 27°C | 24°C |
March | 27°C | 24°C |
April | 28°C | 25°C |
May | 29°C | 26°C |
June | 29°C | 26°C |
July | 29°C | 26°C |
August | 29°C | 26°C |
September | 30°C | 27°C |
October | 29°C | 26°C |
November | 28°C | 26°C |
December | 28°C | 25°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Key West
- Flights from Key West to London
- Flights from Key West to Orlando
- Flights from Key West to Hamilton
- Flights from Key West to New Orleans
- Flights from Key West to San Juan
- Flights from Key West to Las Vegas
- Flights from Key West to Glasgow
- Flights from Key West to Nashville
- Flights from Key West to Denver
- Flights from Key West to Manchester
- Flights from Key West to New York
- Flights from Key West to Chicago
- Flights from Key West to Miami
- Flights from Key West to Los Angeles
- Flights from Key West to Atlanta
- Flights from Key West to Mexico City
- Flights from Key West to Bogotá
- Flights from Key West to Dallas
- Flights from Key West to Phoenix
- Flights from Key West to Philadelphia
Flights to Saint Lucia
- Flights from London to Saint Lucia
- Flights from Dublin to Saint Lucia
- Flights from Antigua to Saint Lucia
- Flights from Bridgetown to Saint Lucia
- Flights from New York to Saint Lucia
- Flights from St George's to Saint Lucia
- Flights from Manila to Saint Lucia
- Flights from Bucharest to Saint Lucia
- Flights from Paris to Saint Lucia
- Flights from San Juan to Saint Lucia
- Flights from Dallas to Saint Lucia
- Flights from Kingston to Saint Lucia
- Flights from Port of Spain to Saint Lucia
- Flights from Marrakesh to Saint Lucia
- Flights from Amsterdam to Saint Lucia
- Flights from Belize City to Saint Lucia
- Flights from Athens to Saint Lucia
- Flights from Lisbon to Saint Lucia
- Flights from Malta to Saint Lucia
- Flights from Edinburgh to Saint Lucia
Popular routes
- Flights from London to Alicante
- Flights from Islamabad to Chiang Mai
- Flights from Puerto Plata to Vilnius
- Flights from Dublin to Baton Rouge
- Flights from Monastir to New York
- Flights from Knoxville to Timișoara
- Flights from Taipei to Bellingham
- Flights from Medellín to Phú Quốc
- Flights from Muscle Shoals to Casablanca
- Flights from Long Beach to Zagreb
- Flights from London to Tirana
- Flights from Governador Valadares to Malé
- Flights from Florianópolis to Port Elizabeth