The cheapest times to fly from LGA to SLU are

  • January 8th to February 11th
  • March 19th to April 1st
  • April 16th to June 3rd (except the weeks of May 7th and May 21st)
  • September 3rd to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LGA to SLU is late October. Prices can be as high as $1252 for Sunday flights during late December, or as low as $628 for Tuesday flights around late October.


When to Fly to Saint Lucia

Flying from New York, NY (LGA) to St. Lucia (SLU) will usually cost between $682 to $1119 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $695. Due to high demand the most expensive time to fly is late December, with an average price of $1104. Planning your trip to low-cost times can easily save you $409 on economy flights and even more on first-class flights. Generally, any price below $789 can be considered a good price for a round-trip LGA to SLU flight.

See below for a graph of average weekly prices for the LGA to SLU route. All prices are for round-trip tickets in USD.

LGA to SLU Flight Prices

Compared to other flights, the LGA to SLU flight is cheaper than the average and costs less than the average flight leaving from New York. The average price per mile (for a direct flight) is $0.24, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to Saint Lucia, and Wednesdays are the most expensive days to return to New York. Selecting flights on the least expensive days could save you up to $362 (25%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $748. Return trip prices are from the SLU to LGA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LGA to SLU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 35 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from LGA to SLU while comparing.

Destination alternative #1: Maurice Bishop International Airport (GND) in Grenada

  • 149 miles (240 km) away from SLU
  • Usually 38.68% less expensive than SLU
  • 1-layover flights available

See LGA to GND flights

Destination alternative #2: Hewanorra International Airport (UVF) in St. Lucia

  • 20 miles (32 km) away from SLU
  • Usually 30.12% less expensive than SLU
  • 1-layover flights available

See LGA to UVF flights

Destination alternative #3: Grantley Adams International Airport (BGI) in Barbados/Bridgetown

  • 120 miles (193 km) away from SLU
  • Usually 36.14% less expensive than SLU
  • 1-layover flights available

See LGA to BGI flights

Destination alternative #4: Martinique Aime Cesaire Airport (FDF) in Fort de France

  • 39 miles (63 km) away from SLU
  • Usually 8.62% less expensive than SLU
  • 1-layover flights available

See LGA to FDF flights

Destination alternative #5: E. T. Joshua Airport (SVD) in St. Vincent

  • 62 miles (100 km) away from SLU
  • Usually 5.39% less expensive than SLU
  • 1-layover flights available

See LGA to SVD flights

Destination alternative #6: Douglas Charles Airport (DOM) in Marigot

  • 107 miles (172 km) away from SLU
  • Usually 3.74% less expensive than SLU
  • 2-layover flights available

See LGA to DOM flights


Flight Hacking LGA to SLU

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LGA to SLU — but Champion Traveler does!

Hack #1: Port of Spain (LGA > POS > SLU)

  • Price for both tickets: $712
  • Average savings: $77 (9.7%)

See LGA to POS flights


Flight Questions Answered

Still have questions about flying from LGA to SLU? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, Air France, Caribbean Airlines, Delta, JetBlue, LIAT, United, and potentially more during busy seasons.

How far away is it from George F Charles Airport to LaGuardia Airport?

The distance between the two airports is roughly 2005 miles or 3227 kilometers.

How long does it take to fly from LGA to SLU?

The real-world flight time for a nonstop LGA to SLU flight is about 4 hour 35 minutes.

How many flights go between New York, NY and St. Lucia?

It depends on the day of the week and the date, but a typical day might have around 43 available flights from LGA to SLU.


Airport Location Info


Departing Airport

Origination code LGA
Origination airport name LaGuardia Airport
City New York, NY
Country the United States
Latitude 40.8
Longitude -73.9

Return Airport

Destination code SLU
Destination airport name George F Charles Airport
City St. Lucia
Country St Lucia
Latitude 14
Longitude -61


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.