Cheap flights from Philadelphia to Saint Lucia from $166
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Saint Lucia departing on 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Philadelphia to Saint Lucia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Saint Lucia?
The month of September is, on average, the cheapest month to fly to Saint Lucia from Philadelphia, with most prices found around $435. If you aren’t able to travel to Saint Lucia during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $520.
What is the cheapest day to depart on your flight to Saint Lucia?
Our data shows that Wednesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $680. On the other hand, Saturday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $796.
What is the cheapest time of day to depart on your flight to Saint Lucia?
Our data shows that the cheapest Philadelphia to Saint Lucia flights are usually those with departure times in the morning. Our users have found flights to Saint Lucia in the morning for as low as $765. Flights in the afternoon are often more expensive with an average ticket price of $800.
What is the cheapest Philadelphia to Saint Lucia flight route?
Fly from Philadelphia to Castries Hewanorra for the best Philadelphia - Saint Lucia flight prices
What is the cheapest airline that flies from Philadelphia to Saint Lucia?
Air Canada, Delta, and American Airlines are the most popular carriers operating from Philadelphia to Saint Lucia
What airlines fly to Saint Lucia?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Lucia from Philadelphia according to our data. American Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 4 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.
Cheap Philadelphia to Saint Lucia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Saint Lucia
When did momondo last update prices for flights from Philadelphia Airport to Saint Lucia?
Prices for flights from Philadelphia Airport to Saint Lucia refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Saint Lucia?
As of May 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Saint Lucia.
How old do you have to be to fly from Philadelphia Airport to Saint Lucia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Philadelphia to Saint Lucia?
Based on momondo bookings for flights between Philadelphia and Saint Lucia, the leading plane model is Airbus A321neo, making up 49.21% of the total bookings. Other popular models include Airbus A321-100/200 with 46.03%, Airbus A319 with 1.59%, and Boeing 737-700 with 1.59%.
Best airlines flying from Philadelphia to Saint Lucia
Compare and see reviews for airlines that fly from Philadelphia to Saint Lucia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $435 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $465 | Free Cancellation | Rating 8.0 7,934 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Saint Lucia?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Saint Lucia for you.
Can I find flights from Philadelphia to Saint Lucia with flexible booking policies on momondo?
All flight searches from Philadelphia to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Philadelphia to Saint Lucia?
momondo helps you find the best flight between Philadelphia and Saint Lucia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Philadelphia to Saint Lucia right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Saint Lucia, momondo offers a useful price alert feature which will track prices for flights to Saint Lucia from Philadelphia and alert you when they change.