Cheap flights from San Francisco to Saint Lucia from $218
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Saint Lucia departing on 11/25. 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 San Francisco 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 day to depart on your flight to Saint Lucia?
Our data shows that Tuesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $584. On the other hand, Saturday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,112.
What is the cheapest time of day to depart on your flight to Saint Lucia?
Our data shows that the cheapest San Francisco to Saint Lucia flights are usually those with departure times in the afternoon. Our users have found flights to Saint Lucia in the afternoon for as low as $686. Flights in the morning are often more expensive with an average ticket price of $1,115.
What is the cheapest airline that flies from San Francisco to Saint Lucia?
American Airlines, WestJet, and JetBlue are the most popular carriers operating from San Francisco to Saint Lucia
What airlines fly to Saint Lucia?
American Airlines, Delta and JetBlue are the top three most popular airlines that fly to Saint Lucia from San Francisco according to our data. American Airlines is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 3 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.
Cheap San Francisco to Saint Lucia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Saint Lucia
When did momondo last update prices for flights from San Francisco Airport to Saint Lucia?
Prices for flights from San Francisco Airport to Saint Lucia refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Saint Lucia?
There are 3 operators available for flights from San Francisco Airport to Saint Lucia as of July 2025.
How old do you have to be to fly from San Francisco Airport to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The necessary travel and health documents for your Saint Lucia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from San Francisco to Saint Lucia
Compare and see reviews for airlines that fly from San Francisco to Saint Lucia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $425 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $517 | Free Cancellation | Rating 8.0 7,954 reviews | |||
| PriceFrom $529 | Free Cancellation | Rating 7.3 2,909 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to Saint Lucia?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Lucia from San Francisco.
Can I find flights from San Francisco to Saint Lucia with flexible booking policies on momondo?
momondo does allow users to show only those flights to Saint Lucia from San Francisco which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Francisco to Saint Lucia?
Once you have performed a search for San Francisco to Saint Lucia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from San Francisco to Saint Lucia right now. Can momondo alert me if prices change?
Yes. momondo can track prices for San Francisco to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.