Cheap flights from San Francisco to Key West (SFO - EYW) from $148

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 45% on your flight compared to booking on days when demand is much higher.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 20 days in advance, which can save you up to 41% on flights from San Francisco to Key West compared to booking the week you need them. Waiting 20 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $626. For sooner than that we have options available in the next 3 days from $874.

Our data shows that January tends to be the cheapest month to fly to Key West from San Francisco. Users have commonly found prices around $670 for the month, but tickets can be as low as $350. Due to multiple factors, prepare for potentially higher prices in November.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Key West in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight at noon.

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Delta flying from San Francisco to Key West have implemented new flexible cancellation policies.

Yes, there are multiple flights from San Francisco to Key West for under $400. The cheapest flight booked recently is on American Airlines for just $331, but on average you can expect to pay $438.

There are currently 14+ open flights from San Francisco to Key West within the next 7 days for less than $800.

Cheapflights users have booked flights from San Francisco to Key West round-trip from $331. Another airline that can offer you cheap pricing is Delta. Users have found that American Airlines is 50% cheaper than the other options available to this destination.

One-way options have recently been found by users for as low as $165 on American Airlines. Other airlines that offer cheap prices include United Airlines from $216 and Delta from $617 one-way.

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from San Francisco to Key West.

The cheapest flight price from San Francisco to Key West is $189. On average you can expect to pay $958. The most popular route, (San Francisco - Key West), can usually be booked for $331.

SFO stands for San Francisco Airport, while EYW stands for Key West Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.