Cheap Flights from San Francisco (SFO) to Key West (EYW)

Popular airlines from San Francisco International Airport (SFO) to Key West Intl. Airport (EYW)

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Find the cheapest month to fly from San Francisco (SFO) to Key West (EYW)

November is typically the cheapest month to fly

From £170 - £811 per traveller.

Graph displaying average flight prices per month

Flight from San Francisco to Key West route information
Origin airport
San Francisco Intl.
Destination airport
Key West Intl.
Distance
4071 km

Compare flights from San Francisco to Key West easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Key West. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Key West Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Key West Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Key West Intl. (EYW)

The easiest way to view the best deals on flights from San Francisco to Key West today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Key West Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and Key West
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to Key West flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Key West Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from SFO to Key West Intl. Airport (EYW)?
Round-trip journeys between SFO and Key West Intl. Airport start from . This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to EYW?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from SFO to Key West Intl. Airport (EYW) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to EYW flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SFO to EYW?
With a flight distance of 4,100 kilometres between San Francisco and Key West, this is a long-haul journey. Make sure you drink plenty of water and move around the cabin every now and then.
Which airlines fly direct from SFO to Key West Intl. Airport (EYW)?
You won't find any airlines flying directly between San Francisco Airport and Key West Intl. Airport (EYW), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are SFO to Key West Intl. Airport (EYW) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some super cheap airfares from San Francisco Airport to Key West Intl. Airport showing up a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices so far in advance.

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