Title: Cheap Flights from San Francisco to Key West (SFO to EYW) - Expedia.co.uk ![](https://images.trvl-media.com/place/1187/a7c3fad3-5f12-4d91-8996-ed0e1b61b0a3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1187/a7c3fad3-5f12-4d91-8996-ed0e1b61b0a3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from San Francisco (SFO) to Key West (EYW) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from San Francisco International Airport (SFO) to Key West Intl. Airport (EYW) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:eyw,departure:29/09/2025TANYT&leg2=from:eyw,to:sfo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:eyw,departure:29/09/2025TANYT&leg2=from:eyw,to:sfo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:eyw,departure:29/09/2025TANYT&leg2=from:eyw,to:sfo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:eyw,departure:29/09/2025TANYT&leg2=from:eyw,to:sfo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from San Francisco (SFO) to Key West (EYW) ### November is typically the cheapest month to fly From £168 - £802 per traveller. 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](https://www.expedia.co.uk/service/?langid=1033). ### 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. ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from San Francisco - [San Francisco to Newark Liberty Intl. Airport (SFO - EWR)](https://expedia.co.uk/lp/flights/sfo/ewr/san-francisco-to-newark-liberty-intl-airport) - [San Francisco to Los Angeles (SFO - LAX)](https://expedia.co.uk/lp/flights/sfo/lax/san-francisco-to-los-angeles) - [San Francisco to London (SFO - LCY)](https://expedia.co.uk/lp/flights/sfo/lcy/san-francisco-to-london) - [San Francisco to Honolulu (SFO - HNL)](https://expedia.co.uk/lp/flights/sfo/hnl/san-francisco-to-honolulu) - [San Francisco to Barcelona (SFO - BCN)](https://expedia.co.uk/lp/flights/sfo/bcn/san-francisco-to-barcelona) - [San Francisco to New York (SFO - JFK)](https://expedia.co.uk/lp/flights/sfo/jfk/san-francisco-to-new-york) - [San Francisco to Dublin (SFO - DUB)](https://expedia.co.uk/lp/flights/sfo/dub/san-francisco-to-dublin) - [San Francisco to Nice (SFO - NCE)](https://expedia.co.uk/lp/flights/sfo/nce/san-francisco-to-nice) - [San Francisco to Athens (SFO - ATH)](https://expedia.co.uk/lp/flights/sfo/ath/san-francisco-to-athens) - [San Francisco to Papeete (SFO - PPT)](https://expedia.co.uk/lp/flights/sfo/ppt/san-francisco-to-papeete) - [San Francisco to London (SFO - LHR)](https://expedia.co.uk/lp/flights/sfo/lhr/san-francisco-to-london) - [San Francisco to Lisbon (SFO - LIS)](https://expedia.co.uk/lp/flights/sfo/lis/san-francisco-to-lisbon) ### Top Routes to Key West - [London to Key West (LCY - EYW)](https://expedia.co.uk/lp/flights/lcy/eyw/london-to-key-west) - [Miami to Key West (MIA - EYW)](https://expedia.co.uk/lp/flights/mia/eyw/miami-to-key-west) - [Edinburgh to Key West (EDI - EYW)](https://expedia.co.uk/lp/flights/edi/eyw/edinburgh-to-key-west) - [New York to Key West (JFK - EYW)](https://expedia.co.uk/lp/flights/jfk/eyw/new-york-to-key-west) - [Dublin to Key West (DUB - EYW)](https://expedia.co.uk/lp/flights/dub/eyw/dublin-to-key-west) - [Birmingham to Key West (BHX - EYW)](https://expedia.co.uk/lp/flights/bhx/eyw/birmingham-to-key-west) - [London to Key West (LHR - EYW)](https://expedia.co.uk/lp/flights/lhr/eyw/london-to-key-west) - [Orlando to Key West (MCO - EYW)](https://expedia.co.uk/lp/flights/mco/eyw/orlando-to-key-west) - [Pittsburgh to Key West (PIT - EYW)](https://expedia.co.uk/lp/flights/pit/eyw/pittsburgh-to-key-west) - [Manchester to Key West (MAN - EYW)](https://expedia.co.uk/lp/flights/man/eyw/manchester-to-key-west) - [London to Key West (LGW - EYW)](https://expedia.co.uk/lp/flights/lgw/eyw/london-to-key-west) - [Belfast to Key West (BHD - EYW)](https://expedia.co.uk/lp/flights/bhd/eyw/belfast-to-key-west) ### Top Routes from San Francisco - [Alaska Airlines San Francisco to Honolulu](https://expedia.co.uk/lp/flight-routes/alaska-airlines-from-san-francisco-intl-to-daniel-k-inouye-intl/as/sfo/hnl) - [Virgin Atlantic San Francisco to London](https://expedia.co.uk/lp/flight-routes/virgin-atlantic-from-san-francisco-intl-to-heathrow/vs/sfo/lhr) ### Top Routes to Key West - [American Airlines New York to Key West](https://expedia.co.uk/lp/flight-routes/american-airlines-from-john-f-kennedy-intl-to-key-west-intl/aa/jfk/eyw) ### Top Flight Destinations - 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