Title: Cheap Flights from Siena (SAY) to San Francisco (SFO) - Expedia.ca

![Sunset view of the Golden Gate Bridge and fog from Battery Spencer, Golden Gate National Recreation Area, in San Francisco, California.](https://images.trvl-media.com/place/508803/0ac688ba-e7fa-4fb1-9f85-037d98869bf8.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/508803/0ac688ba-e7fa-4fb1-9f85-037d98869bf8.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

#  Cheap Flights from Siena (SAY) to San Francisco (SFO)

- [Roundtrip](?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 Ampugnano Airport (SAY) to San Francisco International Airport (SFO)

- ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg)  
Air Canada  
[](https://www.expedia.ca/Flights-Search?leg1=from:SAY,to:SFO,departure:31/12/2025TANYT&leg2=from:SFO,to:SAY,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}])
- ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg)  
WestJet  
[](https://www.expedia.ca/Flights-Search?leg1=from:SAY,to:SFO,departure:31/12/2025TANYT&leg2=from:SFO,to:SAY,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}])
- ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg)  
Flair Airlines  
[](https://www.expedia.ca/Flights-Search?leg1=from:SAY,to:SFO,departure:31/12/2025TANYT&leg2=from:SFO,to:SAY,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}])
- ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg)  
American Airlines  
[](https://www.expedia.ca/Flights-Search?leg1=from:SAY,to:SFO,departure:31/12/2025TANYT&leg2=from:SFO,to:SAY,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])
- ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg)  
United  
[](https://www.expedia.ca/Flights-Search?leg1=from:SAY,to:SFO,departure:31/12/2025TANYT&leg2=from:SFO,to:SAY,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])
- ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg)  
Delta  
[](https://www.expedia.ca/Flights-Search?leg1=from:SAY,to:SFO,departure:31/12/2025TANYT&leg2=from:SFO,to:SAY,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])
- ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg)  
Porter Airlines  
[](https://www.expedia.ca/Flights-Search?leg1=from:SAY,to:SFO,departure:31/12/2025TANYT&leg2=from:SFO,to:SAY,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}])

- ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)  
###  
Be in the know  
Get alerts if flight prices drop or rise\*
- ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)  
###  
Book smarter  
Save up to 30% on select hotels after you book a flight\*
- ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg)  
###  
Earn twice  
Earn your airline miles on top of our rewards  
[Sign in](https://www.expedia.ca/login)

__Flight from Siena to San Francisco (SAY - SFO) route information__
| Origin airport      | Ampugnano           |
| ------------------- | ------------------- |
| Destination airport | San Francisco Intl. |
| Distance            | 9821 km             |

## Sovicille to San Francisco Flights

**The easy way to book your flights from Siena to San Francisco** 

With Expedia, it’s simple to find and book flights to San Francisco from Siena whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to San Francisco Intl., too. 

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Siena to San Francisco today, tomorrow, or this week. 

**Save dollars with cheap flights from Ampugnano, SAY to San Francisco Intl., SFO** 

Sort your search results by price to find great deals on your flight from Siena to San Francisco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Francisco from Siena currently is just rising to . 

Here are more money-saving tips: 

- Fly in when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to San Francisco
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!

**Reasons to choose Expedia for your flight to San Francisco from Siena** 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Francisco with Expedia today.

## Frequently asked questions

### How much is a flight from SAY to SFO?

### Do I need to pay a cancellation fee if I cancel my flight from SAY to San Francisco Airport?

### How do I find cheap flights from SAY to SFO that have flexible change policies?

### How far is the flight from SAY to San Francisco Airport?

### Which airlines fly direct from SAY to San Francisco Airport?

### Are SAY to SFO flight tickets cheaper when they're purchased at the last minute?

\*Available to Expedia members.