Cheap Flights from St. Petersburg (SPG) to San Francisco (SFO)

Popular airlines from St. Petersburg, FL (SPG-Albert Whitted) to San Francisco Intl. Airport (SFO)

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Flights from St. Petersburg (SPG) to San Francisco (SFO)
Origin airport
Albert Whitted
Destination airport
San Francisco Intl.
Distance
2390 mi

St. Petersburg to San Francisco Flights

The cheapest times to fly from St. Petersburg to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Petersburg to San Francisco are during the month of . You can find some of the cheapest flights from St. Petersburg to San Francisco with Expedia's search tool and vast selection of airlines.

The best time to book a flight from St. Petersburg to San Francisco

Sunday is one of the best days to book for cheap flights from St. Petersburg to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from St. Petersburg to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Petersburg to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Petersburg to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Petersburg to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from SPG to San Francisco Airport last minute?
Being spontaneous is a terrific way to see the world, but it’s not always the best method to track down a cheap plane ticket. It’s better to book your SPG to San Francisco Airport trip ahead of time instead of leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you get to your destination!
What airports do you fly into for San Francisco from St. Petersburg - Clearwater?
San Francisco Intl. Airport (SFO), Oakland Intl. Airport (OAK) and Norman Y. Mineta San Jose Intl. Airport (SJC) are your options when connecting from St. Petersburg - Clearwater to San Francisco. About 12 mi south of the heart of San Francisco, San Francisco Intl. Airport (SFO) is the city’s major gateway. Keep in mind factors such as flight schedules and the distance to your hotel before you select an airport. Pier 39 and Golden Gate Bridge are two excellent attractions to put on your to-do list when you arrive at your destination.
Can I change the date of my flight from SPG to San Francisco Airport?
You can make changes to your SPG to San Francisco Airport journey by logging in to the Expedia Trips portal. But before you make any amendments, look over the rules in your itinerary to see what the carrier will allow you to do and if fees apply for changes. Some airlines have a change fee per person, plus any difference in fare prices. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also head to our Customer Service portal to find the answers to your questions and to connect with our Virtual Agent.

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