£44 Cheap Flights from San Francisco (SFO) to San Diego (SAN)

You can find cheap one-way flights from £44 and cheap return flights £75 SFO to SAN with Expedia. One-way flights typically cost between £62 and £361, and return flights often range between £154 and £627. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SFO to SAN ticket fares go up or down.

March is typically the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to San Diego, CA (SAN-San Diego Intl.), with average return fares around £117. March often sees lower prices as it falls outside of peak holiday travel periods, making it a great time to find deals. Other cheap months to fly from San Francisco, CA (SFO-San Francisco Intl.) to San Diego, CA (SAN-San Diego Intl.) include February and May.

Enter SFO to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Alaska Airlines is one of the cheapest airlines offering nonstop return flights from San Francisco, CA (SFO-San Francisco Intl.) to San Diego, CA (SAN-San Diego Intl.), with prices starting from around £107 for flights that can be booked for departure within the next year. Sun Country Airlines offers one of the cheapest connecting return flights on this route, with prices starting from around £257. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from San Francisco, CA (SFO) to San Diego, CA (SAN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from San Francisco, CA (SFO) to San Diego, CA (SAN). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

Direct flights from SFO to SAN usually take about 1 hour 50 minutes, traveling roughly 719 kilometers. If you opt for a connecting flight, expect to add around 4 hours 10 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for San Francisco, CA (SFO) to San Diego, CA (SAN) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a San Francisco, CA (SFO) to San Diego, CA (SAN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from San Francisco, CA (SFO) to San Diego, CA (SAN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a San Francisco, CA (SFO) to San Diego, CA (SAN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your San Francisco, CA (SFO) to San Diego, CA (SAN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.