£50 Cheap Flights from San Diego (SAN) to San Francisco (SFO)

View £50 flight on Sat, 6 Jun 2026Opens in a new window

Flight 1

Popular airlines from San Diego Intl. Airport (SAN) to San Francisco International Airport (SFO)

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

Prices were available within the past 7 days and start at £50 for one-way flights and £86 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 20 May - Wed, 27 May
SAN
San Diego
SFO
San Francisco
£86 Return, found 5 days ago
£86
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Diego to San Francisco, returning Wed, 27 May, priced at £86 found 5 days ago
Alaska Airlines
Wed, 3 Jun - Tue, 16 Jun
SAN
San Diego
SFO
San Francisco
£94 Return, found 4 days ago
£94
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 3 Jun from San Diego to San Francisco, returning Tue, 16 Jun, priced at £94 found 4 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAN
San Diego
SFO
San Francisco
£102 Return, found 5 days ago
£102
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Diego to San Francisco, returning Wed, 27 May, priced at £102 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAN
San Diego
SFO
San Francisco
£113 Return, found 5 days ago
£113
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Diego to San Francisco, returning Wed, 27 May, priced at £113 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAN
San Diego
SFO
San Francisco
£115 Return, found 5 days ago
£115
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Diego to San Francisco, returning Wed, 27 May, priced at £115 found 5 days ago
Delta
Tue, 26 May - Tue, 9 Jun
SAN
San Diego
SFO
San Francisco
£116 Return, found 4 days ago
£116
Return
found 4 days ago
Select Delta flight, departing Tue, 26 May from San Diego to San Francisco, returning Tue, 9 Jun, priced at £116 found 4 days ago
Alaska Airlines
Sat, 6 Jun - Sun, 7 Jun
SAN
San Diego
SFO
San Francisco
£120 Return, found 2 days ago
£120
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 6 Jun from San Diego to San Francisco, returning Sun, 7 Jun, priced at £120 found 2 days ago
United
Sun, 14 Jun - Tue, 23 Jun
SAN
San Diego
SFO
San Francisco
£180 Return, found 4 days ago
£180
Return
found 4 days ago
Select United flight, departing Sun, 14 Jun from San Diego to San Francisco, returning Tue, 23 Jun, priced at £180 found 4 days ago
American Airlines
Wed, 13 May - Wed, 20 May
SAN
San Diego
SFO
San Francisco
£212 Return, found 9 hours ago
£212
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 13 May from San Diego to San Francisco, returning Wed, 20 May, priced at £212 found 9 hours ago
JetBlue Airways
Sat, 6 Jun - Mon, 8 Jun
SAN
San Diego
SFO
San Francisco
£477 Return, just found
£477
Return
just found
Select JetBlue Airways flight, departing Sat, 6 Jun from San Diego to San Francisco, returning Mon, 8 Jun, priced at £477 just found

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city centre is 19 minutes. Flights from £146
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city centre19 min
Flights from £146

Find the cheapest month to fly from San Diego (SAN) to San Francisco (SFO)

May is typically the cheapest month to fly

From £42 - £108 per traveller.

Frequently asked questions

How much does a flight from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) cost?
One-way flights typically cost between £74 and £413 and return flights often range between £223 and £587. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
March is typically the cheapest month to fly from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.), with average return fares of approximately £114. This is about 12% lower than the average price throughout the year. March often sees lower prices as it's outside of peak holiday travel periods. Other cheap months to fly from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) include April and May.
Which airlines fly direct from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
Enter SAN to SFO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
To find a cheap flight from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.), 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.
What is the best airline to fly with from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
The best airline to fly with from San Diego, CA (SAN-San Diego Intl.) (SAN) to San Francisco, CA (SFO-San Francisco Intl.) (SFO) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. WN offers the most daily flights from San Diego, CA (SAN-San Diego Intl.) (SAN) to San Francisco, CA (SFO-San Francisco Intl.) (SFO), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
Based on booking data from the past year, the cheapest months to fly from San Diego, CA (SAN-San Diego Intl.) (SAN) to San Francisco, CA (SFO-San Francisco Intl.) (SFO) are typically March and May, with average return flights around £114. While these months offer great value, the most popular times to travel are April and December, meaning you'll find plenty of flight options then. If you're looking for the best balance of price and availability, consider flying in March or May for a good deal, or in April for more choices.
How many flights per day from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
There are approximately 17 nonstop flights per day from San Diego Intl. (SAN) to San Francisco Intl. (SFO). For even more choice, look at flights that include layovers, as you'll find around 105 connecting flights per day. Some common connection points include McCarran Intl. (LAS), Sky Harbor Intl. (PHX), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
The earliest flight from San Diego International Airport (SAN) to San Francisco International Airport (SFO) typically departs at approximately 12:55 AM local time, operated by American Airlines. This is a seasonal service active in June. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
If you're flying from San Diego Intl. (SAN) to San Francisco Intl. (SFO), you'll typically find the most flights on a Friday, with around 87 flights available. This gives you plenty of options to choose from. Flight schedules are fairly consistent throughout the week, with Friday having about 10% more flights than other days. Major airlines on this route include Southwest Airlines, Alaska Airlines, and United Airlines.
What are the most popular departure times for flights from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
The most popular departure times for flights from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) are in the early morning, from 6am to 9am. About 25% of passengers prefer this time. Many major carriers, including United Airlines, Southwest Airlines and Alaska Airlines, offer flights during this window. This timing works well because you can get an early start to your day in San Francisco.
How long does it take to fly from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
Direct flights from SAN to SFO usually take about 1 hour 50 minutes, traveling roughly 447 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
Select the "Business class" and "First class" filters when looking for SAN to SFO flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) flight with Expedia?
It's easy to earn miles on a San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) 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.
What airports do you fly into for San Francisco from San Diego Intl. (SAN)?
If you're planning to travel to San Francisco from San Diego Intl. (SAN), you can fly directly into San Francisco Intl. (SFO) Some flights may connect through major hubs like McCarran Intl. (LAS), Sky Harbor Intl. (PHX), Norman Y. Mineta San Jose Intl. (SJC) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) at the last minute?
Typically, booking a last minute flight from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) 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.
Is it cheaper to book a San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) flight and hotel package?
Securing a San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) 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.
Can I cancel or change the date of my flight from San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
If you booked your San Diego, CA (SAN-San Diego Intl.) to San Francisco, CA (SFO-San Francisco Intl.) 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.

Travel information

Origin airport
San Diego Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Return price
£86
Distance
714 km
Average flight time
1 hour 41 mins

Book with confidence

Compare flights from San Diego to San Francisco easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Diego to San Francisco. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Francisco Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Diego Intl. to San Francisco 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 Diego Intl. (SAN) to San Francisco Intl. (SFO)

The easiest way to view the best deals on flights from San Diego to San Francisco 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 Diego Intl. to San Francisco Intl. start at just £86 and range up to £477.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Diego and San Francisco
  • booking your flight during May, 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 Diego to San Francisco flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Diego Intl. to San Francisco 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.  

Compare flights from San Diego to San Francisco easily and book with confidence

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*Available to Expedia members.