S$89 Cheap Flights from San Francisco to San Diego

View S$89 flight on Mon, 6 Oct, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$89 for one-way flights and S$176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 25 Sep - Thu, 2 Oct
SFO
San Francisco
SAN
San Diego
S$176 Return, found 20 hours ago
S$176
Return
found 20 hours ago
Select United flight, departing Thu, 25 Sep from San Francisco to San Diego, returning Thu, 2 Oct, priced at S$176 found 20 hours ago
United
Sat, 27 Sep - Mon, 29 Sep
SFO
San Francisco
SAN
San Diego
S$177 Return, found 12 hours ago
S$177
Return
found 12 hours ago
Select United flight, departing Sat, 27 Sep from San Francisco to San Diego, returning Mon, 29 Sep, priced at S$177 found 12 hours ago
American Airlines
Thu, 25 Sep - Mon, 29 Sep
SFO
San Francisco
SAN
San Diego
S$202 Return, found 2 days ago
S$202
Return
found 2 days ago
Select American Airlines flight, departing Thu, 25 Sep from San Francisco to San Diego, returning Mon, 29 Sep, priced at S$202 found 2 days ago
United
Thu, 9 Oct - Thu, 16 Oct
SFO
San Francisco
SAN
San Diego
S$203 Return, found 2 days ago
S$203
Return
found 2 days ago
Select United flight, departing Thu, 9 Oct from San Francisco to San Diego, returning Thu, 16 Oct, priced at S$203 found 2 days ago
United
Sat, 27 Sep - Mon, 29 Sep
SFO
San Francisco
SAN
San Diego
S$215 Return, found 12 hours ago
S$215
Return
found 12 hours ago
Select United flight, departing Sat, 27 Sep from San Francisco to San Diego, returning Mon, 29 Sep, priced at S$215 found 12 hours ago
United
Thu, 9 Oct - Thu, 16 Oct
SFO
San Francisco
SAN
San Diego
S$216 Return, found 2 days ago
S$216
Return
found 2 days ago
Select United flight, departing Thu, 9 Oct from San Francisco to San Diego, returning Thu, 16 Oct, priced at S$216 found 2 days ago
American Airlines
Sat, 27 Sep - Mon, 29 Sep
SFO
San Francisco
SAN
San Diego
S$225 Return, found 12 hours ago
S$225
Return
found 12 hours ago
Select American Airlines flight, departing Sat, 27 Sep from San Francisco to San Diego, returning Mon, 29 Sep, priced at S$225 found 12 hours ago
American Airlines
Thu, 25 Sep - Mon, 29 Sep
SFO
San Francisco
SAN
San Diego
S$227 Return, found 2 days ago
S$227
Return
found 2 days ago
Select American Airlines flight, departing Thu, 25 Sep from San Francisco to San Diego, returning Mon, 29 Sep, priced at S$227 found 2 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
SFO
San Francisco
SAN
San Diego
S$227 Return, found 12 hours ago
S$227
Return
found 12 hours ago
Select Delta flight, departing Sat, 27 Sep from San Francisco to San Diego, returning Mon, 29 Sep, priced at S$227 found 12 hours ago
Hawaiian Airlines
Wed, 13 May - Sun, 17 May
SFO
San Francisco
SAN
San Diego
S$1,576 Return, found 4 days ago
S$1,576
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, 13 May from San Francisco to San Diego, returning Sun, 17 May, priced at S$1,576 found 4 days ago

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

January is typically the cheapest month to fly

From S$62 - S$253 per traveller.

Graph displaying average flight prices per month

San Francisco to San Diego route information
Origin airport
San Francisco Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$176
Distance
714 km
Average flight time
1 hour 33 mins

Perfect flights from San Francisco to San Diego

Your Journey from San Francisco to San Diego

Start your unforgettable journey with Expedia. Our broad selection of flights from San Francisco to San Diego caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, American Airlines, Delta, Hawaiian Airlines. Our selection of flights from San Francisco Intl. to San Diego Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Francisco to San Diego Flights

Experience the joy of finding cheap flights from San Francisco Intl. to San Diego Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$89 and roundtrip prices from S$176*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Francisco to San Diego with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Diego

Picture yourself stepping off the plane in San Diego and immersing yourself in the unique atmosphere of San Diego. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Francisco to San Diego Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Francisco to San Diego.
 

Beyond the Flight – Exploring San Diego

With Expedia, your adventure extends beyond the flight. Explore San Diego at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Francisco to San Diego with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from San Francisco to San Diego with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from SFO to SAN?
Start packing your bags, because round-trip flights from SFO to SAN start from S$176. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to nab the best deal. 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 Airport to San Diego Airport?
The majority of flights can be cancelled online, but each air carrier has its own terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from San Francisco Intl. Airport (SFO) to San Diego Airport 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 San Diego Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Francisco Airport to San Diego Intl. Airport (SAN)?
The flight distance from San Francisco Intl. Airport (SFO) (SFO) to SAN (SAN) is just 720 kilometres. You'll be walking down the air bridge and collecting your baggage from the carousel in the blink of an eye.
Which airlines fly direct from SFO to San Diego Intl. Airport (SAN)?
Alaska Airlines (AS) is a popular choice. It operates 191 flights from San Francisco Airport to San Diego Airport each month. If you'd like more options, check out the fares from United Airlines (UA). This airlines operates 191 flights a month between these airports.
Are San Francisco Airport to SAN flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes find a bargain, with some of the cheapest airfares from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN) surfacing a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline releases prices that far in advance.

Explore a world of travel with Expedia

San Diego Airports

Carlsbad

San Francisco to McClellan-Palomar
S$311.00
San Francisco Airports

San Jose

Norman Y. Mineta San Jose Intl. to San Diego
S$226.80

Oakland

Oakland Intl. to San Diego
S$228.00
*Available to Expedia members.