Cheap Flights from San Francisco (SFO) to San Diego (SAN) from HK$540~

View HK$540 flight on Thu, 16 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$540 for one-way flights and HK$1,068 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, 13 Oct - Thu, 16 Oct
SFO
San Francisco
SAN
San Diego
HK$1,068 Return, found 5 days ago
HK$1,068
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 13 Oct from San Francisco to San Diego, returning Thu, 16 Oct, priced at HK$1,068 found 5 days ago
United
Sat, 11 Oct - Thu, 16 Oct
SFO
San Francisco
SAN
San Diego
HK$1,229 Return, found 5 days ago
HK$1,229
Return
found 5 days ago
Select United flight, departing Sat, 11 Oct from San Francisco to San Diego, returning Thu, 16 Oct, priced at HK$1,229 found 5 days ago
United
Thu, 16 Oct - Thu, 23 Oct
SFO
San Francisco
SAN
San Diego
HK$1,230 Return, found 7 hours ago
HK$1,230
Return
found 7 hours ago
Select United flight, departing Thu, 16 Oct from San Francisco to San Diego, returning Thu, 23 Oct, priced at HK$1,230 found 7 hours ago
United
Thu, 16 Oct - Thu, 23 Oct
SFO
San Francisco
SAN
San Diego
HK$1,231 Return, found 7 hours ago
HK$1,231
Return
found 7 hours ago
Select United flight, departing Thu, 16 Oct from San Francisco to San Diego, returning Thu, 23 Oct, priced at HK$1,231 found 7 hours ago
United
Sat, 8 Nov - Sat, 15 Nov
SFO
San Francisco
SAN
San Diego
HK$1,294 Return, found 1 day ago
HK$1,294
Return
found 1 day ago
Select United flight, departing Sat, 8 Nov from San Francisco to San Diego, returning Sat, 15 Nov, priced at HK$1,294 found 1 day ago
United
Thu, 16 Oct - Thu, 23 Oct
SFO
San Francisco
SAN
San Diego
HK$1,305 Return, found 7 hours ago
HK$1,305
Return
found 7 hours ago
Select United flight, departing Thu, 16 Oct from San Francisco to San Diego, returning Thu, 23 Oct, priced at HK$1,305 found 7 hours ago
United
Sat, 8 Nov - Sat, 15 Nov
SFO
San Francisco
SAN
San Diego
HK$1,370 Return, found 1 day ago
HK$1,370
Return
found 1 day ago
Select United flight, departing Sat, 8 Nov from San Francisco to San Diego, returning Sat, 15 Nov, priced at HK$1,370 found 1 day ago
Delta
Fri, 14 Nov - Wed, 19 Nov
SFO
San Francisco
SAN
San Diego
HK$1,381 Return, found 7 hours ago
HK$1,381
Return
found 7 hours ago
Select Delta flight, departing Fri, 14 Nov from San Francisco to San Diego, returning Wed, 19 Nov, priced at HK$1,381 found 7 hours ago
American Airlines
Thu, 16 Oct - Thu, 23 Oct
SFO
San Francisco
SAN
San Diego
HK$1,391 Return, found 7 hours ago
HK$1,391
Return
found 7 hours ago
Select American Airlines flight, departing Thu, 16 Oct from San Francisco to San Diego, returning Thu, 23 Oct, priced at HK$1,391 found 7 hours ago
United
Thu, 16 Oct - Thu, 23 Oct
SFO
San Francisco
SAN
San Diego
HK$1,392 Return, found 7 hours ago
HK$1,392
Return
found 7 hours ago
Select United flight, departing Thu, 16 Oct from San Francisco to San Diego, returning Thu, 23 Oct, priced at HK$1,392 found 7 hours ago

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

January is typically the cheapest month to fly

From HK$373 - HK$1,531 per traveller.

Alternative airports near San Diego

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

Select flight to McClellan-Palomar CLD. Average driving time to city centre is 38 minutes. Flights from HK$5,004
CLD
McClellan-Palomar
Average driving time to city centre38 min
Flights from HK$5,004

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 HK$1,068. 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 canceled 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 kilometers. 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.

Travel information

Travel information

Origin airport
San Francisco Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Return price
HK$1,024
Distance
714 km
Average flight time
1 hour 36 mins

Book with confidence

Book with confidence

Flights from San Francisco to San Diego

Book cheap flights from San Francisco (SFO) to San Diego (SAN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Francisco (SFO) to San Diego (SAN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to San Diego (SAN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your San Diego flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in San Diego and things to do in San Diego for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to San Diego more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Diego is HK$540 now!

 

Flights from San Francisco to San Diego

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