Flights from San Francisco to San Diego

Our cheapest offers for flights from San Francisco to San Diego

Here you can compare cheap flights from San Francisco (SFO) to San Diego (SAN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Diego. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
San Francisco
San Diego
Outbound
10/25/25
direct
F94306
01h 42min
Return
11/06/25
direct
F93381
01h 52min
Frontier Airlines
$67
San Francisco
San Diego
Outbound
10/25/25
direct
F94306
01h 42min
Return
11/06/25
direct
F93381
01h 52min
Frontier Airlines
$68
San Francisco
San Diego
Outbound
10/25/25
direct
F94306
01h 42min
Return
11/06/25
direct
F93381
01h 52min
Frontier Airlines
$69
San Francisco
San Diego
Outbound
10/25/25
direct
F94306
01h 42min
Return
11/06/25
direct
HA6264
01h 53min
Frontier Airlines ?
$70
San Francisco
San Diego
Outbound
11/05/25
direct
HA7014
01h 40min
Return
11/14/25
direct
F93381
01h 52min
Hawaiian Airlines
$70
San Francisco
San Diego
Outbound
11/05/25
direct
AS1308
01h 40min
Return
11/14/25
direct
F93381
01h 52min
Alaska Airlines ?
$72
San Francisco
San Diego
Outbound
10/25/25
direct
F94306
01h 42min
Return
11/06/25
direct
F93381
01h 52min
Frontier Airlines ?
$73
San Francisco
San Diego
Outbound
11/05/25
direct
AS1308
01h 40min
Return
11/14/25
direct
F93381
01h 52min
Alaska Airlines ?
$75
San Francisco
San Diego
Outbound
10/25/25
direct
F94306
01h 42min
Return
11/06/25
direct
F93381
01h 52min
Frontier Airlines ?
$77
San Francisco
San Diego
Outbound
11/05/25
direct
UA2861
01h 38min
Return
11/14/25
direct
F93381
01h 52min
United Airlines ?
$87
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from San Francisco to San Diego

Favorite airline: United Airlines
78 % of travelers choose to book flights on this route with United Airlines, Alaska Airlines and Frontier Airlines.
United Airlines
32 %
Alaska Airlines
27 %
Frontier Airlines
19 %
Cheapest weekday: Monday
The cheapest flights on this route are operated on Monday.
Direct flights are more expensive
Compared to flights with a stopover, direct flights are $58.00 more expensive on this route.
non stop flight
1 stop
01h 36min
19h 55min
$159
$101
The favorite connection is non-stop
50 % of all bookings on the route San Francisco to San Diego are for non-stop flights.
Route
bookings
Direct flights
01h 36min, from $159
50 %
1 stopover Los Angeles International Airport, CA
03h 55min, from $230
21 %
1 stopover Las Vegas - McCarran International Airport, NV
19h 55min, from $101
18 %

Important flight information

Flight information: San Francisco - San Diego

Roundtrip from $67.00
Flight duration min. 01:26 / max. 03:15
Return flight duration min. 01:32/ max. 03:25
Distance 720 km
Flights per week 181
Departure airport Airport San Francisco International Airport, CA (SFO)
Arrival airport Airport San Diego - Lindberg Field International, CA (SAN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to San Diego
Flight destinations with a similar price
Flight destinations with a similar price