Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from San Francisco to San Diego
Today’s flight suggestion for San Francisco - San Diego
Outbound December 12, 2026 · Inbound December 14, 2026
Today’s suggestion
4:33 PM
SFO 6:16 PM
SAN1h 43m
Direct
7:51 PM
SAN 9:46 PM
SFO1h 55m
Direct
From $45
2:12 PM
SFO 3:49 PM
SAN1h 37m
Direct
7:51 PM
SAN 9:46 PM
SFO1h 55m
Direct
From $76
5:25 PM
SFO 7:01 PM
SAN1h 36m
Direct
7:51 PM
SAN 9:46 PM
SFO1h 55m
Direct
From $76
Cheapest flight tickets
$41
Average price of a round trip
$78
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
1h43
A flight from San Francisco to San Diego takes on average 1h43.
Best time
April
According to user searches, the ideal month to go to San Diego is April.
What is the cheapest month for this flight?
Monthly price data (Table View)
November
Nov
$108
December
Dec
$79
January
Jan
February
Feb
$0
March
Mar
$0
April
Apr
$0
May
May
$125
June
Jun
$93
July
Jul
$39
August
Aug
$0
September
Sep
$112
October
Oct
$228
* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.
Tips for finding a cheap flight from San Francisco to San Diego
Check out our tips for booking your flight to San Diego (USA) from San Francisco (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is July, with an average flight ticket price of $39 (calculation over the last two years). The most touristic season corresponds to the months of October, December and November.
For the cheapest flights, it is advisable to buy your ticket at least 60 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to San Diego costs on average $73.
The airlines that offer the most flights are Alaska Airlines, Frontier Airlines and United Airlines.
Price of flight tickets from San Francisco to San Diego
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $41 to $360
- The average price of a flight ticket is about $78
- Prices are lowest for stays in the month of July
- The month in which booking a ticket is cheaper is: December
info departure city :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
San Francisco is a city in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {fromLocalTime}, the temperature is on average 15°C, with a minimum of 13°C and a maximum of 17°C.
The city of San Francisco has 1 airport(s): San Francisco
destination info :
San Diego, USA
airports :
Lindbergh Field (SAN)
Montgomery Field (MYF)
NAS (NZY)
local time :
San Diego is in the country USA, the time zone is [[timezone]]. In San Diego, it is currently {toLocalTime}, the temperature is on average 20°C, with a minimum of 18°C and a maximum of 22°C.
The city of San Diego has 3 airport(s): Lindbergh Field, Montgomery Field and NAS
Useful info about San Diego
What is the least touristic period to go to San Diego?
If you want to visit San Diego during the least touristic period, choose the month of April.
What is the most popular time to travel to San Diego?
In San Diego, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from San Francisco to San Diego?
According to our data, it is recommended to book your flight 60 days before your departure. If you book your flight ticket 9 weeks before your departure, you may find a price below average. The cheapest day to book a flight from San Francisco to San Diego is Sunday.
What are the arrival and destination airports when traveling between San Francisco and San Diego?
When you leave, you can leave from San Francisco, and you will arrive at Lindbergh Field.
How to reach San Francisco airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from San Francisco to San Diego?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between San Francisco and San Diego?
In summer, the average temperature is 21°C in San Diego and 17°C in San Francisco. The average rainfall in summer is 4 mm in San Diego and 2 mm in San Francisco. In summer, it is warmer in San Diego and it rains less in San Francisco. In winter, it is colder in San Diego and it rains more in San Francisco.
