$745+ Cheap flights to San Diego
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to San Diego in 2025
Find the latest flights to San Diego in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 30 April 2025.
Find flight deals to San Diego
Cheapest flights to San DiegoExplore the most affordable flight options available to San Diego. Find the lowest fares based on data from user searches, with prices last updated on 30 April 2025.
Explore the most affordable flight options available to San Diego. Find the lowest fares based on data from user searches, with prices last updated on 30 April 2025.
Cheapflights Fare Finder
Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 30 April 2025.
Use the filters below to find and compare flights to San Diego that are best for you.
Fly from
Route
Depart
Return
Price
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Thu 12/6
16:20-07:00
1 stop31h 40m
San Diego
Thu 19/6
12:30-14:40
1 stop33h 10m
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Mon 9/6
09:55-22:45
2 stops29h 50m
San Diego
Sun 15/6
08:00-10:35
2 stops33h 35m
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Mon 16/6
09:30-19:47
1 stop27h 17m
San Diego
Sun 20/7
20:44-07:00
1 stop17h 16m
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Tue 17/6
09:25-22:53
1 stop30h 28m
San Diego
Fri 27/6
16:02-06:35
1 stop21h 33m
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Mon 16/6
16:20-07:33
2 stops32h 13m
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Sun 22/6
09:30-18:25
2 stops25h 55m
Best time to book a flight to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to San Diego
When is the best time to book a flight to San Diego?
Use this chart to determine the optimal time to book a return flight from Sydney to San Diego. Price data was last updated on 25 April 2025.
The best time to book flights to San Diego is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
How long is the flight to San Diego?
On average, a flight from Sydney to San Diego takes 17 hours 54 minutes. Flights to San Diego from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.
When is the cheapest time to fly to San Diego?
Use this chart to determine the cheapest time to fly return from Sydney to San Diego. Price data was last updated on 16 December 2024.
Users looking for the lowest fares to San Diego should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday evenings, when prices are usually at their highest.
What are the most popular airlines that fly to San Diego?
The most popular airlines flying from Sydney to San Diego are United Airlines, Air Canada and Virgin Australia.
What are the cheapest airlines that fly to San Diego?
The cheapest airlines flying from Sydney to San Diego are Air New Zealand, Air Canada and Qantas Airways.
Rainfall in San Diego by month
Plan your trip to San Diego by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 mm per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.
Temperature in San Diego by month
Plan your trip to San Diego by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 30 April 2025.
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
FAQs about flying to San Diego
San Diego climate
The average daily temperature in San Diego is 21 degrees Celsius. During the summer months (June through September) and into October, temperatures of 29 degrees are not unusual. The city averages a mere 25 cm of rain and even during the coldest months of December and January, temperatures still average a mild 20 C.
Getting around San Diego
Like much of Southern California, the easiest way to get around San Diego is by car. You can find several rental car companies at the airport. Bus tickets are cheap and the trolley system is a great way to get around the city or to nearby Tijuana. The Blue Line can take you through Old Town before crossing the border into Mexico. Tickets cost a few dollars and last around two hours.
Getting from the airport to the city
The main airport for travellers on flights to San Diego is San Diego International Airport (SAN). Public transportation options from the airport include buses, light rail and trains. Car rental and taxis are also available.
What is good to know if travelling to San Diego?- The Hotel del Coronado on Coronado Island is the largest wooden structure in the United States.
- The zoo is home to a family of giant pandas, and when Hua Mei was born here, she was the first baby panda born in the Western Hemisphere since 1990.
- Each July, Mission Bay is home to a San Diego original, the Over-the-Line Tournament. This beach softball event dates from 1953 and is renowned for boisterous, anything-goes behaviour.
- And for the holidays, kids of all ages gather in the lobby of Loews Coronado Bay Resort, where the Cat in the Hat gives regular readings of How the Grinch Stole Christmas. Theodor Geisel (Dr. Seuss) is one of San Diego’s most treasured native sons.
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Users can book flights with no change fees policies with our dedicated filters. Book flights to San Diego flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights to San Diego become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to San Diego today and book when you’re ready!