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$858+ 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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Return from

$1,385

One-way from

$858

Popular in

December

Cheapest in

August

Average price

$1,758
20/7-31/7
  • 20/7-31/7
  • 3 total stops
  • 62h 25m total
  • Sydney to San Diego
Air Canada
  • Air Canada
  • 28/10
  • 1 total stop
  • 27h 05m total
  • Sydney to San Diego
Highest demand for flights based on searches. 14% potential increase in price ($480 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($88 potential savings vs. average return price).
Average for return flights in June 2025

Find flight deals to San Diego

Cheapest flights to San Diego
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 13 June 2025.

Sun 20/716:20SYD - SAN
2 stops34h 30mMultiple Airlines
Thu 31/717:45SAN - SYD
1 stop27h 55mMultiple Airlines
Deal found 12/6$1,385
Tue 29/709:25SYD - SAN
1 stop16h 53mDelta
Mon 8/906:20SAN - SYD
1 stop31h 15mDelta
Deal found 12/6$1,428
Sun 10/821:40SYD - SAN
1 stop26h 20mAlaska Airlines
Sun 17/818:58SAN - SYD
2 stops31h 47mAlaska Airlines
Deal found 10/6$1,437
Sun 10/821:40SYD - SAN
1 stop26h 20mHawaiian Airlines
Sun 17/817:45SAN - SYD
1 stop33h 00mHawaiian Airlines
Deal found 10/6$1,451
Sat 26/711:50SYD - SAN
2 stops28h 54mAir New Zealand
Sat 2/810:49SAN - SYD
2 stops28h 56mAir New Zealand
Deal found 11/6$1,526
Sat 26/709:20SYD - SAN
1 stop19h 37mAir Canada
Sat 2/817:00SAN - SYD
2 stops35h 40mAir Canada
Deal found 11/6$1,805
Tue 1/710:20SYD - SAN
2 stops27h 18mUnited Airlines
Wed 16/710:54SAN - SYD
2 stops27h 01mUnited Airlines
Deal found 12/6$2,226
Tue 1/717:45SYD - SAN
2 stops21h 03mAmerican Airlines
Wed 16/712:32SAN - SYD
2 stops25h 33mAmerican Airlines
Deal found 11/6$2,654

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 13 June 2025.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 20/7

16:20-09:50

2 stops34h 30m

San Diego

Thu 31/7

17:45-14:40

1 stop27h 55m

$1,385

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 29/7

09:25-09:18

1 stop16h 53m

San Diego

Mon 8/9

06:20-06:35

1 stop31h 15m

$1,428

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 10/8

21:40-07:00

1 stop26h 20m

San Diego

Sun 17/8

18:58-19:45

2 stops31h 47m

$1,437

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 10/8

21:40-07:00

1 stop26h 20m

San Diego

Sun 17/8

17:45-19:45

1 stop33h 00m

$1,451

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 26/7

11:50-23:44

2 stops28h 54m

San Diego

Sat 2/8

10:49-08:45

2 stops28h 56m

$1,526

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 26/7

09:20-11:57

1 stop19h 37m

San Diego

Sat 2/8

17:00-21:40

2 stops35h 40m

$1,805

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 1/7

10:20-20:38

2 stops27h 18m

San Diego

Wed 16/7

10:54-06:55

2 stops27h 01m

$2,226

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 1/7

17:45-21:48

2 stops21h 03m

San Diego

Wed 16/7

12:32-07:05

2 stops25h 33m

$2,654

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 28/10

10:20-19:25

1 stop27h 05m

$858

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 12/8

09:30-20:50

3 stops28h 20m

$995

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 9 June 2025.

The best time to book flights to San Diego is 32 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 10 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 cheapest airlines that fly to San Diego?

The cheapest airlines flying from Sydney to San Diego are Air New Zealand, Air Canada and Hawaiian Airlines.

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 13 June 2025.

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.
  • What airport do you fly into for flights to San Diego?

    Most people fly into San Diego (SAN) if they book a flight to San Diego. San Diego is conveniently located just 4.2 km from San Diego’s city centre.

  • Can I find cheaper flights to San Diego if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to San Diego on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to San Diego?

    Based on reviews from Cheapflights users, Air New Zealand is rated the highest out of the airlines that fly to San Diego.

  • What is the cheapest airport to fly to in San Diego?

    San Diego is currently the cheapest airport to fly to in San Diego. One-way flights to San Diego typically cost $120, while return flights cost around $693.

  • How much is a return flight to San Diego?

    A return flight to San Diego will typically cost around $585, however they can be found for as little as $452.

  • Where does the fastest flight to San Diego depart from?

    For those looking to save time traveling to San Diego, Sydney Kingsford Smith offers the quickest one-way flight (17 hours 10 minutes).

  • Does San Diego have car hire?

    Yes. Those touching down at San Diego can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to San Diego?

    Yes. San Diego has hotels nearby for those requiring accommodations. Sheraton San Diego Resort is the closest property to San Diego (0.0 km away from San Diego).

See more FAQs

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