$831+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Flights to San Diego in 2026

Enter your travel dates to find the best prices.

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 9 April 2026.

Thu 23/420:45
SYD
-
SAN
1 stop17h 27m
Alaska Airlines
Sun 26/417:10
SAN
-
SYD
1 stop32h 40m
Alaska Airlines
Deal found 8/4$1,639
Thu 7/509:20
SYD
-
SAN
1 stop28h 35m
Air Canada
Mon 11/516:55
SAN
-
SYD
1 stop21h 25m
Air Canada
Deal found 7/4$1,654
Wed 20/510:20
SYD
-
SAN
1 stop18h 34m
United Airlines
Wed 27/519:41
SAN
-
SYD
1 stop18h 14m
United Airlines
Deal found 5/4$1,656
Wed 20/509:15
SYD
-
SAN
1 stop25h 48m
Delta
Wed 27/518:45
SAN
-
SYD
1 stop19h 05m
Delta
Deal found 5/4$1,660
Thu 23/409:30
SYD
-
SAN
1 stop17h 50m
United Airlines
Wed 6/519:40
SAN
-
SYD
1 stop18h 15m
United Airlines
Deal found 5/4$1,671
Fri 22/509:20
SYD
-
SAN
1 stop23h 55m
Air Canada
Fri 29/516:55
SAN
-
SYD
1 stop21h 25m
Air Canada
Deal found 7/4$1,695
Sat 23/509:20
SYD
-
SAN
1 stop19h 30m
Air Canada
Sat 30/512:30
SAN
-
SYD
1 stop25h 50m
Air Canada
Deal found 7/4$1,722
Fri 1/510:20
SYD
-
SAN
2 stops24h 04m
United Airlines
Sun 10/516:26
SAN
-
SYD
2 stops21h 34m
United Airlines
Deal found 5/4$1,728
Thu 23/420:45
SYD
-
SAN
2 stops27h 30m
Multiple Airlines
Sun 26/414:18
SAN
-
SYD
1 stop35h 32m
Multiple Airlines
Deal found 8/4$1,748

Find flight deals to San Diego

Find the latest flights to San Diego in 2026, 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 9 April 2026.

Return from

$1,639

One-way from

$831

Popular in

December

Cheapest in

September

Average price

$1,568
Alaska Airlines
  • Alaska Airlines
  • 23/4-26/4
  • 2 total stops
  • 50h 07m total
  • Sydney to San Diego
10/6
  • 10/6
  • 3 total stops
  • 40h 44m total
  • Sydney to San Diego
Highest demand for flights based on searches. 6% potential increase in price ($106 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($28 potential savings vs. average return price).
Average for return flights in April 2026

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 9 April 2026.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 20/5

09:15-12:17

2 stops20h 02m

San Diego

Wed 27/5

17:01-06:50

2 stops20h 49m

$1,660

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 19/5

09:15-23:15

1 stop31h 00m

San Diego

Tue 26/5

06:15-06:50

2 stops31h 35m

$1,660
Fastest return journey

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 23/4

09:30-10:20

1 stop17h 50m

San Diego

Sat 2/5

18:26-06:55

1 stop19h 29m

$1,728

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 1/5

10:20-17:24

2 stops24h 04m

San Diego

Sun 10/5

16:26-07:00

2 stops21h 34m

$1,728

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 21/5

09:15-23:15

1 stop31h 00m

San Diego

Thu 28/5

10:59-06:50

1 stop26h 51m

$1,728

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 24/5

09:15-15:56

2 stops23h 41m

San Diego

Sun 31/5

06:15-06:50

2 stops31h 35m

$1,766

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 19/5

20:45-06:58

2 stops27h 13m

San Diego

Tue 26/5

18:30-18:50

2 stops31h 20m

$1,830

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 7/5

09:20-20:55

1 stop28h 35m

San Diego

Mon 11/5

16:55-07:20

1 stop21h 25m

$1,880

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 25/6

20:45-08:25

2 stops28h 40m

San Diego

Sun 26/7

17:15-18:50

2 stops32h 35m

$1,906
Cheapest one-way

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 20/5

10:20-11:54

1 stop18h 34m

$1,018

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 3 April 2026.

The best time to book flights to San Diego is 40 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.

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 9 April 2026.
Read reviews from past customers who have flown Air New Zealand,Alaska Airlines, andVirgin Australia to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.4

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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, Hawaiian Airlines is rated the highest out of the airlines that fly to San Diego.

  • 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 27 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

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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!

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