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Cheap flights from San Diego to Sydney from $688

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
26 Feb — 5 Mar1
1 adult

The best prices from San Diego to Sydney Kingsford Smith are usually found in February or March, booked 58 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from San Diego to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

$1,297

One-way from

$688

Popular in

December

Cheapest in

February

Average price

$1,659
Air Canada
  • Air Canada
  • 15/5-13/6
  • 2 total stops
  • 61h 34m total
  • San Diego to Sydney
17/4
  • 17/4
  • 1 total stop
  • 26h 33m total
  • San Diego to Sydney
Highest demand for flights based on searches. 14% potential increase in price ($506 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($102 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from San Diego to Sydney

Cheapest flights from San Diego to Sydney
Explore the most affordable flight options available from San Diego to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Thu 15/506:15SAN - SYD
1 stop32h 05mAir Canada
Fri 13/609:20SYD - SAN
1 stop29h 29mAir Canada
Deal found 20/2$1,297
Thu 3/419:07SAN - SYD
1 stop26h 33mMultiple Airlines
Thu 10/416:20SYD - SAN
2 stops31h 10mMultiple Airlines
Deal found 20/2$1,336
Wed 27/813:22SAN - SYD
2 stops24h 43mAmerican Airlines
Wed 3/909:10SYD - SAN
2 stops22h 40mAmerican Airlines
Deal found 20/2$1,395
Sun 9/319:24SAN - SYD
1 stop19h 51mUnited Airlines
Sun 23/312:10SYD - SAN
1 stop18h 09mUnited Airlines
Deal found 20/2$1,416
Sat 15/310:55SAN - SYD
1 stop26h 50mDelta
Tue 1/410:25SYD - SAN
1 stop17h 50mDelta
Deal found 20/2$1,515
Wed 27/810:45SAN - SYD
2 stops30h 50mAir New Zealand
Tue 2/918:20SYD - SAN
2 stops40h 33mAir New Zealand
Deal found 21/2$1,527
Thu 19/617:45SAN - SYD
1 stop33h 00mAlaska Airlines
Sun 13/721:40SYD - SAN
2 stops30h 24mAlaska Airlines
Deal found 20/2$2,073

Find flights from San Diego to Sydney within your budget

Customise your flight search to find flights from San Diego to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 February 2025.

Fly from

San Diego

Fly to

Sydney

Route

Depart

Return

Price

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 15/5

06:15-07:20

1 stop32h 05m

Sydney Kingsford Smith

Fri 13/6

09:20-21:49

1 stop29h 29m

$1,297

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 3/4

19:07-15:40

1 stop26h 33m

Sydney Kingsford Smith

Thu 10/4

16:20-06:30

2 stops31h 10m

$1,336

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 7/5

13:00-07:05

2 stops25h 05m

Sydney Kingsford Smith

Mon 12/5

09:10-15:58

2 stops23h 48m

$1,398

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/3

17:25-09:15

1 stop20h 50m

Sydney Kingsford Smith

Mon 24/3

12:10-20:23

1 stop26h 13m

$1,416

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 15/3

10:55-07:45

1 stop26h 50m

Sydney Kingsford Smith

Tue 1/4

10:25-10:15

1 stop17h 50m

$1,515

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 18/6

11:15-08:45

2 stops28h 30m

Sydney Kingsford Smith

Mon 14/7

11:30-18:21

2 stops23h 51m

$1,555

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 19/6

17:45-19:45

1 stop33h 00m

Sydney Kingsford Smith

Sun 13/7

21:40-11:04

2 stops30h 24m

$2,073

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 24/3

18:55-07:15

2 stops42h 20m

Sydney Kingsford Smith

Sun 30/3

22:20-21:38

2 stops41h 18m

$2,490

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 20/3

06:15-08:20

2 stops32h 05m

Sydney Kingsford Smith

Tue 1/4

10:30-23:59

2 stops31h 29m

$2,891

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 25/3

10:23-06:10

1 stop25h 47m

Sydney Kingsford Smith

Thu 27/3

21:25-21:19

1 stop17h 54m

$4,067

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 21 results
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2
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Best time to book a flight from San Diego to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from 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.

Travel insights for flights from San Diego to Sydney

Get recent, data-driven insights about flights from San Diego to Sydney including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Diego to Sydney?

Use this chart to determine the optimal time to book a return flight from San Diego to Sydney. Price data was last updated on 14 February 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego to Sydney?

Currently, May is the cheapest month in which you can book a flight from San Diego to Sydney (average of $129). Flying from San Diego to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January 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 July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 21 February 2025.

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

8.0
Very Good

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from San Diego to Sydney round-trip?

    Cheapflights users have booked flights from San Diego to Sydney round-trip from $1,297. Other airlines that can offer you cheap pricing are American Airlines, from $1,398, and United Airlines, from $1,416. You may be able to fly from San Diego to Sydney for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Diego to Sydney one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $782. United Airlines flights start at $795 while deals on Delta start at $829 one-way.

  • Can I find deals for flights from San Diego to Sydney that include hotel bookings?

    Yes. In addition to deals on San Diego to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Sydney.

  • Can I find deals for business class flights from San Diego to Sydney?

    Yes. Cheapflights offers flight deals from San Diego to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Sydney?

    Currently, May is the cheapest month in which you can book a flight from San Diego to Sydney (average of $129). Flying from San Diego to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Randwick
Manly
Penrith
Coogee
Cronulla
Terrigal
Bondi Beach
Lithgow
Leura
Swansea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from San Diego to Sydney

Discover the top airline that operate flights from San Diego to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,410Average$1,777FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from San Diego to Sydney?

Cheapflights makes it easy to find San Diego to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Diego to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Diego to Sydney with no change fees?

Certainly. Search results for flights to Sydney from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Diego to Sydney become cheaper?

Of course! You can now track prices for flights from San Diego to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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