Cheap Flights from Sydney to San Diego from US$701

Frequently Asked Questions

• What are the cheapest flights from Sydney to San Diego (SYD-SAN)?

  Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$701 on Cheapest nonstop routes (e.g. SYD to SAN on Wed, Oct 21), while Air Canada offers Cheapest nonstop round-trips from US$710 departing on Tue, Oct 20 and returning on Mon, Oct 26.

• Which airlines offer direct flights from Sydney to San Diego?

  At the moment, you can catch a nonstop flight from Sydney to San Diego with the following airlines, including: Virgin Australia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Sydney to San Diego?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sydney to San Diego is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Sydney to San Diego?

  To find best deals on flights from Sydney to San Diego, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Oct 21, with one-way flights priced at just US$701.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Diego travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Sydney (SYD) to San Diego (SAN) the cheapest?

  The cheapest months to fly from Sydney to San Diego is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Sydney to San Diego on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Sydney to San Diego on September 16, 2026 with Delta Air Lines, with prices starting at US$671.

• Which airports fly into San Diego from Sydney?

  You can land at any one of the following hubs in San Diego: McClellan-Palomar Airport (CLD), Marine Corps Air Station Miramar (NKX), and San Diego International Airport (SAN). Flying from Kingsford Smith Airport to San Diego International Airport (SYD-SAN) is by far the most common option on this route.

• Is there any time difference between Sydney and San Diego?

  The time difference between San Diego and Sydney is 18h.

• How do I change or cancel my ticket from Sydney to San Diego?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Sydney to San Diego?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sydney to San Diego is US$935. Fares vary by travel date, airline and availability.

• How do I book flights from Sydney to San Diego on Trip.com?

  Enter Sydney and San Diego, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.