San Diego (SAN) to Sydney (SYD) at a glance

Embark on an exciting journey from San Diego (SAN) to Sydney (SYD) with a range of airlines available for this long-haul international flight. You can easily compare options from full-service carriers to find an itinerary that aligns with your budget, schedule, and travel aspirations while discovering Sydney's iconic landmarks and vibrant neighborhoods. Here, you'll find essential details for flights from San Diego International Airport to Kingsford Smith International Airport.

• Fastest flight duration: around 16h 30m in-flight, plus roughly 1h 45m layover with one stop
• Route distance: roughly 7,500 miles (12,070 km)
• Flights per week: around 8 departures on average
• Typical fares (one-way): economy tickets often range from $455–$945, depending on seasonality and how far ahead you book

Flights from San Diego International Airport (SAN) to Kingsford Smith International Airport (SYD)

Based on the latest traveler bookings, here are the top airlines favored for journeys from San Diego to Sydney, especially for one-stop and multi-stop options. Common layover points include Los Angeles International Airport (LAX) with about a 1 hour 30 minute layover, San Francisco International Airport (SFO) with approximately a 2 hour 15 minute layover, and Vancouver International Airport (YVR) offering around a 2 hour layover. This variety allows you to customize your itinerary by balancing price, total travel time, and cabin class.

• United: This comprehensive airline provides a one-stop travel option, with one-way ticket prices generally falling between $455 and $910. It represents about 58% of flights along this route, featuring an in-flight duration of 16 hours and 30 minutes, and a total travel time of approximately 18 hours and 15 minutes, including layovers.
• Delta: Another full-service airline offering one-stop journeys, Delta's one-way fares typically range from $455 to $845. It covers about 29% of the departures on this route, with a flight time of 16 hours and 30 minutes, and a total journey duration of roughly 18 hours and 15 minutes, accounting for layovers.
• Air Canada: This full-service airline also provides one-stop service, with one-way fares usually between $490 and $775. Air Canada makes up around 5% of the departures on this route, with an in-flight time of 16 hours and 30 minutes and an overall travel time of about 18 hours and 15 minutes, including layover periods.
• Alaska Airlines: Offering one-stop service, Alaska Airlines features one-way fares typically ranging from $580 to $830. This carrier accounts for approximately 3% of flights on this route, with an in-flight duration of 16 hours and 30 minutes, resulting in a total journey time of about 18 hours and 15 minutes, factoring in layovers.
• Hawaiian Airlines: This full-service carrier provides one-stop service with one-way fares fixed at $1510. It represents only about 1% of the departures on this route, with an in-flight time of 16 hours and 30 minutes and a total travel duration of approximately 18 hours and 15 minutes, including layover time.

Best time to fly from San Diego (SAN) to Sydney (SYD)

The most popular months for travelers flying from San Diego to Sydney are January, February, and December, when peak temperatures in Sydney reach up to 73.4°F in January. If you prefer quieter travel, consider June, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 57.2°F. For better deals, July usually offers the lowest average one-way fare around $556. Flight availability peaks in February, April, October, and December, with approximately 9 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: July usually offers good deals with average one-way fare around $556, roughly 7% cheaper than the yearly average.
• More budget-friendly months to fly: August, June, and October typically offer average one-way fares of around $572.
• Most flight options: February, April, October, and December have the highest number of flights from San Diego to Sydney, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	73.4°F (23.0°C)	High	7	$640
February	72.7°F (22.6°C)	High	9	$578
March	70.9°F (21.6°C)	Average	8	$636
April	66.4°F (19.1°C)	Average	9	$575
May	61.2°F (16.2°C)	Average	8	$645
June	57.2°F (14.0°C)	Low	7	$570
July	55.9°F (13.3°C)	Average	8	$556
August	57.2°F (14.0°C)	Average	7	$570
September	61.2°F (16.2°C)	Average	8	$573
October	64.6°F (18.1°C)	Low	9	$573
November	67.6°F (19.8°C)	Low	7	$590
December	70.3°F (21.3°C)	High	9	$737

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from San Diego (SAN) to Sydney (SYD)

• San Diego to Shellharbour (SAN-WOL): Located approximately 48 miles from Kingsford Smith International Airport (SYD), Shellharbour Airport (WOL) offers convenient access.
• San Diego to Newcastle (SAN-NTL): Williamtown Airport (NTL) lies about 87 miles from Kingsford Smith International Airport (SYD), providing another viable option for travelers.

How to find the best prices for flights from San Diego (SAN) to Sydney (SYD)

Getting some of the best deals on flights from San Diego to Sydney is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, which aligns with when most travelers make their reservations. Evening departures, from 6 PM to 12 AM, tend to offer lower prices and are popular among travelers. Additionally, flying on Thursday typically results in cheaper rates, although Monday remains the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Kingsford Smith International Airport from San Diego International Airport

Sydney welcomes travelers from San Diego with a range of transport options based on price, convenience, and proximity. Here's how to reach Sydney efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Sydney, with private rides that can be arranged in advance.
• Car rental: Renting a car from Kingsford Smith International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Kingsford Smith International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Kingsford Smith International Airport, International Airport Station, a metro station, is just a short 0.1-mile walk away, while Sydney Arncliffe Station, a train station, is located about 1.2 miles away by car. For those traveling by sea, Sydney Seaport is approximately 6.7 miles from the airport and typically reached by car.