SanFrancisco to Adelaide Flights from HKD 550 incl. tax

Based on HopeGoo data, Cathay Pacific offers one-way fares as low as US$650 on Cheapest nonstop routes (e.g. SFO to ADL on Wed, Mar 25), while United Airlines offers Cheapest nonstop round-trips from US$1,083 departing on Mon, Mar 16 and returning on Mon, Mar 23.

It takes about 15 hours 55 minutes to fly from San Francisco to Adelaide.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from San Francisco to Adelaide 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.

To find best deals on flights from San Francisco to Adelaide, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Mar 25, with one-way flights priced at just US$650. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Adelaide travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from San Francisco to Adelaide is September, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from San Francisco to Adelaide on February 28, 2026 with United Airlines, with prices starting at US$1,192.

The time difference between Adelaide and San Francisco is 17h.

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 HopeGoo, 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.